CN105345681A - 一种含防暴纤维的纳米陶瓷结合剂金刚石砂轮及其制备方法 - Google Patents

一种含防暴纤维的纳米陶瓷结合剂金刚石砂轮及其制备方法 Download PDF

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CN105345681A
CN105345681A CN201510615355.6A CN201510615355A CN105345681A CN 105345681 A CN105345681 A CN 105345681A CN 201510615355 A CN201510615355 A CN 201510615355A CN 105345681 A CN105345681 A CN 105345681A
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binding agent
grinding wheel
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grade ceramic
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任丽萍
任威铭
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ANHUI WEIMING WEAR-RESISTANT MATERIAL Co Ltd
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ANHUI WEIMING WEAR-RESISTANT MATERIAL Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/14Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D18/00Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • B24D18/0009Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/34Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/34Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
    • B24D3/342Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica

Abstract

本发明公开了一种含防暴纤维的纳米陶瓷结合剂金刚石砂轮,该砂轮在制备过程中先利用纳米石墨粉、β-锂霞石等原料与纳米量级的二氧化硅、三氧化二铝等原料混合煅烧,制备成纳米量级的复合纳米陶瓷结合剂,这种纳米陶瓷结合剂较常规的陶瓷结合剂具有更高的强度、韧性和更低的烧结温度,高温润湿性更佳,热膨胀系数低,加入的防暴纤维可以加速升温速度,提高磨料与结合剂的把持性;加入的冰晶石、闭孔珍珠岩等原料有耐磨、减震等功效,改善砂轮的使用性能;本发明制备的金刚石砂轮磨削性能好,磨削精度高,磨削速度可获明显提升。

Description

一种含防暴纤维的纳米陶瓷结合剂金刚石砂轮及其制备方法
技术领域
本发明涉及陶瓷结合剂金刚石砂轮制备技术领域,尤其涉及一种含防暴纤维的纳米陶瓷结合剂金刚石砂轮及其制备方法。
背景技术
金刚石磨料具有硬度高、强度高、耐磨性好等特性,被广泛的应用于制作磨削硬脆材料及硬质合金的磨具,金刚石砂轮就是其中常见的一类磨具,按照金刚石砂轮所使用的结合剂的分类可分为树脂结合剂金刚石砂轮、金属结合剂金刚石砂轮以及陶瓷结合剂金刚石砂轮等,其中陶瓷结合剂砂轮是由陶瓷结合剂、金刚石磨料、填料按照一定的比例配制而成,经过高温烧结而成,这种砂轮能解决一些树脂结合剂砂轮以及金属结合剂砂轮存在的缺陷,具有磨削效率高、切削锋利、自锐性好、散热快等优势,特别适合高硬度、高精度材料的粗磨和精磨。
在陶瓷结合剂金刚石砂轮的制备过程中,磨料、陶瓷结合剂的选择、烧成条件等等因素均会影响陶瓷结合剂金刚石砂轮的磨削性能,尤其是陶瓷结合剂的性能更为重要,传统的结合剂普遍存在烧结温度高、强度低、对磨料的浸润包覆性差等,直接导致金刚石磨料性能劣化,磨削性能大大降低。
发明内容
本发明目的就是为了弥补已有技术的缺陷,提供一种含防暴纤维的纳米陶瓷结合剂金刚石砂轮及其制备方法。
本发明是通过以下技术方案实现的:
一种含防暴纤维的纳米陶瓷结合剂金刚石砂轮,该砂轮由以下重量份的原料制成:粒径为10-20μm的金刚石磨料40-50、粒径为10-20μm的棕刚玉磨料14-16、冰晶石微粉5-6、纳米陶瓷结合剂20-25、三氧化二铁0.4-0.5、闭孔珍珠岩细粉7-8、防暴纤维5-6、乙醇10-15、聚乙烯醇2-3、十二烷基磺酸钠0.2-0.3、去离子水100-120。
所述的一种含防暴纤维的纳米陶瓷结合剂金刚石砂轮,其特征在于,所述的纳米陶瓷结合剂由以下重量份的原料制成:硅酸镁1-2、纳米石墨粉1-2、β-锂霞石2-3、纳米二氧化硅30-40、纳米三氧化二铝8-10、纳米氧化钛5-6、纳米氧化锌1-2、铋酸钠0.1-0.2、三氧化二硼10-15、纳米碳化硅0.3-0.5、氧化锂2-3,其制备方法为:将所有原料混合均匀,投入氧化铝坩埚中,在高温电阻炉中煅烧处理,煅烧条件为以5-8℃的速率升温至900-1000℃,保温煅烧2-3h,煅烧结束后取出进行水淬、干燥、高能球磨处理,得到粒径为纳米尺度的粉状陶瓷结合剂。
所述的一种含防暴纤维的纳米陶瓷结合剂金刚石砂轮及其制备方法,其特在于,所述的制备方法为:
(1)先将聚乙烯醇、十二烷基磺酸钠、乙醇溶解分散于去离子水中,混合溶液加热至50-60℃,随后加入纳米陶瓷结合剂、防暴纤维,高速超声搅拌分散1.5-2h,制成分散均匀的纳米溶液备用;
(2)将金刚石磨料、棕刚玉磨料与步骤(1)制备的溶液混合,搅拌混合均匀后将混合浆料在450-500℃条件下热烘干,完全除去水分,所得物料破碎,过200目筛;
(3)将步骤(2)所得过筛粉体与其它剩余物料混合均匀,经冷压成型后以4-5℃/min的升温速率升温至150-180℃,保温20-30min后继续升温至550-600℃,保温1.5-2h后,继续升温至650-680℃,保温100-120min,随后自然冷却至室温,即得。
本发明将纳米石墨粉、β-锂霞石等原料与纳米量级的二氧化硅、三氧化二铝等原料混合煅烧,制备成纳米量级的复合纳米陶瓷结合剂,这种纳米陶瓷结合剂较常规的陶瓷结合剂具有更高的强度、韧性和更低的烧结温度,高温润湿性更佳,热膨胀系数低,加入的防暴纤维可以加速升温速度,提高磨料与结合剂的把持性;加入的冰晶石、闭孔珍珠岩等原料有耐磨、减震等功效,改善砂轮的使用性能;本发明制备的金刚石砂轮磨削性能好,磨削精度高,磨削速度可获明显提升。
具体实施方式
该实施例的砂轮由以下重量份的原料制成:粒径为10μm的金刚石磨料40、粒径为10μm的棕刚玉磨料14、冰晶石微粉5、纳米陶瓷结合剂20、三氧化二铁0.4、闭孔珍珠岩细粉7、防暴纤维5、乙醇10、聚乙烯醇2、十二烷基磺酸钠0.2、去离子水100。
其中纳米陶瓷结合剂由以下重量份的原料制成:硅酸镁1、纳米石墨粉1、β锂霞石2、纳米二氧化硅30、纳米三氧化二铝8、纳米氧化钛5、纳米氧化锌1、铋酸钠0.1、三氧化二硼10、纳米碳化硅0.3、氧化锂2,其制备方法为:将所有原料混合均匀,投入氧化铝坩埚中,在高温电阻炉中煅烧处理,煅烧条件为以5℃的速率升温至900℃,保温煅烧2h,煅烧结束后取出进行水淬、干燥、高能球磨处理,得到粒径为纳米尺度的粉状陶瓷结合剂。
该金刚石砂轮的制备方法为:
(1)先将聚乙烯醇、十二烷基磺酸钠、乙醇溶解分散于去离子水中,混合溶液加热至50℃,随后加入纳米陶瓷结合剂、防暴纤维,高速超声搅拌分散1.5h,制成分散均匀的纳米溶液备用;
(2)将金刚石磨料、棕刚玉磨料与步骤(1)制备的溶液混合,搅拌混合均匀后将混合浆料在450℃条件下热烘干,完全除去水分,所得物料破碎,过200目筛;
(3)将步骤(2)所得过筛粉体与其它剩余物料混合均匀,经冷压成型后以4℃/min的升温速率升温至150℃,保温20min后继续升温至550℃,保温1.5h后,继续升温至650℃,保温100min,随后自然冷却至室温,即得。
本实施例制备得到的砂轮性能指标如下:
测试中被磨削材料为高速钢,磨削方式为平面磨削方式,砂轮圆周速度:150m/s,工作台速度:0.05m/s,磨削深度:0.025mm。
本实施例制备的砂轮较传统的金刚石砂轮磨削比平均提高142%,磨损量平均降低55%,高速钢表面的粗糙度仅为0.06μm,最大磨削速度可达168m/s。

Claims (3)

1.一种含防暴纤维的纳米陶瓷结合剂金刚石砂轮,其特征在于,该砂轮由以下重量份的原料制成:粒径为10-20μm的金刚石磨料40-50、粒径为10-20μm的棕刚玉磨料14-16、冰晶石微粉5-6、纳米陶瓷结合剂20-25、三氧化二铁0.4-0.5、闭孔珍珠岩细粉7-8、防暴纤维5-6、乙醇10-15、聚乙烯醇2-3、十二烷基磺酸钠0.2-0.3、去离子水100-120。
2.如权利要求1所述的一种含防暴纤维的纳米陶瓷结合剂金刚石砂轮,其特征在于,所述的纳米陶瓷结合剂由以下重量份的原料制成:硅酸镁1-2、纳米石墨粉1-2、β-锂霞石2-3、纳米二氧化硅30-40、纳米三氧化二铝8-10、纳米氧化钛5-6、纳米氧化锌1-2、铋酸钠0.1-0.2、三氧化二硼10-15、纳米碳化硅0.3-0.5、氧化锂2-3,其制备方法为:将所有原料混合均匀,投入氧化铝坩埚中,在高温电阻炉中煅烧处理,煅烧条件为以5-8℃的速率升温至900-1000℃,保温煅烧2-3h,煅烧结束后取出进行水淬、干燥、高能球磨处理,得到粒径为纳米尺度的粉状陶瓷结合剂。
3.如权利要求1所述的一种含防暴纤维的纳米陶瓷结合剂金刚石砂轮及其制备方法,其特在于,所述的制备方法为:
(1)先将聚乙烯醇、十二烷基磺酸钠、乙醇溶解分散于去离子水中,混合溶液加热至50-60℃,随后加入纳米陶瓷结合剂、防暴纤维,高速超声搅拌分散1.5-2h,制成分散均匀的纳米溶液备用;
(2)将金刚石磨料、棕刚玉磨料与步骤(1)制备的溶液混合,搅拌混合均匀后将混合浆料在450-500℃条件下热烘干,完全除去水分,所得物料破碎,过200目筛;
(3)将步骤(2)所得过筛粉体与其它剩余物料混合均匀,经冷压成型后以4-5℃/min的升温速率升温至150-180℃,保温20-30min后继续升温至550-600℃,保温1.5-2h后,继续升温至650-680℃,保温100-120min,随后自然冷却至室温,即得。
CN201510615355.6A 2015-09-24 2015-09-24 一种含防暴纤维的纳米陶瓷结合剂金刚石砂轮及其制备方法 Pending CN105345681A (zh)

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CN101596745A (zh) * 2009-07-15 2009-12-09 湖南大学 金刚石砂轮陶瓷结合剂及金刚石砂轮的制备方法
CN102729156A (zh) * 2012-01-18 2012-10-17 山东大学 一种低融高强微晶氧化铝陶瓷磨具用结合剂及其制备方法
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CN104802104A (zh) * 2015-05-11 2015-07-29 中国矿业大学(北京) 一种纳米陶瓷结合剂超硬材料砂轮的制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5178644A (en) * 1992-01-23 1993-01-12 Cincinnati Milacron Inc. Method for making vitreous bonded abrasive article and article made by the method
CN101298391A (zh) * 2008-07-01 2008-11-05 江西恒大高新技术股份有限公司 一种循环流化床锅炉用快速升温耐磨新材料及其制备方法
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CN102729156A (zh) * 2012-01-18 2012-10-17 山东大学 一种低融高强微晶氧化铝陶瓷磨具用结合剂及其制备方法
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