CN101124029A - 窄孔径分布的钛酸铝体及其制备方法 - Google Patents

窄孔径分布的钛酸铝体及其制备方法 Download PDF

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CN101124029A
CN101124029A CNA2005800257467A CN200580025746A CN101124029A CN 101124029 A CN101124029 A CN 101124029A CN A2005800257467 A CNA2005800257467 A CN A2005800257467A CN 200580025746 A CN200580025746 A CN 200580025746A CN 101124029 A CN101124029 A CN 101124029A
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ceramic body
less
porosity
mps
source
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CN101124029B (zh
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G·A·默克尔
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Corning Inc
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Abstract

本发明涉及具有窄孔径分布的钛酸铝体，窄孔径分布用(d50－d10)/d50比值小于0.50表征，对应于高互连孔隙率。该材料体还优选具有小于15×10－7C－1的低热膨胀系数，至少38体积％的高孔隙率，以及至少0.10重量％的金属氧化物，其中金属为选自钇、钙、铋、镧系金属或它们的组合。MOR优选至少为450psi。中值孔径优选至少为8微米。本发明陶瓷体特别适合用作柴油机废气排放系统中使用的壁流过滤器。提供了一种制造方法，其中烧结温度优选在1375－1550℃之间。

Description

窄孔径分布的钛酸铝体及其制备方法
发明领域
本发明涉及具有可用于高温应用的改进性质的钛酸铝陶瓷体，及其制备方法。
发明背景
长期以来多孔耐火陶瓷一直用作热气体或腐蚀环境，如先进的煤基燃气涡轮循环、市政废物和工业废物的焚烧炉、柴油或天然气发动机的排放系统中的颗粒过滤器。对于这些应用，陶瓷颗粒过滤器必须具有化学惰性、抗热冲击性、高过滤效率、低压降和足够的强度。特别是，柴油机的颗粒过滤器(DPF)理想地结合了低CTE(有利于抗热冲击性)、低压降(有利于发动机效率)、高过滤效率(有利于从排放的物流中除去大多数微粒)、高强度(以经受加工、制罐和使用中的振动)以及低成本。
用于DPF的候选材料包括：堇青石、碳化硅和钛酸铝基陶瓷。堇青石由于其低成本、低CTE和优良的强度而吸引了人们的注意。然而，堇青石相对低的体积热容量(800K时约2.8Jcm-3℃-1)和低热导率可能在特定条件下再生过滤器时在操作过程中导致不能接受的高温。此外，要获得具有良好互连孔微结构并具有对高热质所需低孔隙率的堇青石过滤器一直是本领域面临的挑战。
碳化硅过滤器的一个优点是具有可获得低压降的优良互连孔隙率。较高体积热容量(在800K约为3.6Jcm-3℃-1)和高热导率，再加上很高的熔点，使碳化硅具有耐热性。但是，碳化硅相对昂贵。此外，高热膨胀系数要求将碳化硅过滤器制造成用胶结剂粘结的段体，这增加了制造成本并引起人们对这种段体的长期热-机械耐受性的关注。
钛酸铝(AT)基陶瓷，特别是富铝红柱石-钛酸铝(MAT)陶瓷低CTE提供了很高的体积热容量(对完全致密的MAT，在800K约为3.9-4.0Jcm-3℃-1)和低CTE。此外，AT和MAT陶瓷具有优良的化学耐受性和高熔点。
然而，在制造AT和MAT体时，烧结温度常需要高于1600℃，使颗粒充分生长，形成微裂纹和低热膨胀。这种高加热温度增加了制造成本和最终产品的成本。为降低烧结温度，一些方法采用添加化学组分的措施。但是，这类方法导致物理性质，包括CTE、孔隙率或孔径对焙烧温度高度敏感，而这是制造过程所不希望的。而且，预期不能获得用于DPF所需的性质。
因此，需要提供能在较低烧结温度下制备的、具有能用于高温过滤应用的性质的AT体。此外，需要一种在不影响CTE、孔隙率和强度的情况下具有窄孔径分布的AT体。
发明概述
本发明的AT陶瓷体具有窄孔径分布，提供了较大的孔隙互连性。特别是，陶瓷体包含：1.陶瓷体，该陶瓷体包含钛酸铝相，由(d50-d10)/d50比值小于0.50表征的窄孔径分布，陶瓷体的热膨胀系数(RT-1000℃)小于15×10-7C-1，孔隙率至少为38体积％，以及包含至少0.10重量％选自以下金属的金属氧化物：铋、钙、钇、镧系元素以及它们的组合。最优选的是，(d50-d10)/d50的值更优选小于0.35；在某些实施方式中，小于0.25，甚至小于0.23或者更小。最优选的是，(d50-d10)/d50的值小于0.50但大于0.18。
此外，本发明AT陶瓷体还优选具有低热膨胀性和良好的抗热冲击性，其特征是，热膨胀系数(RT-1000℃)小于15×10-7C-1，更优选小于10×10-7C-1。此外，AT陶瓷体还优选具有高孔隙率，至少为38体积％，更优选为45-60体积％。本发明的AT体还能达到优良强度，采用圆柱棒上四点法，测定断裂模量(MOR)至少为450psi；更优选至少500psi；在某些实施方式中，至少600psi或者至少700psi。还优选，AT陶瓷体的中值孔径大于8微米；更优选为10-20微米。
AT陶瓷体宜在较低烧结温度，优选1375℃-1550℃的温度，使用添加了金属氧化物烧结添加剂的原料批料制备。金属氧化物的添加量优选至少0.10重量％，在某些应用中为0.10-5.0重量％。与所述金属氧化物相关的金属优选自以下：钇、铋、钙、镧系金属以及它们的组合。
在一个实施方式中，本发明的AT陶瓷体具有的热膨胀系数(RT-1000℃)小于15×10-7C-1，孔隙率小于38体积％，中值孔径至少8微米，以及用(d50-d10)/d50比值不大于0.50表征的窄孔径分布，这样的窄孔径分布对应于高的互连孔隙率。
本发明的材料体尤其能用于高温应用，包括用于柴油机废气过滤的壁流过滤器。在这种实施方式中，过滤器是堵塞的壁流蜂窝体，具有许多端部被堵塞的从前进口端穿行至出口末端的平行孔道。柴油机废气颗粒过滤器优选由本发明的AT陶瓷组成，并且其热膨胀系数或CTE(RT-1000℃)不大于10×10-7C-1，孔隙率为45-60体积％，中值孔径为10-20微米，以及由(d50-d10)/d50比值小于0.35(对应于高的互连孔隙率)表征的窄孔径分布。某些示例性实施方式用(d50-d10)/d50)比值小于0.3，或者小于0.25，在某些实施方式中甚至小于或等于0.23表征的孔径分布。
附图简述
图1是本发明实施例16焙烧后表面的扫描电子显微照片，示出辐射状晶体的独特区域型微结构；
图2是比较例C5焙烧后表面的扫描电子显微照片，显示缺乏任何辐射状晶体组；
图3所示是在1400℃焙烧时，孔隙率％、中值孔径和平均CTE(RT-1000℃)随原料中Y2O3添加量的变化；
图4所示是在1500℃焙烧时，孔隙率％、中值孔径和平均CTE(RT-1000℃)随原料中Y2O3添加量的变化；
图5是本发明实施例60抛光后的截面的扫描电子显微照片，示出本发明材料高的互连孔隙率；
图6示出压降与市场可购得的堇青石DPF、碳化硅DPF和含本发明实施例72的陶瓷的DPF的烟炱(soot)负载量之间的关系图，这些DPF各自具有大约相同的单位体积的热容量；
图7示出实施例89至93的孔隙率％、中值孔径(微米)和CTE(RT-1000℃，10-7℃-1)的值对各实施例的焙烧温度的关系图。
优选实施方式的详细说明
本发明的陶瓷体主要由钛酸铝相组成，还优选包含富铝红柱石相。此外，该陶瓷体还包含至少0.10重量％的一种或多种金属氧化物，所述金属氧化物的金属选自：铋、钙、钇、镧系元素以及它们的组合。对某些应用，金属氧化物宜限于0.10-5.0重量％。
已经观察到，添加一种或多种上面列举的金属氧化物能降低焙烧后材料体的热膨胀系数并提高中值孔径，而不会明显减小孔隙量。当用作排气过滤器时，低CTE为高抗热冲击性所需，而较大中值孔径能导致压降降低。
此外，金属氧化物烧结添加剂能使用较低的烧结温度。而且，本发明的材料体的物理性质随采用的焙烧温度的波动不大，可以使用常规的窑炉，而无需复杂和昂贵的温度控制。此外，由于使用的金属氧化物烧结添加剂的物理性质不易发生波动，使本发明的AT体可以在比采用的烧结温度更高的温度下使用，可持续5-10小时或者更长的时间。
在制造本发明的陶瓷体时，首先提供原料混合物。无机粉料可选自以下来源：(a)氧化铝，如金刚砂、γ-氧化铝或另一种过渡的氧化铝、勃姆石、氢氧化铝(水铝矿)以及它们的混合物，(b)硅铝酸盐，如富铝红柱石、蓝晶石、硅线石、高岭土、煅烧的高岭土、叶蜡石以及它们的混合物，(c)二氧化硅，如石英、方石英、沸石、硅藻土、硅有机金属化合物、熔凝硅石、胶态硅石、其它无定形硅石以及它们的组合，(d)二氧化钛，如金红石、锐钛矿、无定形二氧化钛以及它们的混合物。任选地，可以使用预反应的钛酸铝作为原料，但并不是必需的。
重要的是，在粉料的原料混合物中无机粉料组分的颗粒或聚集体的重均中值粒径(以D50表示)优选至少为6微米。D50值按照D50＝∑[(wi)(d50，i)]/∑(wi)计算，其中，wi表示不包括金属氧化物烧结添加剂的各无机粉料的重量百分数，d50，i是同一无机粉料的颗粒或聚集体的中值粒径。颗粒或聚集体的粒径采用激光衍射方法进行测定。小于6微米的重均粒径产生孔径小于8微米的成品AT陶瓷，这与本发明所需要的性质相反。
氧化铝来源优选中值粒径大于15微米的氧化铝。当二氧化钛来源的粒径大于5微米时，材料体的孔隙率如所期望那样提高，而不必使用大量的成孔剂。氧化铝来源和二氧化钛来源的颗粒或聚集体的中值粒径优选至少为10微米。
原料混合物优选还包括金属氧化物的烧结添加剂。适合于本发明目的的金属氧化物包括但不限于：氧化铋，碳酸钙，氢氧化钙，铝酸钙，钛酸钙，硅酸钙，钇或稀土的氧化物、氢氧化物、碳酸盐、氟化物-碳酸盐、铝酸盐、硅酸盐、钛酸盐、氯化物、硝酸盐、乙酸盐或其它可溶或不可溶的盐，或混合的稀土浓缩物，如氟碳铈镧矿、煅烧的氟碳铈镧矿，或独居石。金属氧化物烧结添加剂的中值粒径优选小于5微米，或者为可水溶态。在能反应并至少形成钛酸铝相的其它无机原料中超量添加(super-addition)的金属氧化物添加剂的量优选至少为0.10重量％，或优选0.10-5.0重量％。超量添加指在100克无机原料混合物中加入例如0.10-5克的金属氧化物。
任选地，在原料混合物中加入至少0.05重量％氧化钼或氧化钨。在原料混合物中加入氧化钼或氧化钨源可以提高陶瓷焙烧后的孔隙率，因此减少了原料混合物中所需的成孔剂的量。
任选地，可以加入成孔剂来调整成品陶瓷体的孔隙率。原料混合物可包含最多20X克成孔剂/100克无机原料，其中X是成孔剂颗粒的密度，单位为克/厘米3。成孔剂可以是在加热坯体时能发生燃烧或蒸发以在样品焙烧后留下孔的任何颗粒材料。
成孔剂的例子包括但不限于：石墨、无定形碳、纤维素、木粉、坚果壳粉、淀粉、合成聚合物如聚乙烯、聚苯乙烯和聚丙烯酸酯。成孔剂颗粒或聚集体的中值粒径优选为10-100微米。越小的粒径产生不希望的更小的孔径，并在该材料体用作过滤器件时产生高压降。较大粒径产生大孔，降低材料体的强度，如果该材料体用作过滤器可能会降低过滤效率。
原料和成孔剂与有机和/或无机粘合剂、润滑剂和增塑剂以及水性溶剂或非水性溶剂进一步混合，形成塑性混合物，该混合物可以通过常规方法，如模塑或通过模头挤出成形，例如形成蜂窝体结构。然后，形成的坯体优选在空气中进行干燥和焙烧，焙烧时的峰值温度范围约为1375-1550℃，并且在焙烧温度下保持约1-15小时，然后冷却至室温。
本发明的AT陶瓷因其微裂纹结构而具有低热膨胀系数(CTE)、良好的耐热性、高强度和高互连孔隙率。估计AT体中富铝红柱石含量较好为2-60重量％，在某些实施方式中为15-40重量％。
在一个实施方式中，本发明的陶瓷体具有以下特性：热膨胀系数(RT-1000℃)小于15×10-7C-1，孔隙率至少为38体积％，中值孔径至少为8微米，由(d50-d10)/d50比值不大于0.5表征的窄孔径分布，它对应于高度互连的孔隙率。d10和d50定义为：以按水银孔隙测定法测定的体积计，累积孔径分布为10％和50％时的孔径，其中d10＜d50。因此，d50是中值孔径，d10是基于体积的10％的孔为细小孔的孔径。
窄孔径分布对应于AT体中较大的互连性，在AT体用作柴油机颗粒过滤器时，在烟炱负载条件下导致压降较低。采用圆柱棒上四点法测定的断裂模量(MOR)显示，AT陶瓷的材料强度至少为500psi。
在另一个实施方式中，本发明的AT陶瓷用于制造过滤柴油机废气用的过滤器，特别是用作壁流过滤器。壁流过滤器包含被堵塞的蜂窝体，蜂窝体中有许多从前进口端到出口端穿过该蜂窝体的末端堵塞的平行孔道。这种结构为本领域皆知。在进口端的所述孔室总量中的一部分沿其长度的一部分被堵塞，其余在进口端敞开的孔室在出口沿其长度的一部分被堵塞。这种堵塞结构可以使发动机废气从进口端流经蜂窝体的孔至出口端，流入敞开的孔，通过孔壁，流经出口端敞开的孔从该结构流出。适合柴油机颗粒过滤器的孔密度为70孔/英寸2(10.9孔/厘米2)至400孔/英寸2(62孔/厘米2)。
在另一个实施方式中，包含本发明材料的DPF优选具有以下特征性质：热膨胀系数(RT-1000℃)不大于10×10-7C-1，孔隙率为45-60体积％，中值孔径为10-20微米，以及对应于较高互连孔隙率的以(d50-d10)/d50比值不大于0.50表征的窄孔径分布。
实施例
由下面的非限制性实施例进一步说明本发明。本发明的样品和比较样品按照下面的方法制备：混合无机原料、金属氧化物添加剂和成孔剂与4-6重量％甲基纤维素粘合剂、0.15重量％三乙醇胺、1％妥尔油和14-18重量％水。该混合物在不锈钢研磨机中塑化，挤出直径为5/16英寸的棒和直径为1-英寸、2-英寸或5.7-英寸的蜂窝体。干燥各部分样品，然后在燃气窑炉或电窑炉内于1400-1500℃焙烧并且保持4-10小时。
焙烧后，样品的多孔性可由水银孔隙率、通过膨胀法测定的CTE以及在直径为5/16英寸的棒上四点法获得的断裂模量(MOR)表征。报道的MOR值以磅/英寸2(psi)为单位。某些样品还进行粉碎，并由粉末x-射线衍射仪来确定其晶体相。孔径(d10、d50和d90)的单位为微米。d10和d50已在前面定义。d90值是按体积的90％的孔为细小孔的孔径，因此，d10＜d50＜d90。热膨胀系数的单位为10-7℃-1。
按照下面的方法制造选择的直径为2-英寸和5.7-英寸，长6-英寸的部分为过滤器，即用冷凝固胶结剂，在一个面上交替堵塞孔道的末端，然后堵塞相对面上的相连孔道。环境温度下，测定以26.25标准英尺3/分钟(scfm)空气流速在直径为2英寸的过滤器上，以210scfm空气流速在直径为5.7英寸的过滤器上，穿过该过滤器长度的压降。然后，在过滤器上累积装载人造高比表面积碳炱，载量约为0.5-4.5克/升，测定在同样流速下对不同烟炱装载量的压降。5克/升烟炱装载量的压降报道值是较低烟炱装载量的数据通过线性外延计算出来的。
本发明实施例和比较例中所用原料的中值颗粒径列于表1。这些实施例和比较例的原料和性质列于表2至表23。对各组合物中钛酸铝(Al2TiO5)和富铝红柱石(3Al2O3-2SiO2)的标称百分数(nominal percent)为重量百分数。所有原料也是按照重量份计。
以字母“C”为前缀的实施例表示用作比较的(非本发明)实施例。根据粉末XRD测定的相的量表示为大量(M)，少量(m)，很少量(vm)，痕量(tr)，很小或非常小的痕量(s.tr.和v.s.tr)或不存在(0)。表2至表19和表23中的实施例的材料在电炉中进行焙烧；表20至表22中的那些材料使用了燃气炉或者电炉，如表中所示。在表2至表23中，“MPS”表示以微米为单位的中值粒径(直径)。无机原料的MPS等价于D50，并且也以微米为单位。在表2至表23的实施例中，所有无机原料的MPS包括来自氧化铝、氢氧化铝、二氧化钛、高岭土和石英的作用。
表2中的比较例C1和C2显示，在没有选自本发明化合物的金属氧化物添加剂存在下，在1400℃或1500℃焙烧的钛酸铝+富铝红柱石的陶瓷体的CTE大于15。比较例C3和C4表明，尽管添加2.78％Y2O3后降低CTE至小于15，但是当无机原料的重均中值粒径值小于6微米时，中值孔径小于8微米，这是不希望的。
表3显示，即使无机原料的重均中值粒径值大于6微米，在没有选自本发明的化合物的金属氧化物添加剂存在时，钛酸铝+富铝红柱石陶瓷的CTE仍大于15，中值孔径小于8微米，而与该组合物是否在1400℃或1500℃进行焙烧无关。此外，在没有本发明烧结添加剂存在下，这些较粗原料在1400℃进行焙烧时存在相对较大量的未反应的氧化铝和二氧化钛。
与此不同，表4中的本发明实施例证明，当无机原料的重均中值粒径大于6微米且原料混合物含有Y2O3时，钛酸铝陶瓷的CTE小于7，在该原料混合物中添加至少1.0重量％Y2O3时，中值孔径大于8微米。
实施例2和3还表明：通过在原料中添加至少1.0重量％MoO3，能令人满意地提高陶瓷体的孔隙率％。图1示出本发明实施例16的微结构由辐射状钛酸铝晶体的“区域”组成。这种区域提供了独特的结构，这种结构可能会影响本发明陶瓷的微裂纹的特性。这种微结构与图2中的比较例C5的结构形成对比，图2示出在没有本发明的金属氧化物添加剂存在下缺乏这样的区域。
表5中的实施例表明，本发明的组合物在1500℃焙烧仍能产生低CTE和大于8微米的中值孔径，同时仍能保留所需的高孔隙率。因此，本发明的烧结添加剂不会随温度升高而导致陶瓷体过度致密，因此有益于制造过程，不需要将焙烧温度严格控制在很小的范围内。
表6和表7提供了对80％钛酸铝/20％富铝红柱石组合物和70％钛酸铝/30％富铝红柱石组合物，基于Y2O3和/或MoO3的本发明另一些实施例，某些包含高岭土作为二氧化硅和氧化铝的来源，只在1400℃进行烧结。表8和表9显示，当这些组合物在1500℃进行焙烧时仍能保持本发明的性质。
表10和表11表征了MAT陶瓷的物理性质与原料混合物中Y2O3添加量的相关性，结果示于图3和图4。表10示出，当无机原料的重均中值粒径为9.3微米时的80％钛酸铝/20％富铝红柱石组合物在1400℃进行焙烧时，需要大于0.5％的Y2O3，以保持中值孔径至少为8微米和CTE小于15。表11显示，当这些组合物在1500℃进行焙烧时，Y2O3的量必须小于5％以保持至少38％的孔隙率，并大于0.1％以保持中值孔径大于8微米。应理解，如果容量的重均中值粒径大于9.3微米，则在1500℃焙烧的组合物可以使用更少量的Y2O3。图3和4示出，对这种原料组合特别优选Y2O3的量为1-3％，原因是在此范围的金属氧化物添加剂能使孔隙率、孔径和CTE相对稳定。
表12和13显示，除了氧化钇外，镧系金属的氧化物以及它们的组合也能有效获得本发明具有可用CTE、孔隙率和孔径的陶瓷体。实施例48和57证明，镧系氧化物可以以主要包含镧、铈、镨和镝的氧化物的煅烧矿物形式提供。
表14和15表明，氧化钙源(在表中是碳酸钙)也能用作烧结添加剂，能有效促进低CTE和较粗孔径，而不会降低孔隙率。然而，锶、铟和锡的氧化物来源并不构成本发明的添加剂，原因是这些氧化物源会导致高CTE或低强度。
表16和17证明，单独的钼、硼、铌、钨、锌和锆的氧化物不是有效的烧结添加剂。但是，氧化铋可用作有用的烧结添加剂，条件是焙烧温度高于1400℃，且原料的中值孔径大于6微米。
在比较例C29中，中值孔径小于8微米，原因是无机原料的D50小于6微米。但是，应理解，使用较粗的原料，添加氧化铋制备的AT陶瓷的中值孔径增大到大于8微米，同时仍保持CTE(RT-1000℃)小于15×10-7℃-1和孔隙率大于38％。
表18显示，通过增大氧化铝源的中值粒径，即使在二氧化钛源粒径保持很小时仍能增大中值孔径并保持窄孔径分布。图5示出本发明实施例66的良好的互连孔隙率。
表19中的实施例显示，可以同时改变二氧化钛和氧化铝源的粒径，而同时保持本发明的性质。较粗二氧化钛对提高焙烧后材料体的孔隙率尤其有用，而不需要较大量的其它成孔剂。
实施例72还显示，由本发明材料体制备的过滤器作为柴油机颗粒过滤器时，显示很低的清洁压降和烟炱负载压降。图6示出在室温和210标准英尺3/分钟的流速下测定的完全压降与烟炱负载量的关系图，并比较了在相同测试条件下具有相同尺寸和大约相同的体积热容量的堇青石和碳化硅过滤器的压降曲线。
三种过滤器的尺寸都是直径约5.66英寸，长6英寸，在室温和210标准英尺3/分钟的流速下测定各过滤器的压降。堇青石实施例的孔密度为190孔/英寸2且孔壁为0.017英寸。碳化硅实施例的孔密度为320孔/英寸2且孔壁为0.010英寸。本发明的实施例的孔密度为311孔/英寸2且孔壁为0.011英寸。该图表明，本发明的过滤器显示优良的低压降性质。
表20至表22的实施例表明，当焙烧温度从1415升高到1475℃时，本发明材料的CTE、孔隙率和中值孔径对焙烧温度没有明显变化，而且无论材料体是在电窑炉还是在燃气窑炉内焙烧，都能获得本发明的性质。本发明实施例89-93的性质与焙烧温度的关系示于图7。
表23显示，在空气中于200-1100℃经过300个周期后，本发明材料体的长度、CTE和MOR发生变化。热循环后较小的差异表明本发明实施例具有优良的尺寸稳定性和物理稳定性。
虽然参照有限的实施方式描述了本发明，但是，本领域的技术人员通过本文揭示的内容会理解，在不偏离在此揭示的本发明范围下可以设计出其它的实施方式。因此，本发明的范围只由权利要求书限定。
表1
  原料   中值粒径(微米)
  氧化铝A   6.8
  氧化铝B   9.0
  氧化铝C   9.0
  氧化铝D   23.8
  氧化铝E   41.8
  氢氧化铝A   11.5
  氢氧化铝B   13.2
  氢氧化铝C   21.0
  二氧化钛A   0.50
  二氧化钛B   13.7
  二氧化钛C   22.7
  高岭土A   9.9
  石英A   3.7
  石英B   23.4
  石英C   25.4
  石墨A   35.0
  石墨B   49.0
表2
  实施例编号   C1   C2   C3   C4
  ％Al2TiO5   80   80   80   80
  ％富铝红柱石   20   20   20   20
重量百分数
  Y2O3   -   -   2.78   2.78
  氧化铝A   53.52   53.52   53.52   53.52
  二氧化钛A   34.56   34.56   34.56   34.56
  高岭土A   11.92   11.92   11.92   11.92
  石墨A   25.00   25.00   25.00   25.00
  MPS氧化铝源   6.8   6.8   6.8   6.8
  MPS二氧化钛源   0.50   0.50   0.50   0.50
  MPS石英   -   -   -   -
  MPS无机原料   5.0   5.0   5.0   5.0
焙烧和性质
  焙烧温度(℃)   1400   1500   1400   1500
  保持时间(小时)   4   4   4   4
  CTE(RT-1000℃)   44.8   28.1   12.3   5.7
  ％孔隙率   48.8   51.4   47.9   38.9
  d50   3.9   3.8   5.8   7.4
  d10   -   -   -   -
  d90   -   -   -   -
  (d50-d10)/d50   -   -   -   -
  (d90-d10)/d50   -   -   -   -
  MOR棒(psi)   2335   1490   1141   1073
  Al2TiO5   M   M   M   M
  富铝红柱石   m   m   m   m
  Al2O3   m   0   tr   tr
  TiO2   m   0   0   0
表3
  实施例编号   C5   C6   C7   C8   C9   C10
  ％Al2TiO5   80   90   95   80   90   95
  ％富铝红柱石   20   10   5   20   10   5
重量百分数
  MoO3   -   -   -   -   -   -
  Y2O3   -   -   -   -   -   -
  氧化铝C   41.48   39.94   39.18   41.48   39.94   39.18
  氢氧化铝B   20.00   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   33.27   37.43   39.51   33.27   37.43   39.51
  石英A   5.25   2.62   1.31   5.25   2.62   1.31
  石墨A   25.00   25.00   25.00   25.00   25.00   25.00
  MPS氧化铝源   10.4   10.4   10.4   10.4   10.4   10.4
  MPS二氧化钛源   0.50   0.50   0.50   0.50   0.50   0.50
  MPS石英   3.7   3.7   3.7   3.7   3.7   3.7
  MPS无机原料   6.7   6.5   6.4   6.7   6.5   6.4
焙烧和性质
  焙烧温度(℃)   1400   1400   1400   1500   1500   1500
  保持时间(小时)   4   4   4   4   4   4
  CTE(RT-1000℃)   50.1   44.3   36.8   33.5   28.2   22.7
  ％孔隙率   49.8   50.4   49.9   52.6   55.4   54.6
  d50   4.4   4.4   4.6   6.7   6.2   6.3
  d10   2.2   2.1   2.1   3.4   3.1   3.2
  d90   9.0   8.7   8.4   14.5   20.6   13.2
  (d50-d10)/d50   0.50   0.51   0.53   0.50   0.51   0.50
  (d90-d10)/d50   1.55   1.50   1.36   1.66   2.83   1.60
  MOR棒(psi)   2084   1264   1145   2209   1623   1523
  Al2TiO5   M   M   M   M   M   M
  富铝红柱石   m   tr   0   m   tr   0
  Al2O3   M   M   M   tr   m   m
  TiO2   M   M   M   tr   m   m
表4
  实施例编号   1   2   3   4   5
  ％Al2TiO5   80   80   80   90   95
  ％富铝红柱石   20   20   20   10   5
重量百分数
  MoO3   -   2.61   1.30   -   -
  Y2O3   2.78   1.39   2.78   2.73   1.35
  氧化铝C   41.48   41.48   41.48   39.94   39.18
  氢氧化铝B   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   33.27   33.27   33.27   37.43   39.51
  石英A   5.25   5.25   5.25   2.62   1.31
  石墨A   25.00   25.00   25.00   25.00   25.00
  MPS氧化铝源   10.4   10.4   10.4   10.4   10.4
  MPS二氧化钛源   0.50   0.50   0.50   0.50   0.50
  MPS石英   3.7   3.7   3.7   3.7   3.7
  MPS无机原料   6.7   6.7   6.7   6.5   6.4
焙烧和性质
  焙烧温度(℃)   1400   1400   1400   1400   1400
  保持时间(小时)   4   4   4   4   4
  CTE(RT-1000℃)   6.8   4.1   3.2   -0.8   -5.1
  ％孔隙率   51.8   53.7   54.5   45.9   46.4
  d50   9.2   8.5   9.7   8.5   8.3
  d10   5.8   5.3   6.4   6.1   5.7
  d90   17.6   17.9   20.4   30.2   15.1
  (d50-d10)/d50   0.37   0.37   0.34   0.28   0.31
  (d90-d10)/d50   1.28   1.48   1.44   2.83   1.13
  MOR棒(psi)   602   793   586   946   897
  Al2TiO5   M   M   M   M   M
  富铝红柱石   m   m   m   0   0
  Al2O3   tr   tr   vm   tr   m
  TiO2   vm   tr   vm   tr   tr
表5
  实施例编号   6   7   8   9   10   11   12
  ％Al2TiO5   80   80   80   80   90   90   95
  ％富铝红柱石   20   20   20   20   10   10   5
重量百分数
  MoO3   2.61   2.61   1.30   -   -   -   -
  Y2O3   1.39   2.78   2.78   2.78   1.36   2.73   1.35
  氧化铝C   41.48   41.48   41.48   41.48   39.94   39.94   39.18
  氢氧化铝B   20.00   20.00   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   33.27   33.27   33.27   33.27   37.43   37.43   39.51
  石英A   5.25   5.25   5.25   5.25   2.62   2.62   1.31
  石墨A   25.00   25.00   25.00   25.00   25.00   25.00   25.00
  MPS氧化铝源   10.4   10.4   10.4   10.4   10.4   10.4   10.4
  MPS二氧化钛源   0.50   0.50   0.50   0.50   0.50   0.50   0.50
  MPS石英   3.7   3.7   3.7   3.7   3.7   3.7   3.7
  MPS所有无机原料   6.7   6.7   6.7   6.7   6.5   6.5   6.4
焙烧和性质
  焙烧温度(℃)   1500   1500   1500   1500   1500   1500   1500
  保持时间(小时)   4   4   4   4   4   4   4
  CTE(RT-1000℃)   -3.6   -5.9   -2.8   0.8   -4.9   -7.6   -12.5
  ％孔隙率   52.5   50.9   51.8   48.2   47.7   44.9   44.4
  d50   9.8   10.8   11.5   10.4   9.9   10.6   10.5
  d10   6.8   8.3   8.8   8.3   7.0   8.4   8.1
  d90   14.9   15.4   56.4   16.5   17.8   44.0   17.7
  (d50-d10)/d50   0.31   0.23   0.23   0.20   0.29   0.21   0.23
  (d90-d10)/d50   0.83   0.65   4.14   0.78   1.09   3.36   0.91
  MOR棒(psi)   1040   1018   842   736   1063   1195   954
  Al2TiO5   M   M   M   M   M   M   M
  富铝红柱石   m   m   m   m   tr   tr   0
  Al2O3   m   m   m   tr   tr   m   tr
  TiO2   0   0   tr   tr   tr   tr   vs.tr
表6
  实施例编号   13   14   15   16   17
  ％Al2TiO5   80   80   80   80   80
  ％富铝红柱石   20   20   20   20   20
重量百分数
  MoO3   2.00   2.00   -   2.00   -
  Y2O3   2.00   2.00   2.00   2.00   2.00
  氧化铝C   41.48   41.48   41.48   36.18   36.18
  氢氧化铝C   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   33.27   33.27   33.27   32.73   32.73
  高岭土A   -   -   -   11.09   11.09
  石英B   5.25   5.25   5.25   -   -
  石墨A   25.00   -   -   -   -
  石墨B   -   25.00   25.00   25.00   25.00
  MPS氧化铝源   12.9   12.9   12.9   13.3   13.3
  MPS二氧化钛源   0.50   0.50   0.50   0.50   0.50
  MPS石英   23.4   23.4   23.4   -   -
  MPS所有无机原料   9.3   9.3   9.3   8.7   8.7
焙烧和性质
  焙烧温度(℃)   1400   1400   1400   1400   1400
  保持时间(小时)   4   4   4   4   4
  CTE(RT-1000℃)   6.6   0.5   8.3   1.7   4.8
  ％孔隙率   49.2   52.1   49.5   53.4   51.2
  d50   10.1   11.1   10.5   8.6   8.6
  d10   6.3   6.7   6.0   4.9   4.6
  d90   14.2   13.1   23.4   17.7   19.7
  (d50-d10)/d50   0.37   0.40   0.42   0.43   0.46
  (d90-d10)/d50   0.79   0.58   1.65   1.48   1.76
  MOR棒(psi)   710   721   793   604   768
  Al2TiO5   M   M   M   M   M
  富铝红柱石   m   m   m   m   m
  Al2O3   tr   tr   tr   tr   tr
  TiO2   tr   tr   tr   tr   tr
表7
  实施例编号   18   19   20   21   22
  ％Al2TiO5   70   70   70   70   70
  ％富铝红柱石   30   30   30   30   30
重量百分数
  MoO3   2.00   2.00   -   2.00   -
  Y2O3   2.00   2.00   2.00   2.00   2.00
  氧化铝C   43.01   43.01   43.01   35.10   35.10
  氢氧化铝C   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   29.12   29.12   29.12   28.40   28.40
  高岭土A   -   -   -   16.50   16.50
  石英B   7.87   7.87   7.87   -   -
  石墨A   25.00   -   -   -   -
  石墨B   -   25.00   25.00   25.00   25.00
  MPS氧化铝源   12.8   12.8   12.8   13.4   13.4
  MPS二氧化钛源   0.50   0.50   0.50   0.50   0.50
  MPS石英   23.4   23.4   23.4   -   -
  MPS所有无机原料   10.1   10.1   10.1   9.1   9.1
焙烧和性质
  焙烧温度(℃)   1400   1400   1400   1400   1400
  保持时间(小时)   4   4   4   4   4
  CTE(RT-1000℃)   8.9   8.6   8.4   14.0   14.1
  ％孔隙率   51.5   53.9   52.7   53.8   54.0
  d50   10.3   11.1   11.3   8.1   8.1
  d10   6.1   5.9   5.8   4.4   4.0
  d90   15.3   21.2   22.9   14.9   18.8
  (d50-d10)/d50   0.41   0.47   0.48   0.46   0.50
  (d90-d10)/d50   0.89   1.39   1.52   1.30   1.81
  MOR棒(psi)   876   663   1091   726   765
  Al2TiO5   M   M   M   M   M
  富铝红柱石   m   m   m   m   m
  Al2O3   tr   tr   tr   v.s.tr   s.tr
  TiO2   tr   tr   tr   v.s.tr   s.tr
表8
  实施例编号   23   24   25   26   27
  ％Al2TiO5   80   80   80   80   80
  ％富铝红柱石   20   20   20   20   20
重量百分数
  MoO3   2.00   2.00   -   2.00   -
  Y2O3   2.00   2.00   2.00   2.00   2.00
  氧化铝C   41.48   41.48   41.48   36.18   36.18
  氢氧化铝C   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   33.27   33.27   33.27   32.73   32.73
  高岭土A   -   -   -   11.09   11.09
  石英B   5.25   5.25   5.25   -   -
  石墨A   25.00   -   -   -   -
  石墨B   -   25.00   25.00   25.00   25.00
  MPS氧化铝源   12.9   12.9   12.9   13.3   13.3
  MPS二氧化钛源   0.50   0.50   0.50   0.50   0.50
  MPS石英   23.4   23.4   23.4   -   -
  MPS所有无机原料   9.3   9.3   9.3   8.7   8.7
焙烧和性质
  焙烧温度(℃)   1500   1500   1500   1500   1500
  保持时间(小时)   4   4   4   4   4
  CTE(RT-1000℃)   -2.0   -8.4   0.1   -4.5   -2.2
  ％孔隙率   47.6   50.2   47.0   50.7   47.3
  d50   11.2   11.6   11.6   10.0   10.0
  d10   8.2   -   7.6   6.5   6.8
  d90   37.3   -   20.8   19.4   19.2
  (d50-d10)/d50   0.27   -   0.34   0.35   0.32
  (d90-d10)/d50   2.60   -   1.14   1.29   1.24
  MOR棒(psi)   593   489   706   489   670
  Al2TiO5   M   M   M   M   M
  富铝红柱石   m   m   m   m   m
  Al2O3   v.s.tr   v.s.tr   s.tr   s.tr   tr
  TiO2   v.s.tr   v.s.1r   s.tr   v.s.tr   v.s.tr
表9
  实施例编号   28   29   30   31   32
  ％Al2TiO5   70   70   70   70   70
  ％富铝红柱石   30   30   30   30   30
重量百分数
  MoO3   2.00   2.00   -   2.00   -
  Y2O3   2.00   2.00   2.00   2.00   2.00
  氧化铝C   43.01   43.01   43.01   35.10   35.10
  氢氧化铝C   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   29.12   29.12   29.12   28.40   28.40
  高岭土A   -   -   -   16.50   16.50
  石英B   7.87   7.87   7.87   -   -
  石墨A   25.00   -   -   -   -
  石墨B   -   25.00   25.00   25.00   25.00
  MPS氧化铝源   12.8   12.8   12.8   13.4   13.4
  MPS二氧化钛源   0.50   0.50   0.50   0.50   0.50
  MPS石英   23.4   23.4   23.4   -   -
  MPS所有无机原料   10.1   10.1   10.1   9.1   9.1
焙烧和性质
  焙烧温度(℃)   1500   1500   1500   1500   1500
  保持时间(小时)   4   4   4   4   4
  CTE(RT-1000℃)   2.9   0.6   0.7   3.3   2.8
  ％孔隙率   49.2   53.7   50.0   49.3   49.8
  d50   11.0   12.6   12.4   9.1   9.4
  d10   7.5   8.1   7.8   5.5   5.7
  d90   16.2   20.1   27.0   25.2   19.8
  (d50-d10)/d50   0.32   0.36   0.37   0.39   0.40
  (d90-d10)/d50   0.79   0.96   1.55   2.16   1.51
  MOR棒(psi)   694   630   780   753   728
  Al2TiO5   M   M   M   M   M
  富铝红柱石   m   m   m   m   m
  Al2O3   s.tr   v.s.tr   v.s.tr   v.s.tr   v.s.tr
  TiO2   v.s.tr   v.s.tr   v.s.tr   0   v.s.tr
表10
  实施例编号   33   34   35   C11   C12   C13
  ％Al2TiO5   80   80   80   80   80   80
  ％富铝红柱石   20   20   20   20   20   20
重量百分数
  Y2O3   5.00   2.00   1.00   0.50   0.20   0.10
  氧化铝C   41.48   41.48   41.48   41.48   41.48   41.48
  氢氧化铝C   20.00   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   33.27   33.27   33.27   33.27   33.27   33.27
  石英B   5.25   5.25   5.25   5.25   5.25   5.25
  石墨A   25.00   25.00   25.00   25.00   25.00   25.00
  MPS氧化铝源   12.9   12.9   12.9   12.9   12.9   12.9
  MPS二氧化钛源   0.50   0.50   0.50   0.50   0.50   0.50
  MPS石英   23.4   23.4   23.4   23.4   23.4   23.4
  MPS所有无机原料   9.3   9.3   9.3   9.3   9.3   9.3
焙烧和性质
  焙烧温度(℃)   1400   1400   1400   1400   1400   1400
  保持时间(小时)   4   4   4   4   4   4
  CTE(RT-1000℃)   6.0   5.7   9.2   14.9   21.9   35.5
  ％孔隙率   44.7   48.0   52.2   51.4   47.6   49.3
  d50   9.9   9.2   8.8   7.2   6.0   5.8
  d10   7.3   5.9   5.6   -   -   -
  d90   14.5   14.0   14.4   -   -   -
  (d50-d10)/d50   0.26   0.36   0.36   -   -   -
  (d90-d10)/d50   0.73   0.88   1.00   -   -   -
  MOR棒(psi)   1213   1174   1450   916   1003   1048
  Al2TiO5   -   -   -   -   -   -
  富铝红柱石   -   -   -   -   -   -
  Al2O3   -   -   -   -   -   -
  TiO2   -   -   -   -   -   -
表11
  实施例编号   C14   36   37   38   39   C15
  ％Al2TiO5   80   80   80   80   80   80
  ％富铝红柱石   20   20   20   20   20   20
重量百分数
  Y2O3   5.00   2.00   1.00   0.50   0.20   0.10
  氧化铝C   41.48   41.48   41.48   41.48   41.48   41.48
  氢氧化铝C   20.00   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   33.27   33.27   33.27   33.27   33.27   33.27
  石英B   5.25   5.25   5.25   5.25   5.25   5.25
  石墨A   25.00   25.00   25.00   25.00   25.00   25.00
  MPS氧化铝源   12.9   12.9   12.9   12.9   12.9   12.9
  MPS二氧化钛源   0.50   0.50   0.50   0.50   0.50   0.50
  MPS石英   23.4   23.4   23.4   23.4   23.4   23.4
  MPS所有无机原料   9.3   9.3   9.3   9.3   9.3   9.3
焙烧和性质
  焙烧温度(℃)   1500   1500   1500   1500   1500   1500
  保持时间(小时)   4   4   4   4   4   4
  CTE(RT-1000℃)   -0.9   -2.8   -2.1   3.8   6.5   10.7
  ％孔隙率   36.8   47.2   49.9   51.2   52.6   55.2
  d50   13.5   10.6   10.1   9.1   8.0   7.7
  d10   -   7.7   6.4   5.4   4.4   -
  d90   -   14.6   15.3   12.8   11.4   -
  (d50-d10)/d50   -   0.27   0.37   0.41   0.45   -
  (d90-d10)/d50   -   0.65   0.88   0.81   0.88   -
  MOR棒(psi)   942   751   819   808   831   909
  Al2TiO5   -   -   -   -   -   -
  富铝红柱石   -   -   -   -   -   -
  Al2O3   -   -   -   -   -   -
  TiO2   -   -   -   -   -   -
表12
  实施例编号   40   41   42   43   44   45   46   47   48
  ％Al2TiO5   70   70   70   70   70   70   70   70   70
  ％富铝红柱石   30   30   30   30   30   30   30   30   30
重量百分数
  Y2O3   2.63   -   -   -   -   -   -   -   -
  CeO2   -   3.84   -   -   -   -   -   -   -
  La2O3   -   -   3.42   -   -   -   -   -   -
  Nd2O3   -   -   -   3.81   -   -   -   -   -
  Pr6O11   -   -   -   -   3.63   -   -   -   -
  Sm2O3   -   -   -   -   -   3.89   -   -   -
  Gd2O3   -   -   -   -   -   -   3.90   -   -
  Dy2O3   -   -   -   -   -   -   -   4.10   -
  煅烧的氟碳铈镧矿   -   -   -   -   -   -   -   -   4.90
  氧化铝C   43.01   43.01   43.01   43.01   43.01   43.01   43.01   43.01   43.01
  氢氧化铝C   20.00   20.00   20.00   20.00   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   29.12   29.12   29.12   29.12   29.12   29.12   29.12   29.12   29.12
  石英C   7.87   7.87   7.87   7.87   7.87   7.87   7.87   7.87   7.87
  石墨A   25.00   25.00   25.00   25.00   25.00   25.00   25.00   25.00   25.00
  MPS氧化铝源   12.8   12.8   12.8   12.8   12.8   12.8   12.8   12.8   12.8
  MPS二氧化钛源   0.50   0.50   0.50   0.50   0.50   0.50   0.50   0.50   0.50
  MPS石英   25.4   25.4   25.4   25.4   25.4   25.4   25.4   25.4   25.4
  MPS无机原料   10.2   10.2   10.2   10.2   10.2   10.2   10.2   10.2   10.2
焙烧和性质
  焙烧温度(℃)   1400   1400   1400   1400   1400   1400   1400   1400   1400
  保持时间(小时)   4   4   4   4   4   4   4   4   4
  CTE(RT-1000℃)   5.7   8.2   11.9   6.1   6.4   8.9   11.0   7.4   11.4
  ％孔隙率   47.7   39.6   42.1   39.9   40.5   43.2   44.4   48.4   45.1
  d50   9.9   11.8   9.3   10.5   10.2   11.0   9.8   10.4   11.6
  d10   6.6   8.6   6.3   7.6   7.2   7.8   6.4   7.0   8.5
  d90   16.0   19.1   15.3   18.0   36.6   25.9   17.7   18.3   20.8
  (d50-d10)/d50   0.33   0.27   0.32   0.28   0.29   0.29   0.35   0.33   0.27
  (d90-d10)/d50   0.95   0.89   0.97   0.99   2.88   1.65   1.15   1.09   1.06
  MOR棒(psi)   1055   1362   1504   1299   1193   1270   1155   1015   1355
  Al2TiO5   -   -   -   -   -   -   -   -   -
  富铝红柱石   -   -   -   -   -   -   -   -   -
  Al2O3   -   -   -   -   -   -   -   -   -
  TiO2   -   -   -   -   -   -   -   -   -
表13
  实施例编号   49   50   51   52   53   54   55   56   57
  ％Al2TiO5   70   70   70   70   70   70   70   70   70
  ％富铝红柱石   30   30   30   30   30   30   30   30   30
重量百分数
  Y2O3   2.63   -   -   -   -   -   -   -   -
  CeO2   -   3.84   -   -   -   -   -   -   -
  La2O3   -   -   3.42   -   -   -   -   -   -
  Nd2O3   -   -   -   3.81   -   -   -   -   -
  Pr6O11   -   -   -   -   3.63   -   -   -   -
  Sm2O3   -   -   -   -   -   3.89   -   -   -
  Gd2O3   -   -   -   -   -   -   3.90   -   -
  Dy2O3   -   -   -   -   -   -   -   4.10   -
  煅烧氟碳铈镧矿   -   -   -   -   -   -   -   -   4.90
  氧化铝C   43.01   43.01   43.01   43.01   43.01   43.01   43.01   43.01   43.01
  氢氧化铝C   20.00   20.00   20.00   20.00   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   29.12   29.12   29.12   29.12   29.12   29.12   29.12   29.12   29.12
  石英C   7.87   7.87   7.87   7.87   7.87   7.87   7.87   7.87   7.87
  石墨A   25.00   25.00   25.00   25.00   25.00   25.00   25.00   25.00   25.00
  MPS氧化铝源   12.8   12.8   12.8   12.8   12.8   12.8   12.8   12.8   12.8
  MPS二氧化钛源   0.50   0.50   0.50   0.50   0.50   0.50   0.50   0.50   0.50
  MPS石英   25.4   25.4   25.4   25.4   25.4   25.4   25.4   25.4   25.4
  MPS无机原料   10.2   10.2   10.2   10.2   10.2   10.2   10.2   10.2   10.2
焙烧和性质
  焙烧温度(℃)   1500   1500   1500   1500   1500   1500   1500   1500   1500
  保持时间(小时)   4   4   4   4   4   4   4   4   4
  CTE(RT-1000℃)   -0.9   1.0   4.6   3.5   2.7   1.5   1.0   0.0   4.3
  ％孔隙率   43.7   41.4   42.9   40.2   38.7   42.4   44.0   44.9   44.2
  d50   12.0   13.2   10.8   12.2   12.3   12.9   11.9   12.3   13.7
  d10   8.9   9.7   7.9   9.2   9.5   9.9   8.9   9.1   10.6
  d90   19.6   23.0   19.5   19.2   19.6   19.6   20.0   21.6   40.4
  (d50-d10)/d50   0.26   0.27   0.27   0.25   0.23   0.23   0.25   0.26   0.23
  (d90-d10)/d50   0.89   1.01   1.07   0.82   0.82   0.75   0.93   1.02   2.18
  MOR棒(psi)   931   1106   1188   1218   1208   1095   1011   940   1011
  Al2TiO5   -   -   -   -   -   -   -   -   -
  富铝红柱石   -   -   -   -   -   -   -   -   -
  Al2O3   -   -   -   -   -   -   -   -   -
  TiO2   -   -   -   -   -   -   -   -   -
表14
  实施例编号   58   59   C16   C17   C18
  ％Al2TiO5   80   80   80   80   80
  ％富铝红柱石   20   20   20   20   20
重量百分数
  Y2O3   2.78   -   -   -   -
  CaCO3   -   1.88   -   -   -
  SrCO3   -   -   2.61   -   -
  In2O3   -   -   -   3.88   -
  SnO2   -   -   -   -   3.86
  氧化铝C   41.48   41.48   41.48   41.48   41.48
  氢氧化铝C   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   33.27   33.27   33.27   33.27   33.27
  石英B   5.25   5.25   5.25   5.25   5.25
  石英C   -   -   -   -   -
  石墨A   25.00   25.00   25.00   25.00   25.00
  MPS氧化铝源   12.9   12.9   12.9   12.9   12.9
  MPS二氧化钛源   0.50   0.50   0.50   0.50   0.50
  MPS石英   23.4   23.4   23.4   23.4   23.4
  MPS所有无机原料   9.3   9.3   9.3   9.3   9.3
焙烧和性质
  焙烧温度(℃)   1400   1400   1400   1400   1400
  保持时间(小时)   4   4   4   4   4
  CTE(RT-1000℃)   5.3   14.0   30.0   45.3   63.4
  ％孔隙率   47.7   49.8   48.7   52.7   48.1
  d50   9.4   10.4   7.6   6.1   4.2
  d10   5.9   6.8   -   -   -
  d90   12.4   19.4   -   -   -
  (d50-d10)/d50   0.37   0.35   -   -   -
  (d90-d10)/d50   0.69   1.21   -   -   -
  MOR棒(psi)   904   1207   1266   877   1778
  Al2TiO5   M   M   M   M   M
  富铝红柱石   m   0   0   m   m
  Al2O3   tr   m   m   m   M
  TiO2   tr   m   m   M   M
表15
  实施例编号   60   61   C19   C20   C21
  ％Al2TiO5   80   80   80   80   80
  ％富铝红柱石   20   20   20   20   20
重量百分数
  Y2O3   2.78   -   -   -   -
  CaCO3   -   1.88   -   -   -
  SrCO3   -   -   2.61   -   -
  In2O3   -   -   -   3.88   -
  SnO2   -   -   -   -   3.86
  氧化铝C   41.48   41.48   41.48   41.48   41.48
  氢氧化铝C   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   33.27   33.27   33.27   33.27   33.27
  石英B   5.25   5.25   5.25   5.25   5.25
  石墨A   25.00   25.00   25.00   25.00   25.00
  MPS氧化铝源   12.9   12.9   12.9   12.9   12.9
  MPS二氧化钛源   0.50   0.50   0.50   0.50   0.50
  MPS石英   23.4   23.4   23.4   23.4   23.4
  MPS所有无机原料   9.3   9.3   9.3   9.3   9.3
焙烧和性质
  焙烧温度(℃)   1500   1500   1500   1500   1500
  保持时间(小时)   4   4   4   4   4
  CTE(RT-1000℃)   -1.6   11.3   16.9   12.1   28.6
  ％孔隙率   44.9   44.0   49.5   53.7   54.8
  d50   11.4   10.4   10.5   11.6   6.9
  d10   8.6   7.8   -   -   -
  d90   15.2   28.6   -   -   -
  (d50-d10)/d50   0.25   0.25   -   -   -
  (d90-d10)/d50   0.58   2.00   -   -   -
  MOR棒(psi)   823   873   828   480   765
  Al2TiO5   M   M   M   M   M
  富铝红柱石   m   tr   0   m   m
  Al2O3   tr   m   m   v.s.tr   tr
  TiO2   v.s.tr   tr   m   tr   tr
表16
  实施例编号   C22   C23   C24   C25   C26   C27   C28
  ％Al2TiO5   80   80   80   80   80   80   80
  ％富铝红柱石   20   20   20   20   20   20   20
重量百分数
 Bi2O3   4.75   -   -   -   -   -   -
 MoO3   -   2.61   -   -   -   -   -
 B2O3   -   -   1.37   -   -   -   -
 Nb2O5   -   -   -   2.48   -   -   -
 WO3   -   -   -   -   3.98   -   -
 ZnO   -   -   -   -   -   3.11   -
 ZrO2   -   -   -   -   -   -   3.11
 氧化铝A   53.52   53.52   53.52   53.52   53.52   53.52   53.52
 二氧化钛A   34.56   34.56   34.56   34.56   34.56   34.56   34.56
 高岭土A   11.92   11.92   11.92   11.92   11.92   11.92   11.92
 石墨A   25.00   25.00   25.00   25.00   25.00   25.00   25.00
 MPS氧化铝源   6.8   6.8   6.8   6.8   6.8   6.8   6.8
 MPS二氧化钛源   0.50   0.50   0.50   0.50   0.50   0.50   0.50
 MPS石英   -   -   -   -   -   -   -
 MPS所有无机原料   5.0   5.0   5.0   5.0   5.0   5.0   5.0
焙烧和性质
  焙烧温度(℃)   1400   1400   1400   1400   1400   1400   1400
  保持时间(小时)   4   4   4   4   4   4   4
  CTE(RT-1000℃)   37.1   26.4   36.5   41.4   50.6   36.5   43.7
  ％孔隙率   49.1   52.3   51.8   51.0   53.8   47.9   50.2
  d50   5.2   4.5   4.1   2.8   2.8   3.7   3.0
  d10   -   -   -   -   -   -   -
  d90   -   -   -   -   -   -   -
  (d50-d10)/d50   -   -   -   -   -   -   -
  (d90-d10)/d50   -   -   -   -   -   -   -
  MOR棒(psi)   1416   1164   1599   2165   1817   1827   2094
  Al2TiO5   M   M   M   M   M   M   M
  富铝红柱石   m   m   m   m   m   m   m
  Al2O3   m   tr   tr   M   M   0   tr
  TiO2   m   tr   m   M   M   tr   0
表17
  实施例编号   C29   C30   C31   C32   C33   C34   C35
  ％Al2TiO5   80   80   80   80   80   80   80
  ％富铝红柱石   20   20   20   20   20   20   20
重量百分数
  Bi2O3   4.75   -   -   -   -   -   -
  MoO3   -   2.61   -   -   -   -   -
  B2O3   -   -   1.37   -   -   -   -
  Nb2O5   -   -   -   2.48   -   -   -
  WO3   -   -   -   -   3.98   -   -
  ZnO   -   -   -   -   -   3.11   -
  ZrO2   -   -   -   -   -   -   3.11
  氧化铝A   53.52   53.52   53.52   53.52   53.52   53.52   53.52
  二氧化钛A   34.56   34.56   34.56   34.56   34.56   34.56   34.56
  高岭土A   11.92   11.92   11.92   11.92   11.92   11.92   11.92
  石墨A   25.00   25.00   25.00   25.00   25.00   25.00   25.00
  MPS氧化铝源   6.8   6.8   6.8   6.8   6.8   6.8   6.8
  MPS二氧化钛源   0.50   0.50   0.50   0.50   0.50   0.50   0.50
  MPS石英   -   -   -   -   -   -   -
  MPSAll无机原料   5.0   5.0   5.0   5.0   5.0   5.0   5.0
焙烧和性质
  焙烧温度(℃)   1500   1500   1500   1500   1500   1500   1500
  保持时间(小时)   4   4   4   4   4   4   4
  CTE(RT-1000℃)   9.0   16.5   30.3   26.2   24.8   24.7   20.0
  ％孔隙率   41.9   55.1   51.8   48.6   51.4   46.7   50.7
  d50   5.1   4.0   4.1   5.0   5.2   4.3   4.9
  d10   -   -   -   -   -   -   -
  d90   -   -   -   -   -   -   -
  (d50-d10)/d50   -   -   -   -   -   -   -
  (d90-d10)/d50   -   -   -   -   -   -   -
  MOR棒(psi)   966   881   1120   1131   959   1343   1027
  Al2TiO5   M   M   M   M   M   M   M
  富铝红柱石   m   m   m   m   m   m   m
  Al2O3   tr   tr   v.s.tr   0   tr   0   0
  TiO2   tr   tr   v.s.tr   tr   m   0   0
表18
  实施例编号   63   64   65   66   67   68   69   70
  ％Al2TiO5   70   70   70   70   70   70   70   70
  ％富铝红柱石   30   30   30   30   30   30   30   30
重量百分数
  Y2O3   2.63   2.63   2.63   2.63   2.63   2.63   2.63   2.63
  氧化铝A   -   -   -   -   -   -   -   -
  氧化铝B   43.01   -   -   -   43.01   -   -   -
  氧化铝C   -   43.01   -   -   -   43.01   -   -
  氧化铝D   -   -   43.01   -   -   -   43.01   -
  氧化铝E   -   -   -   43.01   -   -   -   43.01
  氢氧化铝C   20.00   20.00   20.00   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   29.12   29.12   29.12   29.12   29.12   29.12   29.12   29.12
  石英C   7.87   7.87   7.87   7.87   7.87   7.87   7.87   7.87
  石墨A   25.00   25.00   25.00   25.00   25.00   25.00   25.00   25.00
  MPS氧化铝源   12.8   12.8   22.9   35.2   12.8   12.8   22.9   35.2
  MPS二氧化钛源   0.50   0.50   0.50   0.50   0.50   0.50   0.50   0.50
  MPS石英   25.4   25.4   25.4   25.4   25.4   25.4   25.4   25.4
  MPS无机原料   10.2   10.2   16.6   24.3   10.2   10.2   16.6   24.3
焙烧和性质
  焙烧温度(℃)   1400   1400   1400   1400   1500   1500   1500   1500
  保持时间(小时)   4   4   4   4   4   4   4   4
  CTE(RT-1000℃)   10.4   9.8   7.5   6.1   1.4   2.8   -0.7   -3.8
  ％孔隙率   44.7   50.3   48.2   50.0   41.6   45.2   47.8   48.4
  d50   8.7   10.0   13.7   17.6   9.8   11.4   15.1   21.4
  d10   5.8   6.5   9.5   12.8   7.3   8.3   10.6   15.0
  d90   12.4   15.5   20.1   26.5   13.7   20.2   26.9   31.2
  (d50-d10)/d50   0.33   0.35   0.31   0.27   0.25   0.27   0.30   0.30
  (d90-d10)/d50   0.76   0.90   0.78   0.78   0.65   1.05   1.08   0.75
  MOR棒(psi)   1439   1174   959   710   1175   1017   753   505
  Al2TiO5   -   -   -   -   -   -   -   -
  富铝红柱石   -   -   -   -   -   -   -   -
  Al2O3   -   -   -   -   -   -   -   -
  TiO2   -   -   -   -   -   -   -   -
表19
  实施例编号   71   72   73   74   75
  ％Al2TiO5   70   70   70   70   70
  ％富铝红柱石   30   30   30   30   30
重量百分数
  Y2O3   2.50   2.50   2.63   2.63   2.50
  氧化铝C   -   -   43.01   43.01   43.01
  氧化铝E   43.01   43.01   -   -   -
  氢氧化铝C   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   29.12   29.12   -   -   -
  二氧化钛B   -   -   29.12   29.12   -
  二氧化钛C   -   -   -   -   31.83
  石英C   7.87   7.87   7.87   7.87   7.87
  石墨A   25.00   25.00   25.00   25.00   25.00
  MPS氧化铝源   35.2   35.2   12.8   12.8   12.8
  MPS二氧化钛源   0.50   0.50   13.69   13.69   22.68
  MPS石英   25.4   25.4   25.4   25.4   25.4
  MPS所有无机原料   24.3   24.3   14.1   14.1   16.8
焙烧和性质
  焙烧温度(℃)   1450   1450   1400   1500   1450
  保持时间(小时)   6   8   4   4   6
  CTE(RT-1000℃)   0.8   -2.7   12.5   5.1   6.3
  ％孔隙率   48.4   49.0   56.9   53.9   58.0
  d50   18.1   18.8   13.3   15.5   12.4
  d10   12.2   12.7   9.8   11.8   10.2
  d90   26.4   30.8   17.6   19.7   22.3
  (d50-d10)/d50   0.33   0.32   0.26   0.24   0.18
  (d90-d10)/d50   0.78   0.97   0.59   0.51   0.97
  MOR棒(psi)   -   -   646   520   -
  直径(cm)   -   14.46   -   -   -
  高度(cm)   -   15.29   -   -   -
  孔/英寸2   -   311   -   -   -
  壁厚度(10-3英寸)   -   11.2   -   -   -
  质量(g)   -   1713   -   -   -
  过滤器的堆密度(g/cm3)   -   0.681   -   -   -
  在0克/升，210scfm下压降(kPa)   -   1.54   -   -   -
  在5克/升，210scfm下压降(kPa)   -   3.87   -   -   -
表20
  实施例编号   76   77   78   79   80   81
  ％Al2TiO5   80   80   80   80   80   80
  ％富铝红柱石   20   20   20   20   20   20
重量百分数
  MoO3   2.00   2.00   2.00   2.00   2.00   2.00
  Y2O3   2.00   2.00   2.00   2.00   2.00   2.00
  氧化铝C   41.48   41.48   41.48   41.48   41.48   41.48
  氢氧化铝A   20.00   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   33.27   33.27   33.27   33.27   33.27   33.27
  石英A   5.25   5.25   5.25   5.25   5.25   5.25
  石墨A   25.00   25.00   25.00   25.00   25.00   25.00
  MPS氧化铝源   9.8   9.8   9.8   9.8   9.8   9.8
  MPS二氧化钛源   0.5   0.5   0.5   0.5   0.5   0.5
  MPS石英   3.7   3.7   3.7   3.7   3.7   3.7
  MPS所有无机原料   6.4   6.4   6.4   6.4   6.4   6.4
焙烧和性质
  焙烧温度(℃)   1415   1435   1435   1435   1455   1475
  保持时间(小时)   8   6   6   6   6   6
  窑炉类型(E＝电，G＝燃气)   E   G   E   G   G   E
  CTE(RT-1000℃)   -2.3   -3.6   -4.1   1.1   -0.2   -6.1
  ％孔隙率   50.5   48.7   49.3   51.1   50.0   47.7
  d50   10.0   9.2   9.7   9.7   9.9   10.4
  d10   -   6.1   6.4   6.3   7.1   7.4
  d90   -   12.8   13.7   13.6   13.7   14.1
  (d50-d10)/d50   -   0.33   0.34   0.35   0.29   0.29
  (d90-d10)/d50   -   0.72   0.76   0.75   0.67   0.65
  直径(cm)   -   -   4.95   -   -   -
  高度(cm)   -   -   15.24   -   -   -
  孔/英寸2   -   -   191   -   -   -
  壁厚度(10-3in)   -   -   14.0   -   -   -
  质量(g)   -   -   211.8   -   -   -
  过滤器的堆密度(g/cm3)   -   -   0.721   -   -   -
  在0克/升，26.25scfm下压降(kPa)   -   - 1.87   -   -   -
  在5克/升，26.25scfm下压降(kPa) - - 4.51 - - -
表21
  实施例编号   82   83   84   85   86   87   88
  ％Al2TiO5   80   80   80   80   80   80   80
  ％富铝红柱石   20   20   20   20   20   20   20
重量百分数
  Y2O3   2.00   2.00   2.00   2.00   2.00   2.00   2.00
  氧化铝C   41.48   41.48   41.48   41.48   41.48   41.48   41.48
  氢氧化铝A   20.00   20.00   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   33.27   33.27   33.27   33.27   33.27   33.27   33.27
  石英A   5.25   5.25   5.25   5.25   5.25   5.25   5.25
  石墨A   25.00   25.00   25.00   25.00   25.00   25.00   25.00
  MPS氧化铝源   9.8   9.8   9.8   9.8   9.8   9.8   9.8
  MPS二氧化钛源   0.5   0.5   0.5   0.5   0.5   0.5   0.5
  MPS石英   3.7   3.7   3.7   3.7   3.7   3.7   3.7
  MPS所有无机原料   6.4   6.4   6.4   6.4   6.4   6.4   6.4
焙烧和性质
  焙烧温度(℃)   1415   1435   1455   1465   1475   1475   1435
  保持时间(小时)   8   6   6   4   6   6   6
  窑炉类型(E＝电，G＝燃气) E G G E E G E
  CTE(RT-1000℃)   -0.5   -3.5   0.7   -5.1   -4.3   -0.3   -
  ％孔隙率   48.3   48.7   48.5   46.5   46.9   49.9   -
  d50   9.7   9.5   10.5   10.2   10.5   10.7   -
  d10   -   6.4   7.4   -   7.4   7.8   -
  d90   -   13.1   14.7   -   15.0   14.8   -
  (d50-d10)/d50   -   0.33   0.30   -   0.29   0.28   -
  (d90-d10)/d50   -   0.71   0.70   -   0.72   0.66   -
  直径(cm)   -   -   -   4.83   -   -   4.89
  高度(cm)   -   -   -   15.30   -   -   15.24
  孔/英寸2   -   -   -   208   -   -   203
  壁厚度(10-3英寸)   -   -   -   13.6   -   -   12.7
  质量(g)   -   -   -   214.9   -   -   207.2
  过滤器的堆密度(g/cm3)   -   -   -   0.767   -   -   0.724
  在0克/升，26.25scfm下压降(kPa) - - - 2.02 - - 1.94
  在5克/升，26.25scfm下压降(kPa) - - - 5.48 - - 4.86
表22
  实施例编号   89   90   91   92   93
  ％Al2TiO5   70   70   70   70   70
  ％富铝红柱石   30   30   30   30   30
重量百分数
  Y2O3   2.00   2.00   2.00   2.00   2.00
  氧化铝C   43.01   43.01   43.01   43.01   43.01
  氢氧化铝C   20.00   20.00   20.00   20.00   20.00
  二氧化钛A   29.12   29.12   29.12   29.12   29.12
  石英C   7.87   7.87   7.87   7.87   7.87
  石墨A   25.00   25.00   25.00   25.00   25.00
  MPS氧化铝源   12.8   12.8   12.8   12.8   12.8
  MPS二氧化钛源   0.5   0.5   0.5   0.5   0.5
  MPS石英   25.4   25.4   25.4   25.4   25.4
  MPS所有无机原料   10.2   10.2   10.2   10.2   10.2
焙烧和性质
  焙烧温度(℃)   1415   1435   1435   1455   1475
  保持时间(小时)   8   6   6   6   6
  窑炉类型(E＝电，G＝燃气)   E   G   E   G   E
  CTE(RT-1000℃)   6.5   4.1   5.1   3.9   3.6
  ％孔隙率   47.8   51.8   49.3   50.5   48.4
  d50   10.5   10.4   10.4   10.7   11.5
  d10   -   6.6   6.9   -   7.6
  d90   -   15.8   17.0   -   16.8
  (d50-d10)/d50   -   0.36   0.34   -   0.34
  (d90-d10)/d50   -   0.88   0.97   -   0.80
  直径(cm)   -   -   4.91   4.96   -
  高度(cm)   -   -   15.24   15.34   -
  孔/英寸2   -   -   202   194   -
  壁厚度(10-3英寸)   -   -   13.6   14.1   -
  质量(g)   -   -   207.1   205.4   -
  过滤器的堆密度(g/cm3)   -   -   0.716   0.693   -
  在0克/升，26.25scfm下压降(kPa) - - 1.89 1.73 -
  在5克/升，26.25scfm下压降(kPa) - - 5.02 4.88 -
表23
  实施例编号   94
  ％Al2TiO5   80
  ％富铝红柱石   20
重量百分数
  Y2O3   2.00
  氧化铝B   41.48
  氢氧化铝C   20.00
  二氧化钛A   33.27
  石英B   5.25
  石墨A   25
  MPS氧化铝源   12.9
  MPS二氧化钛源   0.50
  MPS石英   23.4
  MPS所有无机原料   9.3
焙烧和性质
  焙烧温度(℃)   1425
  保持时间(小时)   10
  ％孔隙率   48.8
  d50   10.2
  预循环   后循环
  ％长度变化   -   +0.21％
  棒上CTE(RT-1000℃)   -2.2   -3.6
  MOR棒(psi)   825   815

Claims (37)

1.一种陶瓷体，该陶瓷体包含：
钛酸铝相和以(d50-d10)/d50比值小于0.50表征的窄孔径分布，
热膨胀系数(RT-1000℃)小于15×10-7C-1，
孔隙率至少为38体积％，
和至少0.10重量％的选自以下金属的金属氧化物：铋、钙、钇、镧系元素和它们的组合。
2.如权利要求1所述的陶瓷体，所述陶瓷体还包含小于0.35的(d50-d10)/d50比值。
3.如权利要求1所述的陶瓷体，所述陶瓷体还包含小于0.25的(d50-d10)/d50比值。
4.如权利要求1所述的陶瓷体，所述陶瓷体还包含等于或小于0.23的(d50-d10)/d50比值。
5.如权利要求1所述的陶瓷体，所述陶瓷体还包含小于0.50且大于0.18的(d50-d10)/d50比值。
6.如权利要求1所述的陶瓷体，所述陶瓷体还包含富铝红柱石相。
7.如权利要求1所述的陶瓷体，所述陶瓷体还具有不大于10×10-7C-1的热膨胀系数(RT-1000℃)。
8.如权利要求1所述的陶瓷体，所述陶瓷体还具有45-60体积％的孔隙率。
9.如权利要求1所述的陶瓷体，所述陶瓷体还具有至少8微米的中值孔径。
10.如权利要求9所述的陶瓷体，所述陶瓷体还具有10-20微米的中值孔径。
11.如权利要求1所述的陶瓷体，所述陶瓷体还具有采用圆柱棒上四点法测定的至少450psi的断裂模量(MOR)。
12.如权利要求1所述的陶瓷体，所述陶瓷体还具有采用圆柱棒上四点法测定的至少500psi的断裂模量(MOR)。
13.如权利要求1所述的陶瓷体，所述陶瓷体还具有采用圆柱棒上四点法测定的至少600psi的断裂模量(MOR)。
14.如权利要求1所述的陶瓷体，所述陶瓷体还具有采用圆柱棒上四点法测定的至少700psi的断裂模量(MOR)。
15.如权利要求1所述的陶瓷体，所述陶瓷体还具有以下一组性质，包括热膨胀系数(RT-1000℃)小于10×10-7C-1，孔隙率为45-60体积％，中值孔径为10-20微米。
16.如权利要求15所述的陶瓷体，所述陶瓷体还包括以(d50-d10)/d50比值小于0.25表征的窄孔径分布。
17.如权利要求1所述的陶瓷体，其特征在于，陶瓷体在1375-1550℃的温度下进行烧结时具有所述的一组性质。
18.如权利要求1所述的陶瓷体，所述陶瓷体还包含0.10-5.0重量％金属氧化物。
19.一种柴油机废气颗粒过滤器，该过滤器包括如权利要求1所述的陶瓷体，其特征在于，所述陶瓷体是被堵塞的壁流蜂窝体，具有许多从前进口端到出口端穿过该蜂窝体的末端堵塞的平行孔道。
20.如权利要求19所述的柴油机废气颗粒过滤器，所述的柴油机废气颗粒过滤器还具有小于10×10-7C-1的热膨胀系数(RT-1000℃)，孔隙率为45-60体积％，中值孔径为10-20微米，和以(d50-d10)/d50比值不大于0.35表征的对应于高互连孔隙率的窄孔径分布。
21.一种制备钛酸铝陶瓷体的方法，该方法包括以下步骤：
提供无机原料混合物，所述混合物包含：氧化铝源，二氧化硅源，二氧化钛源，至少0.10重量％超量添加的作为烧结添加剂的金属氧化物源，所述金属氧化物对应的金属选自以下：铋、钙、钇、镧系元素和它们的组合；
将所述混合物成形为有形体；
使该有形体在1375℃-1550℃烧结1-15小时；
其中，无机原料的重均中值粒径D50至少为6微米，使烧结后的钛酸铝陶瓷体中形成的中值孔径d50至少为8微米。
22.如权利要求21所述的方法，其特征在于，金属氧化物在无机原料混合物中的添加量为0.10-5.0重量％。
23.如权利要求21所述的方法，其特征在于，氧化铝源选自金刚砂、γ-氧化铝或另一种过渡氧化铝、勃姆石、氢氧化铝(水铝矿)以及它们的混合物。
24.如权利要求21所述的方法，其特征在于，氧化铝源的中值粒径大于15微米。
25.如权利要求24所述的方法，其特征在于，无机原料的混合物还包含硅铝酸盐源。
26.如权利要求25所述的方法，其特征在于，硅铝酸盐源选自富铝红柱石、蓝晶石、硅线石、高岭土、煅烧的高岭土、叶蜡石或它们的混合物。
27.如权利要求21所述的方法，其特征在于，二氧化硅源选自石英、方石英、沸石、硅藻土、熔凝硅石、胶态硅石、无定形硅石或它们的混合物。
28.如权利要求21所述的方法，其特征在于，二氧化钛源选自金红石、锐钛矿、无定形二氧化钛或它们的混合物。
29.如权利要求21所述的方法，其特征在于，氧化铝源和二氧化钛源的颗粒或聚集体的中值粒径至少为10微米。
30.如权利要求21所述的方法，其特征在于，金属氧化物源选自：氧化铋，碳酸钙，氢氧化钙，铝酸钙，钛酸钙，硅酸钙，钇或稀土的氧化物、氢氧化物、碳酸盐、氟化物-碳酸盐、铝酸盐、硅酸盐、钛酸盐、氯化物、硝酸盐、乙酸盐、或其它可溶性或不溶性盐，混合稀土浓缩物如氟碳铈镧矿、煅烧的氟碳铈镧矿或独居石，以及它们的组合。
31.如权利要求30所述的方法，其特征在于，金属氧化物源的中值粒径小于5微米。
32.如权利要求21所述的方法，其特征在于，将混合物成形的步骤还包括通过模头挤出，形成蜂窝体结构。
33.一种陶瓷体，该陶瓷体包含：
钛酸铝相和以(d50-d10)/d50比值小于0.25表征的窄孔径分布，
热膨胀系数(RT-1000℃)小于10×10-7C-1，
孔隙率为45-60体积％。
34.如权利要求33所述的陶瓷体，所述陶瓷体还具有采用圆柱棒上四点法测定的至少450psi的断裂模量(MOR)。
35.如权利要求33所述的陶瓷体，所述陶瓷体还具有采用圆柱棒上四点法测定的至少500psi的断裂模量(MOR)。
36.如权利要求33所述的陶瓷体，所述陶瓷体还包含富铝红柱石相。
37.如权利要求33所述的陶瓷体，所示陶瓷体还具有不大于10×10-7C-1的热膨胀系数(RT-1000℃)。
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* Cited by examiner, † Cited by third party
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US7488366B2 (en) * 2003-07-25 2009-02-10 Ngk Insulators, Ltd. Ceramic porous body and method for evaluating its permeability
US20060021308A1 (en) * 2004-07-29 2006-02-02 Merkel Gregory A Mullite-aluminum titanate body and method for making same
KR101072239B1 (ko) * 2005-06-07 2011-10-12 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 촉매 캐리어
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FR2889184B1 (fr) * 2005-07-29 2007-10-19 Saint Gobain Ct Recherches Procede de preparation d'une structure poreuse utilisant des agents porogenes a base de silice
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JP4824769B2 (ja) * 2005-11-30 2011-11-30 コーニング インコーポレイテッド 細孔径分布の制御された多孔質セラミックハニカムフィルタ、ハニカム未焼成体、そのバッチ混合物および製造方法
EP1997788B1 (en) * 2006-03-17 2012-11-28 NGK Insulators, Ltd. Process for producing a cordierite-based honeycomb structure
US7575618B2 (en) * 2006-03-30 2009-08-18 Corning Incorporated Reactive binders for porous wall-flow filters
US20070254798A1 (en) * 2006-03-31 2007-11-01 Addiego William P Peroxide containing compounds as pore formers in the manufacture of ceramic articles
DE102006026161A1 (de) * 2006-05-23 2007-11-29 Robert Bosch Gmbh Filtereinrichtung, insbesondere für ein Abgassystem einer Brennkraftmaschine
US8956436B2 (en) 2006-06-30 2015-02-17 Corning Incorporated Cordierite aluminum magnesium titanate compositions and ceramic articles comprising same
JP5178715B2 (ja) * 2006-06-30 2013-04-10 コーニング インコーポレイテッド コージェライトチタン酸アルミニウムマグネシウム組成物及びこの組成物を含むセラミック製品
US10501375B2 (en) 2006-06-30 2019-12-10 Corning Incorporated Cordierite aluminum magnesium titanate compositions and ceramic articles comprising same
US7744669B2 (en) * 2006-07-14 2010-06-29 Corning Incorporated Plugging material for aluminum titanate ceramic wall flow filter manufacture
US7648550B2 (en) * 2006-08-25 2010-01-19 Corning Incorporated Narrow pore size distribution cordierite ceramic honeycomb articles and methods for manufacturing same
US8298311B2 (en) * 2006-11-15 2012-10-30 Corning Incorporated Filters with controlled submicron porosity
US8974724B2 (en) 2006-11-29 2015-03-10 Corning Incorporated Aluminum titanate batch compositions and method
US7981188B2 (en) * 2006-11-30 2011-07-19 Corning Incorporated Controlled pore size distribution porous ceramic honeycomb filter, honeycomb green body, batch mixture and manufacturing method therefor
WO2008093727A1 (ja) * 2007-01-30 2008-08-07 Kyocera Corporation ハニカム構造体および浄化装置
US7713897B2 (en) * 2007-02-27 2010-05-11 Corning Incorporated Ceramic materials for 4-way and NOx adsorber and method for making same
DE102007024871A1 (de) * 2007-05-29 2008-12-04 Robert Bosch Gmbh Keramisches Filterelement mit geringem Tiefenfiltrationsanteil
WO2008150421A1 (en) * 2007-05-31 2008-12-11 Corning Incorporated Aluminum titanate ceramic forming batch mixtures and green bodies with pore former
US8709577B2 (en) * 2007-06-28 2014-04-29 Corning Incorporated High porosity ceramic honeycomb article containing rare earth oxide and method of manufacturing same
US20090113863A1 (en) * 2007-11-05 2009-05-07 Yanxia Lu Low Expansion Cement Compositions for Ceramic Monoliths
EP2592059B1 (en) 2007-11-30 2020-09-23 Corning Incorporated Composition for applying to honeycomb bodies
EP2250139B1 (en) * 2007-12-17 2016-10-26 Imerys Ceramic honeycomb structures
WO2009110978A2 (en) * 2008-02-29 2009-09-11 Corning Incorporated Method for porous ceramic honeycomb shrinkage reduction
CN104987123A (zh) 2008-02-29 2015-10-21 康宁股份有限公司 使用磨碎的坚果壳制造蜂窝体的方法和由此制得的蜂窝体
EP2260921A4 (en) * 2008-03-31 2011-11-30 Ibiden Co Ltd HONEYCOMB STRUCTURE
EP2258459B1 (en) * 2008-03-31 2016-03-23 Ibiden Co., Ltd. Honeycomb structure
WO2009144261A1 (de) * 2008-05-29 2009-12-03 Mann+Hummel Gmbh Filtereinrichtung zur entfernung von partikeln aus einem gasstrom
US8101117B2 (en) 2008-05-30 2012-01-24 Corning, Incorporated Controlled gas pore formers in extruded ware
EP2915795A1 (en) 2008-08-28 2015-09-09 Corning Incorporated Managed pore size distribution in honeycomb substrates
US7914718B2 (en) 2008-08-28 2011-03-29 Corning Incorporated Gas pore former in cellular monoliths
EP2406545B1 (en) 2008-09-26 2019-05-29 The Ohio State University Conversion of carbonaceous fuels into carbon free energy carriers
JP4774564B2 (ja) * 2008-10-07 2011-09-14 住友化学株式会社 チタン酸アルミニウム系セラミックス粉末の製造方法
US20100121100A1 (en) * 2008-11-12 2010-05-13 Daniel Travis Shay Supported palladium-gold catalysts and preparation of vinyl acetate therewith
US8137637B2 (en) * 2008-11-20 2012-03-20 Corning Incorporated Particulate filter and method of making
US20100154370A1 (en) * 2008-12-22 2010-06-24 Caterpillar Inc, System and methods for particulate filter
US8231701B2 (en) * 2009-01-21 2012-07-31 Corning Incorporated Particulate filters and methods for regenerating particulate filters
JP2010215488A (ja) * 2009-02-17 2010-09-30 Sumitomo Chemical Co Ltd チタン酸アルミニウム系セラミックス
US20100217424A1 (en) * 2009-02-26 2010-08-26 Andrew Charles Gorges Ceramic contamination control processes
US8051703B2 (en) 2009-02-27 2011-11-08 Corning Incorporated Methods for using a fluid stream to test a honeycomb body
US8138108B2 (en) * 2009-02-27 2012-03-20 Corning Incorporated Aluminum titanate-containing ceramic-forming batch materials and methods using the same
JP5506220B2 (ja) * 2009-03-26 2014-05-28 日本碍子株式会社 セラミックハニカム構造体
CN102378746A (zh) * 2009-03-30 2012-03-14 住友化学株式会社 钛酸铝系陶瓷体的制造方法
CN102378745A (zh) * 2009-03-30 2012-03-14 住友化学株式会社 钛酸铝系陶瓷体的制造方法
US9227878B2 (en) 2009-04-30 2016-01-05 Corning Incorporated Selected binders for the extrusion of ultra-thin wall cellular ceramics
JP2011041933A (ja) * 2009-07-21 2011-03-03 Honda Motor Co Ltd 排気浄化フィルタ
FR2948657B1 (fr) * 2009-07-28 2013-01-04 Saint Gobain Ct Recherches Grains fondus d'oxydes comprenant al, ti et produits ceramiques comportant de tels grains
US20110045233A1 (en) * 2009-08-20 2011-02-24 Sandra Lee Gray Dimensional control during firing to form aluminum titanate honeycomb structures
WO2011031752A2 (en) 2009-09-08 2011-03-17 The Ohio State University Research Foundation Synthetic fuels and chemicals production with in-situ co2 capture
US20110124486A1 (en) * 2009-11-24 2011-05-26 Bonham Christine Gallaher Aluminum Titanate-Containing Ceramic-Forming Batch Materials And Methods Using The Same
US8148297B2 (en) * 2009-11-30 2012-04-03 Corning Incorporated Reticular cordierite composition, article and manufacture thereof
US8329611B2 (en) * 2009-12-16 2012-12-11 Lyondell Chemical Technology, L,P. Titania-containing extrudate
US8273682B2 (en) * 2009-12-16 2012-09-25 Lyondell Chemical Technology, L.P. Preparation of palladium-gold catalyst
US8507720B2 (en) * 2010-01-29 2013-08-13 Lyondell Chemical Technology, L.P. Titania-alumina supported palladium catalyst
EP2390307A1 (en) 2010-05-27 2011-11-30 Corning Incorporated Porous ceramic processing using prilled wax and non-ionic surfactant
US20110306748A1 (en) * 2010-06-11 2011-12-15 Daniel Travis Shay Titania-alumina-tungsta extrudate and its use
CN103354763B (zh) 2010-11-08 2016-01-13 俄亥俄州立大学 具有反应器之间的气体密封和移动床下导管的循环流化床
EP2537820B1 (en) * 2010-12-17 2015-04-01 Sumitomo Chemical Company Limited Green formed body, and process for production of honeycomb structure
WO2012135401A1 (en) 2011-03-29 2012-10-04 Dow Global Technologies Llc Method for making porous mullite-tialite composites
WO2012155054A1 (en) 2011-05-11 2012-11-15 The Ohio State University Systems for converting fuel
EP2707583B1 (en) 2011-05-11 2019-07-10 Ohio State Innovation Foundation Oxygen carrying materials
US9272956B2 (en) * 2011-05-27 2016-03-01 Corning Incorporated Method for controlling aluminum titanate ceramic filter properties
WO2012176888A1 (ja) * 2011-06-24 2012-12-27 住友化学株式会社 チタン酸アルミニウム系セラミックス及び成形体
CN102910930A (zh) * 2011-08-04 2013-02-06 晋城市富基新材料股份有限公司 一种蜂窝陶瓷过滤器及其制备方法
JP6275140B2 (ja) * 2012-08-14 2018-02-07 コーニング インコーポレイテッド コージェライト−チタン酸アルミニウムマグネシウム組成及びこれを有するセラミック品
US20150225299A1 (en) * 2012-10-05 2015-08-13 Imerys Ceramic Structures
US10526249B2 (en) 2012-11-30 2020-01-07 Corning Incorporated Cordierite aluminum magnesium titanate compositions and ceramic articles comprising same
US10018052B2 (en) 2012-12-28 2018-07-10 United Technologies Corporation Gas turbine engine component having engineered vascular structure
WO2014105108A1 (en) 2012-12-28 2014-07-03 United Technologies Corporation Gas turbine engine component having vascular engineered lattice structure
EP2953892B1 (en) 2013-02-05 2023-04-05 Ohio State Innovation Foundation Methods for fuel conversion
US20160023190A1 (en) * 2013-03-13 2016-01-28 Ohio State Innovation Foundation Oxygen carrying materials and methods for making the same
US9623360B2 (en) 2013-05-20 2017-04-18 Corning Incorporated Porous ceramic article and method of manufacturing the same
US9376347B2 (en) 2013-05-20 2016-06-28 Corning Incorporated Porous ceramic article and method of manufacturing the same
US9908260B2 (en) 2013-05-20 2018-03-06 Corning Incorporated Porous ceramic article and method of manufacturing the same
US10472291B2 (en) 2013-10-15 2019-11-12 Corning Incorporated Crosslinked starches for pore forming in ceramics
US20150238915A1 (en) 2014-02-27 2015-08-27 Ohio State Innovation Foundation Systems and methods for partial or complete oxidation of fuels
US20170183266A1 (en) * 2014-03-28 2017-06-29 Imerys Ceramic structures
EP3221279A1 (en) 2014-11-19 2017-09-27 Corning Incorporated Ceramic powders with controlled size distribution
US10094287B2 (en) 2015-02-10 2018-10-09 United Technologies Corporation Gas turbine engine component with vascular cooling scheme
CN107666948B (zh) 2015-05-29 2021-09-10 康宁股份有限公司 蜂窝式过滤器的封堵以及用于封堵蜂窝式过滤器的设备
CN105458268B (zh) * 2015-12-04 2017-09-29 东莞华晶粉末冶金有限公司 一种用于粉末注射成形产品的烧结制具及其制作方法
US10221694B2 (en) 2016-02-17 2019-03-05 United Technologies Corporation Gas turbine engine component having vascular engineered lattice structure
US11111143B2 (en) 2016-04-12 2021-09-07 Ohio State Innovation Foundation Chemical looping syngas production from carbonaceous fuels
MX2018014812A (es) 2016-05-31 2019-03-14 Corning Inc Articulo poroso y metodo para la fabricacion del mismo.
US20190177232A1 (en) * 2016-06-13 2019-06-13 Corning Incorporated Aluminum titanate compositions, aluminum titanate articles, and methods of making same
CH713958A1 (de) * 2017-07-07 2019-01-15 Exentis Tech Ag System bestehend aus einem Träger mit Strömungskanälen und mindestens einer katalystisch wirksamen Substanz.
US11661379B2 (en) 2017-07-21 2023-05-30 Corning Incorporated Methods of extracting volatiles from ceramic green bodies
US20200231506A1 (en) 2017-07-24 2020-07-23 Corning Incorporated Antioxidants in green ceramic bodies containing various oils for improved firing
WO2019027972A1 (en) 2017-07-31 2019-02-07 Ohio State Innovation Foundation REACTOR SYSTEM WITH UNEQUAL OPERATING PRESSURE OF REACTOR ASSEMBLY
WO2019032645A1 (en) 2017-08-11 2019-02-14 Corning Incorporated BATCH MIXES OF FLAT CERAMIC MATERIAL CONTAINING REVERSE EMULSION AND METHODS OF FORMING A CERAMIC BODY
CN111527054B (zh) 2017-10-31 2023-09-01 康宁股份有限公司 包含球形预反应过的无机颗粒和球形造孔剂的批料组合物及由其制造蜂窝体的方法
WO2019125972A1 (en) 2017-12-19 2019-06-27 Corning Incorporated Green ceramic mixtures comprising a stabilized emulsion and methods for forming a ceramic body
CN108117385B (zh) * 2017-12-26 2020-11-10 中国科学院上海硅酸盐研究所 一种大尺寸高耐电强度氧化钛基介质陶瓷材料及其制备方法和应用
US10549236B2 (en) 2018-01-29 2020-02-04 Ohio State Innovation Foundation Systems, methods and materials for NOx decomposition with metal oxide materials
JP7038585B2 (ja) 2018-03-30 2022-03-18 日本碍子株式会社 セラミックス多孔体及び集塵用フィルタ
WO2020018346A1 (en) 2018-07-20 2020-01-23 Corning Incorporated System and method for detecting defects in a honeycomb body
WO2020033500A1 (en) 2018-08-09 2020-02-13 Ohio State Innovation Foundation Systems, methods and materials for hydrogen sulfide conversion
WO2020047249A1 (en) 2018-08-31 2020-03-05 Corning Incorporated Cordierite-indialite-pseudobrookite structured ceramic bodies, batch composition mixtures, and methods of manufacturing ceramic bodies therefrom
US10774653B2 (en) 2018-12-11 2020-09-15 Raytheon Technologies Corporation Composite gas turbine engine component with lattice structure
EP3670474B1 (en) * 2018-12-20 2023-08-23 Nippon Shokubai Co., Ltd. Ceramic sheet and method for manufacturing the same
US20220055949A1 (en) 2019-01-14 2022-02-24 Corning Incorporated Green ceramic batch mixtures comprising an inverse emulsion and methods for forming a ceramic body
AU2020271068A1 (en) 2019-04-09 2021-09-30 Ohio State Innovation Foundation Alkene generation using metal sulfide particles
WO2021030106A1 (en) 2019-08-13 2021-02-18 Corning Incorporated Cement mixtures for plugging honeycomb bodies and methods of making the same
CN111875393B (zh) * 2020-08-05 2022-06-24 济南大学 烧结助剂、钛酸铝陶瓷前体料和钛酸铝陶瓷及其制造方法
CN115697943A (zh) 2020-08-25 2023-02-03 康宁股份有限公司 用于堵塞蜂窝体的胶结剂混合物及其制造方法
CN113321487B (zh) * 2021-06-28 2023-06-02 武汉理工大学 一种无锂耐热日用陶瓷及其制备方法
WO2024097048A1 (en) 2022-10-31 2024-05-10 Corning Incorporated Method of inducing a reduced wall drag state in a high wall drag ceramic precursor paste
WO2024097046A1 (en) 2022-10-31 2024-05-10 Corning Incorporated Higher temperature extrusion of ceramic precursor paste

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3316965A (en) * 1963-08-05 1967-05-02 Union Oil Co Material and process for treating subterranean formations
JPS5334812A (en) * 1976-09-14 1978-03-31 Asahi Glass Co Ltd Aluminummtitanate bodies stable at high temperature
JPS544914A (en) * 1977-06-14 1979-01-16 Asahi Glass Co Ltd Highhdense lowwexpandable sintered body
DE2750290B2 (de) * 1977-11-10 1981-06-19 Rosenthal Technik Ag, 8672 Selb Feuerfestartikel und Metall-Keramikverbundkörper aus silikathaltigem Aluminiumtitanat
JPS5689844A (en) * 1979-12-25 1981-07-21 Asahi Glass Co Ltd Ceramic honeycomb and its production
JPS605545B2 (ja) * 1980-03-19 1985-02-12 日本碍子株式会社 低膨脹セラミックスおよびその製法
JPS5919068B2 (ja) * 1980-03-26 1984-05-02 日本碍子株式会社 低膨脹性セラミックス
US4483944A (en) * 1983-07-27 1984-11-20 Corning Glass Works Aluminum titanate-mullite ceramic articles
JPS60103090A (ja) * 1983-11-07 1985-06-07 京セラ株式会社 高アルミナ含有焼結体及びその製造方法
JPS60141668A (ja) * 1983-12-28 1985-07-26 日本碍子株式会社 セラミックハニカム構造体を接合若しくはコーティングまたは封着するためのセラミック材料組成物
JPS61129015A (ja) * 1984-11-24 1986-06-17 Nippon Denso Co Ltd 排出ガス浄化用フイルタおよびその製造方法
JPS6221756A (ja) * 1985-07-22 1987-01-30 日本碍子株式会社 チタン酸アルミニウム―ムライト系セラミック体の製造方法
EP0231006B1 (en) * 1986-01-28 1991-08-14 Matsushita Electric Industrial Co., Ltd. Method for producing ceramics with thermal shock resistance
US4758542A (en) * 1987-02-13 1988-07-19 W. R. Grace & Co. Low thermal expansion ZrTiO4 --Al2 TiO5 --ZrO2 compositions
JP2828986B2 (ja) * 1988-03-31 1998-11-25 株式会社東芝 セラミックス焼結体
US4915887A (en) * 1988-04-04 1990-04-10 Corning Incorporated Method of preparing high temperature low thermal expansion ceramic
US4855265A (en) * 1988-04-04 1989-08-08 Corning Incorporated High temperature low thermal expansion ceramic
US5288672A (en) * 1988-04-26 1994-02-22 Bayer Aktiensesellschaft Ceramics based on aluminum titanate, process for their production and their use
JPH03168793A (ja) * 1989-11-29 1991-07-22 Pioneer Electron Corp 光源用反射部材
EP0463437B2 (de) * 1990-06-22 1998-12-02 Bayer Ag Sinterformkörper auf Basis von Aluminiumtitanat, Verfahren zu ihrer Herstellung sowie deren Verwendung
US5223318A (en) * 1990-08-06 1993-06-29 Corning Incorporated Titania substrates and fabrication
JP3272746B2 (ja) * 1991-07-19 2002-04-08 イビデン株式会社 ディーゼルパティキュレートフィルタ
JP2533992B2 (ja) * 1991-08-28 1996-09-11 日本碍子株式会社 アルミニウムチタネ―トセラミックス及びその製造方法
JP3192700B2 (ja) * 1991-09-30 2001-07-30 日本碍子株式会社 アルミニウムチタネートセラミックス及びその製造法
US5290739A (en) * 1992-09-22 1994-03-01 Corning Incorporated High temperature stabilized mullite-aluminum titanate
JP3438382B2 (ja) * 1995-02-08 2003-08-18 株式会社ブリヂストン 高温用セラミックフィルター
US5846276A (en) * 1995-07-05 1998-12-08 Matsushita Electric Industrial Co., Ltd. Exhaust gas filter
JPH09157060A (ja) * 1995-12-06 1997-06-17 Sumitomo Chem Co Ltd 無機焼結多孔体およびフィルタ
JP3555382B2 (ja) * 1997-04-22 2004-08-18 松下電器産業株式会社 排ガスフィルターとその製造方法及びこの排ガスフィルターを備えたディーゼルエンジン
JP3388310B2 (ja) * 1997-08-18 2003-03-17 勉 福田 チタン酸アルミニウム粉体及びチタン酸アルミニウム焼結体の製造方法
BR0110263A (pt) * 2000-06-01 2003-03-05 Corning Inc Corpo de cordierita
JP3600933B2 (ja) 2000-11-08 2004-12-15 オーセラ株式会社 チタン酸アルミニウム系焼結体の製造方法
JP4094830B2 (ja) 2000-11-24 2008-06-04 日本碍子株式会社 多孔質ハニカムフィルター及びその製造方法
JP4007058B2 (ja) 2001-08-06 2007-11-14 株式会社デンソー 排ガス浄化フィルタ
US6620751B1 (en) * 2002-03-14 2003-09-16 Corning Incorporated Strontium feldspar aluminum titanate for high temperature applications
AU2003279633A1 (en) * 2002-06-26 2004-01-19 Corning Incorporated Magnesium aluminum silicate structures for dpf applications
AU2003249236A1 (en) * 2002-07-31 2004-02-16 Corning Incorporated Aluminum titanate-based ceramic article
US6849181B2 (en) * 2002-07-31 2005-02-01 Corning Incorporated Mullite-aluminum titanate diesel exhaust filter
US7179316B2 (en) * 2003-06-25 2007-02-20 Corning Incorporated Cordierite filters with reduced pressure drop
US6942713B2 (en) * 2003-11-04 2005-09-13 Corning Incorporated Ceramic body based on aluminum titanate
US7259120B2 (en) * 2004-04-21 2007-08-21 Corning Incorporated Aluminum titanate ceramic articles and methods of making same
US20060021308A1 (en) * 2004-07-29 2006-02-02 Merkel Gregory A Mullite-aluminum titanate body and method for making same
EP1890983B1 (en) * 2005-05-31 2012-12-12 Corning Incorporated Aluminum titanate ceramic forming batch mixtures and green bodies including pore former combinations and methods of manufacturing and firing same

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101885620A (zh) * 2009-05-12 2010-11-17 程丽 多级孔道结构的陶瓷材料及其制造方法
CN101885620B (zh) * 2009-05-12 2013-09-11 湖州师范学院 多级孔道结构的陶瓷材料及其制造方法
CN105283429A (zh) * 2012-11-30 2016-01-27 康宁股份有限公司 堇青石铝镁酞酸盐组合物及包含该组合物的陶瓷制品
CN105283429B (zh) * 2012-11-30 2018-07-03 康宁股份有限公司 堇青石铝镁酞酸盐组合物及包含该组合物的陶瓷制品
CN107743478A (zh) * 2015-05-15 2018-02-27 伊梅斯公司 陶瓷组合物
CN108367224A (zh) * 2015-12-09 2018-08-03 康宁股份有限公司 多孔陶瓷材料、过滤器和制品
US11668214B2 (en) 2015-12-09 2023-06-06 Corning Incorporated Porous ceramic composition, filter, and articles
CN109415274A (zh) * 2016-07-05 2019-03-01 揖斐电株式会社 蜂窝结构体和蜂窝结构体的制造方法
CN110418674A (zh) * 2016-11-10 2019-11-05 康宁股份有限公司 复合陶瓷材料、制品和制造方法
CN113336534A (zh) * 2021-06-28 2021-09-03 武汉理工大学 一种不含锂矿物的低热膨胀日用陶瓷及其制备方法

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