Tensile and Spring-Back Behavior of DP600 Advanced High Strength Steel at Warm Temperatures

查看全文 作　　者：F [1]Ozturk;S [1]Toros;S [1]Kilic

机构地区：[1]Department of Mechanical Engineering,Nigde University

出　　处：《Journal of Iron and Steel Research(International)》索引2009年第16卷第6期,共6页

基　　金：Item Sponsored by Scientific and Technological Research Council of Turkey(107 M596) 摘　　要：In recent years,the use of advanced high strength steels in automotive industry has been increased remarkably.Among advanced high strength steels,dual phase(DP) steels have gained a great attention owing to a combination of high strength and good formability.However,high strength usually increases the spring-back behavior of the material,which creates problems for the parts during the assembly.Thus,the uniaxial tensile deformation and spring-back behaviors of DP600 advanced high strength steel were investigated in rolling(0°),diagonal(45°),and transverse(90°) directions in the temperature range from room temperature(RT) to 300 ℃.All tests were performed at a deformation speed of 25 mm/min.A V-shaped die(60°) was used for the spring-back measurements.The results indicated that the formability and spring-back of the material were decreased with increasing the temperatures.The material showed complex behaviors in different directions and at different temperatures. 关键词：高强度钢拉伸变形行为回弹温暖温度范围汽车行业房间温度

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Tensile and Spring-Back Behavior of DP600 Advanced High Strength Steel at Warm Temperatures

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