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Parametric Analysis Method for Acoustic Emission Test of High Pressure Gas Cylinder Materials

机译：高压气瓶材料声发射试验的参数分析方法

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摘要

Acoustic emission technology is widely applied in Pressure vessel detection, high pressure cylinder detection, and mechanical properties of materials researching. In order to study the fatigue damage characteristics of high pressure cylinder materials, the acoustic emission signals of high pressure cylinder materials were analyzed based on different notched size samples. The experimental results show that the energy of the acoustic emission signal increases with the notch tip radius, and increases with the depth of the notch. When the crack reaches a certain depth, or the radius of the notch tip is small enough, high pressure gas cylinder material within a short period of time will crack propagation.
机译：声发射技术广泛应用于压力容器检测，高压缸检测和材料研究的机械性能。为了研究高压缸材料的疲劳损伤特性，基于不同的缺口尺寸样品分析了高压缸材料的声发射信号。实验结果表明，声发射信号的能量随凹口尖端半径的增加，并随着凹口的深度而增加。当裂缝达到一定的深度时，或者凹口尖端的半径足够小，在短时间内的高压气瓶材料将裂开传播。

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