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J. Cent. South Univ. Technol. (2011) 18: 642-649 DOI: 10.1007/s11771-011-0742-2 Design and implementation of model test installation of heave compensation system of deepsea mining HU Qiong(胡琼)1... Abstract: In order to validate the simulation model and develop heave compensation control strategy, heave compensation model tests were performed. The model test installation includes the mining ship......
J. Cent. South Univ. (2016) 23: 3312-3321 DOI: 10.1007/s11771-016-3397-1 Model test to investigate failure mechanism and loading characteristics of shallow-bias tunnels with small clear distance LEI... of shallow-bias tunnels with small clear distance. Key words: shallow-bias; tunnels with small spacing; failure mechanism; loading characteristics; model test 1 Introduction Small clear distance tunnels have......
Trans. Nonferrous Met. Soc. China 26(2016) 2179-2187 Flow property of AA2B06 sheet using overlapping elliptical bulge test Yao WANG1, Li-hui LANG1,2, Tie-jun GAO3, Quan-da ZHANG1 1. School... elliptical bulge test, which can load and research thickness normal stress. Theoretical analysis model of the overlapping elliptical bulging was described, the equivalent stress-strain curves of target......
Sand deposit-detecting method and its application in model test of sand flowLI Wei(黎伟)1, 2, FANG Ying-guang(房营光)1, 2, MO Hai-hong(莫海鸿)1, 2, GU Ren-guo(谷任国)1, 2, CHEN Jun-sheng(陈俊生)1, 2(1. School... method was devised on the basis of full-scale model test of sand-flow method. The real-time data of sand-deposit height and radius were obtained by the self-developed sand-deposit detectors. The test......
Research on Test Unit for Determining Cooling Characteristics of Quenchants CHEN Nai-lu1,LI Lin-lin1,LIU Zhan-cang1,ZHANG Wei-min1,LIU Yang1 (1.School of Material Sci & Eng , Shanghai Jiao Tong University, Shanghai, 200030, China) 摘要:According to ASTM Designation DXXXX Standard Test Method for Determination of Cooling Characteristics of Quenchants by Cooling Curve Analysis with Agitation......
J. Cent. South Univ. (2020) 27: 2899-2913 DOI: https://doi.org/10.1007/s11771-020-4517-5 Brazilian disc test study on tensile strength-weakening effect of high pre-loaded red sandstone under... surrounding rock; strength-weakening effect; pre-static load; dynamic disturbance; tensile failure; Brazilian disc test Cite this article as: GONG Feng-qiang, WU Wu-xing, ZHANG Le. Brazilian disc test study......
Microstructure,tensile properties and free bulge formability of Sr-and Y-containing AZ31 alloy sheet produced by twin-roll casting and sequential hot rollingPeng Jiang1,2,Luo-Bin Li1,Yan-Dong...">The effects of Sr and Y on microstructure,tensile property and free bulge formability of AZ31 alloy sheet produced by twin-roll casting and sequential hot rolling were investigated to improve......
Development of New Sliver Probe for Cooling Power Test of Polymer Quenchants Mamoru Tajima1,Youichi Watanabe2,Shigeru Asada3,Katsumi ICHITANI4,Michiharu NARAZAKI5,Mitsugu TANAKA6,Hideo Yokota7...;6.Nissho Engineering Co., Ltd., Kobe, Japan;7.Nippon Oil Corporation, Yokohama, Japan) 摘要:Working group on cooling power test of quenchants of Japanese Heat Treatment Society has studied on the new......
on that of the interacting parameter. Table 2 DoE test plan and results Fig. 3 Bulge profiles for selected Cu/steel/Cu specimens Figure 4 portrays the influence of forming conditions on the mean..., 23460, KP, Pakistan Received 22 February 2018; accepted 16 May 2018 Abstract: Bulge is a defect that causes geometrical inaccuracy and premature failure in the innovative incremental sheet forming......
Standardization of New Sliver Probe for Cooling Power Test of Polymer Quenchant Michiharu NARAZAKI1,Hiroyuki IKUMI2,Katsumi ICHITANI3,Hideo Yokota4,Yasufumi SUGIURA5,Kazuyoshi YAMAMOTO6... quenchants. This method employed the cooling curve test of a new sliver rod probe,which has a metal-sheathed thermocouple at its geometrical center. The experimental study has clarified that this probe......