Microstructures and Properties of W-26Re Alloy by SPS

Song Wang; Ming Xie

doi:10.4028/www.scientific.net/AMM.236-237.113

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 236-237Microstructures and Properties of W-26Re Alloy by...

Microstructures and Properties of W-26Re Alloy by SPS

Abstract:

W-26Re alloy was fabricated by spark plasma sintering (SPS) technology. The phases, microstructures and mechanical properties of the alloy were investigated by X-ray diffraction, optical light microscope, scanning electron microscope, energy dispersion spectroscope, digital display micro-hardness tester and tensile test. Results show that, using SPS technique can prepare W-26Re alloy with high density, fine grain and excellent mechanical properties. The relative density of W-26Re alloy was 96.2%. The main phases in the alloy were determined by the amount of (W) solid solution and the intermetallic  phases. The micro-hardness was 729HV, the ultimate tensile strength was 1680MPa, yield tensile strength was 1143MPa and elongation of alloy was 8.7%.

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Periodical:

Applied Mechanics and Materials (Volumes 236-237)

Pages:

113-117

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.236-237.113

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Online since:

November 2012

Authors:

Song Wang, Ming Xie

Keywords:

Mechanical Property, Microstructure, Spark Plasma Sintering (SPS), W-26Re Alloy

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