방전플라즈마소결을 이용한 Ni계 비정질 복합재의 제조
Synthesis of Ni-based Metallic Glass Composite Fabricated by Spark Plasma Sintering
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초록
A bulk metallic glass-forming alloy, Ni59Zr20Ti16Si2Sn3 metallic glass powders was used for good commercial availability and good formability in supercooled liquid region. In this study, the Ni-based metallic glass was synthesized using by high pressure gas atomized metallic glass powders. In order to create a bulk metallic glass sample, the Ni59Zr20Ti16Si2Sn3 metallic glass powders with ball-milled Ni-based amorphous powder with 40%vol brass powder and Cu powder for 20 hours. The composite specimens were prepared by Spark Plasma Sintering for the precursor. The SPS was performed at supercooled liquid region of Ni-based metallic glass. The amorphous structure of the final sample was characterized by SEM, X-ray diffraction and DSC analysis.
Abstract
A bulk metallic glass-forming alloy, Ni59Zr20Ti16Si2Sn3 metallic glass powders was used for good commercial availability and good formability in supercooled liquid region. In this study, the Ni-based metallic glass was synthesized using by high pressure gas atomized metallic glass powders. In order to create a bulk metallic glass sample, the Ni59Zr20Ti16Si2Sn3 metallic glass powders with ball-milled Ni-based amorphous powder with 40%vol brass powder and Cu powder for 20 hours. The composite specimens were prepared by Spark Plasma Sintering for the precursor. The SPS was performed at supercooled liquid region of Ni-based metallic glass. The amorphous structure of the final sample was characterized by SEM, X-ray diffraction and DSC analysis.
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