共搜索到7230条信息,每页显示10条信息,共723页。用时:0小时0分2秒812毫秒
Effect of continuous annealing parameters on the mechanical properties and microstructures of a cold rolled dual phase steelShuang Kuang1),Yong-lin Kang1),Hao Yu1),Ren-dong Liu2) 1) School...="ChDivSummary" name="ChDivSummary">A cold rolled dual phase (DP) steel with the C-Si-Mn alloy system was trial-produced in the laboratory,utilizing a Glee-ble-3800 thermal simulator. The effects of continuous......
St37-2G冷轧板冲压成形性能控制段向东1(1.攀钢集团攀枝花钢钒有限公司,四川攀枝花 617062)摘 要:针对罩式退火生产工艺特点,系统研究了化学成分,冷轧压下率和退火工艺对St37-2G冷轧板组织和性能的影响,讨论了St37-2G冷轧钢塑性应变比的控制方法,提出了生产高塑性应变比加权平均值(rm)St37-2G冷轧板的工业技术方案.工业生产的St37-2G冷轧钢板具有优良的冲压成形性能.关键词:冷轧板; St37-2G; 碳素结构钢; 冲压成形性能; 塑性应变比; 应变硬化指数......
Effect of cold rolling on properties and microstructures of dispersion strengthened copper alloys GUO Ming-xing(郭明星)1, WANG Ming-pu(汪明朴)1, SHEN Kun(申 坤)1, CAO Ling-fei(曹玲飞)2, LEI Ruo-shan(雷若姗... and elongations in the longitudinal direction are higher than those in the transverse direction under both cold rolling and annealing conditions. Once fracture appears in their longitudinal stress......
Effect of different incidence angles on bonding performance in cold spraying LI Gang(李 刚)1, WANG Xiao-fang(王晓放)1, LI Wen-ya(李文亚)2 1. School of Energy and Power Engineering, Dalian University... behaviour of spray particles impacting upon a substrate under the oblique impact condition in cold spraying was investigated using finite element analysis(FEA) method. The effect of incidence angle......
......
by cold pressing was studied.The results indicate that rapid grain coarsening is driven by the dissolution of eutectic β phase material during the initial heating period of 0-10 min,so the AZ91 D...Semisolid microstructural evolution of (CNTs+Sip)/AZ91D powder compacts prepared from powders by cold pressing and remeltingPu-Bo Li,Wan-Ting Tan,Mang-Mang Gao,Kuan-Guan LiuNingxia Key Laboratory......
Working hardening behaviors of severely cold deformed and fine-grained AZ31 Mg alloys at room temperatureCHAO Hong-ying, SUN Hong-fei, WANG Er-de(School of Materials Science and Engineering, Harbin... curves of each investigated sample were analyzed for the dependence on drawn area reduction and mean grain size. The results show that the cold drawn samples exhibit a constant elastic modulus......
Optimization on springback reduction in cold stretch forming of titanium-alloy aircraft skin HE De-hua(何德华), LI Dong-sheng(李东升), LI Xiao-qiang(李小强), JIN Chao-hai(金朝海) School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China Received 6 January 2010; accepted 1 July 2010 Abstract: An optimization method was presented for cold stretch forming of titanium......
Microstructure stability of cold drawn AZ31 magnesium alloy during annealing processSUN Hong-fei, CHAO Hong-ying, WANG Er-de(School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China)Abstract:The microstructural evolution of heavily cold drawn AZ31 magnesium alloy wires was investigated during a wide range of annealing temperature from 200 to 450 °C......
J. Cent. South Univ. (2020) 27: 18-26 DOI: https://doi.org/10.1007/s11771-020-4274-5 Corrosion behavior and mechanical properties of cold metal transfer welded dissimilar AA7075-AA5754 alloys Nilay... 2020 Abstract: Cold metal transfer (CMT) welding is a brand-new arc welding technique which shows adequate results for welding of thin sheets and dissimilar materials. Corrosion behavior of dissimilar......