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EFFECTS OF STRAIN RATIO ON THERMAL-MECHANICAL CYCLIC STRESS-STRAIN RESPONSE AND FATIGUE LIFE IN DS SUPERALLOY DZ125 R.Z.Chen1,G.D.Zhang1,Y.H.He1,S.L.Liu1 (1.Beijing Institute of Aeronautical Materials, Beijing 100095,China) Abstract:The effects of strain ratio on thermal-mechanical cyclic stress-strain response and fatigue life in DS superalloy DZ125 have been studied by performing tests......
J. Cent. South Univ. Technol. (2009) 16: 0535-0540 DOI: 10.1007/s11771-009-0089-0 Cyclic oxidation behavior of Fe-9Cr-1Mo steel in water vapor atmosphere ZHANG Du-qing(张都清)1, 2, LIU Guang-ming...; Abstract: The cyclic oxidation behavior of Fe-9Cr-1Mo steel (9Cr-1Mo) in 10%H2O+90%Ar (volume fraction) atmosphere at 600, 650 and 700 ℃ for various time was studied. The oxidation mechanism of 9Cr-1Mo......
-long, SUO Guo-ching. Prediction of low-cycle contact fatigue life of sleeve–pin–shaft connections under axial and torsional cyclic loading [J]. International Journal of Fatigue, 2007, 29(5): 796-809. [22] SUN Deng-yue, ZHANG Yuan-fang, ZHA Xian-wen, LIU Wen-wu, MA Hui-wei, FAN You-qin. Analyzing of the thermal stress and fatigue life of the liquid core heavy reduction rolling mill’s roller [C......
Fatigue response,fracture characteristic and life modeling of a near-alpha titanium alloy under typical cyclic loadings in serviceJia Huang1,Yin-Yin Luo2,Peng-Tao Zhao3,Duo-Qi Shi1,Xiao-Guang...:Experimental investigations on the fatigue behavior of a near-alpha titanium alloy under typical cyclic loadings were carried out to simulate the service......
words: A356 alloys; low cycle fatigue; cyclic hardening; fatigue life A356合金因具有优良的铸造性能,热处理性能,加工性能,疲劳性能以及良好的强度与塑性,已成为汽车和摩托车轮毂产业使用最为广泛的Al-Si系列铸造合金[1-2].目前人们对A356合金的研究主要集中在晶粒细化,熔体处理和组织衰退等微观组织结构以及硬度,强度... of cast A356 alloys at room temperature were investigated, and the morphologies of fracture surfaces were analysed. The results show that four kinds of A356 alloys exhibit the evident cyclic hardening......
J. Cent. South Univ. (2020) 27: 542-553 DOI: https://doi.org/10.1007/s11771-020-4315-0 Bearing characteristics and fatigue damage mechanism of multi-pillar system subjected to different cyclic... University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: Aiming to investigate the fatigue damage mechanism and bearing characteristics of multi-pillar system under cyclic......
. The fatigue life is insensitive to the titanium alloying method. If alloys have the same titanium content, two kinds of alloys have similar low cycle fatigue life. Key words: A356 alloys; cyclic... of Fatigue and Energy Method About Estimation of Fatigue Life[D]. Shenyang: Northeast University, 1989. [16]Ellyin F. Effect of tensile-mean-strain on plastic strain energy and cyclic response[J]. J Eng......
J. Cent. South Univ. Technol. (2009) 16: 0013-0017 DOI: 10.1007/s11771-009-0002-x 1High temperature cyclic oxidation behavior of Y2O3-ZrO2 thermal barrier coatings irradiated by high-intensity... by high-intensity pulsed ion beam (HIPIB) was investigated under the cyclic oxidation condition of 1 050 ℃ and 1 h. The columnar grains in the TBCs disappear after the HIPIB irradiation at ion current......
to improve the integrative performance of zinc electrode. Key words: zinc electrode; galvanization coating; electrodeposition; micromorphology; cyclic life  ......
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