In-situ analysis of redistribution of carbon and nitrogen during tempering of low interstitial martensitic stainless steel

被引：12
作者：
Niessen, F. [1 ,2 ]
Villa, M. [2 ]
Danoix, F. [3 ]
Hald, J. [2 ]
Somers, M. A. J. [2 ]
机构：
[1] Tech Univ Denmark, Danish Hydrocarbon Res & Technol Ctr, DK-2800 Lyngby, Denmark
[2] Tech Univ Denmark, Dept Mech Engn, DK-2800 Lyngby, Denmark
[3] Normandie Univ, UNIROUEN, INSA Rouen, CNRS,Grp Phys Mat, F-76000 Rouen, France
来源：
SCRIPTA MATERIALIA | 2018年 / 154卷
关键词：
Tempering; Segregation; Martensitic steels; Synchrotron radiation; Atom probe tomography; X-RAY-DIFFRACTION; ATOM-PROBE; AUSTENITE; KINETICS; BEHAVIOR;
D O I：
10.1016/j.scriptamat.2018.06.004
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The redistribution of C and N during tempering of X4CrNiMo16-5-1 martensitic stainless steel containing 0.034 wt% C and 0.032 wt% N was studied using in-situ synchrotron X-ray diffraction (XRD) and atom probe tomography (APT). The unit cell volume of martensite decreased continuously during tempering. APT showed that this volume decrease is accounted entirely for by segregation of the interstitial atoms, implying that in low interstitial martensitic stainless steel stress relaxation only contributes negligibly to changes in the martensite unit cell volume. (C) 2018 Acta Materialia Inc Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：216 / 219
页数：4
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