CN108947553A - 一种耐高温韧性陶瓷材料的配方 - Google Patents

一种耐高温韧性陶瓷材料的配方 Download PDF

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CN108947553A
CN108947553A CN201810937849.XA CN201810937849A CN108947553A CN 108947553 A CN108947553 A CN 108947553A CN 201810937849 A CN201810937849 A CN 201810937849A CN 108947553 A CN108947553 A CN 108947553A
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黄�俊
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Abstract

本发明公开了一种耐高温韧性陶瓷材料的配方，照重量份组成包括：α‑氧化铝和γ‑氧化铝的混合物70～100份，碳化硅纤维和氮化硅纤维的混合物20～30份，聚酯纤维5～10份，氧化钾5～15份，氧化钠10～20份，氧化锂1～5份，氧化锆5～10份，粘土10～15份，其中，所述α‑氧化铝和所述γ‑氧化铝的重量比为1:1～3，所述碳化硅纤维和所述氮化硅纤维的重量比为1:1～2。本发明的耐高温韧性陶瓷材料具有良好的抗弯强度和断裂韧性、抗冲击性优良，且热稳定性能好，具有广阔的应用前景。

Description

一种耐高温韧性陶瓷材料的配方
技术领域
本发明涉及陶瓷材料技术领域，特别是涉及一种耐高温韧性陶瓷材料的配方。
背景技术
陶瓷材料是工程材料中刚度最好、硬度最高的材料，其硬度大多在1500HV以上。传统陶瓷主要采用天然的岩石、矿物、粘土等材料做原料，而新型陶瓷则采用人工合成的高纯度无机化合物为原料，在严格控制的条件下经成型、烧结和其他处理而制成具有微细结晶组织的无机材料。新型陶瓷材料在性能上有其独特的优越性。在热和机械性能方面，有耐高温、隔热、高硬度、耐磨耗等；在电性能方面有绝缘性、压电性、半导体性、磁性等；在化学方面有催化、耐腐蚀、吸附等功能；在生物方面，具有一定生物相容性能，可作为生物结构材料等，但其抗拉强度较低，塑性和韧性很差。
为此，有必要针对上述问题，提出一种耐高温韧性陶瓷材料的配方，其能够解决现有技术中存在的问题。
发明内容
本发明的目的在于提供一种耐高温韧性陶瓷材料的配方，以克服现有技术中的不足。
为实现上述目的，本发明提供如下技术方案：
一种耐高温韧性陶瓷材料的配方，按照重量份组成包括：α-氧化铝和γ-氧化铝的混合物70～100份，碳化硅纤维和氮化硅纤维的混合物20～30份，聚酯纤维5～10份，氧化钾5～15份，氧化钠10～20份，氧化锂1～5份，氧化锆5～10份，粘土10～15份，其中，所述α-氧化铝和所述γ-氧化铝的重量比为1:1～3，所述碳化硅纤维和所述氮化硅纤维的重量比为1:1～2。
优选的，所述α-氧化铝的粒径为50～100nm。
优选的，所述γ-氧化铝的粒径为10～30nm。
优选的，所述α-氧化铝和所述γ-氧化铝的重量比为1:2。
优选的，所述碳化硅纤维和所述氮化硅纤维的重量比为1:1.5。
优选的，按照重量份组成包括：α-氧化铝和γ-氧化铝的混合物80～100份，碳化硅纤维和氮化硅纤维的混合物24～30份，聚酯纤维6～10份，氧化钾8～15份，氧化钠13～20份，氧化锂2.5～5份，氧化锆6～10份，粘土12～15份。
优选的，按照重量份组成包括：α-氧化铝和γ-氧化铝的混合物90～100份，碳化硅纤维和氮化硅纤维的混合物28～30份，聚酯纤维8～10份，氧化钾11～15份，氧化钠17～20份，氧化锂4～5份，氧化锆8～10份，粘土14～15份。
优选的，所述配方还包括二氧化钛1～2份。
与现有技术相比，本发明的优点在于：本发明的耐高温韧性陶瓷材料具有良好的抗弯强度和断裂韧性、抗冲击性优良，且热稳定性能好，具有广阔的应用前景。
具体实施方式
本发明通过下列实施例作进一步说明：根据下述实施例，可以更好地理解本发明。然而，本领域的技术人员容易理解，实施例所描述的具体的物料比、工艺条件及其结果仅用于说明本发明，而不应当也不会限制权利要求书中所详细描述的本发明。
本发明公开一种耐高温韧性陶瓷材料的配方，按照重量份组成包括：α-氧化铝和γ-氧化铝的混合物70～100份，碳化硅纤维和氮化硅纤维的混合物20～30份，聚酯纤维5～10份，氧化钾5～15份，氧化钠10～20份，氧化锂1～5份，氧化锆5～10份，粘土10～15份，其中，所述α-氧化铝和所述γ-氧化铝的重量比为1:1～3，所述碳化硅纤维和所述氮化硅纤维的重量比为1:1～2。
其中，所述α-氧化铝的粒径为50～100nm，优选的，所述α-氧化铝的粒径为80nm；所述γ-氧化铝的粒径为10～30nm，优选的，所述γ-氧化铝的粒径为20nm；所述α-氧化铝和所述γ-氧化铝的重量比为1:2；所述碳化硅纤维和所述氮化硅纤维的重量比为1:1.5。
进一步地，所述配方还包括二氧化钛1～2份。
下述以具体地实施例进行说明本发明中的耐高温韧性陶瓷材料的配方。
实施例1
按照重量份组成包括：α-氧化铝和γ-氧化铝的混合物70份，碳化硅纤维和氮化硅纤维的混合物20份，聚酯纤维5份，氧化钾5份，氧化钠10份，氧化锂1份，氧化锆5份，粘土10份。
实施例2
按照重量份组成包括：α-氧化铝和γ-氧化铝的混合物80份，碳化硅纤维和氮化硅纤维的混合物24份，聚酯纤维6份，氧化钾8份，氧化钠13份，氧化锂2.5份，氧化锆6份，粘土12份。
实施例3
按照重量份组成包括：α-氧化铝和γ-氧化铝的混合物90份，碳化硅纤维和氮化硅纤维的混合物28份，聚酯纤维8份，氧化钾11份，氧化钠17份，氧化锂4份，氧化锆8份，粘土14份。
实施例4
按照重量份组成包括：α-氧化铝和γ-氧化铝的混合物100份，碳化硅纤维和氮化硅纤维的混合物30份，聚酯纤维10份，氧化钾15份，氧化钠20份，氧化锂5份，氧化锆10份，粘土15份。
上述实施例1～4中的耐高温韧性陶瓷材料中，α-氧化铝和γ-氧化铝具有较好的耐热性能及增韧性能，而且通过添加碳化硅纤维和氮化硅纤维，能够进一步增加其韧性，降低其脆性。因此，本发明中的陶瓷材料具有良好的抗弯强度和断裂韧性、抗冲击性优良，且热稳定性能好。
最后，还需要说明的是，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。

Claims (8)

1.一种耐高温韧性陶瓷材料的配方，其特征在于，按照重量份组成包括：α-氧化铝和γ-氧化铝的混合物70～100份，碳化硅纤维和氮化硅纤维的混合物20～30份，聚酯纤维5～10份，氧化钾5～15份，氧化钠10～20份，氧化锂1～5份，氧化锆5～10份，粘土10～15份，其中，所述α-氧化铝和所述γ-氧化铝的重量比为1:1～3，所述碳化硅纤维和所述氮化硅纤维的重量比为1:1～2。
2.根据权利要求1所述的耐高温韧性陶瓷材料的配方，其特征在于，所述α-氧化铝的粒径为50～100nm。
3.根据权利要求1所述的耐高温韧性陶瓷材料的配方，其特征在于，所述γ-氧化铝的粒径为10～30nm。
4.根据权利要求1所述的耐高温韧性陶瓷材料的配方，其特征在于，所述α-氧化铝和所述γ-氧化铝的重量比为1:2。
5.根据权利要求1所述的耐高温韧性陶瓷材料的配方，其特征在于，所述碳化硅纤维和所述氮化硅纤维的重量比为1:1.5。
6.根据权利要求1所述的耐高温韧性陶瓷材料的配方，其特征在于，按照重量份组成包括：α-氧化铝和γ-氧化铝的混合物80～100份，碳化硅纤维和氮化硅纤维的混合物24～30份，聚酯纤维6～10份，氧化钾8～15份，氧化钠13～20份，氧化锂2.5～5份，氧化锆6～10份，粘土12～15份。
7.根据权利要求1所述的耐高温韧性陶瓷材料的配方，其特征在于，按照重量份组成包括：α-氧化铝和γ-氧化铝的混合物90～100份，碳化硅纤维和氮化硅纤维的混合物28～30份，聚酯纤维8～10份，氧化钾11～15份，氧化钠17～20份，氧化锂4～5份，氧化锆8～10份，粘土14～15份。
8.根据权利要求1所述的耐高温韧性陶瓷材料的配方，其特征在于，所述配方还包括二氧化钛1～2份。
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CN107043266A (zh) * 2017-04-18 2017-08-15 华中科技大学 一种快速制备无机纤维增强陶瓷基复合材料的方法

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CN109970461A (zh) * 2019-01-29 2019-07-05 河南三松节能环保科技有限公司 一种陶瓷靶向加热元件及其制造方法
CN109970461B (zh) * 2019-01-29 2021-11-05 河南三松节能环保科技有限公司 一种陶瓷靶向加热元件及其制造方法

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