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THERMOGRAPHIC EXAMINATION OF FATIGUE EXERCISE ON HIGH STRENGTH PRESSURE VESSEL |
HUANG Yi;LIN Xaserong;XU Jun;LI Shouxin;LI Wei (Institute of Metal Research;Chinese Academy of Sciences; Shenyang)(Manuscript received 10 June; 1992; in revised form 11 January; 1993) |
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Cite this article:
HUANG Yi;LIN Xaserong;XU Jun;LI Shouxin;LI Wei (Institute of Metal Research;Chinese Academy of Sciences; Shenyang)(Manuscript received 10 June; 1992; in revised form 11 January; 1993). THERMOGRAPHIC EXAMINATION OF FATIGUE EXERCISE ON HIGH STRENGTH PRESSURE VESSEL. Acta Metall Sin, 1994, 30(5): 225-231.
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Abstract An infrared thermographic system was used to monitor the process of fatigue compressing of high strength steel pressure vessel under working pressure. The IRCE effect obtained by themography at the beginning of fatigue testing can detemine the stress concentrated areas. The leaks in the vessel under compressing may testify that the examination of the stress coneentrated area by thermography is available. The fatigue softening and hardening effect was found in the tests.The thennographic results for the stress distribution of cylindrical thin-wall pressure vessel is in agreement with that computed by the Glogal coordinate system. It is believed that the fatigue exercise effect under working pressure may prolong the working life of the pressure vessel. Correspondent: HUANG Yi,associate professor, Institute of Metal Research, Chinese Academy of Scicnces, Shenyang 110015
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Received: 18 May 1994
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1谭若兵,陈大明,康沫狂.第五届全国疲劳学术会议论文集,第五届全国疲劳会议,山东威海.1991;1:732HuangY,ShihCH.MetallSciTechnol,1986;4:33黄毅,林雪荣,徐军.金属学报,1988;24:2074黄毅,林雪荣,徐军.金属学报,1990;26:B615StanteyP,ChanWK.In:LirCengdianet.aleds.PressureVssselTechnology.1988;1:4856黄毅.中国无损检测技术论文集,1991;384d |
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