摘要
Thisletterreportsexperimentalobservationofadirectcorrelationbetweentheacousticnonlinearityparameter(NP)measuredwithnonlinearRayleighwavesandtheaccumulationofplasticitydamageinanAZ31magnesiumalloyplatespecimen.Rayleighwavesaregeneratedanddetectedwithwedgetransducers,andtheNPsaremeasuredatdifferentstresslevels.TheresultsshowthatthereisasignificantincreaseintheNPswithmonotonictensileloadssurpassingthematerial'syieldingstress.Theresearchsugge...
出版日期
2011年05月15日(中国期刊网平台首次上网日期,不代表论文的发表时间)