Effect of Quenching Parameters on Mechanical Property of Ultra High Strength Steel BR1500HS Based on Response Surface Methodology
Jie Zhou, Zhi-Yong Huang, Lei Lin, Shi-Yun Li
(College of Material Science and Engineering, Chongqing University, Chongqing 400044, China)
Abstract:
Hot stamping of high strength steels is defined as a process in which blank is heated to the temperature of the austenite stabilization region for a definite time and then formed and quenched simultaneously in a mold with cooling channels. During this process, the processing parameters of austenite temperature and soaking time have strong effects on the mechanical properties such as quenching hardness, tensile strength and elongation. Hence, it is necessary to investigate the relationship between the mechanical properties and the two processing parameters. In this paper, the orthogonal experiment with two factors and five levels was applied, and the experimental data based on the orthogonal experiment was acquired. Based on the data, regression models were set up and the results of the analysis of variance (ANOVA) showed that it is reliable to predict the quenching hardness, tensile strength and elongation by the regression models. Besides, the optimal results of each single object were obtained based on response surface methodology(RSM), and global optimums was gained by employing ideal point method in which the quenching hardness, and tensile strength and elongation were considered simultaneously.
Key words: hot stamping high strength steel (HSS) response surface methodology
DOI：10.11916/j.issn.1005-9113.2014.02.016
Clc Number:TG306
Fund:
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Effect of Quenching Parameters on Mechanical Property of Ultra High Strength Steel BR1500HS Based on
本站小编 哈尔滨工业大学/2019-10-23
相关话题/Effect Quenching Parameters Mechanical Property
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