A MICROMECHANICS CONSTITUTIVE MODEL FOR PURE DILATANT MARTENSITIC TRANSFORMATION OF ZrO2 CONTAINING CERAMICS

查看全文 作　　者：Sun Qingping Yu Shouwen Hwang Kehchih (Dept.of Engng.Mech.,Tsinghua University,Beijing,China)

出　　处：《Acta Mechanica Sinica》索引1990年第6卷第2期,共10页

基　　金：The project is supported by the National Natural Science Foundation of Chin 摘　　要：A new micromechanics constitutive model for pure dilatant transformation plasticity of structureceramics is proposed in this paper.Based on the thermodynamics,micromechanics and microscale t^→ m trans-formation mechanism analysis of the TZP and PSZ ZrO₂-containing ceramics,an analytic expressions of theHelmholtz and complementary free energy of the constitutive element for the case of pure dilatant transforma-tion is derived for the first time in a self-consistent manner.By the analysis of energy dissipation in the for-ward and reverse transformations,the mieromechanics constitutive law is derived in the framework of Hill-Rice’sinternal variable constitutive theory. 关键词：CONSTITUTIVE element microscopic and MACROSCOPIC quantities internal variables free energy thermodynamic force PURE dilatant transformation INCLUSIONS and matrix

相关文献

参考文献（14）
引证文献（1）
耦合文献（8）

参考文献(14)

引证文献(1)

耦合文献(8)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

A MICROMECHANICS CONSTITUTIVE MODEL FOR PURE DILATANT MARTENSITIC TRANSFORMATION OF ZrO2 CONTAINING CERAMICS

参考文献(14)

引证文献(1)

耦合文献(8)

用户提示