Effect of Heat Treatment on Crack Initiation & Propagation of Stainless Steel (Ss-304)

Effect of Heat Treatment on Crack Initiation & Propagation of Stainless Steel (Ss-304)

Article ID

8R755

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Effect of Heat Treatment on Crack Initiation & Propagation of Stainless Steel (Ss-304)

Soumya Mandal Rajshahi university of Engineering & Technology.

Tonmoy Karmaker

Dr. Md. Nurul Islam

DOI

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Abstract

Cyclic loading is common experimental practice for investigations of large structures like vehicles. Numerical analysis of cyclic loading conditions is also a well-established field of research and application. Theoretical and practical support is rare for evaluating growth of fatigue cracks under cyclic loading conditions. Cracks can occur naturally in engineered components due to combination of environmental effects and materials and geometric properties. In this study, the effects of heat treatment on crack initiation & propagation of stainless steel (SS-304) are investigated. The specimens are subjected to different cyclic load. The crack initiation & propagation and final fracture behavior are observed microscopically. The specimens are kept in the furnace at 500°C at a constant time 1 hour where cooling medium is used as air for heat treatment & the effects of heat treatment are investigated. The fatigue life of the tested specimen at 400MPa stress before & after heat treatment are 54900 cycles & 61000 cycles respectively. So, a better fatigue life is found after heat treatment.

Effect of Heat Treatment on Crack Initiation & Propagation of Stainless Steel (Ss-304)

Authors

Soumya Mandal Rajshahi university of Engineering & Technology.

Tonmoy Karmaker

Dr. Md. Nurul Islam

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How to Cite

Soumya Mandal. 2014. “. Global Journal of Research in Engineering – A : Mechanical & Mechanics GJRE-A Volume 14 (GJRE Volume 14 Issue A1): .

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

GJRE Volume 14 Issue A1
Pg. 35- 40

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Submission Received December 10, 2013
Accepted January 3, 2014
Published January 15, 2014

Keywords

fatigue crack fatigue crack growth fatigue life heat treatment

Article Matrices

Total Score: 108

Country: Bangladesh

Subject: Global Journal of Research in Engineering - A : Mechanical & Mechanics

Authors: Soumya Mandal, Tonmoy Karmaker, Dr. Md. Nurul Islam (PhD/Dr. count: 1)

View Count (all-time): 137

Total Views (Real + Logic): 4730

Total Downloads (simulated): 2401

Publish Date: 2014 03, Sun

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Total Views: 4730

Total Downloads: 2401

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