Journal article 1089 views
Effect of long term annealing on the microstructure and tensile properties of hpdc AZ91 Mg alloy
Journal of Alloys and Compounds, Volume: 467, Issue: 1-2, Pages: 271 - 277
Swansea University Author: Leo Prakash
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DOI (Published version): 10.1016/j.jallcom.2007.12.046
Abstract
This work is aimed to obtain the effect of long term annealing (LTA) on the tensile properties and on the microstructure of a high pressure die cast (hpdc) AZ91 Mg alloy. Tensile tests were performed on as-cast and LTA for 1000 h at 150 and 200 °C hpdc castings and the effect of LTA on the tensile p...
Published in: | Journal of Alloys and Compounds |
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2009
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URI: | https://cronfa.swan.ac.uk/Record/cronfa17637 |
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2015-11-02T14:26:56.4366635 v2 17637 2014-04-01 Effect of long term annealing on the microstructure and tensile properties of hpdc AZ91 Mg alloy bd72868c48af6c0b04bf9f6bb48ce324 0000-0002-8812-8927 Leo Prakash Leo Prakash true false 2014-04-01 MTLS This work is aimed to obtain the effect of long term annealing (LTA) on the tensile properties and on the microstructure of a high pressure die cast (hpdc) AZ91 Mg alloy. Tensile tests were performed on as-cast and LTA for 1000 h at 150 and 200 °C hpdc castings and the effect of LTA on the tensile properties such as yield strength (YS), ultimate tensile strength (UTS), ductility and fracture strain (FS) are confirmed. Additionally, explanations on micro failure mode of the material are presented to explain the influence of different micro features on failure of the material. The average size, area fraction and clustering tendency of βm (massive) and βc+d (continuous + discontinuous) Mg17Al12 particles are quantified and their effects on LTA are obtained. The results confirm that the UTS, YS, ductility and FS are mainly influenced by the area fraction, size distribution and spatial arrangement of β particles. Journal Article Journal of Alloys and Compounds 467 1-2 271 277 AZ91 alloy; High pressure die casting; Long term annealing; Microstructure; Micro–macro interactions 7 1 2009 2009-01-07 10.1016/j.jallcom.2007.12.046 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2015-11-02T14:26:56.4366635 2014-04-01T10:09:13.7047574 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering D.G. Leo Prakash 1 Doris Regener 2 Leo Prakash 0000-0002-8812-8927 3 |
title |
Effect of long term annealing on the microstructure and tensile properties of hpdc AZ91 Mg alloy |
spellingShingle |
Effect of long term annealing on the microstructure and tensile properties of hpdc AZ91 Mg alloy Leo Prakash |
title_short |
Effect of long term annealing on the microstructure and tensile properties of hpdc AZ91 Mg alloy |
title_full |
Effect of long term annealing on the microstructure and tensile properties of hpdc AZ91 Mg alloy |
title_fullStr |
Effect of long term annealing on the microstructure and tensile properties of hpdc AZ91 Mg alloy |
title_full_unstemmed |
Effect of long term annealing on the microstructure and tensile properties of hpdc AZ91 Mg alloy |
title_sort |
Effect of long term annealing on the microstructure and tensile properties of hpdc AZ91 Mg alloy |
author_id_str_mv |
bd72868c48af6c0b04bf9f6bb48ce324 |
author_id_fullname_str_mv |
bd72868c48af6c0b04bf9f6bb48ce324_***_Leo Prakash |
author |
Leo Prakash |
author2 |
D.G. Leo Prakash Doris Regener Leo Prakash |
format |
Journal article |
container_title |
Journal of Alloys and Compounds |
container_volume |
467 |
container_issue |
1-2 |
container_start_page |
271 |
publishDate |
2009 |
institution |
Swansea University |
doi_str_mv |
10.1016/j.jallcom.2007.12.046 |
college_str |
Faculty of Science and Engineering |
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facultyofscienceandengineering |
hierarchy_top_title |
Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
department_str |
School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering |
document_store_str |
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description |
This work is aimed to obtain the effect of long term annealing (LTA) on the tensile properties and on the microstructure of a high pressure die cast (hpdc) AZ91 Mg alloy. Tensile tests were performed on as-cast and LTA for 1000 h at 150 and 200 °C hpdc castings and the effect of LTA on the tensile properties such as yield strength (YS), ultimate tensile strength (UTS), ductility and fracture strain (FS) are confirmed. Additionally, explanations on micro failure mode of the material are presented to explain the influence of different micro features on failure of the material. The average size, area fraction and clustering tendency of βm (massive) and βc+d (continuous + discontinuous) Mg17Al12 particles are quantified and their effects on LTA are obtained. The results confirm that the UTS, YS, ductility and FS are mainly influenced by the area fraction, size distribution and spatial arrangement of β particles. |
published_date |
2009-01-07T03:20:25Z |
_version_ |
1763750576346103808 |
score |
11.037253 |