Pressurized liquid phase sintering of iron based metallic glassy powder with Al-Cu eutectic alloy

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The compressive fracture strength of the obtained metallic glass composite was found to be as high as 1820 MPa and the fracture w)as observed to be intragranulartype, suggesting a good bonding in the particle-binding phase interface.,To consolidate [(Fe0.5Co0.5)0.75Si0.05B0.2]96Nb4 metallic glass powder to full density, a pressurized liquid phase sintering was employed, which was intended to promote densification. Al-Cu eutectic alloy was chosen as a liquid phase component. However, the wettability of the glassy alloy with the AI-32.5wt%Cu alloy was revealed to be poor. Therefore, sintering pressure was applied to the compacts to promote a viscous flow deformation of glassy particles and also to enhance the intergranular permeation of the liquid phase. The liquid phase was found to fill completely the intergranular space of the powder compact, and the microstructure could be controlled by the punch displacement to squeeze out a part of the liquid phase from the compact.

Original languageEnglish
Title of host publicationInternational Powder Metallurgy Congress and Exhibition, Euro PM 2013
PublisherEuropean Powder Metallurgy Association (EPMA)
ISBN (Print)9781899072408
Publication statusPublished - 2013
EventInternational Powder Metallurgy Congress and Exhibition, Euro PM 2013 - Gothenburg, Sweden
Duration: 2013 Sep 152013 Sep 18

Other

OtherInternational Powder Metallurgy Congress and Exhibition, Euro PM 2013
CountrySweden
CityGothenburg
Period13/9/1513/9/18

ASJC Scopus subject areas

  • Metals and Alloys
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

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    Yodoshi, N., Yamada, R., Kawasaki, A., & Makino, A. (2013). Pressurized liquid phase sintering of iron based metallic glassy powder with Al-Cu eutectic alloy. In International Powder Metallurgy Congress and Exhibition, Euro PM 2013 European Powder Metallurgy Association (EPMA).