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Abstract:
Laser fusion brazing welding was proposed. Galvanized steel/AA6061 lapped joint was obtained by laser fusion brazing welding technique using the laser-induced aluminium molten pool spreading and wetting the solid steel surface. Wide joint interface was formed using the rectangular laser beam coupled with the synchronous powder feeding. The result showed that the tiny structure with the composition of alpha-Al and Al-Si eutectic was formed in the weld close to the Al side. And close to the steel side, a layer of compact Fe-Al-Si intermetallics, including the Al-rich FeAl3, Fe2Al5 phases and Al-Fe-Si tau 1 phase, was generated with the thickness of about 10-20 mu m. Transverse tensile shows the brittle-fractured characteristic along to the seam/steel interface with the maximum yield strength of 152.5 MPa due to the existence of hardening phases tau 1 and Al-Fe intermetallics.
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ACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN: 1006-7191
Year: 2014
Issue: 4
Volume: 27
Page: 670-676
3 . 5 0 0
JCR@2022
ESI Discipline: MATERIALS SCIENCE;
ESI HC Threshold:341
JCR Journal Grade:3
CAS Journal Grade:4
Cited Count:
WoS CC Cited Count: 9
SCOPUS Cited Count: 11
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 6
Affiliated Colleges: