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双相奥氏体和马氏体高锰钢的变形行为

Deformation behavior of duplex austenite and -martensite high-Mn steel.

作者信息

Kwon Ki Hyuk, Suh Byeong-Chan, Baik Sung-Il, Kim Young-Woon, Choi Jong-Kyo, Kim Nack J

机构信息

Graduate Institute of Ferrous Technology, POSTECH, 790-784 Pohang, Korea.

Department of Materials Science and Engineering, POSTECH, 790-784 Pohang, Korea.

出版信息

Sci Technol Adv Mater. 2013 Mar 12;14(1):014204. doi: 10.1088/1468-6996/14/1/014204. eCollection 2013 Feb.

DOI:10.1088/1468-6996/14/1/014204
PMID:27877552
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5090570/
Abstract

Deformation and work hardening behavior of Fe-17Mn-0.02C steel containing -martensite within the austenite matrix have been investigated by means of microstructural observations and x-ray diffraction analysis. During deformation, the steel shows the deformation-induced transformation of austenite → -martensite → '-martensite as well as the direct transformation of austenite → '-martensite. Based on the calculation of changes in the fraction of each constituent phase, we found that the phase transformation of austenite → -martensite is more effective in work hardening than that of -martensite → '-martensite. Moreover, reverse transformation of -martensite → austenite has also been observed during deformation. It originates from the formation of stacking faults within the deformed -martensite, resulting in the formation of 6H-long periodic ordered structure.

摘要

通过微观结构观察和X射线衍射分析，研究了奥氏体基体中含有马氏体的Fe-17Mn-0.02C钢的变形和加工硬化行为。在变形过程中，该钢表现出奥氏体→马氏体→马氏体的变形诱导转变以及奥氏体→马氏体的直接转变。基于各组成相分数变化的计算，我们发现奥氏体→马氏体的相变在加工硬化方面比马氏体→马氏体更有效。此外，在变形过程中还观察到马氏体→奥氏体的逆转变。它源于变形马氏体中堆垛层错的形成，导致形成6H长周期有序结构。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/44b4637f84c6/TSTA11661343F08.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/45139761ca9b/TSTA11661343F01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/8ad22db233e4/TSTA11661343F02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/4856dd41970c/TSTA11661343F03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/4866617e2bd9/TSTA11661343F04.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/a7aad848b288/TSTA11661343F05.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/9da13959061b/TSTA11661343F06.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/95bb6c0f3ae0/TSTA11661343F07.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/44b4637f84c6/TSTA11661343F08.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/45139761ca9b/TSTA11661343F01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/8ad22db233e4/TSTA11661343F02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/4856dd41970c/TSTA11661343F03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/4866617e2bd9/TSTA11661343F04.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/a7aad848b288/TSTA11661343F05.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/9da13959061b/TSTA11661343F06.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/95bb6c0f3ae0/TSTA11661343F07.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/094a/5090570/44b4637f84c6/TSTA11661343F08.jpg

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