Using ultrasonic technique to trace the depth of natural crack

碩士 === 國立雲林科技大學 === 防災與環境工程研究所 === 95 === Normally the general mechanical metal parts might have flaw, crank and hole defect cause by long-term used, manufacture fault and environmental effect. Especially, the crack has biggest influence on structure strength, therefore it needs to precisely figure...

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Bibliographic Details
Main Authors: Sheng-Wei Wang, 王聖惟
Other Authors: Ming-Kuen Chang
Format: Others
Language:zh-TW
Published: 2007
Online Access:http://ndltd.ncl.edu.tw/handle/64731887679064685488