Deformation and Dissolution of Cementite by Severe Plastic Deformation

机译：严重塑性变形使渗碳体变形和溶解

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Deformation and dissolution behavior of cementite in eutectoid steels with pearlitic and spheroidite structures were studied using high resolution SEM-EBSP and TEM. In rolled pearlite, cementite lamellae showed bending, sliding slip, smooth thinning, necking, fragmentation and fracture. Complete dissolution of cementite lamellae and cementite particles was observed in specimens deformed by a ball drop test, particle impact experiment and shot peening. The dissolution of cementite is always accompanied by the nanocrystallization of ferrite. New mechanisms underlying cementite dissolution by deformation are proposed to explain a sudden disappearance of spheroidal cementite.

机译：利用高分辨率SEM-EBSP和TEM研究了渗碳体在珠光体和球状结构共析钢中的变形和溶解行为。在轧制的珠光体中，渗碳体薄片显示出弯曲，滑移，平滑变薄，缩颈，碎裂和断裂。在通过落球试验，颗粒冲击试验和喷丸处理变形的样品中，观察到渗碳体薄片和渗碳体颗粒完全溶解。渗碳体的溶解总是伴随着铁素体的纳米结晶。提出了通过变形溶解渗碳体的新机制，以解释球形渗碳体的突然消失。

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《International Symposium on Metastable, Mechanically Alloyed and Nanocrystalline Materials(ISMANAM 2004); 20040822-26; Sendai(JP)》|2004年|P.157-160|共4页
会议地点 Sendai(JP)
作者
Minoru Umemoto; Yoshikazu Todaka; Akifumi Ohno; Mayumi Suzuki; Koichi Tsuchiya;
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作者单位

Department of Production Systems Engineering, Toyohashi University of Technology, Tempaku-cho, Toyohashi 441-8580, Japan;

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原文格式 PDF
正文语种 eng
中图分类工程材料一般性问题;
关键词
cementite; pearlite; deformation; dissolution; mechanical properties; characterization;

机译：渗碳体;珠光体;变形;溶解;力学性能;表征;

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专利

1. Shape Change and Dissolution of Cementite in Steels by Plastic Deformation [J] . Minoru Umemoto, Y. Todaka, K. Tsuchiya 材料とプロセス: 日本鉄鋼協会講演論文集 . 2003,第6期

机译：塑性变形中钢中渗碳体的形变和溶解
2. Dissolution of Carbon-Containing Particles Such as Soot, Cementite, and VC Carbides in FCC Fe-Ni Alloys upon Severe Cold Deformation [J] . V.V.Sagaradze, V.A.Shabashov, A.G.Mukoseev The Physics of Metals and Metallography . 2001,第3期

机译：严重冷变形后，FCC Fe-Ni合金中含碳颗粒（如烟灰，渗碳体和VC碳化物）的溶解
3. Complete dissolution of gamma prime via severe plastic deformation in a precipitation-hardened nickel-base superalloy [J] . Li Le, Liu Dejian Materials Letters . 2021,第Pta2期

机译：通过在沉淀 - 硬化镍基超合金中通过严重塑性变形完全溶解γprime
4. Deformation and Dissolution of Cementite by Severe Plastic Deformation [C] . Minoru Umemoto, Yoshikazu Todaka, Akifumi Ohno, International Symposium on Metastable, Mechanically Alloyed and Nanocrystalline Materials . 2005

机译：严重塑性变形的渗透晶体变形及溶解
5. Improving the Plasticity of Metallic Glass through Heterogeneity Induced by Electropulsing-Assisted Surface Severe Plastic Deformation [D] . Chi, Ma. 2019

机译：通过电动辅助表面严重塑性变形诱导的异质性提高金属玻璃的可塑性
6. Deformation heterogeneity and texture in surface severe plastic deformation of copper [O] . Saurabh Basu, Zhiyu Wang, Christopher Saldana -1

机译：铜表面严重塑性变形中的变形异质性和织构
7. Deformation-induced dissolution of copper precipitation in 1.5wtCu-bearing antibacterial Fe-17wtCr alloy during plastic deformation process [O] . Shaoheng Sun, Fei Yin, Yifei Liu, 2018

机译：塑性变形过程中1.5wt％Cu承载抗菌Fe-17wt％Cr合金中铜沉淀的变形溶解

Deformation and Dissolution of Cementite by Severe Plastic Deformation

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