Coating Evaluation Using Ultrasonic Wave Technology

摘要：

　　The capability of Rayleigh wave to be used as a tool for the evaluation of CVD DLC coating layer has been presented in this paper.One uncoated specimen and two CVD DLC coated specimen has been used.The dispersion curves of group velocity of leaky Rayleigh wave were measured.The dispersion curve of uncoated specimen shows that the group velocities were same at different frequencies,as there is no coating layer affecting the group velocities at different frequencies.There are distinct different between sound specimen and bad bonding specimen as the bad bonding specimen show unevenness on its dispersion curve.

关键词： Diamond-like Carbon coating Rayleigh wave phase velocities damping coefficients

作者: Junjie Chang Xingguo Wang Yingchun Shan Jiujun Xu

作者单位: Dalian Maritime University, Dalian 116026, China Dalian Maritime University, Dalian 116026, China; Dalian University of Technology, Dalian 116024, Ch

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: 513-516

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）