Cr–Ni冷轧钢应变诱发马氏体的形态细节

Q4 Engineering

International Journal of Modern Manufacturing Technologies Pub Date : 2022-12-20 DOI:10.54684/ijmmt.2022.14.3.112

A. Kurc-Lisiecka

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引用次数: 1

摘要

研究了AISI304不锈钢在10%和50%变形度下冷轧过程中应变诱发马氏体的演变’ 利用光学图像分析、扫描电镜和透射电镜对马氏体进行了研究。报道了应变诱发马氏体对AISI 304钢力学性能和硬度的影响。AISI 304钢冷轧过程中的塑性变形引起马氏体相变（γ→α’）在整个应用变形程度的范围内。在交货状态下，在钢的微观组织中观察到含奥氏体退火孪晶的等轴晶粒。在变形过程中，奥氏体晶粒的形状转变为平行于轧制方向的细长带。在大变形程度下，在微观结构中观察到许多剪切带和微孪晶。马氏体是由转变（γ→α’）对所研究钢种的性能有明显影响。研究发现，钢的硬化作用是由于’-结构中的马氏体。“

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MORPHOLOGICAL DETAILS OF STRAIN-INDUCED MARTENSITE IN COLD-ROLLED Cr – Ni STEEL

"The investigation presents the evolution of strain-induced martensite during cold rolling of AISI 304 stainless steel at 10% and 50% degree of deformation. The morphologies and characteristics of ’ martensite have been studied using optical-image analysis, scanning and transmission electron microscope. The influence of strain-induced martensite on mechanical properties and hardness of AISI 304 steel have been reported. Plastic deformation during the cold rolling of AISI 304 steel induces a martensitic transformation (γ→α’) in the whole range of applied deformation degree. The equiaxial grains of austenite containing annealing twins were observed within the microstructure of steel at delivery state. During the deformation process the shape of austenite grains was changed into long slim bands parallel to the rolling direction. Many shear bands and micro-twins were observed in the microstructure at large deformations degrees. The martensite, which was formed as a result of the transformation (γ→α’) induced by deformation, has a distinct influence on properties of the investigated steel grade. It was found that the effect of steel hardening is a result of a significant increase of the volume fraction of the ’-martensite in the structure. "

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来源期刊

International Journal of Modern Manufacturing Technologies Engineering-Industrial and Manufacturing Engineering

CiteScore

0.70

自引率

0.00%

发文量

期刊介绍： The main topics of the journal are: Micro & Nano Technologies; Rapid Prototyping Technologies; High Speed Manufacturing Processes; Ecological Technologies in Machine Manufacturing; Manufacturing and Automation; Flexible Manufacturing; New Manufacturing Processes; Design, Control and Exploitation; Assembly and Disassembly; Cold Forming Technologies; Optimization of Experimental Research and Manufacturing Processes; Maintenance, Reliability, Life Cycle Time and Cost; CAD/CAM/CAE/CAX Integrated Systems; Composite Materials Technologies; Non-conventional Technologies; Concurrent Engineering; Virtual Manufacturing; Innovation, Creativity and Industrial Development.