Influence of Material Continuity of Functionally Graded Coating on Interface Crack

摘要：

　　In this paper,aiming at three material parameter functions of functionally graded coating (FGC) which have different continuities,the influence of functionally gradient coating material continuity on the fracture behaviors of the crack on the interface between the base material and coating is studied.The results show that when the functionally graded coating structure is under a tension load,if the ratio of maximum elastic modulus of the FGC to the elastic modulus of the base is less than 10,the functionally graded layer which has Co2 continuity can help to improve the fracture resistance of the interface crack,and if the ratio increases continuously,the functionally graded layer which has Cl3 continuity can help to improve the fracture resistance of the interface crack,which is of great guiding significance for practical engineering design.

关键词： functionally graded coating material continuity interface crack fracture

作者: Changqing Sun Hua Wei Hong Gao

作者单位: Department of Mechanical Engineering,Shenyang Institute of Engineering,Shenyang,110136,China Institute of Metal Research,Chinese Academy of Sciences,Shenyang,110016,China

会议类型: 国际会议

会议名称: the 2012 2nd International Conference on Frontiers of Manufacturing Science and Measuring Technology (第二届制造科学与检测技术国际会议(ICFMM 2012))

会议地点: 西安

会议语种:英文

页码: 760-763

在线出版日期: 2012-06-12（万方平台首次上网日期，不代表论文的发表时间）