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Heat shock behavior of permanent die during non-solid near-net forming process ZHANG Mi-lan(张密兰)1,2, SHAN Zhong-de(单忠德)1, XING Shu-ming(邢书明)3, JIANG Chao(姜 超)1, XU Ying(许 应)1 1. State Key...; Abstract: Heat shocks caused by alloy melt and coat spraying are the main reason of die plastic deformation and early fracture. Based on theoretical analysis of heat shock......
Effect of Rare Earth Composite Modification on Microstructure and Properties of a New Cast Hot-Work Die Steel 王树奇1,方建儒1,姜启川1,关庆丰1 (1.Department of Materials Science and Engineering, Jilin University, Changchun 130025, China) Abstract:The effects of RE modification on structure and the properties of a new cast hot-work die (CHD) steel were investigated. The grains of the CHD steel are refined......
Effects of combined addition of Y and Ca on microstructure and mechanical properties of die casting AZ91 alloy WANG Feng(王 峰), WANG Yue(王 越), MAO Ping-li(毛萍丽), YU Bao-yi(于宝义), GUO Quan-ying(郭全英) School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110023, China Received 23 September 2009; accepted 30 January 2010 Abstract: A series of die......
Compressive behavior of NiAl/(Cr,Mo)Hf alloy prepared by high-pressure die casting and hot isostatic pressing DU Xing-hao(杜兴蒿)1, GUO Jian-ting(郭建亭)2 , WU Bao-lin(武保林)1 1. Department of Materials... Received 28 July 2006; accepted 15 September 2006 Abstract: The NiAl-28Cr-5.85Mo-0.15Hf alloy was prepared by high-pressure die casting (HPDC) and subsequent hot isostatic pressing(HIP), and tested......
J. Cent. South Univ. Technol. (2009) 16: 0546-0551 DOI: 10.1007/s11771-009-0091-6 Die design for cold precision forging of bevel gear based on finite element method Jin Jun-song(金俊松)1, Xia Ju-chen(夏巨谌)1, Wang Xin-yun(王新云)1, Hu Guo-an(胡国安)1, Liu Hua(刘 华)2 (1. State Key Laboratory of Material Process and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan......
, LEE S K, JUNG C S, KIM B M. A non-steady state FE analysis of Al tubes hot extrusion by a porthole die [J]. Journal of Materials Processing Technology, 2006, 173(4): 223-231. 工艺参数对铝连续挤压包覆护套成形的影响 赵 颖... Limited Company, Dalian 116100, China Received 30 November 2011; accepted 8 March 2012 Abstract: The effect of flow passage length in the die cavity and extrusion wheel velocity on the shape......
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Trans. Nonferrous Met. Soc. China 22(2012) 1723-1731 Advanced simulation of die wear caused by wire vibrations during wire-drawing process LEE Kyung-Hun1, LEE Sang-Kon2, KIM Byung-Min3 1. Precision... 2012 Abstract: An advanced simulation that considers the effect of wire vibrations was proposed for predicting accurately wear profiles of a die used in a wire-drawing process. The effect of wire......
Research on Thermal Wear of Cast Hot Forging Die Steel Modified by Rare Earths Chen Kangmin1,Wang Shuqi1,Jiang Qichuan2,Cui Xianghong2 (1.School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, China;2.School of Materials Science & Engineering, Jilin University, Changchun 130022, China) Abstract:Thermal wear of cast hot-forging die steel modified by rare earths(RE......
THE INVESTIGATION ON THE RHEOLOGICAL BEHAVIOR OF SEMI-SOLID ALUMINUM ALLOY DURING DIE CASTING J.Lin1,X.J.Yang2 (1.School of Mechanic & Electronic Engineering, Shanghai University, Shanghai 200072, China;2.School of Mechanic & Electronic Engineering, Nanch ang University, Jiangxi 330029, China) Abstract:Under the condition of die casting and reheating temperature of 570-580° C, the Rhe-ological......
