| ECAP温变形碳素钢中铁素体晶粒的细化机制 |
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| 引用本文： | 冯广海,杜忠泽,王经涛,赵西成.ECAP温变形碳素钢中铁素体晶粒的细化机制[J].材料研究学报,2011(2):151-157. |
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| 作者姓名： | 冯广海 杜忠泽 王经涛 赵西成 |
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| 作者单位： | 西安建筑科技大学冶金工程学院;南京理工大学材料科学与工程系; |
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| 基金项目： | 国家自然科学基金59974018资助项目~~ |
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| 摘 要： | 在500℃采用C方式ECAP变形制备了亚微晶45钢,用光学显微镜(OM)、透射电子显微镜(TEM)和电子衍射(SAED)等分析技术对其进行表征,研究了铁素体组织的演变特征和晶粒细化机制.结果表明:在初始变形道次后,原始的粗大铁素体晶粒因剧烈剪切变形而沿着剪切变形的方向形成剪切变形带,在其内大量的具有亚微米尺寸的板条状位...
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| 关 键 词： | 金属材料 钢 亚微晶组织 剧烈塑性变形 ECAP变形 剪切变形带 |
Grain Refinement Mechanism of the Ferrite Grains in a Carbon Steel by Warm Equal Channel Angular Pressing |
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| FENG Guanghai DU Zhongze WANG Jingtao ZHAO Xicheng .School of Metallurgical Engineering,Xi'an University of Architecture , Technology,Xi'an.Grain Refinement Mechanism of the Ferrite Grains in a Carbon Steel by Warm Equal Channel Angular Pressing[J].Chinese Journal of Materials Research,2011(2):151-157. |
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| Authors: | FENG Guanghai DU Zhongze WANG Jingtao ZHAO Xicheng School of Metallurgical Engineering Xi'an University of Architecture Technology Xi'an |
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| Affiliation: | FENG Guanghai~(1**) DU Zhongze~1 WANG Jingtao~2 ZHAO Xicheng~1 1.School of Metallurgical Engineering,Xi'an University of Architecture and Technology,Xi'an 710055 2.Department of materials science and engineering,Nanjing University of Science and Technology,Nanjing 210094 |
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| Abstract: | |
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| Keywords: | metallic materials steel submicrometer grained microstructure SPD ECAP shear bands |
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