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) and the second is the ratio of wax precipitation Cs/Cd. τy is the yield stress when the final dynamic cooling temperature is Td and the measurement temperature is T, Pa; τys is the yield stress when... of ±20 Pa. There are 114 groups of data, which cover a ratio of 82.0% of the total data, between the error lines above. The comparison between the predicted result and measured result of yield stress......
Effect of laser shock processing on residual stress andfatigue behavior of 6061-T651 aluminum alloy REN Xu-dong(任旭东)1, ZHANG Yong-kang(张永康)1, 2, ZHOU Jian-zhong(周建忠)1, FEN Ai-xin(冯爱新)1 1. Jiangsu... compressive stresses much deeper into the surfaces of metals or alloys. A brief parametric study of the effect of laser parameters on fatigue behavior and residual stress state generated in 6061-T651 alloy......
J. Cent. South Univ. Technol. (2008) 15: 198-203 DOI: 10.1007/s11771-008-0038-3 Simulation of thermal and sodium expansion stress in aluminum reduction cells LI Jie(李 劼), WU Yu-yun(伍玉云), LAI... were built up for analysis of stress field in the lining of aluminum electrolysis cells. Distribution of sodium concentration in cathode carbon blocks was calculated by one FE model of a cathode......
foundation with nine rammed tapered cement-soil piles were performed in laboratory, respectively. The average settlement difference among pile and soil, pile stress, average pile-soil stress ratio... behavior of rammed tapered cement-soil piles in the composite foundation can be exerted by enhancing its taper. Within some load scopes, the average pile-soil stress ratio of composite foundation with rammed......
in Tarim Basin as an example, the drill core is shown in Figure 1. The physical parameters of core, such as elastic modulus, Poisson ratio, permeability coefficient, porosity, cohesion stress, friction... J. Cent. South Univ. (2018) 25: 1766-1773 DOI: https://doi.org/10.1007/s11771-018-3867-8 Stress distribution and its influencing factors of bottom-hole rock in underbalanced drilling ZHANG Ran(张然)1......
J. Cent. South Univ. (2020) 27: 3163-3174 DOI: https://doi.org/10.1007/s11771-020-4538-0 Measuring internal residual stress in Al-Cu alloy forgings by crack compliance method with optimized...-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: Measuring the internal stress of Al alloy forgings accurately is critical for controlling the deformation during the subsequent machine......
J. Cent. South Univ. (2016) 23: 2972-2983 DOI: 10.1007/s11771-016-3361-0 Limit equilibrium method for slope stability based on assumed stress on slip surface DENG Dong-ping(邓东平), ZHAO Lian-heng(赵炼恒...) strength criterion and the initial normal stress without considering the inter-slice (or inter-column) forces, the normal and shear stresses on the slip surface are assumed using some dimensionless......
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limit with mean stresses[J]. Engineering Mechanics, 2015, 32(10): 25-30. [19] MIKADO H, ISHIHARA S, OGUMA N, MASUDA K, KITAGAWA S, KAWAMURA S. Effect of stress ratio on fatigue lifetime and crack growth behavior of WC-Co cemented carbide[J]. Transactions of Nonferrous Metals Society of China, 2014, 24(S1): s14-s19. [20] LIU X L, SUN C Q, HONG Y S. Effects of stress ratio on high-cycle and very-high......
Flow stress and tribology size effects in scaled down cylinder compression GUO Bin(郭 斌)1, 2, GONG Feng(龚 峰)1, WANG Chun-ju(王春举)1, 2, SHAN De-bin(单德彬)1, 2 1. School of Materials Science... because of size effects. Flow stress and tribology size effects were studied. Scaled down copper T2 cylinder compression was carried out with the lubrication of castor oil and without lubrication......
