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Refinement of packet size in low carbon bainitic steel by special thermo-mechanical control processChengjia Shang;Xuemin Wang;Shanwu Yang;Xinlai He Materials Science and Engineering School... austenite grain and refine the bainitic packet size. For the optimum relaxation time, the packet size can berefined to the finest. The mechanical properties are influenced by relaxation time and the 800 MPa......
Formation Mechanism in Alloy Steel Rolling Process Using Thermo-mechanical Coupling Method杨理诚摘 要:Based on the theory of elastic-plastic finite element method, the high-speed hot continuous rolling process of a billet is simulated and analyzed in vertical and horizontal passes. The billet is dragged into the passes by contact friction force between......
3-D thermo-mechanical coupled FEM simulation of continuous hot rolling process of 60SiMnA spring steel bars and rodsJiahe Ai, Huiju Gao, Tongchun Zhao, Xishan Xie, and Yu LiuDepartment of Materials..." name="ChDivSummary"><正> The 3-D thermo-mechanical coupled elasto-plastic finite element method (FEM) was used for the simulation of the two-pass continuous hot rolling process of 60SiMnA spring......
Glycidyl methacrylate-compatibilized poly(lactic acid)/hemp hurd biocomposites: Processing, crystallization, and thermo-mechanical responseBelas Ahmed Khan1,Venkata Chevali1,Hao Wang11. Centre... in crystallinity, and showing a range of thermo-mechanical properties desirable for rigid biocomposite applications.关键词:......
), followed by T6 treatment. The microstructural evolution and mechanical properties were investigated. Results showed that the status of B4C particles changed from a network after SPS to a dispersion... and subsequent heat treatment [J]. Journal of Central South University, 2021, 28(8): 2295-2306. DOI: https://doi.org/10.1007/s11771-021-4770-2. 1 Introduction With excellent comprehensive mechanical......
on thermo-mechanical coupling XIONG Yong-gang1, 2, LIU Yun-yu3, CHEN Ke-liang1, LI Xiao-dong1, 2, TAN Jian-ping2 (1. School of Mechanical Engineering, Hunan University of Technology, Zhuzhou 412008..., China) Abstract: According to the rolled technology and characteristics of roller, the thermo-mechanical coupled mathematical model was established for roller elastic deformation. The law of roll casting......
by means of hardness, tensile test, SEM and TEM. After the T9I6 heat treatment, the yield strength, tensile strength and elongation of 2519A aluminum alloy can reach 501 MPa, 540 MPa and 14...合金,其塑性及断裂韧性有了较为明显的提高. 表2 2519A-T87和2519A-T9I6的室温力学性能 Table 2 Mechanical properties of 2519A-T87 and 2519A- T9I6 at room temperature 2.4 显微组织分析 在TecnaiG220透射电镜下分别对2519A经T87和T9I6峰时效后进......
. On one hand, after T9I6 treatment, 2519A aluminum alloy produces plenty of finer precipitates and narrower precipitate-free zones (PFZs) than 2519-T87 aluminum alloy, which results in the increase...)应力腐蚀试验,极化曲线测试及透射电镜观察研究断续时效对2519A铝合金抗应力腐蚀性能的影响.结果表明:断续时效T9I6工艺下2519A铝合金的应力腐蚀开裂门槛应力强度因子为29.07 MPa·m1/2,比T87态铝合金的降低了4.79 MPa·m1/2.与T87态铝合金相比,T9I6态铝合金极化电阻较小,极化电流较大.合金经T9I6处理后形成大量细小的沉淀相,与T87态铝合金相比,该合金中无沉淀析......
materials, including mechanical and electromagnetic stirring and ultrasonic vibration [11]. Recent reports have indicated that isothermal heat treatment can facilitate the evolution of dendrites.... [9] YANG Zhao, XU Hong-yu, WANG Ye, HU Mao-liang, JI Ze-sheng. Investigation of the microstructure and mechanical properties of AZ31/graphene composite fabricated by semi-solid isothermal treatment......
sprayed coatings through suitable processing parameters. Furthermore, post treatment for coatings is always carried out after plasma spraying in order to further improve the mechanical property of coatings... Influence of processing parameters and heat treatment on phase composition and microstructure of plasma sprayed hydroxyapatite coatings ZHAO Guo-liang(赵国亮)1, WEN Guang-wu(温广武)1, WU Kun......