共搜索到6001条信息,每页显示10条信息,共601页。用时:0小时0分0秒546毫秒
; 文章编号:1672-7207(2019)05-1229-06 Experimental research on nonlinear creep model of crumb rubber asphalt sand LIU Haoxuan1,2, ZENG Guowei1,2, BAI Fan3, WU Liang1, ZHENG Huasheng1 (1. School... model was proposed to study the nonlinear creep recovery behavior of crumb rubber asphalt sand. A series of compressive creep tests were conducted on crumb rubber asphalt sand......
theory, the mechanism of temperature change in stator rubber lining was studied, and the coupled thermal-structure effect on stator rubber lining was analyzed with the finite element simulation. The temperature field distribution characteristics, thermal stress and strain law were analyzed. The effects of rubber hardness, Poisson ratio, static pressure, rotor speed, strata temperature and differential......
and Engineering, University of Science and Technology Beijing, Beijing 100083, China) Abstract: AZ91 and AZ91+2.0%Si Mg alloys were prepared by spray forming technology in protecting atmosphere... forming process restrains the growth of Mg2Si. Mg2Si existing in the fine grains, presents polygonal or near round shape, which uniformly distributes and can be the heterogeneous core of α-Mg, so......
Numerical simulation and its application of rheological forming of titanium alloy vane disk YU Min(余 敏)1,2, LUO Ying-she(罗迎社)1, PENG Xiang-hua(彭相华)3, QIN Yin-hui(覃银辉) 1,2 1. Institute... forming method was proposed to form the second titanium alloy vane disk. The hot rheological forming process of the TC11 titanium vane disk under a certain temperature and different strain rates......
Heat shock behavior of permanent die during non-solid near-net forming process ZHANG Mi-lan(张密兰)1,2, SHAN Zhong-de(单忠德)1, XING Shu-ming(邢书明)3, JIANG Chao(姜 超)1, XU Ying(许 应)1 1. State Key Laboratory of Advanced Forming Technology and Equipment, Advanced Manufacture Technology Center, China Academy of Machinery Science and Technology, Beijing 100083, China; 2. School of Mechanical......
Incremental forming of free surface with magnesium alloy AZ31 sheet at warm temperatures Y. H. JI, J. J. PARK Department of Mechanical and System Design Engineering, Hongik...; Abstract: The formability of AZ31 sheet begins to increase drastically at 150 ℃. The incremental forming technique was thus applied to AZ31......
Effect of temperature on vacuum hot bulge forming of BT20 titanium alloy cylindrical workpiece WANG Ming-wei(王明伟)1, 2, ZHANG Li-wen(张立文)1, 2, PEI Ji-bin(裴继斌)1, 2, LI Chen-hui(李辰辉)3, ZHANG Fan... parameters for BT20 titanium alloy cylindrical workpiece manufactured by vacuum hot bulge forming. A two-dimensional nonlinear thermo-mechanical coupled FE model was established. Numerical simulation......
Improving effect on forming quality and accuracy using a polyurethane board positioning/resetting the discrete steel pad in multi-point formingEr-hu Qu1,2,3,Ming-zhe Li1,2,31. College of Materials Science and Engineering,Jilin University2. Roll Forging Institute,Jilin University摘 要:To improve the quality of multi-point die forming, a new approach using......
; 文章编号:1672-7207(2016)10-3498-09 Influence of uneven aging on mechanical property of natural rubber bearing for offshore bridge and simplified aging prediction method MA Yuhong1... University, Guangzhou 510006, China) Abstract: The natural rubber bearing, rubber block and rubber sheet with the same rubber material were put forward together on the same experimental condition......
Finite element simulation of aluminum alloy cross valve forming by multi-way loading ZHANG Da-wei(张大伟), YANG He(杨 合), SUN Zhi-chao(孙志超) State Key Laboratory of Solidification Processing, School... and coupled effects have a significant influence on forming process and quality of component formed, which are very complex in forming process of aluminum alloy 7075 cross valve under multi-way......