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Interfacial reaction during friction stir assisted scribe welding of immiscible Fe and Mg alloy system.


ABSTRACT: We report on interfacial characteristics and chemistry of bonded Mg-Fe interfaces welded using friction stir assisted scribe technique (FaST). Two pairs of dissimilar joints: (AZ31-DP590) and (Pure Mg-DP590) were studied to shed light on joining mechanisms responsible for bonding of "immiscible" pairs of Mg and Fe. We present first direct experimental evidence of presence of oxide layer, Al segregation by atom probe tomography and nano steel grains close to interface by transmission electron microscopy study.

SUBMITTER: Das H 

PROVIDER: S-EPMC7810708 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature

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Interfacial reaction during friction stir assisted scribe welding of immiscible Fe and Mg alloy system.

Das Hrishikesh H   Upadhyay Piyush P   Wang Tianhao T   Gwalani Bharat B   Ma Xiaolong X  

Scientific reports 20210115 1


We report on interfacial characteristics and chemistry of bonded Mg-Fe interfaces welded using friction stir assisted scribe technique (FaST). Two pairs of dissimilar joints: (AZ31-DP590) and (Pure Mg-DP590) were studied to shed light on joining mechanisms responsible for bonding of "immiscible" pairs of Mg and Fe. We present first direct experimental evidence of presence of oxide layer, Al segregation by atom probe tomography and nano steel grains close to interface by transmission electron mic  ...[more]

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