Physical interpretation of the microstructure for aged 12 Cr-Mo-V-W steel creep test samples based on simulation of magnetic incremental permeability

被引：17

作者：

Gupta, Bhaawan ^{[1
,2
,3
]}

Ducharne, Benjamin ^{[2
]}

Sebald, Gael ^{[1
]}

Uchimoto, Tetsuya ^{[1
,3
]}

Miyazaki, Takamichi ^{[4
]}

Takagi, Toshiyuki ^{[1
,3
]}

机构：

[1] Tohoku Univ, ELyTMaX UMI 3757, CNRS Univ Lyon Tohoku Univ Int Joint Unit, Sendai, Miyagi, Japan

[2] Univ Lyon, EA682, LGEF, INSA Lyon, F-69621 Villeurbanne, France

[3] Tohoku Univ, Inst Fluid Sci, Sendai, Miyagi, Japan

[4] Tohoku Univ, Grad Sch Engn, Instrumental Anal Grp, Sendai, Miyagi, Japan

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2019年 / 486卷

关键词：

Magnetic incremental permeability; Jiles-Atherton model; Creep; Micro magnetic non-destructive testing; JILES-ATHERTON MODEL; NONDESTRUCTIVE EVALUATION; HYSTERESIS;

D O I：

10.1016/j.jmmm.2019.165250

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetic Incremental Permeability (MIP) being highly stress dependent proves to be very effective to evaluate materials non-destructively. In this article, modelling technique based on Jiles-Atherton model has been proposed to simulate the signature MIP butterfly loop for the 12 Cr-Mo-V-W creep test samples. Jiles-Atherton parameters imply physical interpretations. From these butterfly loops, a physical relation, based on the values of the J-A's parameters, with the microstructure such as precipitations, dislocations, Kernel Average Misorientation (KAM) has been investigated with experimental as well as simulation validations. It is especially observed that J-A's parameters are well correlated to the precipitation quantity and KAM.

引用

页数：11

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