Fe/Mg/Fe Multilayer Composite Sheet Fabricated by Roll Cladding

Fe/Mg/Fe Multilayer Composite Sheet Fabricated by Roll Cladding

A new multilayer composite sheet consisting of Fe/Mg/Fe was fabricated from galvanized steels and Mg alloy sheets via roll cladding. The clad steel improved the Mg surface hardness from HV 65 to HV 132. Bonding occurred as the reduction ratios increased up to over 10%. Investigation of the microstru...

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Veröffentlicht in:Materials 2022-07, Vol.15 (14), p.4732
Hauptverfasser: Ren, Daxin, Ma, Yanhua, Zheng, Rencheng
Format: Artikel
Sprache:eng
Schlagworte:
Bonding
Communication
Corrosion resistance
Deformation
Galvanized steel
Galvanized steels
Galvanizing
Interfaces
Intermetallic compounds
Intermetallic phases
Iron
Magnesium alloys
Magnesium base alloys
Mechanical properties
Metal sheets
Metallurgy
Multilayers
Roll cladding
Surface hardness
Transition layers
Zinc
Zinc coatings
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Beschreibung
Zusammenfassung:A new multilayer composite sheet consisting of Fe/Mg/Fe was fabricated from galvanized steels and Mg alloy sheets via roll cladding. The clad steel improved the Mg surface hardness from HV 65 to HV 132. Bonding occurred as the reduction ratios increased up to over 10%. Investigation of the microstructure of the Mg/steel interface revealed a 5 μm- to 10 μm-thick transition layer between Mg and each steel sheet, consisting of Zn and an intermetallic compound (0.97Mg–0.03Zn). Zinc coating from the galvanized steel sheet improved the metallurgical bonding between Mg and Fe by forming new intermetallic phases.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma15144732