共搜索到5130条信息，每页显示10条信息，共513页。用时：0小时0分0秒615毫秒
the variation of the shape design parameters to predict the gear surface fatigue limit which is strongly related to the gear noise and vibration at the contact patch. The results show that the pitting life can...Contact surface fatigue life for roller rack pinion systemKIM Chang-hyun1, CHOI Heung-soap2, KWON Soon-man1(1.Department of Mechanical Design and Manufacturing Engineering, Changwon National......
:1672-7207(2020)01-0165-11 Fatigue test study of combined cable-girder anchorage structure in cable-stayed bridge with steel truss girder CAO Shanshan1, 2, LEI Junqing2, HUANG Zuwei2 (1. Experimental College, The Open University of China, Beijing 100039, China； 2. School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China) Abstract: Based on the fatigue test results of the combined......
弹簧钢55SiCrA轴向疲劳行为的试验研究肖金福1,刘雅政1,孙小军1,孙景宏1,谢建新1(1.北京市北京科技大学材料科学与工程学院)摘 要:随着对汽车轻量化和安全性要求的不断提高,改善疲劳性能成为弹簧钢研究与开发的一个重要主题.在Amsler HFP 5000高频疲劳试验机上研究了弹簧钢55SiCrA轴向拉-压加载的疲劳性能,测定了其条件疲劳极限及S-N曲线,利用扫描电镜(SEM)和E-DAX对疲劳断口及夹杂物进行观察,对断口进行了宏观和微观分析,研究了疲劳破坏的机制.试验结果表明:试验钢的条件疲劳极限为82......
Relation between Shot Peening Process and Fatigue Life in the Case of Hardening Steels YASUNORI HARADA1,HARUSHIGE TSUBAKINO1,SHIGEYOSHI HAGA2 (1.Graduate School of Engineering University of Hyogo... as the need of light-weighting of gears, transmission parts. Hence, we''ve studied the relation between the shot peening working conditions and factors for improvement of gear''s fatigue life, and also......
Dynamic limit equilibrium analysis of sliding block for rock slope based on nonlinear FEMLIU Yao-ru(刘相儒), HE Zhu(何柱), LENG Kuang-dai(冷旷代), HUANG Yue-qun(黄跃群), YANG Qiang(杨强)(State Key Laboratory of Hydroscience and Engineering (Tsinghua University), Beijing 100084, China)Abstract:Traditional rigid body limit equilibrium method (RBLEM) was adopted for the stability evaluation and analysis of rock......
SHORT FATIGUE CRACK PARAMETER BASED ON THE TOTAL CRACK AREA X.C.Wu1,Z.X.Wu1 (1.Engineering College,Yangzhou University,Yangzhou 225009,China) Abstract:The progressive fatigue damage of a material is closely related to the whole populationof cracks on the surface of an un-notched specimen.In order to understand whichparameter is a more useful indicator of fatigue damage,rotatory bending fatigue......
Three-dimensional stability analysis of anisotropic and non-homogeneous slopes using limit analysisHAN Chang-yu(韩长玉), CHEN Jin-jian(陈锦剑), XIA Xiao-he(夏小和), WANG Jian-hua(王建华) (Department of Civil...-bound theorem of the limit analysis approach. The approach can be considered as a modification and extension of the solutions. The influences of friction angle, anisotropy factor, nonhomogeneous......
not be the initiation site of fatigue cracks. A higher fatigue limit strength could be achieved by employing a crosshatching scanning strategy. For the CH sample, fatigue cracks also initiated from GBs...Microstructure and fatigue behavior of laser-powder bed fusion austenitic stainless steelChenfan Yu1,Peng Zhang2,Zhefeng Zhang2,Wei Liu11. School of Materials Science and Engineering, Tsinghua......
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......
for coronary stents application. It is found that higher pre-straining on HNASS results in higher strength and maintains almost same corrosion resistance. Fatigue limit of 0% HNASS is 550 MPa, while corrosion fatigue limit is 475 MPa. And improvement in fatigue limit of 20% and 35% pre-strained HNASS is in comparison with the 0% HNASS, while corrosion would undermine the fatigue behavior of HNASS......
