CN115235294B - 一种止裂防弹陶瓷板及其制备方法与应用 - Google Patents
一种止裂防弹陶瓷板及其制备方法与应用 Download PDFInfo
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Abstract
本发明公开一种止裂防弹陶瓷板及其制备方法与应用,方法包括如下步骤:S1、将带胶碳纤维UD布沿纤维纹理方向连续通过一对齿轮咬合后,形成W形碳纤维布;S2、将W形碳纤维布挤压成板状的碳纤维板A,贴合到陶瓷板背面,再多层交叉铺设带胶碳纤维UD布,形成碳纤维板B;S3、用带胶碳纤维UD布对堆叠板进行全方位包覆;S4、使用带胶碳纤维UD布沿堆叠板四周给予包裹、束缚;S5、碳纤维背部依次铺叠一层芳纶布、胶膜、UHMWPE板、胶膜,得到第二复合板结构;S6、使用芳纶布将第二复合板结构全方位包覆;S7、利用真空袋成型工艺,制得止裂防弹插板。全方位限位止裂,提高止裂效果,提高抵御穿甲弹、穿甲燃烧弹多次打击能力。
Description
技术领域
本发明属于复合材料技术领域,具体涉及一种止裂防弹陶瓷板及其制备方法与应用。
背景技术
中国专利文献号为CN108859357A的发明专利申请公开了一种可防御12.7mm穿甲燃烧弹陶瓷基复合材料,该材料由聚脲层、芳纶层、石墨烯增韧碳化硼陶瓷层以及PE层通过高分子粘结而成。在穿甲燃烧弹地打击下,高分子粘结剂、特别是陶瓷表面的高分子粘结剂直接老化失效,致使陶瓷表面粘结的芳纶布止裂作用自动消失,该复合材料无法抵御后续穿甲燃烧弹的打击,不能满足复合防弹插板抵御多次枪击的需求。
陶瓷与UHMWPE板之间的缓冲层除高分子以外还有金属或平铺碳纤维。但金属重量大,不符合轻量化要求。平铺碳纤维抗剪切力差,易被子弹穿透。
为了解决现有技术存在的上述问题,本发明由此而来。
发明内容
针对上述存在的技术问题至少之一,本发明目的是提供一种止裂防弹陶瓷板及其制备方法与应用,本发明能够使得防弹插板在受到子弹冲击时,利用碳纤维板A的高抗压强度和连续碳纤维的剪切吸能以及碳纤维板B的高抗压、抗拉抵御子弹的侵彻作用。被包裹的碳纤维板A和B在碳纤维的高抗拉力保护下,受到子弹冲击时能保持碳纤维板A和B的完整性,使得碳纤维板A和B持续发挥作用,增加防弹插板抵御多次打击的能力。同时碳纤维、芳纶的包覆对防弹插板起到全方位限位止裂,并且介于陶瓷与UHMWPE板之间的碳纤维层能够快速的导出子弹带来的热量,保障高分子粘结剂的有效性,从而保证防弹插板的完整性,进而提高防弹插板抵御穿甲弹、穿甲燃烧弹多次打击的能力。
本发明的技术方案是:
本发明的其中一个目的在于提供一种止裂防弹陶瓷板的制备方法,包括如下步骤:
S1、将带胶碳纤维UD布沿纤维纹理方向、连续通过一对齿轮咬合后,形成连续的W形碳纤维布;
S2、将W形碳纤维布挤压成板状的碳纤维板A,贴合到陶瓷板的背面,再在碳纤维板A的背面用尺寸与陶瓷板一致的带胶碳纤维UD布依次交替按照0°和90°的纤维轴水平旋转角度进行多层交叉铺叠,令多层交叉铺叠而成的碳纤维板为碳纤维板B;
S3、再用带胶碳纤维UD布依次交替按照0°和90°的纤维轴水平旋转角度对陶瓷板、碳纤维板A、碳纤维板B构成的堆叠板进行全方位包覆;
S4、使用宽度与堆叠板高度一致的带胶碳纤维UD布沿堆叠板四周给予包裹、束缚,以使堆叠板四周形成有带胶碳纤维UD布包裹束缚层,得到第一复合板结构;
S5、带胶碳纤维UD布包裹束缚层的背部依次铺叠一层芳纶布、胶膜、UHMWPE板、胶膜,得到第二复合板结构;
S6、使用芳纶布将第二复合板结构全方位包覆;
S7、利用真空袋成型工艺,在抽真空、加热条件下,使复合板结构内所有胶固化成型,最终制得止裂防弹插板。
优选的,带胶碳纤维UD布的厚度为0.1~0.2mm;
带胶碳纤维UD布的轴向导热系数大于30W/m•k、弹性模量大于310GPa;
碳纤维板A为5~15mm,碳纤维板B的厚度为2~15mm,密度均为1.53~1.55g/cm3;
S3中带胶碳纤维UD布的包裹层数为4~8层。
优选的,一对齿轮外啮合且为直齿圆柱齿轮,齿高为5~30mm,齿轮间距为0.10~0.40 mm。
优选的,陶瓷板的厚度为5~15mm,密度为2.49~3.12g/cm3。
优选的,UHMWPE板的厚度3~15mm,密度为0.97g/m3。
优选的,胶膜的涂覆厚度为0.02~0.5mm。
优选的,芳纶布的厚度为0.1~0.5mm,密度为1.53g/cm3。
优选的,利用真空袋成型工艺,抽真空条件下真空度为1×10-1~1×10-5Pa,温度为70~150℃,保温0.2~2h。
本发明的另一个目的在于提供一种止裂防弹插板,采用上述任一项所述的制备方法制得。
本发明的还有一个目的在于提供所述的止裂防弹插板在防弹复合装甲中的应用。
与现有技术相比,本发明的优点是:
1)本发明的止裂防弹陶瓷板,碳纤维布、芳纶布对防弹插板表面进行全方位包覆,能够对防弹插板全方位限位止裂,提高止裂效果;
2)利用碳纤维板A的高抗压强度和连续碳纤维的剪切吸能以及碳纤维板B的高抗压、抗拉抵御子弹的侵彻作用,极大的减少了防弹插板在受到子弹击打后的背凸厚度;
3)被包裹的碳纤维板A和B在碳纤维的高抗拉力保护下,受到子弹冲击时能保持碳纤维板A和B的完整性,使得碳纤维板A和B持续发挥作用,增加防弹插板抵御多次打击的能力;
4)介于陶瓷与UHMWPE板之间的碳纤维层能够快速的导出子弹带来的热量,保障高分子粘结剂的有效性,从而保证防弹插板的完整性,进而提高防弹插板抵御穿甲弹、穿甲燃烧弹多次打击的能力。
附图说明
下面结合附图及实施例对本发明作进一步描述:
图1为本发明实施例的止裂防弹陶瓷板的制备方法的S1中的一对齿轮的结构示意图;
图2为本发明实施例的止裂防弹陶瓷板的制备方法中S2和S3中交叉铺叠的结构示意图;
图3为本发明实施例的止裂防弹陶瓷板的剖切结构示意图。
其中:1、陶瓷板;2、碳纤维板A;3、碳纤维板B;4、全包覆碳纤维层;5、芳纶布;6、第一胶膜;7、UHMWPE板;8、第二胶膜;9、全包覆芳纶层;10、W型碳纤维布;100、带胶碳纤维UD布;101、第一带胶碳纤维UD布;102、第二带胶碳纤维UD布;11、直齿圆柱齿轮;12、带胶碳纤维UD布包裹束缚层。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚明了,下面结合具体实施方式并参照附图,对本发明进一步详细说明。应该理解,这些描述只是示例性的,而并非要限制本发明的范围。此外,在以下说明中,省略了对公知结构和技术的描述,以避免不必要地混淆本发明的概念。
实施例
参见图1至图3,本发明实施例的一种止裂防弹陶瓷板的制备方法,如下步骤:
S1、将宽度为300mm,长度为25mm,直径为0.1mm的带胶碳纤维UD布100沿纤维纹理方向、连续通过一对高为5mm,齿轮间距为0.1mm的直齿圆柱齿轮11咬合后,形成连续的W形碳纤维布10,如图1所示;
S2、W形碳纤维布10挤压成板状,贴合到陶瓷板1(该陶瓷板1长500mm、宽300mm、厚10mm,面积0.15m2,由苏州第一元素纳米技术有限公司研发的高纯碳纳米管碳化硼热压烧结而成,密度为2.49g/cm3的纳米增韧碳化硼陶瓷板,其制备方法见已经授权公告的发明专利CN104829237B,此处不再赘述)背面,形成厚度为5mm的碳纤维板A 2,再在碳纤维板A 2的背面用尺寸与陶瓷板1一致的带胶碳纤维UD布10依次交替按照0°和90°的纤维轴水平旋转角度进行多层交叉铺叠而成,具体为轴长500mm、宽300mm、厚0.1mm以及轴长300mm、宽500mm、厚0.1mm的带胶碳纤维UD布10依次按照0°、90°、0°、90°……的纤维轴水平旋转角度进行多层交叉铺叠,铺叠成厚度为3mm的碳纤维板B 3。此步骤中,见图2所示,为了便于描述和区分,此处将其中一层带胶碳纤维UD布100描述为第一带胶碳纤维UD布101,其的纤维轴为水平纵向方向也即与卷状的碳纤维UD布的轴向一致,另一层带胶碳纤维UD布100描述为第二带胶碳纤维UD布102,其的纤维轴为水平横向方向也即与第一带胶碳纤维UD布101轴向垂直。碳纤维板B 3并不是先铺叠成板状再直接贴设到碳纤维板A 2的背面,而是将第一带胶碳纤维UD布101或第二带胶碳纤维UD布102先贴设到碳纤维板A 2的背面,之后再在第一带胶碳纤维UD布101或第二带胶碳纤维UD布102的背面贴设第二带胶碳纤维UD布102或第一带胶碳纤维UD布101。此处为了更清楚的描述和区分,如图2所示,每一带胶碳纤维UD布100为长方形,第一带胶碳纤维UD布101的纤维轴向对应长方形的长边,第二带胶碳纤维UD布102的纤维轴向对应长方形的短边。按照上述步骤多次交叉铺设得到所需厚度的碳纤维板B3。此步骤中,采用上述方法设置的目的在于,如果直接将由多层带胶碳纤维UD布100构成的碳纤维板B 3铺设到碳纤维板A 2的背面,贴合处空气比较多,容易产生气泡,导致贴合时起褶皱,贴合效果不佳,而采用上述的方法可以减少甚至避免上述问题,贴合平整,不起褶皱。
S3、再用带胶碳纤维UD布100依次交替按照0°和90°的纤维轴水平旋转角度对陶瓷板1、碳纤维板A 2、碳纤维板B 3构成的堆叠板进行全方位包覆,具体的,用轴长1040mm、宽300mm、厚0.1mm(对应堆叠板的上下两个面和长度方向上的两个面)以及轴长640mm、宽500mm、厚0.1mm(对应堆叠板的上下两个面和宽度方向上的两个面)的带胶碳纤维UD布100依次按照0°、90°、0°、90°……的纤维轴水平旋转角度对陶瓷板1和碳纤维板A 2和碳纤维板B 3构成的堆叠板进行全方位包覆,包覆层数为4层,使得堆叠板外周形成有全包覆碳纤维层4,也就是说,如图3所示的堆叠板高度方向也即上下两个面上的全包覆碳纤维层4为由四层带胶碳纤维UD布100堆叠而成,此时,堆叠板的四个侧面只有两层带胶碳纤维UD布100;
S4、使用宽度与堆叠板高度一致(具体宽度为18mm)的带胶碳纤维UD布100沿堆叠板四周也即如图3所示的堆叠板的四个侧面给予包裹、束缚,以使堆叠板的四周形成有带胶碳纤维UD布包裹束缚层12,得到第一复合板结构;
S5、带胶碳纤维UD布包裹束缚层12的背部也即如图3所示的带胶碳纤维UD布包裹束缚层12的底面由上而下依次铺叠一层长500mm、宽300mm、厚0.2mm的芳纶布5、厚0.2mm的胶膜(为了便于区分,此处描述为第一胶膜6)、长500mm、宽300mm、厚3mm的 UHMWPE板7(超高分子量聚乙烯板)、厚0.2mm的胶膜(为了便于区分,此处描述为第二胶膜8),得到第二复合板结构;
S6、使用一层长1050mm、宽300mm、厚0.2mm的芳纶布5将第二复合板结构全方位包覆,也就是说,如图3所示,第二复合板结构为由第一复合板结构和第一复合板结构外围的全包覆芳纶层9构成;
S7、利用真空袋成型工艺,在抽真空、加热条件下,使复合板结构(此处复合板结构指的是S6步骤中最终形成的复合板结构,为了便于描述和区分,此处描述为第三复合板结构)内所有胶固化成型,最终制得止裂防弹插板,具体的,第三复合板结构在真空袋内中抽真空至1×10-4Pa,然后在125℃条件下保温30min。
带胶碳纤维UD布100的厚度为0.1~0.2mm。带胶碳纤维UD布100的轴向导热系数大于30W/m•k、弹性模量大于310GPa。碳纤维板A 2的厚度为5~15mm,碳纤维板B 3的厚度为2~15mm,密度均为1.53~1.55g/cm3。S3中带胶碳纤维UD布100的包裹层数为4~8层。也就是说,根据本发明的一些实施例,带胶碳纤维UD布的包裹层数除了上述说明的4层,还可以为其他比如5层、6层、7层、8层。同理,带胶碳纤维UD布100的厚度除了上述说明的0.1mm,还可以其他厚度比如0.11mm、0.12mm、0.13mm、0.14mm、0.15mm、0.16mm、0.17mm、0.18mm、0.19mm、0.2mm等等。同理,碳纤维板A 2的厚度除了上述说明的5mm,还可以为其他厚度,比如6mm、7mm、8mm、9mm、10mm、11mm、12mm、13mm、14mm、15mm等等。碳纤维板B 3的厚度除了上述说明的3mm,还可以为其他厚度,比如2mm、4mm、5mm、6mm、7mm、8mm、9mm、10mm、11mm、12mm、13mm、14mm、15mm等等。
一对齿轮外啮合且为直齿圆柱齿轮11,齿高为5~30mm,齿轮间距为0.10~0.40 mm。也就是说,根据本发明的一些实施例,齿高除了上述说明的5mm,还可以为其他齿高,比如10mm、15mm、20mm、25mm、30mm等等。齿间间距除了上述说明的0.10mm,还可以为其他间距,比如0.20mm、0.30mm、0.40mm等等。
陶瓷板1的厚度为5~15mm,密度为2.49~3.12g/cm3。也就是说,根据本发明的一些实施例,陶瓷板1的厚度除了上述说明的10mm,还可以为其他厚度,比如5mm、6mm、7mm、8mm、9mm、11mm、12mm、13mm、14mm、15mm等等。
UHMWPE板7的厚度3~15mm,密度为0.97g/m3。也就是说,根据本发明的一些实施例,UHMWPE板7的厚度除了上述说明的3mm,还可以为其他厚度,比如4mm、5mm、6mm、7mm、8mm、9mm、11mm、12mm、13mm、14mm、15mm等等。
胶膜(第一胶膜6和第二胶膜8)的涂覆厚度为0.02~0.5mm。也就是说,根据本发明的一些实施例,第一胶膜6和第二胶膜8的厚度除了上述说明的0.2mm,还可以为其他厚度,比如0.02mm、0.03mm、0.04mm、0.05mm、0.06mm、0.07mm、0.08mm、0.1mm、0.3mm、0.4mm、0.5mm等等。对于胶膜而言,为现有技术中常规的高分子粘结剂,具体成分不做描述和限定,本领域技术人员知晓并容易实现。
芳纶布5的厚度为0.1~0.5mm,密度为1.53g/cm3。也就是说,根据本发明的一些实施例,芳纶布5的厚度除了上述说明的0.2mm,还可以为其他厚度,比如0.1mm、0.3mm、0.4mm、0.5mm等等。
利用真空袋成型工艺,抽真空条件下真空度为1×10-1~1×10-5Pa,温度为70~150℃,保温0.2~2h。也就是说,根据本发明的一些实施例,抽真空条件下真空度除了上述说明的1×10-4Pa,还可以为其他真空度,比如1×10-1Pa、1×10-2Pa、1×10-3Pa、1×10-5Pa等等。温度除了上述说明的125℃,还可以为其他温度,比如70℃、75℃、80℃、85℃、90℃、95℃、100℃、105℃、110℃、115℃、120℃、130℃、135℃、140℃、145℃、150℃等等。同理,保温时间除了上述说明的30min,还可以为其他时间,比如0.2h、0.3h、0.4h、0.6h、0.7h、0.8h、0.9h、1h、1.5h、2h等等。
本发明实施例还提供了将实施例1的制备方法制得的止裂防弹插板应用到防弹复合装甲中,制备防穿甲弹复合装甲。
经测试,防穿甲弹复合装甲面密度为42.3kg/m2。
经测试,防穿甲弹复合装甲经2发12.7*108mm的穿甲燃烧弹枪击,无穿孔,超高分子量聚乙烯板的最大变形量(凹陷)小于25mm,满足防穿甲燃烧弹的要求。
应当理解的是,本发明的上述具体实施方式仅仅用于示例性说明或解释本发明的原理,而不构成对本发明的限制。因此,在不偏离本发明的精神和范围的情况下所做的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。此外,本发明所附权利要求旨在涵盖落入所附权利要求范围和边界、或者这种范围和边界的等同形式内的全部变化和修改例。
Claims (10)
1.一种止裂防弹陶瓷板的制备方法,其特征在于,包括如下步骤:
S1、将带胶碳纤维UD布沿纤维纹理方向、连续通过一对齿轮咬合后,形成连续的W形碳纤维布;
S2、将W形碳纤维布挤压成板状的碳纤维板A,贴合到陶瓷板的背面,再在碳纤维板A的背面用尺寸与陶瓷板一致的带胶碳纤维UD布依次交替按照0°和90°的纤维轴水平旋转角度进行多层交叉铺叠,令多层交叉铺叠而成的碳纤维板为碳纤维板B;
S3、再用带胶碳纤维UD布依次交替按照0°和90°的纤维轴水平旋转角度对陶瓷板、碳纤维板A、碳纤维板B构成的堆叠板进行全方位包覆;
S4、使用宽度与堆叠板高度一致的带胶碳纤维UD布沿堆叠板四周给予包裹、束缚,以使堆叠板四周形成有带胶碳纤维UD布包裹束缚层,得到第一复合板结构;
S5、带胶碳纤维UD布包裹束缚层的背部依次铺叠一层芳纶布、胶膜、UHMWPE板、胶膜,得到第二复合板结构;
S6、使用芳纶布将第二复合板结构全方位包覆,得到第三复合板结构;
S7、利用真空袋成型工艺,在抽真空、加热条件下,使第三复合板结构内所有胶固化成型,最终制得止裂防弹插板。
2.根据权利要求1所述的止裂防弹陶瓷板的制备方法,其特征在于,带胶碳纤维UD布的厚度为0.1~0.2mm;
带胶碳纤维UD布的轴向导热系数大于30W/m•k、弹性模量大于310GPa;
碳纤维板A为5~15mm,碳纤维板B的厚度为2~15mm,密度均为1.53~1.55g/cm3;
S3中带胶碳纤维UD布的包裹层数为4~8层。
3.根据权利要求1所述的止裂防弹陶瓷板的制备方法,其特征在于,一对齿轮外啮合且为直齿圆柱齿轮,齿高为5~30mm,齿轮间距为0.10~0.40 mm。
4.根据权利要求1所述的止裂防弹陶瓷板的制备方法,其特征在于,陶瓷板的厚度为5~15mm,密度为2.49~3.12g/cm3。
5.根据权利要求1所述的止裂防弹陶瓷板的制备方法,其特征在于,UHMWPE板的厚度3~15mm,密度为0.97g/m3。
6.根据权利要求1所述的止裂防弹陶瓷板的制备方法,其特征在于,胶膜的涂覆厚度为0.02~0.5mm。
7.根据权利要求6所述的止裂防弹陶瓷板的制备方法,其特征在于,芳纶布的厚度为0.1~0.5mm,密度为1.53g/cm3。
8.根据权利要求1所述的止裂防弹陶瓷板的制备方法,其特征在于,利用真空袋成型工艺,抽真空条件下真空度为1×10-1~1×10-5Pa,温度为70~150℃,保温0.2~2h。
9.一种止裂防弹陶瓷板,其特征在于,采用权利要求1-8任一项所述的制备方法制得。
10.权利要求9所述的止裂防弹插板在防弹复合装甲中的应用。
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CN112356541A (zh) * | 2020-11-23 | 2021-02-12 | 上海斯瑞科技有限公司 | 一种复合防弹插板及其制备方法 |
CN113203323A (zh) * | 2021-04-28 | 2021-08-03 | 中航装甲科技有限公司 | 一种复合防弹板及包覆方法 |
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