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. In this work, the main problem is to avoid fracture. Presently, forming limit curve (FLC) is widely applied to evaluating fracture in sheet metal forming[16], as well as the deformation amount...; (15) where is the forming limit curve of the formed material with ,, the major strain and minor strain in the FLD, respectively; is the limit strain......
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; (5) where is the major principal strain of the forming limit diagram (FLD); src="/web/fileinfo/upload... forming for aircraft skin is particularly close to uniaxial tension state[16], a two-stage uniaxial tension test with quenching was considered to evaluate the effect of pre-strain on the limit strain......
forming and solid state sintering. The wick could be divided into two parts for liquid capillary pumping flow: groove sintered zone and uniform sintered zone. Both of the thermal resistance network model and the maximum heat transfer capability model of GSHP were built. Compared with the theoretical values, the heat transfer limit and thermal resistance of GSHP were measured from three aspects......
). The relationship between LDH and forming temperature are shown in Fig.3. For isothermal forming, the fracture occurs at dome center and is independent of forming temperature. But the limit dome height... Influence of viscous medium temperature distribution on sheet fracture in viscous pressure forming at warm temperature LIU Jian-guang(刘建光)1, WANG Zhong-jin(王忠金)1, ZHANG Xin(张鑫)2, LI Yi(李毅)1 1......
, the limit deformation of tube part can be increased by several times. Meanwhile, the principle of viscous inner and outer pressure forming was provided, and key problems during the forming process...Viscous Inner and Outer Pressure Forming Method of Thin-walled Tube and Its Application高铁军1,LIU Yang1,WANG Zhongjin21. Faculty of Aerospace Engineering, Shenyang Aerospace University2. School......
-scale model is also established with adequate accuracy in a shorter computational time. The advanced forming limit of sheet metal, mainly about aluminum alloy, is also investigated. Besides the above...Developments of New Sheet Metal Forming Technology and Theory in ChinaShi-Hong Zhang,Shuai-Feng Chen,Yan Ma,Hong-Wu Song,Ming ChengInstitute of Metal Research, Chinese Academy of Sciences摘 要:
Dynamic limit equilibrium analysis of sliding block for rock slope based on nonlinear FEMLIU Yao-ru(刘相儒), HE Zhu(何柱), LENG Kuang-dai(冷旷代), HUANG Yue-qun(黄跃群), YANG Qiang(杨强)(State Key Laboratory of Hydroscience and Engineering (Tsinghua University), Beijing 100084, China)Abstract:Traditional rigid body limit equilibrium method (RBLEM) was adopted for the stability evaluation and analysis of rock......
Three-dimensional stability analysis of anisotropic and non-homogeneous slopes using limit analysisHAN Chang-yu(韩长玉), CHEN Jin-jian(陈锦剑), XIA Xiao-he(夏小和), WANG Jian-hua(王建华) (Department of Civil...-bound theorem of the limit analysis approach. The approach can be considered as a modification and extension of the solutions. The influences of friction angle, anisotropy factor, nonhomogeneous......
Target reliability index for serviceability limit state of single pilesBIAN Xiao-ya(边晓亚)1, ZHENG Jun-jie(郑俊杰)1, XU Zhi-jun(徐志军)2, ZHANG Rong-jun(章荣军)1(1. School of Civil Engineering & Mechanics... is to develop an approach for the determination of the target reliability index for serviceability limit state (SLS) of single piles. This contributes to conducting the SLS reliability-based design (RBD......
