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Fiber laser induced surface modification/manipulation of an ultrasonically consolidated metal matrix

Masurtschak, S.; Friel, R. J. LU ; Gillner, A.; Ryll, J. and Harris, R. A. (2013) In Journal of Materials Processing Technology 213(10). p.1792-1800
Abstract

Ultrasonic Consolidation (UC) is a manufacturing technique based on the ultrasonic joining of a sequence of metal foils. It has been shown to be a suitable method for fiber embedment into metal matrices. However, integration of high volume fractions of fibers requires a method for accurate positioning and secure placement to maintain fiber layouts within the matrices. This paper investigates the use of a fiber laser for microchannel creation in UC samples to allow such fiber layout patterns. A secondary goal, to possibly reduce plastic flow requirements in future embedding processes, is addressed by manipulating the melt generated by the laser to form a shoulder on either side of the channel. The authors studied the influence of laser... (More)

Ultrasonic Consolidation (UC) is a manufacturing technique based on the ultrasonic joining of a sequence of metal foils. It has been shown to be a suitable method for fiber embedment into metal matrices. However, integration of high volume fractions of fibers requires a method for accurate positioning and secure placement to maintain fiber layouts within the matrices. This paper investigates the use of a fiber laser for microchannel creation in UC samples to allow such fiber layout patterns. A secondary goal, to possibly reduce plastic flow requirements in future embedding processes, is addressed by manipulating the melt generated by the laser to form a shoulder on either side of the channel. The authors studied the influence of laser power, traverse speed and assist gas pressure on the channel formation in aluminium alloy UC samples. It was found that multiple laser passes allowed accurate melt distribution and channel geometry in the micrometre range. An assist gas aided the manipulation of the melted material.

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Please use this url to cite or link to this publication:
author
publishing date
type
Contribution to journal
publication status
published
keywords
Additive manufacturing, Aluminium, Assist gas, Consolidation, Fiber laser, Melt ejection, Ultrasonic
in
Journal of Materials Processing Technology
volume
213
issue
10
pages
9 pages
publisher
Elsevier
external identifiers
  • scopus:84878627656
ISSN
0924-0136
DOI
10.1016/j.jmatprotec.2013.04.008
language
English
LU publication?
no
id
8e56d540-4bf8-4df0-9c49-1c39a1a2ad65
date added to LUP
2017-01-23 09:51:01
date last changed
2018-05-29 10:17:44
@article{8e56d540-4bf8-4df0-9c49-1c39a1a2ad65,
  abstract     = {<p>Ultrasonic Consolidation (UC) is a manufacturing technique based on the ultrasonic joining of a sequence of metal foils. It has been shown to be a suitable method for fiber embedment into metal matrices. However, integration of high volume fractions of fibers requires a method for accurate positioning and secure placement to maintain fiber layouts within the matrices. This paper investigates the use of a fiber laser for microchannel creation in UC samples to allow such fiber layout patterns. A secondary goal, to possibly reduce plastic flow requirements in future embedding processes, is addressed by manipulating the melt generated by the laser to form a shoulder on either side of the channel. The authors studied the influence of laser power, traverse speed and assist gas pressure on the channel formation in aluminium alloy UC samples. It was found that multiple laser passes allowed accurate melt distribution and channel geometry in the micrometre range. An assist gas aided the manipulation of the melted material.</p>},
  author       = {Masurtschak, S. and Friel, R. J. and Gillner, A. and Ryll, J. and Harris, R. A.},
  issn         = {0924-0136},
  keyword      = {Additive manufacturing,Aluminium,Assist gas,Consolidation,Fiber laser,Melt ejection,Ultrasonic},
  language     = {eng},
  number       = {10},
  pages        = {1792--1800},
  publisher    = {Elsevier},
  series       = {Journal of Materials Processing Technology},
  title        = {Fiber laser induced surface modification/manipulation of an ultrasonically consolidated metal matrix},
  url          = {http://dx.doi.org/10.1016/j.jmatprotec.2013.04.008},
  volume       = {213},
  year         = {2013},
}