Laser surface treatment of stainless steels

Lasers provide the tools for developing unique methods of treating the surface of materials. With the development of more powerful lasers, surface treatment technology is rapidly growing in the identification of new and improved processing methods. Evaluation and optimization of laser processing met...

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Main Author: Nur Zuhair Zaharudin
Other Authors: Zhou Wei
Format: Final Year Project
Language:English
Published: Nanyang Technological University 2020
Subjects:
Online Access:https://hdl.handle.net/10356/142008
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-1420082023-03-04T19:44:11Z Laser surface treatment of stainless steels Nur Zuhair Zaharudin Zhou Wei School of Mechanical and Aerospace Engineering MWZHOU@ntu.edu.sg Engineering::Mechanical engineering Lasers provide the tools for developing unique methods of treating the surface of materials. With the development of more powerful lasers, surface treatment technology is rapidly growing in the identification of new and improved processing methods. Evaluation and optimization of laser processing methods using analytical modeling, rapid solidification, phase transformation, strengthening mechanism and materials testing can bring potentially cost-effective manufacturing methods or repair of valuable products [1]. Among the various laser surface treatment processes that are available, laser surface hardening and laser shock peening have been chosen for this project. These two laser surface treatment methods were used to treat AISI 420 martensitic stainless steel, which is a widely used commercial tool steel with good corrosion resistant property. This project was done to study the effects of each laser surface treatment method as well as the effect of combining both methods by carrying out each surface treatment, one after the other, on the same specimen. A systematic analysis was carried out to obtain the hardness and microstructure of the treated samples to establish a relationship between the structures and their mechanical properties. Bachelor of Engineering (Mechanical Engineering) 2020-06-15T02:08:05Z 2020-06-15T02:08:05Z 2020 Final Year Project (FYP) https://hdl.handle.net/10356/142008 en B420 application/pdf Nanyang Technological University
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Engineering::Mechanical engineering
spellingShingle Engineering::Mechanical engineering
Nur Zuhair Zaharudin
Laser surface treatment of stainless steels
description Lasers provide the tools for developing unique methods of treating the surface of materials. With the development of more powerful lasers, surface treatment technology is rapidly growing in the identification of new and improved processing methods. Evaluation and optimization of laser processing methods using analytical modeling, rapid solidification, phase transformation, strengthening mechanism and materials testing can bring potentially cost-effective manufacturing methods or repair of valuable products [1]. Among the various laser surface treatment processes that are available, laser surface hardening and laser shock peening have been chosen for this project. These two laser surface treatment methods were used to treat AISI 420 martensitic stainless steel, which is a widely used commercial tool steel with good corrosion resistant property. This project was done to study the effects of each laser surface treatment method as well as the effect of combining both methods by carrying out each surface treatment, one after the other, on the same specimen. A systematic analysis was carried out to obtain the hardness and microstructure of the treated samples to establish a relationship between the structures and their mechanical properties.
author2 Zhou Wei
author_facet Zhou Wei
Nur Zuhair Zaharudin
format Final Year Project
author Nur Zuhair Zaharudin
author_sort Nur Zuhair Zaharudin
title Laser surface treatment of stainless steels
title_short Laser surface treatment of stainless steels
title_full Laser surface treatment of stainless steels
title_fullStr Laser surface treatment of stainless steels
title_full_unstemmed Laser surface treatment of stainless steels
title_sort laser surface treatment of stainless steels
publisher Nanyang Technological University
publishDate 2020
url https://hdl.handle.net/10356/142008
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