Effect of Rolling Elongation on the Mechanical Properties of IF Steel Foil
WANG Ming1, ZHANG Xu1, ZHAO Yang2, DU Liang1, CHENG Lili1, LIANG Meng1
1 School of Materials Science and Engineering, Liaoning Technical University, Fuxin 123000,China 2 School of Materials Science and Engineering, Northeastern University, Shenyang 110819,China
Abstract: IF steel (interstitial free steel) can be widely used in micro-electro-mechanical system (MEMS) as a structural component for the good for-mability and low yield strength. It can provide theoretical reference and practical value by studying the research on mechanical properties of IF steel foil. Based on the annealing treatment of cold rolling IF steel foil with different rolling extension rates,using the uniaxial tensile cantilever beam bending experiment combined with molecular dynamics calculation, the influence of different rolling elongation on the mechanical properties of IF steel foil was studied,and the deformation and damage mechanism of IF steel foil fatigue behavior were obtained, the rolling deformation factor was proposed. The results showed that with the increase of rolling elongation, the tensile strength of IF steel foil decreases. The elastic modulus value of IF steel was 228 GPa which was tested by the molecular dynamics simulate during the stretching process. The fatigue life of IF steel foil decreases with the increase of rolling elongation under the same cyclic strain amplitude. The larger the cyclic strain amplitude, the smaller the rolling deformation factor.
作者简介: 王鸣, 辽宁工程技术大学材料科学与工程学院副教授、硕士研究生导师。2005年7月本科毕业于东北大学材料与冶金学院,2011年7月在中国科学院金属研究所-东北大学联合培养取得材料学博士学位, 2011—2013年在德国伊尔梅瑙工业大学进行博士后工作。主要从事锂离子电池负极材料的制备与表征、纳米层状材料的力学变形行为与可靠性研究。近年来,发表论文 20 余篇,包括 Scripta Materialia,Applied Phy-sical Letters,Applied Surface Science,Journal of the European Ceramic Society和Materials Science and Engineering A等。
引用本文:
王鸣, 张旭, 赵阳, 都亮, 程丽丽, 梁萌. 轧制延展率对IF钢箔力学性能的影响[J]. 材料导报, 2020, 34(Z2): 395-398.
WANG Ming, ZHANG Xu, ZHAO Yang, DU Liang, CHENG Lili, LIANG Meng. Effect of Rolling Elongation on the Mechanical Properties of IF Steel Foil. Materials Reports, 2020, 34(Z2): 395-398.
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