典型文献
Numerical simulation of laser ultrasonic detection of the surface microdefects on laser powder bed fusion additive manufactured 316L stainless steel
文献摘要：
A numerical model is presented in this article to investigate the interactions between laser generated ul-trasonic and the microdefects (0.01 to 0.1 mm), which are on the surface of the laser powder bed fusion additive manufactured 316L stainless steel. Firstly, the influence of the transient sound field and detection positions on Rayleigh wave signals are investigated. The interactions between the varied microdefects and the laser ultrasonic are studied. It is shown that arrival time of reflected Rayleigh (RR) waves wave is only related to the location of defects. The depth can be checked from the feature point Q, the displacement amplitude and time delay of converted transverse (RS) wave, while the width information can be evalu-ated from the RS wave time delay. With the aid of fitting curves, it is found to be linearly related. This simulation study provides a theoretical basis for quantitative detection of surface microdefects of additive manufactured 316L stainless steel components.
文献关键词：
中图分类号：
作者姓名：
Yang Liu;Zhixin Peng;Sheng Liu;Ping Hu
作者机构：
The Institute of Technological Sciences,Wuhan University,Wuhan 430072,China;School of Power and Mechanical Engineering,Wuhan University,Wuhan 430072,China
文献出处：
引用格式：
[1]Yang Liu;Zhixin Peng;Sheng Liu;Ping Hu-.Numerical simulation of laser ultrasonic detection of the surface microdefects on laser powder bed fusion additive manufactured 316L stainless steel)[J].力学快报（英文）,2022(06):451-458
A类：
trasonic
B类：
Numerical,simulation,laser,ultrasonic,detection,surface,microdefects,powder,bed,fusion,additive,manufactured,316L,stainless,steel,numerical,model,presented,this,article,interactions,between,generated,which,are,Firstly,influence,transient,sound,field,positions,Rayleigh,signals,investigated,varied,studied,It,shown,that,arrival,reflected,RR,waves,only,related,location,depth,can,checked,from,feature,point,displacement,amplitude,delay,converted,transverse,RS,while,width,information,evalu,With,aid,fitting,curves,found,linearly,This,study,provides,theoretical,basis,quantitative,components
AB值：
0.496615
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