Acta Metall Sin  1994, Vol. 30 Issue (5): 195-199    DOI:

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CREEP-FATIGUE INTERACTION IN ALLOYS GH30 AND GH34

WANG Xiang;ZHOU Hao;KONG Qingping(Institute of Solid State Physics;Chinese Academy of Sciences;Hefei)(Manuscript received 5 October;1993; in revised form 15 November;1993)

WANG Xiang;ZHOU Hao;KONG Qingping(Institute of Solid State Physics;Chinese Academy of Sciences;Hefei)(Manuscript received 5 October;1993; in revised form 15 November;1993). CREEP-FATIGUE INTERACTION IN ALLOYS GH30 AND GH34. Acta Metall Sin, 1994, 30(5): 195-199.

Abstract References Related Articles Recommended Metrics Download:  PDF(359KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Two different negative interactions in alloys GH30 and GH34 were observed under prior creep followed by fatigue and under continuous cyclic creep,respectively.The exponent of the fatigue damage, for the former, in the interaction term is much large than that of the creep damage, and hence the negative interaction is mainly as a result of the sequential fatigue damage being restrained by the prior creep. While the exponent of the creep damage,for the latter, in the interaction term is much large than that of the fatigue damage, and hence as a result of creep damage being partly recovered by the fatigue (cyclic loading and unloading). The microscopic origin of the two different negative interactions has been explained in the light of microscopic observations. Correspondent: KONG Qingping, professor, Institute of Solid State Physics, Chinese Academy of Scicnces,Hefei 230031 Key words:  creep      fatigue      creep-fatigue interaction      dislocation      alloy GH30      alloyy GH34      Received:  18 May 1994      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1994/V30/I5/195 1RaiR．FlowandFractureatElevatedTemperatures,ASM,1985:Chapt6,72OhtaniR,OhnamiM,InonsT．HighTemperatureCreep-Fatigue,Elsevier19883LagneborgR,AttermoR．MetallTrans,1971;2:18214XieXS,SunXQ,GaoL,ChenGL,ChangFY,YuanZM．In:YanMGetal．eds．Procof5thIntConfonMechanicalBehaviourofMaterials,Vol．II．Oxford:Pergamon:1987;10375ChenGL．ChinJMetSciTechnol,1990;16:3916孔庆平,王翔,周浩,倪群慧．物理学报,1986;35:10917王翔,孔庆平,佟世华,江先美,任卫平．金属学报,1988;24:A1068WangDN,WangX,KongQP．MaterSciEng,1991;A142:1579WangX,NiQH,ZhouH,KongQP．MaterSciEng,1990;A123:20710WangX,ZhouH,NiQH,KongQP,ZhouNB．MaterSciEng,1989;A122:L911WangX,WangDN,KongQP．ScrMetallMater,1993;28:401 [1] FENG Qiang, LU Song, LI Wendao, ZHANG Xiaorui, LI Longfei, ZOU Min, ZHUANG Xiaoli. 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