Mechanical Behaviors of Foam Nickel Ceramic

摘要：

　　The uniaxial tensions for foam nickel ceramic specimens with different relative densities are carried out on a CSS-44020 Universal Electronic Test Machine at ambient temperature,and the uniaxial tensile tests at various strain rates and temperatures are performed as well.The effects of relative density,strain rate and temperature on the elastic modulus are investigated.It is found that the elastic modulus of the foam nickel ceramic material increases with the density and stain rate,while decreases with the temperature.Simultaneously,the effects of relative density,strain rate and temperature on the yield strength of the foam nickel ceramic material are studied.It is shown that the yield stress increases with relative density and strain rate,but is reversed with increasing temperature.The comparison between the calculated result and experimental data demonstrates that the theoretical model can well predict the mechanical behavior of foam nickel ceramic material.

关键词： foam nickel ceramic relative density

作者: Zhao Rongguo Chen Chaozhong Luo Xiyan

作者单位: Institute of Rheological Mechanics, Xiangtan University, Hunan 411105, P.R.China;Key Laboratory of A Institute of Rheological Mechanics, Xiangtan University, Hunan 411105, P.R.China

会议类型: 国际会议

会议名称: The Sixth China International Conference on High-Performance Ceramics(第六届中国先进陶瓷国际研讨会(CICC-6))

会议地点: 哈尔滨

会议语种:英文

页码: 693-696

在线出版日期: 2009-08-16（万方平台首次上网日期，不代表论文的发表时间）