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J. Cent. South Univ. (2012) 19: 304-311 DOI: 10.1007/s11771-012-1005-6 Press cutting of thin-walled round pipe for producing curvilinear end WEN Tong(温彤), CHEN Xia(陈霞) College of Materials Science... of the unwanted distortions in the pipe wall during the press cutting process, the deformation of a thin-walled round pipe to form a curvilinear end was numerically and experimentally studied. Vector analysis......
基于Hibernate和Velocity技术的信息发布系统的实现 任丽敏1 (1.天津城市建设学院,天津,300384) 摘要:描述了一种通用的信息发布系统,阐述在Eclipse+Mysql+Tomcat环境中如何利用Hibernate和Velocity开发设计信息发布系统.提出了一种基于Web服务的系统结构模型,分层阐明了采用Hibernate技术实现持久层,应用Spring框架实现业务逻辑层,使用Struts框架与Velocity实现表现层等开发设计内容.同时对系统功能也作了详细说明. 关键词:系统构架; 数据库操作层; 持久层; 业务层; UI层; [全文内容正在添加中] ......
Cutting Characteristics of Zr-Based Bulk Metallic GlassD.X.Han1,G.Wang1,J.Li1,K.C.Chan2,S.To2,F.F.Wu2,Y.L.Gao1,Q.J.Zhai11. Laboratory for Microstructures,Shanghai University2. Department of Industrial and System Engineering,The Hong Kong Polytechnic University摘 要:Cutting behavior exerts a considerable influence on the fabrication of bulk metallic glass......
Rare earth ceramic cutting tool and its cutting behavior when machining hardened steel and cast iron许崇海1,2,张永莲1,吴光永1,王兴海3,张会发11. School of Mechanical Engineering,Shandong Institute of Light Industry2... of rare earth element yttrium played an important role in the improvement of both mechanical properties and wear resistance of Al2O3/(W,Ti)C ceramic cutting tool material.Mechanical properties......
Rare earth ceramic cutting tool and its cutting behavior when machining hardened steel and cast iron许崇海1,2,张永莲1,吴光永1,王兴海3,张会发11. School of Mechanical Engineering,Shandong Institute of Light Industry2... of rare earth element yttrium played an important role in the improvement of both mechanical properties and wear resistance of Al2O3/(W,Ti)C ceramic cutting tool material.Mechanical properties......
The Properties and Applications of MoS2/Ti Composite Coatings in Dry Cutting and Forming D.G. Teer1,S. Wagner2,Hailin Sun1,Xiaoling Zhang1,D. Becker2 (1.Teer Coatings Ltd., West Stine House, Berry... at a relative humidity of 40%, and high temperature resistance up to 350 ℃. The successful applications of MoSTTM coatings in largescale productions for dry cutting and forming, with increasing lifetime......
Structure and sliding wear behavior of 321 stainless steel/Al composite coating deposited by high velocity arc spraying technique CHEN Yong-xiong(陈永雄), XU Bin-shi(徐滨士), LIU Yan(刘 燕), LIANG Xiu... (321/Al coating) was prepared by high velocity arc spraying technique (HVAS) with 321 stainless steel wire as the anode and aluminum wire as the cathode. The traditional 321 stainless steel coating......
between static and dynamic fracture toughness of Huanglong limestone, relationship between the growth velocity of crack and dynamic fracture toughness was obtained. The main conclusions are summarized... to the logarithmic expression of loading rate. (3) For Huanglong limestone, when the growth velocity of crack is lower than 100 m/s, the energy release rate slightly decreases with increasing the growth velocity......
; 文献标志码:A High temperature erosion resistance of FeMnCrAl/Cr3C2 coatings deposited by high velocity arc spraying LUO Lai-ma1, LIU Shao-guang2, 3, YAO Ji-peng3, LI Jian2, WU Yu-cheng1 (1. College... New Material Co., Ltd., Wenzhou 325029, China) Abstract: FeMnCrAl/Cr3C2 coatings were deposited on AISI 1020 steel substrates by high velocity arc spraying. The microstructure, high......