Effect of multi pulse current treatment on microstructure and microhardness of resistance spot welded dual phase steel DP590 Auswirkung der Mehrfachimpulsstrombehandlung auf das Gefüge und die Mikrohärte des widerstandspunktgeschwei�ten Dualphasenstahls DP 590
In this paper, microhardness and microstructural characteristics of dual phase DP590 steel resistance spot weld joint under two different welding conditions (i. e. single pulse and multi pulse) were studied. It was observed that applying multi pulse currents resulted in quasi-equiaxed grains of temp...
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| Main Authors: | , |
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| Format: | Article |
| Published: |
Wiley-VCH Verlag
2020
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| Online Access: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85086361357&doi=10.1002%2fmawe.201900239&partnerID=40&md5=e430893afa9616bf3a408728a2a7df8a http://eprints.utp.edu.my/23106/ |
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| Institution: | Universiti Teknologi Petronas |
| Summary: | In this paper, microhardness and microstructural characteristics of dual phase DP590 steel resistance spot weld joint under two different welding conditions (i. e. single pulse and multi pulse) were studied. It was observed that applying multi pulse currents resulted in quasi-equiaxed grains of tempered martensite in fusion zone (FZ) of the weldment. The refinement of microstructure in fusion zone using multi pulse current treatment resulted in reduced hardness of the weld joint. © 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim |
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