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1. 发明授权

US5556596A Corrosive environment sensor, corrosive environment measuring apparatus and corrosive environment control system 失效
标题翻译：腐蚀性环境传感器，腐蚀性环境测量仪器和腐蚀性环境控制系统
公开(公告)号：US5556596A
公开(公告)日：1996-09-17
申请号：US308542
申请日：1994-09-21
申请人： Makoto Hayashi , Satoshi Kanno , Naoto Saito
发明人： Makoto Hayashi , Satoshi Kanno , Naoto Saito
IPC分类号： G01N3/32 , G01N3/00 , G01N3/02 , G01N3/20 , G01N17/00 , G01N27/26 , C01N17/00
CPC分类号： G01N3/20 , G01N17/00 , G01N2203/0066 , G01N2203/024
摘要： A corrosive environment sensor comprises an elongate metal member having a pair of beam portions, each extending in a length direction between first and second ends of the metal member, and having a crack growth portion formed therein and extending in the length direction of the metal member from a crack starting end toward the second end, wherein the crack starting end is at an intermediate position between the first and second ends of the metal member and is between the pair of beam portions, a changeable load member having an expansible chamber disposed between the beam portion around the first end of the metal member and a means for supplying pressurized fluid to the expansible chamber. The changeable load member applies a load to the crack growth portion and the means for supplying pressurized fluid to the expansible chamber is responsible for ensuring that the displacement of the beam portions is accomplished in such a manner so as to provide a constant stress intensity factor at a crack growing point.
摘要翻译：腐蚀性环境传感器包括细长金属构件，其具有一对梁部分，每一个梁部分沿金属构件的第一和第二端之间的长度方向延伸，并且在其中形成有裂纹扩展部分，并且在金属构件的长度方向上延伸从裂纹起始端朝向第二端，其中裂纹起始端处于金属构件的第一和第二端之间的中间位置，并且位于一对梁部之间，可变载荷构件具有可扩张室，围绕金属构件的第一端的梁部分和用于将加压流体供应到可膨胀室的装置。可变负载构件向裂纹扩展部分施加负载，并且用于向可膨胀室供应加压流体的装置负责确保梁部分的位移以这样的方式实现，以便在一个裂缝增长点。

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