Experimental investigation of deformation and jetting during impact spot welding

A test setup is described for investigating flyer plate deformation during impact spot welding. High speed photography is used to study the dynamics of bulge formation, spark growth, and projectile illumination during primary and secondary impact of flat-ended projectiles. It is suggested that fragm...

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Bibliographic Details
Published in:International journal of impact engineering 1995-10, Vol.16 (5), p.789-799
Main Authors: Turgutlu, A., Al-Hassani, S.T.S., Akyurt, M.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Joining, thermal cutting: metallurgical aspects
Metals. Metallurgy
Welding
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Summary:A test setup is described for investigating flyer plate deformation during impact spot welding. High speed photography is used to study the dynamics of bulge formation, spark growth, and projectile illumination during primary and secondary impact of flat-ended projectiles. It is suggested that fragmentation of the spark is due to inter-metallic jetting. Measurements on collision angle β and collision front velocity are reported for several metal plate combinations.
ISSN:0734-743X
1879-3509
DOI:10.1016/0734-743X(95)00013-Z