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Effect of specimen size on fracture toughness of mild steel

This project was conducted to investigate the effect of specimen size on fracture toughness of mild steel. Fracture toughness is an indication of the amount of stress required to propagate a pre-existing flaw. It is a very important material property since the occurrence of flaws is not completely a...

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Main Author: Mohd Syafiq, Mohd Saufi
Format: Undergraduates Project Papers
Language:English
Published: 2012
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://umpir.ump.edu.my/id/eprint/4935/1/cd7299_87.pdf
http://umpir.ump.edu.my/id/eprint/4935/
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spelling my.ump.umpir.49352021-06-04T05:06:31Z http://umpir.ump.edu.my/id/eprint/4935/ Effect of specimen size on fracture toughness of mild steel Mohd Syafiq, Mohd Saufi TA Engineering (General). Civil engineering (General) This project was conducted to investigate the effect of specimen size on fracture toughness of mild steel. Fracture toughness is an indication of the amount of stress required to propagate a pre-existing flaw. It is a very important material property since the occurrence of flaws is not completely avoidable in the processing, fabrication, service of a material or component. In this experiment, the specimen size was chosen as a main parameter to analyse the fracture toughness of mild steel. The specimen size was divided into two parameter to be investigated, there is thickness and notch depth of the specimen. The specimen geometry was referred to the ASTM E399-74 standard and the test applied for the fracture toughness is single edge notch bending. From the test results, when the thickness of the specimen increase the fracture decreases until the thickness reach the critical dimension and the fracture was become constant. For the notch depth, when the notch depth decreases the fracture of the specimen also decreases until the notch depth reach the critical dimension and the fracture toughness was become constant. The thickness and notch depth of the specimen is main parameter to analyze the fracture toughness of the material or specimen because each of the specimens will reach the critical dimension and constant the fracture toughness value. 2012-06 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/4935/1/cd7299_87.pdf Mohd Syafiq, Mohd Saufi (2012) Effect of specimen size on fracture toughness of mild steel. Faculty of Mechanical Engineering, Universiti Malaysia Pahang.
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Mohd Syafiq, Mohd Saufi
Effect of specimen size on fracture toughness of mild steel
description This project was conducted to investigate the effect of specimen size on fracture toughness of mild steel. Fracture toughness is an indication of the amount of stress required to propagate a pre-existing flaw. It is a very important material property since the occurrence of flaws is not completely avoidable in the processing, fabrication, service of a material or component. In this experiment, the specimen size was chosen as a main parameter to analyse the fracture toughness of mild steel. The specimen size was divided into two parameter to be investigated, there is thickness and notch depth of the specimen. The specimen geometry was referred to the ASTM E399-74 standard and the test applied for the fracture toughness is single edge notch bending. From the test results, when the thickness of the specimen increase the fracture decreases until the thickness reach the critical dimension and the fracture was become constant. For the notch depth, when the notch depth decreases the fracture of the specimen also decreases until the notch depth reach the critical dimension and the fracture toughness was become constant. The thickness and notch depth of the specimen is main parameter to analyze the fracture toughness of the material or specimen because each of the specimens will reach the critical dimension and constant the fracture toughness value.
format Undergraduates Project Papers
author Mohd Syafiq, Mohd Saufi
author_facet Mohd Syafiq, Mohd Saufi
author_sort Mohd Syafiq, Mohd Saufi
title Effect of specimen size on fracture toughness of mild steel
title_short Effect of specimen size on fracture toughness of mild steel
title_full Effect of specimen size on fracture toughness of mild steel
title_fullStr Effect of specimen size on fracture toughness of mild steel
title_full_unstemmed Effect of specimen size on fracture toughness of mild steel
title_sort effect of specimen size on fracture toughness of mild steel
publishDate 2012
url http://umpir.ump.edu.my/id/eprint/4935/1/cd7299_87.pdf
http://umpir.ump.edu.my/id/eprint/4935/
_version_ 1702170037523054592
score 13.211869

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