Influence of phase transformation due to temperature on cyclic plastic deformation in 304LN stainless steel

被引：17

作者：

Dey, Rima ^{[1
]}

Tarafder, Soumitro ^{[1
]}

Sivaprasad, S. ^{[1
]}

机构：

[1] CSIR, Natl Met Lab, Fatigue & Fracture Grp, Jamshedpur 831007, Bihar, India

来源：

INTERNATIONAL JOURNAL OF FATIGUE | 2016年 / 90卷

关键词：

304LN; Cyclic stress-strain; Masing behavior; Martensite; Dislocations; INDUCED MARTENSITIC-TRANSFORMATION; FATIGUE BEHAVIOR; STRAIN-RATE; MORPHOLOGIES;

D O I：

10.1016/j.ijfatigue.2016.04.030

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Strain controlled fatigue experiments are conducted for 304LN at room and elevated temperature of 285 degrees C in ambient air. Varying cyclic plasticity characterizing parameters such as cyclic hardening/softening and Masing behavior are studied. It is found that hardening along with non-Masing behavior is demonstrated at both temperatures. However the response stresses required to cause deformation are substantially higher at room temperature. Additionally the extent of deviation from masing varied considerably with temperature. Furthermore it is shown that there is a continuous distribution of yield levels at both temperatures. All alterations observed in the cyclic plastic behavior are being accounted by the absence or presence of martensite. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：148 / 157

页数：10

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