发明名称 |
FORFARANDE OCH ANORDNING FOR DETEKTERING AV SPRICKOR I PROVKROPPAR |
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. |
申请公布号 |
SE448188(B) |
申请公布日期 |
1987.01.26 |
申请号 |
SE19790004282 |
申请日期 |
1979.05.15 |
申请人 |
MOTOREN- UND TURBINEN-UNION MUNCHEN GMBH |
发明人 |
K * LECHNER;E * BOSMILLER |
分类号 |
G01N3/00;G01N3/32;G01N29/12;G01N29/22;(IPC1-7):G01N1/32 |
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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