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Effect of two-cycle heat treatment on mechanical properties of ductile iron

The aim of this study is to investigate the mechanical properties of ductile iron after treatment with two-cycle heat treatment processes which modified from austempering. The modified heat treatments have two stages holding temperature. Ductile iron was austenitized at 900˚C for an hour and followe...

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Main Authors: A. Abdullah, M.F. Idham, A. Jaafar, A.F. Zubair, Mazlan Mohamed
Format: Non-Indexed Article
Published: 2013
Online Access:http://discol.umk.edu.my/id/eprint/7903/
http://dx.doi.org/10.4028/www.scientific.net/AMM.393.79
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spelling my.umk.eprints.79032022-05-26T01:40:40Z http://discol.umk.edu.my/id/eprint/7903/ Effect of two-cycle heat treatment on mechanical properties of ductile iron A. Abdullah M.F. Idham A. Jaafar A.F. Zubair Mazlan Mohamed The aim of this study is to investigate the mechanical properties of ductile iron after treatment with two-cycle heat treatment processes which modified from austempering. The modified heat treatments have two stages holding temperature. Ductile iron was austenitized at 900˚C for an hour and followed by transferring the sample to other furnace which was set at different temperatures of i) 250 ˚C; ii) 300 ˚C; iii) 350 ˚C without quenching for 1.5 hours. Tensile (ASTM E8M), impact (ASTM-E23-1990) and Rockwell hardness tests were carried out to study the mechanical properties of the ductile iron. It was found that the sample which was heat treated using two-cycle heat treatment process at temperature of 250˚C contributed to better absorbing impact energy properties and hardness properties. Meanwhile, sample that heat treated at 350 ˚C has higher tensile strength. 2013 Non-Indexed Article PeerReviewed A. Abdullah and M.F. Idham and A. Jaafar and A.F. Zubair and Mazlan Mohamed (2013) Effect of two-cycle heat treatment on mechanical properties of ductile iron. Applied Mechanics and Materials, 393. pp. 79-82. ISSN 1662-7482 http://dx.doi.org/10.4028/www.scientific.net/AMM.393.79
institution Universiti Malaysia Kelantan
building Perpustakaan Universiti Malaysia Kelantan
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Kelantan
content_source UMK Institutional Repository
url_provider http://umkeprints.umk.edu.my/
description The aim of this study is to investigate the mechanical properties of ductile iron after treatment with two-cycle heat treatment processes which modified from austempering. The modified heat treatments have two stages holding temperature. Ductile iron was austenitized at 900˚C for an hour and followed by transferring the sample to other furnace which was set at different temperatures of i) 250 ˚C; ii) 300 ˚C; iii) 350 ˚C without quenching for 1.5 hours. Tensile (ASTM E8M), impact (ASTM-E23-1990) and Rockwell hardness tests were carried out to study the mechanical properties of the ductile iron. It was found that the sample which was heat treated using two-cycle heat treatment process at temperature of 250˚C contributed to better absorbing impact energy properties and hardness properties. Meanwhile, sample that heat treated at 350 ˚C has higher tensile strength.
format Non-Indexed Article
author A. Abdullah
M.F. Idham
A. Jaafar
A.F. Zubair
Mazlan Mohamed
spellingShingle A. Abdullah
M.F. Idham
A. Jaafar
A.F. Zubair
Mazlan Mohamed
Effect of two-cycle heat treatment on mechanical properties of ductile iron
author_facet A. Abdullah
M.F. Idham
A. Jaafar
A.F. Zubair
Mazlan Mohamed
author_sort A. Abdullah
title Effect of two-cycle heat treatment on mechanical properties of ductile iron
title_short Effect of two-cycle heat treatment on mechanical properties of ductile iron
title_full Effect of two-cycle heat treatment on mechanical properties of ductile iron
title_fullStr Effect of two-cycle heat treatment on mechanical properties of ductile iron
title_full_unstemmed Effect of two-cycle heat treatment on mechanical properties of ductile iron
title_sort effect of two-cycle heat treatment on mechanical properties of ductile iron
publishDate 2013
url http://discol.umk.edu.my/id/eprint/7903/
http://dx.doi.org/10.4028/www.scientific.net/AMM.393.79
_version_ 1763303907463790592
score 13.18916

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