共搜索到3425条信息,每页显示10条信息,共343页。用时:0小时0分0秒466毫秒
J. Cent. South Univ. Technol. (2011) 18: 530-535 DOI: 10.1007/s11771-011-0727-1 Influence of pore water pressure on upper bound analysis of collapse shape for square tunnel in Hoek-Brown media... Berlin Heidelberg 2011 Abstract: To investigate the effective shape of collapsing block in square tunnel subjected to pore water pressure, the analytical solution of detaching curve was derived using......
J. Cent. South Univ. (2012) 19: 2047-2053 DOI: 10.1007/s11771-012-1243-7 Attenuation-type and failure-type curve models on accumulated pore water pressure in saturated normal consolidated clay... triaxial test results of saturated soft clay, similarities of variations between accumulated pore water pressure and accumulated deformation were analyzed. The Parr’s equation on accumulated......
of adhesive layer on the corrosion resistance of weld joint was also discussed. The results indicate that addition of adhesive can improve the block of heat transfer caused by the interstice of overlap welding and the feature of welding are uniformly continuous without pore or flaw at the welding process parameters as follows, such as laser power of 1650W,welding speed of 35mm/s, defocusing amount of +3.0......
J. Cent. South Univ. (2017) 24: 2556-2564 DOI: https://doi.org/10.1007/s11771-017-3669-4 Theoretical and experimental investigation of gas metal arc weld pool in commercially pure aluminum: Effect..., effects of droplet heat content and impact force on weld pool surface deformation were added to the model. The results of simulation showed that an increase in the welding current could increase peak......
APPLICATION OF COMPUTER NUMERICAL METHOD IN PORE STRUCTURE CALCULATION崔崇,陆宇萍摘 要:<正>This paper compares the results Of calculat-ing pore structure and graphing differential and integralpore size distribution by hand and Computer,and presents thatlagrangian interpolation uesd by calculating pore structure issuitable and reliable.关键词:......
Microstructure and mechanical properties of Al-Mg-Mn-Zr-Er weld joints filled with Al-Mg-Mn-Zr and Al-Mg-Mn-Zr-Er weld wires韦小园,黄晖,陈子勇,王为,李聪颖,聂祚仁College of Materials Science and Engineering, Beijing... properties of Al-Mg-Mn-Zr-Er alloy weld joints filled with Φ1.6 mm Al-Mg-Mn-Zr and Al-Mg-Mn-Zr-Er welding wires were studied by optical microscopy, scanning electron microscopy, transmission electron......
Microstructure and mechanical properties of Al-Mg-Mn-Zr-Er weld joints filled with Al-Mg-Mn-Zr and Al-Mg-Mn-Zr-Er weld wires韦小园,黄晖,陈子勇,王为,李聪颖,聂祚仁College of Materials Science and Engineering, Beijing... properties of Al-Mg-Mn-Zr-Er alloy weld joints filled with Φ1.6 mm Al-Mg-Mn-Zr and Al-Mg-Mn-Zr-Er welding wires were studied by optical microscopy, scanning electron microscopy, transmission electron......
Image processing of weld pool and keyhole in Nd:YAG laser welding of stainless steel based on visual sensing GAO Jin-qiang1, QIN Guo-liang1, YANG Jia-lin2, HE Jian-guo2, ZHANG Tao1, WU Chuan-song1... quality control because there are many influencing factors in laser welding process. The key to realize welding quality control is to obtain the quality information. Abundant weld quality information......
EFFECT OF CARBON MIGRATION ON CREEP PROPERTIES OF Cr5Mo DISSIMILAR WELDED JOINTS WITH Ni-BASED AND AUSTENITIC WELD METAL J.M.Gong1,S.T.Tu1,Y.Jiang1 (1.Nanjing University of Technology, Nanjing... with Ni-based (Inconel 182) and Cr23Ni13 (A302) austenitic weld metal was investigated. Carbon migration near the weld metal/ferritic steel interface of Cr5Mo dissimilar welded joints was analyzed by aging......
Mechanical Properties and Weld Properties of Beta-21S彭益群摘 要:MechanicalPropertiesandWeldPropertiesofBeta-21SPengYiqun(彭益群)(GereralResearchInstiuteforNon-ferrousMetals,Beijing100088,China...关键词:......