UNSPECIFIED (1997) Precleaning and spot welding of an automotive body steel using a Nd:Yag laser. In: Conference on Lasers as Tools for Manufacturing II, FEB 12-14, 1997, SAN JOSE, CA.

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Abstract

Whilst coating automotive body steels with zinc has a beneficial effect on their corrosion properties it can give significant problems when individual panels are subsequently welded to form the body shell. This work shows that a pulsed Nd:Yag laser can be used as a precleaning tool to locally remove the zinc and then as a spot welding device to join 2 sheets in a lap weld configuration. Laser spot welding can produce joints having adequate strength at a range of conditions but the localised nature of the heat input can produce damage on the top surface, this is often not acceptable in structures such as a an automotive body shell. In this work, conditions have been identified which are capable of precleaning the area to be welded and able to produce welds having adequate strength with cosmetically acceptable surfaces.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QC Physics
Series Name:	PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE)
Journal or Publication Title:	LASERS AS TOOLS FOR MANUFACTURING II
Publisher:	SPIE - INT SOC OPTICAL ENGINEERING
ISBN:	0-8194-2404-8
Editor:	Migliore, LR and Schaeffer, RD
Date:	1997
Volume:	2993
Number of Pages:	9
Page Range:	pp. 28-36
Publication Status:	Published
Title of Event:	Conference on Lasers as Tools for Manufacturing II
Location of Event:	SAN JOSE, CA
Date(s) of Event:	FEB 12-14, 1997
URI:	http://wrap.warwick.ac.uk/id/eprint/17626

Data sourced from Thomson Reuters' Web of Knowledge

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