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Powder interlayer bonding of geometrically complex Ti-6Al-4V parts

Ieuan Watkins, Helen Davies Orcid Logo, Olivia Stanners Stanners, S. Marchisio

The International Journal of Advanced Manufacturing Technology, Volume: 106, Issue: 9-10, Pages: 3629 - 3639

Swansea University Authors: Ieuan Watkins, Helen Davies Orcid Logo, Olivia Stanners Stanners

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DOI (Published version): 10.1007/s00170-019-04685-z

Abstract

Powder interlayer bonding (PIB) is a novel joining technique, which has been developed to facilitate high integrity repairs of aerospace components, manufactured from commonly used Titanium alloys. The technique utilises an interlayer between complex geometric components which are mated under pressu...

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Published in: The International Journal of Advanced Manufacturing Technology
ISSN: 0268-3768 1433-3015
Published: Springer Science and Business Media LLC 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa52700
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first_indexed 2019-11-11T13:15:49Z
last_indexed 2020-07-10T19:15:42Z
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spelling 2020-07-10T13:16:08.6163821 v2 52700 2019-11-11 Powder interlayer bonding of geometrically complex Ti-6Al-4V parts 267667b85b38304602116d82b22f585d Ieuan Watkins Ieuan Watkins true false a5277aa17f0f10a481da9e9751ccaeef 0000-0003-4838-9572 Helen Davies Helen Davies true false 3281e63bb4325b5e57ee8a9da34d8f8a Olivia Stanners Stanners Olivia Stanners Stanners true false 2019-11-11 EEN Powder interlayer bonding (PIB) is a novel joining technique, which has been developed to facilitate high integrity repairs of aerospace components, manufactured from commonly used Titanium alloys. The technique utilises an interlayer between complex geometric components which are mated under pressure and a highly localised heating source. In this study, induction heating enabled bonding in an inert fusion zone by use of an oxygen displacing shielding gas, with particular attention to the initial heating and pressure application. These early stages proved crucial to the elimination of pores and consolidation of the alloy powder, with porosity volume fraction reduced to just 0.5% after just 20 seconds at the bonding force. The technique has produced high integrity bonds in alloys such as Ti-6Al-4V, retaining approximately 90% of the alloy strength in previous studies, offering advantages over established joining methods such as tungsten inert gas (TIG) and plasma arc (PA) welding due to a more highly localised heating and fusion zone. It is believed that powder interlayer bonding can compete against these techniques, providing a more time and cost effective repair route for net shape components manufactured from a range of alloys with minimal post processing. Journal Article The International Journal of Advanced Manufacturing Technology 106 9-10 3629 3639 Springer Science and Business Media LLC 0268-3768 1433-3015 Powder interlayer bonding (PIB); Ti-6-4; Complex geometry; Titanium powder; Repair 1 2 2020 2020-02-01 10.1007/s00170-019-04685-z COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2020-07-10T13:16:08.6163821 2019-11-11T08:19:30.3237328 Ieuan Watkins 1 Helen Davies 0000-0003-4838-9572 2 Olivia Stanners Stanners 3 S. Marchisio 4 52700__17690__8a7435901c0c4a0b8f2d56e8f9d2961c.pdf 52700.pdf 2020-07-10T13:13:16.2102445 Output 6518999 application/pdf Version of Record true Released under the terms of a Creative Commons Attribution 4.0 International License (CC-BY). true eng http://creativecommons.org/licenses/by/4.0/
title Powder interlayer bonding of geometrically complex Ti-6Al-4V parts
spellingShingle Powder interlayer bonding of geometrically complex Ti-6Al-4V parts
Ieuan Watkins
Helen Davies
Olivia Stanners Stanners
title_short Powder interlayer bonding of geometrically complex Ti-6Al-4V parts
title_full Powder interlayer bonding of geometrically complex Ti-6Al-4V parts
title_fullStr Powder interlayer bonding of geometrically complex Ti-6Al-4V parts
title_full_unstemmed Powder interlayer bonding of geometrically complex Ti-6Al-4V parts
title_sort Powder interlayer bonding of geometrically complex Ti-6Al-4V parts
author_id_str_mv 267667b85b38304602116d82b22f585d
a5277aa17f0f10a481da9e9751ccaeef
3281e63bb4325b5e57ee8a9da34d8f8a
author_id_fullname_str_mv 267667b85b38304602116d82b22f585d_***_Ieuan Watkins
a5277aa17f0f10a481da9e9751ccaeef_***_Helen Davies
3281e63bb4325b5e57ee8a9da34d8f8a_***_Olivia Stanners Stanners
author Ieuan Watkins
Helen Davies
Olivia Stanners Stanners
author2 Ieuan Watkins
Helen Davies
Olivia Stanners Stanners
S. Marchisio
format Journal article
container_title The International Journal of Advanced Manufacturing Technology
container_volume 106
container_issue 9-10
container_start_page 3629
publishDate 2020
institution Swansea University
issn 0268-3768
1433-3015
doi_str_mv 10.1007/s00170-019-04685-z
publisher Springer Science and Business Media LLC
document_store_str 1
active_str 0
description Powder interlayer bonding (PIB) is a novel joining technique, which has been developed to facilitate high integrity repairs of aerospace components, manufactured from commonly used Titanium alloys. The technique utilises an interlayer between complex geometric components which are mated under pressure and a highly localised heating source. In this study, induction heating enabled bonding in an inert fusion zone by use of an oxygen displacing shielding gas, with particular attention to the initial heating and pressure application. These early stages proved crucial to the elimination of pores and consolidation of the alloy powder, with porosity volume fraction reduced to just 0.5% after just 20 seconds at the bonding force. The technique has produced high integrity bonds in alloys such as Ti-6Al-4V, retaining approximately 90% of the alloy strength in previous studies, offering advantages over established joining methods such as tungsten inert gas (TIG) and plasma arc (PA) welding due to a more highly localised heating and fusion zone. It is believed that powder interlayer bonding can compete against these techniques, providing a more time and cost effective repair route for net shape components manufactured from a range of alloys with minimal post processing.
published_date 2020-02-01T04:05:13Z
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score 11.035634

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