On phase transformation induced effects controlling the initial flow behavior of ferritic-martensitic dual-phase steels

A. Fillafer; E. Werner; C. Krempaszky

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On phase transformation induced effects controlling the initial flow behavior of ferritic-martensitic dual-phase steels

机译：控制铁素体-马氏体双相钢初始流动行为的相变诱导效应

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In the present work, peculiarities of the macroscopic, initial flow behavior of ferritic-martensitic dual-phase steels and their causes are discussed. For this purpose, results of continuum-micromechanical finite-element simulations on model microstructures are presented. During production of dual-phase steels, a portion of their microstructure, i.e. austenite transforms to martensite and thereby expands. This causes "transformation induced" residual stresses and plastic strains in their microstructure. These quantities are identified to govern the initial flow behavior of these steels.

机译：在本工作中，讨论了铁素体-马氏体双相钢的宏观，初始流动行为的特点及其成因。为此，提出了对模型微结构进行连续微机械有限元模拟的结果。在生产双相钢期间，其显微组织的一部分，即奥氏体转变为马氏体，从而膨胀。这会在其微观结构中引起“由变形引起”的残余应力和塑性应变。确定这些量以控制这些钢的初始流动行为。

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《Materials Science and Engineering》 |2017年第21期|556-562|共7页
作者
A. Fillafer; E. Werner; C. Krempaszky;
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作者单位

Institute of Materials Science and Mechanics of Materials, Technische Universitaet Muenchen, Boltzmannstraβe 15, 85748 Garching, Germany;

Institute of Materials Science and Mechanics of Materials, Technische Universitaet Muenchen, Boltzmannstraβe 15, 85748 Garching, Germany;

Institute of Materials Science and Mechanics of Materials, Technische Universitaet Muenchen, Boltzmannstraβe 15, 85748 Garching, Germany;

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正文语种 eng
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关键词
Ferritic-martensitic dual-phase steels; Plasticity; Micromechanics; Finite-element method;

机译：铁素体-马氏体双相钢;可塑性;微力学;有限元法;

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On phase transformation induced effects controlling the initial flow behavior of ferritic-martensitic dual-phase steels

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