Prediction of Residual Stresses during Stress-Relief Annealing on Martensitic Stainless Steel AISI 420
The Chiang Mai Journal of Science is an international English language peer-reviewed journal which is published in open access electronic format 6 times a year in January, March, May, July, September and November by the Faculty of Science, Chiang Mai University. Manuscripts in most areas of science...
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Faculty of Science, Chiang Mai University
2020
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th-cmuir.6653943832-686042020-05-20T04:41:47Z Prediction of Residual Stresses during Stress-Relief Annealing on Martensitic Stainless Steel AISI 420 Laksamee Angkurarach Patiphan Juijerm Residual stress Stress relief Heat treatment Stainless steel The Chiang Mai Journal of Science is an international English language peer-reviewed journal which is published in open access electronic format 6 times a year in January, March, May, July, September and November by the Faculty of Science, Chiang Mai University. Manuscripts in most areas of science are welcomed except in areas such as agriculture, engineering and medical science which are outside the scope of the Journal. Currently, we focus on manuscripts in biology, chemistry, physics, materials science and environmental science. Papers in mathematics statistics and computer science are also included but should be of an applied nature rather than purely theoretical. Manuscripts describing experiments on humans or animals are required to provide proof that all experiments have been carried out according to the ethical regulations of the respective institutional and/or governmental authorities and this should be clearly stated in the manuscript itself. The Editor reserves the right to reject manuscripts that fail to do so. Residual stresses at the surface and in near-surface regions were intentionally generated by near-surface plastic deformation called deep rolling process. X-ray diffraction (XRD) technique was used to measure the residual stresses. Specimens with generated residual stresses at the surface were stress relieved by mean of heating at a temperature range of 300–600 °C with different soaking times of 0.1–10,000 min. It was found that generated residual stress of about -650 MPa was detected at the surface after the deep rolling process. Residual stresses decreased with increasing temperature and soaking time. A decrease of residual stresses during the stress-relief annealing was analyzed using the Zener-Wert-Avrami function. The activation enthalpy of residual stress relief was 2.64 eV, which was closed to the activation enthalpy of the iron self-diffusion. The results clearly indicated that the predominant relief mechanism was most likely the volume diffusion-controlled climbing of edge dislocations. Finally, simulation diagram of residual stress relief was shown with an overall error about 15%. 2020-05-20T04:41:47Z 2020-05-20T04:41:47Z 2020 Chiang Mai Journal of Science 47,2 (March 2020), p.312 - 318 2465-3845 https://epg.science.cmu.ac.th/ejournal/dl.php?journal_id=10705 http://cmuir.cmu.ac.th/jspui/handle/6653943832/68604 Eng Faculty of Science, Chiang Mai University |
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Residual stress Stress relief Heat treatment Stainless steel Laksamee Angkurarach Patiphan Juijerm Prediction of Residual Stresses during Stress-Relief Annealing on Martensitic Stainless Steel AISI 420 |
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The Chiang Mai Journal of Science is an international English language peer-reviewed journal which is published in open access electronic format 6 times a year in January, March, May, July, September and November by the Faculty of Science, Chiang Mai University. Manuscripts in most areas of science are welcomed except in areas such as agriculture, engineering and medical science which are outside the scope of the Journal. Currently, we focus on manuscripts in biology, chemistry, physics, materials science and environmental science. Papers in mathematics statistics and computer science are also included but should be of an applied nature rather than purely theoretical. Manuscripts describing experiments on humans or animals are required to provide proof that all experiments have been carried out according to the ethical regulations of the respective institutional and/or governmental authorities and this should be clearly stated in the manuscript itself. The Editor reserves the right to reject manuscripts that fail to do so. |
author |
Laksamee Angkurarach Patiphan Juijerm |
author_facet |
Laksamee Angkurarach Patiphan Juijerm |
author_sort |
Laksamee Angkurarach |
title |
Prediction of Residual Stresses during Stress-Relief Annealing on Martensitic Stainless Steel AISI 420 |
title_short |
Prediction of Residual Stresses during Stress-Relief Annealing on Martensitic Stainless Steel AISI 420 |
title_full |
Prediction of Residual Stresses during Stress-Relief Annealing on Martensitic Stainless Steel AISI 420 |
title_fullStr |
Prediction of Residual Stresses during Stress-Relief Annealing on Martensitic Stainless Steel AISI 420 |
title_full_unstemmed |
Prediction of Residual Stresses during Stress-Relief Annealing on Martensitic Stainless Steel AISI 420 |
title_sort |
prediction of residual stresses during stress-relief annealing on martensitic stainless steel aisi 420 |
publisher |
Faculty of Science, Chiang Mai University |
publishDate |
2020 |
url |
https://epg.science.cmu.ac.th/ejournal/dl.php?journal_id=10705 http://cmuir.cmu.ac.th/jspui/handle/6653943832/68604 |
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