Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Tailored laser pulse method to manipulate filler wire melt metallurgy from thermal cycles
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.ORCID iD: 0000-0002-8298-292x
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.ORCID iD: 0000-0003-4265-1541
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.ORCID iD: 0000-0002-3569-6795
Department of Welding and Joining Science Engineering, Chosun University, Gwangju, Republic of Korea.
Show others and affiliations
2019 (English)In: Journal of laser applications, ISSN 1042-346X, E-ISSN 1938-1387, Vol. 31, no 2, article id 022605Article in journal (Refereed) Published
Abstract [en]

A robust method is introduced to simulate and study the filler wire metallurgy for controlled cooling conditions after melting, enabling efficient mapping with prompt analysis of trends. Proposed is a reduced, though representative, process with more controllable conditions. Short lengths of filler wires are preplaced in a cavity, drilled into a base metal sheet. Irradiation by a pulsed laser beam melts the wire to generate a sample nugget. Pulse shaping influences the cooling rate, granting the ability to tailor weldament microstructures. The method is demonstrated for S1100QL steel and undermatched filler wire, to obtain high toughness for processes like laser-arc hybrid welding, where a representative thermal cycle is needed. For high toughness, a controlled amount of acicular ferrite and, in turn, nonmetallic inclusions is desirable. This “snapshot” method has revealed a characteristic histogram of inclusion sizes, for different pulse shapes. Additional information on the thermal cycle can be acquired by employing thermocouples, a pyrometer, or advanced methods like high speed imaging or modeling. The method offers a wide spectrum of variants and applications.

Place, publisher, year, edition, pages
USA: Laser Institute of America , 2019. Vol. 31, no 2, article id 022605
National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-75401DOI: 10.2351/1.5096145ISI: 000484435200093Scopus ID: 2-s2.0-85065039863OAI: oai:DiVA.org:ltu-75401DiVA, id: diva2:1340778
Conference
Proceedings of the International Congress of Applications of Lasers & Electro-Optics (ICALEO® 2018).
Projects
OptoSteel
Note

Konferensartikel i tidskrift

Available from: 2019-08-06 Created: 2019-08-06 Last updated: 2019-10-01Bibliographically approved

Open Access in DiVA

fulltext(1802 kB)7 downloads
File information
File name FULLTEXT01.pdfFile size 1802 kBChecksum SHA-512
6857a4ed93388ff4d48cd64eee4c1707b333dfd959efbdcd158fece7924f38e388ad37b1af31eefe0359e8fb4215cdd54a078d3ca3f549a4502c389505ea3e22
Type fulltextMimetype application/pdf

Other links

Publisher's full textScopus

Search in DiVA

By author/editor
Robertson, StephanieFrostevarg, JanKaplan, Alexander
By organisation
Product and Production Development
In the same journal
Journal of laser applications
Manufacturing, Surface and Joining Technology

Search outside of DiVA

GoogleGoogle Scholar
Total: 7 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 30 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf