Microstructural analysis and mechanical properties of in situ Nb/Nb-aluminide layered materials
Source abstract
Abstract
Thin foil hot press process has been developed for manufacturing metal/intermetallic compound laminate composites to induce self-propagating high-temperature synthesis (SHS) reaction between different pure metal sheets. In the present work, Nb/Nb-aluminide laminate composites were manufactured with pure Nb and Al sheets, which consist of fine Nb/Nb2Al/NbAl3 or Nb/Nb3Al/Nb2Al/NbAl3 layer structure. Microvickers hardness test and energy dispersive X-ray spectroscopy (EDS) analysis in the intermetallic compound layer demonstrate the formation of various phases, and the microvickers hardness values decrease with increasing Al/Nb atomic ratio. Although the tensile strength of laminate composites is similar to pure Nb, ductility and fracture toughness are significantly improved due to plastic deformation in Nb layer.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Intermetallics and Advanced Alloy Properties · MXene and MAX Phase Materials · Advanced ceramic materials synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Materials, Changwon Polytechnic College, Changwon, Kyungnam, 641-772, South Korea
Department of Materials Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki, 305-0047, Japan
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