共搜索到1808条信息，每页显示10条信息，共181页。用时：0小时0分0秒326毫秒
KINETICS OF TEMPER EMBRITTLEMENT IN 2.25Cr-1Mo STEEL USED FOR HOT-WALL HYDROFINING REACTORS J.Z.Tan1 (1.College of Mechanical and Power Engineering,Nanjing University of Technology,Nanjing 210009,China) Abstract:Based on the theory of grain boundary segregation,a kinetics model of temper embrittlement caused by long-term service for hot-wall hydrofining reactors was studied.The kinetics model......
Effect of Temper Temperature on Microstructures and Wear Resistance of Surfacing Deposits of Ferro-Base with Cr-W-MO Alloy Xu Liang1,Liu Jianhua2,Zhang Ruijun2,Yang Qingxiang2 (1.College...:In the paper, the effect of temper temperature on microstructures and wear resistance of surfacing deposits of Ferro-base with Cr-W-MO alloy were investigated. The results show that the secondary......
冷轧带钢平整机支撑辊辊型优化技术的研究王东城1,2,马庆龙1,刘宏民2(1.河北省秦皇岛市燕山大学轧制设备及成套技术教育部工程研究中心2.河北省秦皇岛市燕山大学亚稳材料制备技术与科学国家重点实验室)摘 要:为提高板形控制效果,以板形最优为目标,建立了一套冷轧带钢平整机支撑辊辊型优化模型.为提高寻优速度,将目标函数进行转化,避免了金属模型与辊系模型的迭代计算,有效降低了计算时间,增加了算法的强壮性.将优化结果应用于凌钢900 mm平整机,生产实践表明,优化辊型可明显增强轧机的板形控制能力,降低弯辊负担,改善板形控......
J. Cent. South Univ. (2018) 25: 151-158 DOI: https://doi.org/10.1007/s11771-018-3725-8 Semi-autogenous mill power prediction by a hybrid neural genetic algorithm Hoseinian Fatemeh Sadat1... of Kashan, Isfahan 8731753153, Iran Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract: There are few methods of semi-autogenous (SAG) mill power......
Algorithm design and application of novel GM-AGC based on mill stretch characteristic curveJI Ya-feng(姬亚锋), ZHANG Dian-hua(张殿华), CHEN Shu-zong(陈树宗), SUN Jie(孙杰), LI Xu(李旭), DI Hong-shuang(邸洪双)(State Key Laboratory of Rolling and Automation(Northeastern University), Shenyang 110819, China)Abstract:As the spring equation is limited to the accuracy of mill stiffness and the linearity of the mill......
; Simulation of type selection for 6-high cold tandem mill based on shape control ability PENG Yan(彭 艳), LIU Hong-min(刘宏民), WANG Dong-cheng(王东城) (Engineering... mill type that considered shape control ability was established using the figure alteration range that was worked by the alteration track of vector expressing strip’s cross section (crown) to express......
resistance, superior secondary-hardening ability and temper resistance. But excess niobium addition (>5 wt.%) leads to coarsened carbides and deteriorated toughness. EPMA results proved that niobium..., respectively. Key words: CPM121; niobium-alloying; microstructure; mechanical properties; temper resistance; wear resistance; rotary forging; powder metallurgy Cite this article as: ZHANG Qian-kun......
Surface topography multi-parameter analysis of textured rolls in cold temper mill XU Dong1, LI Hongbo1, ZHANG Jie1, FAN Qingguo2, LU Jinsong2, DONG Hailong2 (1. School of Mechanical Engineering... textured roll has better lubrication and bearing performance than that of shot blast textured roll. key words: temper mill; work roll; surface topography; surface roughness 随着汽车,家电等行业的快速发展,优质冷轧带钢的需求量逐年提高,表面......
......
......
