发明名称 |
Method of detecting the onset of cracking in articles during dynamic testing |
摘要 |
A method is disclosed for detecting the onset of cracking in an article subjected to dynamic loading. The article is subjected to a dynamically changing load, and additionally is loaded and vibrated at its natural frequency. The onset of a crack in the article is determined by noting a change in its natural frequency.
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申请公布号 |
US4283956(A) |
申请公布日期 |
1981.08.18 |
申请号 |
US19790037710 |
申请日期 |
1979.05.10 |
申请人 |
MOTOREN-UND TURBINEN-UNION |
发明人 |
LECHNER, KARL;BOESMILLER, ERICH |
分类号 |
G01N3/00;G01N3/32;G01N29/12;G01N29/22;(IPC1-7):G01N3/36 |
主分类号 |
G01N3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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