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; double cracks; fatigue crack propagation; crack spacing threshold; moving load...Crack spacing threshold of double cracks propagation for large-module rackZHAO Tie-zhu(赵铁柱), SHI Duan-wei(石端伟), YAO Zhe-hao(姚哲皓), MAO Hong-yong(毛宏勇), CHENG Shu-xiao(程术潇), PENG Hui(彭惠) (School......
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under impact load is divided into two aspects, the crack initiation behavior and the crack propagation. Fatigue crack propagation under repeated impact load is an important aspect of metal fatigue under... and crack propagation velocity were deduced. The effects of impact pattern characteristic parameters such as impact range and time interval on impact fatigue crack growth and propagation rates were......
As-extruded AZ31B Magnesium Alloy Fatigue Crack Propagation Behavior张红霞,王文先College of Material Science and Engineering,Taiyuan University of Technology摘 要:The fatigue crack propagation rate of as-extruded AZ31B magnesium alloy was studied. Compact tension [C(T)] of the notch direction parallel (T-L), vertical (L-T), and inclined at 45o to the extrusion......
A GENERAL CONSTITUTIVE RELATION FOR FATIGUE CRACK GROWTH ANALYSIS OF METAL STRUCTURES W.C.Cui1,X.P.Huang1 (1.School of Naval Architecture & Ocean Engineering, Shanghai Jiaotong University, Shanghai 200030, China) Abstract:Crack growth rate curves are the fundamental material property for metal structures under fatigue loading. Although there are many crack growth rate curves available......
> 关键词: 爆炸复合板;疲劳;界面; 中图分类号: TB331 收稿日期:1999-08-30 基金:国家自然科学基金重点资助项目! 597310 2 0; Fatigue crack propagation of explosive bonded laminate LY12 plate Abstract: An explosive bonded LY12 laminate plate was applied to investigate the effect of interface bonding strength on fatigue crack propagation path. The fatigue crack growth behavior......
Trans. Nonferrous Met. Soc. China 24(2014) 303-309 Fatigue crack initiation and early propagation behavior of 2A97 Al-Li alloy Jing ZHONG1, Shen ZHONG1, Zi-qiao ZHENG1,2, Hai-feng ZHANG1, Xian-fu... South University, Changsha 410083, China Received 23 February 2013; accepted 23 May 2013 Abstract: The fatigue crack initiation and early propagation behavior of 2A97 Al-Li alloy was studied. The smooth......
. However, the relationships among mechanical properties, fatigue strength and fatigue crack initiation/propagation mechanisms of polycrystalline magnesium alloys are not clear in detail. The purpose of present study is to investigate the axial tension-compression fatigue behavior (fatigue strength, crack initiation and propagation behavior) of rolled AZ31B magnesium alloy plate. 2 Experimental......
Fatigue Crack Propagation in Plain Carbon Dual-phase Steel雷廷权,林广湧摘 要:<正> The effect of volume fraction VM and carboncontent(%C)M of martensite was studied on the fa-tigue crack propagation behaviour of plain carbonmartensite plus ferrite M+F dual-phase steel.Theexperimental results show that the △Kthdecreasesand da/dn increases with increasing VM......