Thermal Fatigue of Die-Casting Dies: An Overview

Coupled studies by experimental and numerical simulations are necessary for an increased understanding of the material behaviour as related to the interaction between the thermal and mechanical conditions. This paper focus on the mechanisms of thermal fatigue in the failure of dies and cores used in...

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Main Authors:	Hassan, A. Abdulhadi, S. N., Aqida, M., Ishak, Mohammed, Ghusoon R.
Format:	Conference or Workshop Item
Language:	English
Published:	EDP Sciences 2016
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/15947/ http://umpir.ump.edu.my/id/eprint/15947/ http://umpir.ump.edu.my/id/eprint/15947/1/matecconf_icmer2016_00032.pdf

id	ump-15947
recordtype	eprints
spelling	ump-159472018-08-29T01:44:13Z http://umpir.ump.edu.my/id/eprint/15947/ Thermal Fatigue of Die-Casting Dies: An Overview Hassan, A. Abdulhadi S. N., Aqida M., Ishak Mohammed, Ghusoon R. TJ Mechanical engineering and machinery Coupled studies by experimental and numerical simulations are necessary for an increased understanding of the material behaviour as related to the interaction between the thermal and mechanical conditions. This paper focus on the mechanisms of thermal fatigue in the failure of dies and cores used in the die casting of aluminum alloys. The thermal fatigue resistance is expressed by two crack parameters which are the average maximum crack and the average cracked area. Samples of various types of H13 steel were compared with a standard H13 steel by testing under identical thermal fatigue cycles. To determine the thermal constraint developed in the sample during the test, a finite difference technique was used to obtain the temperature distribution, based on temperature measurements at the boundaries. The resulting stresses and strains were computed, and the strain calculated at the edge or weakest point of the sample was used to correlate the number of cycles to crack initiation. As the strain at the edge increased, the number of cycles to failure decreased. The influence of various factors on thermal fatigue behavior was studied including austenitizing temperature, surface condition, stress relieving, casting, vacuum melting, and resulfurization. The thermal fatigue resistance improved as the austenitizing temperature increased from 1750 to 2050ºF. EDP Sciences 2016 Conference or Workshop Item PeerReviewed application/pdf en cc_by http://umpir.ump.edu.my/id/eprint/15947/1/matecconf_icmer2016_00032.pdf Hassan, A. Abdulhadi and S. N., Aqida and M., Ishak and Mohammed, Ghusoon R. (2016) Thermal Fatigue of Die-Casting Dies: An Overview. In: MATEC Web of Conferences: The 3rd International Conference on Mechanical Engineering Research (ICMER 2015), 18-19 August 2015 , Zenith Hotel, Kuantan, Pahang, Malaysia. pp. 1-6., 74 (00032). ISSN 2261-236X http://dx.doi.org/10.1051/matecconf/20167400032
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Hassan, A. Abdulhadi S. N., Aqida M., Ishak Mohammed, Ghusoon R. Thermal Fatigue of Die-Casting Dies: An Overview
description	Coupled studies by experimental and numerical simulations are necessary for an increased understanding of the material behaviour as related to the interaction between the thermal and mechanical conditions. This paper focus on the mechanisms of thermal fatigue in the failure of dies and cores used in the die casting of aluminum alloys. The thermal fatigue resistance is expressed by two crack parameters which are the average maximum crack and the average cracked area. Samples of various types of H13 steel were compared with a standard H13 steel by testing under identical thermal fatigue cycles. To determine the thermal constraint developed in the sample during the test, a finite difference technique was used to obtain the temperature distribution, based on temperature measurements at the boundaries. The resulting stresses and strains were computed, and the strain calculated at the edge or weakest point of the sample was used to correlate the number of cycles to crack initiation. As the strain at the edge increased, the number of cycles to failure decreased. The influence of various factors on thermal fatigue behavior was studied including austenitizing temperature, surface condition, stress relieving, casting, vacuum melting, and resulfurization. The thermal fatigue resistance improved as the austenitizing temperature increased from 1750 to 2050ºF.
format	Conference or Workshop Item
author	Hassan, A. Abdulhadi S. N., Aqida M., Ishak Mohammed, Ghusoon R.
author_facet	Hassan, A. Abdulhadi S. N., Aqida M., Ishak Mohammed, Ghusoon R.
author_sort	Hassan, A. Abdulhadi
title	Thermal Fatigue of Die-Casting Dies: An Overview
title_short	Thermal Fatigue of Die-Casting Dies: An Overview
title_full	Thermal Fatigue of Die-Casting Dies: An Overview
title_fullStr	Thermal Fatigue of Die-Casting Dies: An Overview
title_full_unstemmed	Thermal Fatigue of Die-Casting Dies: An Overview
title_sort	thermal fatigue of die-casting dies: an overview
publisher	EDP Sciences
publishDate	2016
url	http://umpir.ump.edu.my/id/eprint/15947/ http://umpir.ump.edu.my/id/eprint/15947/ http://umpir.ump.edu.my/id/eprint/15947/1/matecconf_icmer2016_00032.pdf
first_indexed	2023-09-18T22:21:11Z
last_indexed	2023-09-18T22:21:11Z
_version_	1777415667741360128

Thermal Fatigue of Die-Casting Dies: An Overview

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