发明授权
- 专利标题： Fatigue testing apparatus
- 专利标题（中）： 疲劳试验装置
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申请号： US396263申请日： 1989-08-21
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公开(公告)号： US4916954A公开(公告)日： 1990-04-17
- 发明人: Robert J. Buzzard
- 申请人： Robert J. Buzzard
- 申请人地址： DC Washington
- 专利权人： The United States of America as represented by the United States National Aeronautics and Space Administration
- 当前专利权人： The United States of America as represented by the United States National Aeronautics and Space Administration
- 当前专利权人地址： DC Washington
- 主分类号： G01N3/00
- IPC分类号： G01N3/00 ; G01N3/02 ; G01N3/08 ; G01N3/32
摘要：
Apparatus is provided for obtaining a single crack in fatigue loading which emanates from a predetermined starting notch in a test specimen. This crack propagates in a direction in line with that of the applied Mode II load. The loading may be performed either monotonically or in a cyclic fatigue.
公开/授权文献
- US5547205A Luggage cart with attached seat 公开/授权日：1996-08-20
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