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Main bearing isolation rolling body metal ceramic part and preparation method and application thereof
The invention provides a main bearing isolation rolling body metal ceramic workpiece and a preparation method and application thereof.The metal ceramic workpiece comprises a plurality of metal ceramic layers arranged in a stacked mode, each metal ceramic layer is formed by compounding a ceramic base material and a reinforcing material, and the reinforcing material comprises TiB whiskers; the formula 1 to the formula 3 are as follows: 2500 Kg/m < 3 > < = M < = 3000 Kg/m < 3 >, 1800 HV < = N < = 2500 HV formula 2, 950 MPa < = P < = 1000 MPa formula 3, M is the density of the metal ceramic part, N is the hardness of the metal ceramic part, and P is the yield strength of the metal ceramic part at the temperature of 25-30 DEG C. The metal ceramic material provided by the invention has the characteristics of low density, low dead weight ratio, ultrahigh strength and the like, is used for the main bearing of the heading machine, and can ensure the safety and reliability of the main bearing in engineering application of the heading machine under different complex operation working conditions.
本发明提供一种主轴承隔离滚动体金属陶瓷制件及其制备方法和应用，该金属陶瓷制件包括若干层层叠设置的金属陶瓷层，所述金属陶瓷层由陶瓷基体材料和增强材料复合而成，所述增强材料包括TiB晶须；且满足以下式1至式3：2500Kg/m3≤M≤3000Kg/m3式1，1800HV≤N≤2500HV式2，950MPa≤P≤1000MPa式3，其中，M为所述金属陶瓷制件的密度，N为所述金属陶瓷制件的硬度，P为所述金属陶瓷制件在25‑30℃下的屈服强度。本发明所提供的金属陶瓷制具有密度低、自重占比低、超高强度等特性，用于掘进机主轴承，可以在不同的复杂运转工况下保证主轴承在掘进机工程应用上的安全性和可靠性。
Main bearing isolation rolling body metal ceramic part and preparation method and application thereof
The invention provides a main bearing isolation rolling body metal ceramic workpiece and a preparation method and application thereof.The metal ceramic workpiece comprises a plurality of metal ceramic layers arranged in a stacked mode, each metal ceramic layer is formed by compounding a ceramic base material and a reinforcing material, and the reinforcing material comprises TiB whiskers; the formula 1 to the formula 3 are as follows: 2500 Kg/m < 3 > < = M < = 3000 Kg/m < 3 >, 1800 HV < = N < = 2500 HV formula 2, 950 MPa < = P < = 1000 MPa formula 3, M is the density of the metal ceramic part, N is the hardness of the metal ceramic part, and P is the yield strength of the metal ceramic part at the temperature of 25-30 DEG C. The metal ceramic material provided by the invention has the characteristics of low density, low dead weight ratio, ultrahigh strength and the like, is used for the main bearing of the heading machine, and can ensure the safety and reliability of the main bearing in engineering application of the heading machine under different complex operation working conditions.
本发明提供一种主轴承隔离滚动体金属陶瓷制件及其制备方法和应用，该金属陶瓷制件包括若干层层叠设置的金属陶瓷层，所述金属陶瓷层由陶瓷基体材料和增强材料复合而成，所述增强材料包括TiB晶须；且满足以下式1至式3：2500Kg/m3≤M≤3000Kg/m3式1，1800HV≤N≤2500HV式2，950MPa≤P≤1000MPa式3，其中，M为所述金属陶瓷制件的密度，N为所述金属陶瓷制件的硬度，P为所述金属陶瓷制件在25‑30℃下的屈服强度。本发明所提供的金属陶瓷制具有密度低、自重占比低、超高强度等特性，用于掘进机主轴承，可以在不同的复杂运转工况下保证主轴承在掘进机工程应用上的安全性和可靠性。
Main bearing isolation rolling body metal ceramic part and preparation method and application thereof
一种主轴承隔离滚动体金属陶瓷制件及其制备方法和应用
MA CHENGBIAO (author) / MA JIANYANG (author) / ZHENG XINLI (author) / CHEN HAOLIN (author) / LI ZHENGXIANG (author)
2024-06-07
Patent
Electronic Resource
Chinese
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