Development of an advanced ceramic tool material functionally gradient cutting ceramics
Development of an advanced ceramic tool material functionally gradient cutting ceramics
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DOI：
10.1016/s0921-5093(98)00502-4
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发表时间：
1998-06-15
期刊：
影响因子：
6.4
通讯作者：
Zhang, JH
中科院分区：
文献类型：
--
作者：
Ai, X;Zhao, J;Zhang, JH
首次建立了对称分布的功能梯度陶瓷刀具材料的设计模型。在分析陶瓷刀具切削过程中应力分布的基础上，通过对具有不同成分分布的梯度陶瓷刀具材料的残余热应力进行有限元分析，设计成分分布，目的是通过残余热应力使加工过程中外部载荷产生的应力部分松弛。提出了优化设计的原则。采用热压法制备了Al2O3/TiC梯度功能陶瓷刀具材料FG-I。(C) 1998 Elsevier Science S.A.版权所有
A model for designing functionally gradient ceramic tool materials with symmetrical distribution is presented for the first time. Based on the analysis of stress distribution for ceramic tools in the cutting process, the design of composition distribution was carried out with the aim of partial relaxation of stresses resulting from external loadings by residual thermal stress in fabricating process by means of finite element analysis of residual thermal stress for gradient ceramic tool materials with different compositional distributions. The principle for optimal design was also proposed. An Al2O3/TiC functionally gradient ceramic tool material, FG-I, was accordingly synthesized by hot pressing. (C) 1998 Elsevier Science S.A. All rights reserved.