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首页> 外文期刊>ISIJ international >Microstructural and micro-textural evolution during single pass high Z-large strain deformation of a 0.15C steel
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Microstructural and micro-textural evolution during single pass high Z-large strain deformation of a 0.15C steel

机译：0.15C钢单程高Z大变形时的组织和微观组织演变

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摘要

Ultrafine grained microstructures and micro-textures formed dynamically during single-pass, high-Z, large-strain deformation have been analyzed in 0.15C steel. A single pass compression technique capable of imposing large plastic strain up to 4 was employed in the present study. Hardness test data revealed work hardening type behavior by pancake type grains while softening behavior was exhibited by equiaxed grains. Detailed micro-texture analysis carried out on the specimens deformed at different temperatures and strains rates in the warm working region revealed no significant difference among them. Even up to fairly high deformation temperatures of 923 K the texture consists of typical deformation components. Finally, based on the results obtained, fundamentals of ultrafine grained product design are discussed.
机译：在0.15C钢中，分析了在单道次高Z大应变变形过程中动态形成的超细晶粒组织和微观组织。本研究采用能够施加高达4的大塑性应变的单程压缩技术。硬度测试数据显示薄煎饼型晶粒具有加工硬化型行为，而等轴晶粒表现出软化行为。对在不同温度和变形速率下在热加工区域中变形的试样进行的详细显微组织分析表明，它们之间没有显着差异。即使高达923 K的相当高的变形温度，织构也包含典型的变形分量。最后，基于获得的结果，讨论了超细颗粒产品设计的基础。

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