Measurement of bond strength of coating using stress wave

被引：0

作者：

Hou, Zhen-De ^{[1
]}

Tang, Ling-Xia ^{[1
]}

Fu, Dong-Hui ^{[1
]}

Zhang, Zeng-Fu ^{[1
]}

Tian, Xin-Li ^{[2
]}

机构：

[1] School of Mechanical Engineering, Tianjin University, Tianjin 300072, China

[2] Academy of Armored Forces Engineering College, Beijing 100072, China

来源：

Binggong Xuebao/Acta Armamentarii | 2006年 / 27卷 / 02期

关键词：

Bond strength (materials) - Compressive stress - Films - Interfaces (materials) - Iron - Mechanical variables measurement - One dimensional - Pressure - Tensile stress - Vibrations (mechanical) - Waves;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A way of measuring tensile bond strength of coating is presented. When a compressive stress pulse is generated by an impact at one end of a bar, the pulse reflected from the other end (free end) becomes a tensile wave in terms of the one dimensional linear theory of stress wave. If a film is coated on the surface of the free end, the tensile stress acts on the coating interface, and in case of large enough amplitude, the coating can be pulled apart. In above mentioned method, the measurement of tensile bond strength of coating can be accomplished. The characteristics of tensile stress produced on the coating interface by stress pulse were analyzed. Stress pulses were obtained and tested using Hopkinson pressure bar technique. The bond strength of an iron-base coating material was measured and the validity of the method was proved.

引用

页码：306 / 309

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