Deformation and fracture of Titanium and Aluminium alloys

The aim of the research was to study the deformation and fracture of titanium alloy Ti-6A1-4V and aluminium alloy 6061 in ambient environment subjected to low impact and loading range. The method of approach has been to carry out tension, impact and fatigue tests on the two materials and some of the...

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Main Author: Chew, Kia Guan.
Other Authors: Zhou, Wei
Format: Theses and Dissertations
Published: 2008
Subjects:
Online Access:http://hdl.handle.net/10356/5600
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Institution: Nanyang Technological University
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spelling sg-ntu-dr.10356-56002023-03-11T17:24:51Z Deformation and fracture of Titanium and Aluminium alloys Chew, Kia Guan. Zhou, Wei School of Mechanical and Production Engineering DRNTU::Engineering::Materials::Metallic materials::Alloys The aim of the research was to study the deformation and fracture of titanium alloy Ti-6A1-4V and aluminium alloy 6061 in ambient environment subjected to low impact and loading range. The method of approach has been to carry out tension, impact and fatigue tests on the two materials and some of their welded joints. In contrast to the titanium alloy Ti-6A1-4V, strength of the aluminium alloy 6061 was shown to be insensitive to strain rate (0.1-1000 mm/min) in ambient environment. The effect of material orientation is also insignificant in the aluminium alloy 6061 under quasi-static loading. The rate of fatigue crack growth in the aluminium alloy 6061 is insensitive to frequency (1-35 Hz) at room temperature, but fatigue resistance was measured to be higher when crack propagation is in the T-S direction than in the L-S direction. Microscopic observations revealed banding in the microstructure which helped to improve the fatigue resistance. Master of Engineering (MPE) 2008-09-17T10:54:39Z 2008-09-17T10:54:39Z 2000 2000 Thesis http://hdl.handle.net/10356/5600 Nanyang Technological University application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
topic DRNTU::Engineering::Materials::Metallic materials::Alloys
spellingShingle DRNTU::Engineering::Materials::Metallic materials::Alloys
Chew, Kia Guan.
Deformation and fracture of Titanium and Aluminium alloys
description The aim of the research was to study the deformation and fracture of titanium alloy Ti-6A1-4V and aluminium alloy 6061 in ambient environment subjected to low impact and loading range. The method of approach has been to carry out tension, impact and fatigue tests on the two materials and some of their welded joints. In contrast to the titanium alloy Ti-6A1-4V, strength of the aluminium alloy 6061 was shown to be insensitive to strain rate (0.1-1000 mm/min) in ambient environment. The effect of material orientation is also insignificant in the aluminium alloy 6061 under quasi-static loading. The rate of fatigue crack growth in the aluminium alloy 6061 is insensitive to frequency (1-35 Hz) at room temperature, but fatigue resistance was measured to be higher when crack propagation is in the T-S direction than in the L-S direction. Microscopic observations revealed banding in the microstructure which helped to improve the fatigue resistance.
author2 Zhou, Wei
author_facet Zhou, Wei
Chew, Kia Guan.
format Theses and Dissertations
author Chew, Kia Guan.
author_sort Chew, Kia Guan.
title Deformation and fracture of Titanium and Aluminium alloys
title_short Deformation and fracture of Titanium and Aluminium alloys
title_full Deformation and fracture of Titanium and Aluminium alloys
title_fullStr Deformation and fracture of Titanium and Aluminium alloys
title_full_unstemmed Deformation and fracture of Titanium and Aluminium alloys
title_sort deformation and fracture of titanium and aluminium alloys
publishDate 2008
url http://hdl.handle.net/10356/5600
_version_ 1761782015254855680