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

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” pai...

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Veröffentlicht in:	Scientific reports 2021-01, Vol.11 (1), p.1588-1588, Article 1588
Hauptverfasser:	Das, Hrishikesh, Upadhyay, Piyush, Wang, Tianhao, Gwalani, Bharat, Ma, Xiaolong
Format:	Artikel
Sprache:	eng
Schlagworte:	639/301/1023/1026 639/301/930/328/2082 Friction Friction stir welding Grain size Humanities and Social Sciences Interfaces Intermetallic compounds Laboratories MATERIALS SCIENCE Metals and alloys multidisciplinary Science Science (multidisciplinary) Shear strength Tomography Transmission electron microscopy
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Zusammenfassung:	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.
ISSN:	2045-2322 2045-2322
DOI:	10.1038/s41598-021-81266-9