Island-matrix inhomogeneous deformation behavior, formation of deformation band and BUT forming of DP steel

IF 0.5 Q4 ENGINEERING, MANUFACTURING

International Journal of Manufacturing Materials and Mechanical Engineering Pub Date : 2022-01-01 DOI:10.4018/ijmmme.299062

A. Rana

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引用次数: 0

Abstract

Islands-Matrix-Dual-phase (I-M-DP) steel is received a great deal attention for better concern with the emissivity, fuel consumption and passengers safety. A number of deformation plasticity issues are yet to be fully understood. Complex deformation stages for various stain is predicted as the natural outfall of the plastic strain localization caused by the ill-assorted deformation between the martensite-island phase and the ferritic-matrix phase. Modeling is carried out both in macro level by bending under tension (BUT) for different roller radius/sheet thickness ratios to acquire strain and stress state deformation and micro scale by Representative Volume Element (RVE) according to element position. It can relate both the 2D, 3D micro and macro scale finite element based BUT model’s result of flow behavior. Systematically strain based severe deformation pattern arises from outfall of plastic strain localization and von Mises stress distribution in island-matrix steels are investigated on the microstructure by finite element method for ill-assorted deformation between phases.

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DP钢的岛状基体非均匀变形行为、变形带的形成及BUT的形成

Islands Matrix双相（I-M-DP）钢因其对辐射率、燃料消耗和乘客安全的关注而受到广泛关注。许多变形塑性问题尚待充分理解。各种应变的复杂变形阶段被预测为由马氏体岛相和铁素体基体相之间的不协调变形引起的塑性应变局部化的自然出口。通过对不同辊径/板厚比的拉伸弯曲（BUT）在宏观层面上进行建模，以根据单元位置通过代表体积单元（RVE）获得应变和应力状态变形以及微观尺度。它可以关联基于二维、三维微观和宏观有限元的BUT模型的流动行为结果。采用有限元方法，系统地研究了由塑性应变局部化和岛基钢中von Mises应力分布的出口引起的基于应变的严重变形模式。

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来源期刊

International Journal of Manufacturing Materials and Mechanical Engineering ENGINEERING, MANUFACTURING-

CiteScore

2.70

自引率

0.00%

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