Stress Intensity of Antiplane Conjugate Cracks in Cubic Quasicrystal  

作　　者：章磊 

机构地区：[1]Department of Mechanical Engineering, Changzhou Institute of Light Industry Technology

出　　处：《Journal of Southwest Jiaotong University(English Edition)》2008年第3期285-289,共5页西南交通大学学报（英文版）

基　　金：Science Research Foundation of Shang-hai in China (No.2000SG31& 2004096);Shanghai Leading Academic Discipline Project (No.T0601)

摘　　要：Based on the theory of Muskhelishvili, the general solutions for stress and strain of conjugate cracks in cubic quasicrystal are obtained, with which the stress intensity factors of cubic quasicrystal at crack tips and the stress distribution functions of phonon and phason fields are given. The results show that though phason field is coupled with phonon field by constitutive equations, the stress intensity factors are not coupled with any other factors.Based on the theory of Muskhelishvili, the general solutions for stress and strain of conjugate cracks in cubic quasicrystal are obtained, with which the stress intensity factors of cubic quasicrystal at crack tips and the stress distribution functions of phonon and phason fields are given. The results show that though phason field is coupled with phonon field by constitutive equations, the stress intensity factors are not coupled with any other factors.

关 键 词：CRACK Cubic quasicrystal Stress intensity factor Phonon field Phason field 

分 类 号：TB302[一般工业技术—材料科学与工程]