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that the effects of content of O element and heat treatment on high cycle fatigue strength of TA15 alloy are limit. But α phase of TA15 alloy bar has a remarkable effect on high cycle fatigue strength. The high...; 文献标志码:A Effects of heat treatment on high cycle fatigue strength of TA15 alloy LAI Yun-jin1, 2, ZHANG Feng-shou2, DU Yu-xuan2, HOU Yan-rong2, WANG Yong-zhe2, MA Wen-ge2, LIU Xiang-hong2, FENG......
A new calculation method for axial load capacity of separated concrete-filled steel tubes based on limit equilibrium theoryLIU Xia-ping(刘夏平), SUN Zhuo(孙卓), TANG Shu(唐述), HUANG Hai-yun(黄海云), LIU Ai-rong(刘爱荣)(College of Civil Engineering, Guangzhou University, Guangzhou 510006, China)Abstract:A new calculation method for axial load capacity of separated concrete-filled steel tubes based on limit......
for the prediction of the high cycle fatigue limit stress in notched Ti-6Al-4V[J]. International Journal of Fatigue, 2005, 27: 45-57. (编辑 袁赛前) 基金项目:国家自然科学基金资助项目(50631030；50901080)；辽宁省自然科学基金资助项目(20092075...半径和应力比的变化对合金的组织及缺口敏感性影响不大,仅疲劳强度稍有变化.与其他类型常用钛合金相比较,Ti-24Nb-4Zr-8Sn合金具有低的室温疲劳缺口敏感性,这主要归因于其良好的室温塑性以及超弹性变形特点. 关键词:钛合金；缺口；疲劳缺口敏感性 中图分类号:TG 146 文献标志码:A Fatigue notch sensitivity......
J. Cent. South Univ. (2016) 23: 2382-2396 DOI: 10.1007/s11771-016-3297-4 Limit equilibrium stability analysis of slopes under external loads DENG Dong-ping(邓东平), ZHAO Lian-heng(赵炼恒), LI Liang(李亮... action line, were considered. Meanwhile, four basic distribution patterns of external load were used, of which complex external loads could be composed. In analysis process, several limit equilibrium......
Finite element analysis of contact fatigue and bending fatigue of a theoretical assembling straight bevel gear pairDENG Song(邓松), HUA Lin(华林), HAN Xing-hui(韩星会), HUANG Song(黄松)(School of Automotive... of a theoretical assembling straight bevel gear pair to analyze the contact fatigue on the tooth surface and the bending fatigue in the tooth root. Based on the cumulative fatigue criterion and the stress-life......
and fatigue limit increased through plasma nitriding regardless of process conditions.The best surface hardness and fatigue limit were obtained at 550℃ for 4 h because of the occurrence of CrN...Comprehensive analysis of pulsed plasma nitriding preconditions on the fatigue behavior of AISI 304 austenitic stainless steelOkan Unal1,2,Erfan Maleki3,Remzi Varol41. Mechanical Engineering......
temperature was kept at 165 °C for 6 h. To shorten the test period, the load intensity at 106 cycles was selected as fatigue limit, the ratio of symmetric tensile-compressive stress is -1, test... strength. According to K1, K2, K3 and R in Table 5, there is K3>K2>K1 in the first column of Fe, the second column of Cu and the third column of Ni, which indicates that the fatigue limit is always......
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Fatigue Delamination Characteristics of Plasma Sprayed Coatings under Fretting XU Bin-shi1,HAN Jian-min2,ZHOU Zhong-rong3,LIU Shi-can1,XU Xiang-yang2 (1.Institute of Surface Engineering, Chinese... to K417 nickel superalloy in the fretting wear resistance. The characterized fatigue delamination of the plasma sprayed coatings was evidently different from that of the homogeneous materials......
;the bulged aluminum alloy exhibits significant enhancement of fatigue performance, for example, the fatigue limit of bulged sample is about 130 MPa, which is 30% higher than... is responsible for the enhanced fatigue limit, and consistent with the results as observed in Fig. 4. Fig. 9 da/dN vs ΔK plot for original and bugled specimens 4.2 Physical original of low crack......
