Detecting the flaws in the doors filled with polyurethane foaming agent using the stress wave through transmission method

碩士 === 國立中興大學 === 土木工程學系所 === 97 === The purpose of this study is to explore the application of stress wave method in the quality check of foam-filled doors. In present production of such doors, the verification of density of filling foam material can only be carried out by the methods of destructiv...

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Bibliographic Details
Main Authors: Yu-Kai Sun, 孫裕凱
Other Authors: Yi-Ching Lin
Format: Others
Language:zh-TW
Online Access:http://ndltd.ncl.edu.tw/handle/14490172766170811237