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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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 |
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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 |
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http://discol.umk.edu.my/id/eprint/7903/ http://dx.doi.org/10.4028/www.scientific.net/AMM.393.79 |
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1763303907463790592 |