Ultrasonic sizing the internal nature crack depth of steel material

碩士 === 國立雲林科技大學 === 環境與安全工程系碩士班 === 94 === The structure facilities such as petroleum or the chemistry factory etc. which often produces the internal crack while making the process welding in the pipeline or the steel plate, welding to endanger the biggest crack of drawback that will grow up through...

Full description

Bibliographic Details
Main Authors: Yun-sen Wang, 王韻森
Other Authors: Ming-kuen Chang
Format: Others
Language:zh-TW
Published: 2006
Online Access:http://ndltd.ncl.edu.tw/handle/45505145491079888952