Damage Evaluation of Austenitic Steels by Eddy Current and Acoustic Measurements for Fatigue Fracture

被引：0
|
作者：
Mishakin, V. V. [1 ,2 ]
Klyushnikov, V. A. [2 ]
Gonchar, A. V. [2 ]
机构：
[1] Nizhnii Novgorod State Tech Univ, 24 Minina St, Nizhnii Novgorod 603950, Russia
[2] RAS, Branch Fed Res Ctr, Inst Appl Phys, Mech Engn Res Inst, 85 Belinskogo St, Nizhnii Novgorod 603024, Russia
来源：
MECHANICS, RESOURCE AND DIAGNOSTICS OF MATERIALS AND STRUCTURES (MRDMS-2018) | 2018年 / 2053卷
关键词：
D O I：
10.1063/1.5084499
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
We proposed an algorithm for estimating fatigue damage by NDT methods for austenitic steels subjected to fatigue fracture. The algorithm is based on determining the effect of structural damage and martensite deformation on Poisson's ratio. Taking into account the influence of martensite (magnetic phase) on Poisson's ratio, it is possible to estimate structural damage in the process of cyclic deformation of austenitic steel. Poisson's ratio was measured by an acoustic method, and the volume content of the magnetic phase was determined by the eddy current method.
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页数：4
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