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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......
Trans. Nonferrous Met. Soc. China 25(2015) 3240-3246 Effect of indentation size and grain/sub-grain size on microhardness of high purity tungsten Guang-yu LIU, Song NI, Min SONG State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China Received 29 January 2015; accepted 13 May 2015 Abstract: Hardness of materials depends significantly on the indentation size......
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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......
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; 文献标识码:A Indentation creep resistance of AE42 alloy ZHANG Yao-cheng1, ZENG Ming1, 2, GUO Ping1, LIAO Chun-li1, SHEN Bao-luo2 (1. College of Materials Science and Engineering, Xihua University, Chengdu 610039, China; 2. College of Materials Science and Engineering, Sichuan University, Chengdu 610065, China) Abstract: The indentation creep property of Mg-4Al-2RE (AE42) alloy......
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......
STUDY ON DETERMINING KIc OF CERAMIC MATERIALS BY INDENTATION MICROFRACTURE宋显辉摘 要:<正>In this paper,by studying the accuracy ofindentation microfrature,it is pointed out that the residualstress in the indentation site plays a critical role,whichmakes the theoretlcal analysis extremely difficult and theindentation microcracks slowly expaned,therefore......
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