Mechanical behaviour of stainless steel grade 304 (SS304) under different heat treatment conditions / Muhamad Firdaus Azizan

The purpose of this research was to find the mechanical behavior of stainless steel grade 304 (SS304) under different heat treatment conditions. Stainless steel 8% Ni -18%Cr is used for heat treatment process by selecting the time, temperature and cooling method as the parameter. The heat treated sa...

Full description

Saved in:
Bibliographic Details
Main Author: Azizan, Muhamad Firdaus
Format: Thesis
Language:English
Published: 2009
Subjects:
Online Access:https://ir.uitm.edu.my/id/eprint/67353/2/67353.pdf
Tags: Add Tag
No Tags, Be the first to tag this record!
id my-uitm-ir.67353
record_format uketd_dc
spelling my-uitm-ir.673532022-09-26T06:20:44Z Mechanical behaviour of stainless steel grade 304 (SS304) under different heat treatment conditions / Muhamad Firdaus Azizan 2009 Azizan, Muhamad Firdaus Heat Stainless steel The purpose of this research was to find the mechanical behavior of stainless steel grade 304 (SS304) under different heat treatment conditions. Stainless steel 8% Ni -18%Cr is used for heat treatment process by selecting the time, temperature and cooling method as the parameter. The heat treated sample is compared in term of mechanical and physical properties aspect before and after heat treatment processes. Dumbbell-shape sample is made by using CNC-Lathe machine for a precise tolerant of each sample. The samples were heat treated at 850°C and cooled at various cooling rates which is constant and continuous cooling. The tensile testing was carried out for each sample. There were other tests carried out to the samples such as compositional test, hardness test, density test and impact test. The microstructures were analyzed after the observation under the microscope. Testing was conducted before and after the heat treatment process. The result shows that the tensile strength of the untreated SS304 is higher compared to the heat treated samples. The heat treated samples become more ductile with the increased times of soaking compared to the untreated samples. The hardness of heat treated SS304 tend to decrease with the increased of heat treatment time. Meanwhile, the density of heat treated SS304 tend to increase with the increased of heat treatment time. The heat treated SS304 with different mechanical properties can be used in specific engineering applications which require high ductility compared to the untreated SS304. Further research could be carried to determine the improved properties of the SS304 while maintaining all good properties of untreated SS304. 2009 Thesis https://ir.uitm.edu.my/id/eprint/67353/ https://ir.uitm.edu.my/id/eprint/67353/2/67353.pdf text en public degree Universiti Teknologi MARA (UiTM) Faculty of Mechanical Engineering
institution Universiti Teknologi MARA
collection UiTM Institutional Repository
language English
topic Heat
Stainless steel
spellingShingle Heat
Stainless steel
Azizan, Muhamad Firdaus
Mechanical behaviour of stainless steel grade 304 (SS304) under different heat treatment conditions / Muhamad Firdaus Azizan
description The purpose of this research was to find the mechanical behavior of stainless steel grade 304 (SS304) under different heat treatment conditions. Stainless steel 8% Ni -18%Cr is used for heat treatment process by selecting the time, temperature and cooling method as the parameter. The heat treated sample is compared in term of mechanical and physical properties aspect before and after heat treatment processes. Dumbbell-shape sample is made by using CNC-Lathe machine for a precise tolerant of each sample. The samples were heat treated at 850°C and cooled at various cooling rates which is constant and continuous cooling. The tensile testing was carried out for each sample. There were other tests carried out to the samples such as compositional test, hardness test, density test and impact test. The microstructures were analyzed after the observation under the microscope. Testing was conducted before and after the heat treatment process. The result shows that the tensile strength of the untreated SS304 is higher compared to the heat treated samples. The heat treated samples become more ductile with the increased times of soaking compared to the untreated samples. The hardness of heat treated SS304 tend to decrease with the increased of heat treatment time. Meanwhile, the density of heat treated SS304 tend to increase with the increased of heat treatment time. The heat treated SS304 with different mechanical properties can be used in specific engineering applications which require high ductility compared to the untreated SS304. Further research could be carried to determine the improved properties of the SS304 while maintaining all good properties of untreated SS304.
format Thesis
qualification_level Bachelor degree
author Azizan, Muhamad Firdaus
author_facet Azizan, Muhamad Firdaus
author_sort Azizan, Muhamad Firdaus
title Mechanical behaviour of stainless steel grade 304 (SS304) under different heat treatment conditions / Muhamad Firdaus Azizan
title_short Mechanical behaviour of stainless steel grade 304 (SS304) under different heat treatment conditions / Muhamad Firdaus Azizan
title_full Mechanical behaviour of stainless steel grade 304 (SS304) under different heat treatment conditions / Muhamad Firdaus Azizan
title_fullStr Mechanical behaviour of stainless steel grade 304 (SS304) under different heat treatment conditions / Muhamad Firdaus Azizan
title_full_unstemmed Mechanical behaviour of stainless steel grade 304 (SS304) under different heat treatment conditions / Muhamad Firdaus Azizan
title_sort mechanical behaviour of stainless steel grade 304 (ss304) under different heat treatment conditions / muhamad firdaus azizan
granting_institution Universiti Teknologi MARA (UiTM)
granting_department Faculty of Mechanical Engineering
publishDate 2009
url https://ir.uitm.edu.my/id/eprint/67353/2/67353.pdf
_version_ 1783735684614324224