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 代理人
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