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Fracture toughness and fatigue crack growth analysis of 7050-T7451 alloy thick plate with different thicknessesWANG Yi-lin(王艺淋)1, PAN Qing-lin(潘清林)1, 2, WEI Li-li(韦莉莉)1, LI Bo(李波)1, WANG Ying(王迎)1(1... University), Changsha 410083, China)Abstract:The strength, fracture toughness and fatigue crack growth resistance of 7050-T7451 aluminum alloy plate with different thicknesses (35 mm and 160 mm) were......
Effects of precipitates on fatigue crack growth rate of AA 7055 aluminum alloy CHEN Jun-zhou(陈军洲) 1, ZHEN Liang(甄 良) 2, YANG Shou-jie(杨守杰)1, DAI Sheng-long(戴圣龙)1 1. Beijing Institute...: The effects of precipitates on the fatigue crack growth rate of AA 7055 Al alloy subjected to different ageing treatments were investigated using transmission electron microscope and fatigue crack......
INVESTIGATION OF THE LOW-CYCLE FATIGUE AND FATIGUE CRACK GROWTH BEHAVIORS OF P91 BASE METAL AND WELD JOINTS M.M.Yu1,H.C.Yang1,Y.Tu1,J.Zhao2 (1.Dongfang Boiler (Group;2.Department of Materials Engineering, Dalian University of Technology, Dalian 116023, China) Abstract:Low cycle fatigue tests and crack growth propagations tests on P91 pipe base metal and its weld joints were conducted at three......
A NOVEL PARAMETER FOR EVALUATING THE FATIGUE CRACK GROWTH RATE IN CARBON STEELS H.Nisitani1,S.Q.Zhu2,N.KAWAGOISHI3,X.S.WANG2 (1.Faculty of Engineering,Kyushu Sangyuo University,Fukuoka,812,Japan... for evaluating the fatigue crack growth rate in carbonsteels.Fatigue crack propagation tests of an annealed 0.42% carbon steel were carriedout under different conditions to investigate the relationship between......
. Key words:Ni-base superalloys; fatigue crack growth; hold-time; [全文内容正在添加中] ...FATIGUE CRACK PROPAGATION OF Ni-BASE SUPERALLOYS L.Z.Ma1,E.Barbero1,X.B.Liu1,K.M.Chang1 (1.Dept. of Mechanical & Aerospace Engineering, West Virginia University, Morgantown,WV 26506-6106, USA......
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Effect of pre-strain on fatigue crack growth of 2E12 aluminum alloy YI Dan-qing(易丹青)1, 2, YANG Sheng(杨胜)1, 2, DENG Bin(邓斌)1, ZHOU Ming-zhe(周明哲)1 1. School of Materials Science and Engineering...> Abstract: The influences of pre-strain on the mechanical property and fatigue crack growth of 2E12 aluminum alloy were evaluated by SEM, TEM, mechanical property and fatigue tests......
Residual stress relaxation in typical weld joints and its effect on fatigue and crack growth Chunyan JI1,Zhengquan WAN2,Liangbi LI1,Zili WANG1 (1.School of Naval Architecture and Ocean Engineering,Jiangsu University of Science and Technology,Zhenjiang 212003,China;2.China Ship Scientific Research Center,Wuxi 214082,China) Abstract:Many factors influence the fatigue and crack growth behavior......
Effect of stress ratio on fatigue crack growth of Ti40 alloy WU Huan(吴欢)1, 2, ZHAO Yong-qing(赵永庆)1, ZENG Wei-dong(曾卫东)2 1. Titanium Research Center, Northwest Institute for Non-ferrous Metal...; Abstract: The effect of stress ratio on fatigue crack growth (FCG) behavior of Ti40 alloy was analyzed. A unified approach, developed by VASUDEVAN and SADANANDA was used......
J. Cent. South Univ. (2018) 25: 961-975 DOI: https://doi.org/10.1007/s11771-018-3797-5 Effect of annealing treatment on microstructure and fatigue crack growth behavior of Al–Zn–Mg–Sc–Zr alloy CHEN... (EBSD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), tensile and fatigue crack growth rate tests to explore the influence of annealing treatment on microstructure......