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가스분무법에 의한 Fe계 비정질 분말의 제조와 볼밀링공정에 의한 연질 Cu 분말과의 복합화 및 SPS 거동 (I) - I. 가스분무 및 복합화 - KCI 등재
Production of Fe Amorphous Powders by Gas-atomization Process and Subsequent Spark Plasma Sintering of Fe Amorphous-ductile Cu Composite Powders Produced by Ball-milling Process (I) - I. Gas Atomization and Production of Composite Powders -
pp.316-325
Fe based (FeCSiBPCrMoAl) amorphous powder, which is a composition of iron blast cast slag, were produced by a gas atomization process, and sequently mixed with ductile Cu powder by a mechanical ball milling process. The experiment results show that the as-prepared Fe amorphous powders less than 90 m in size has a fully amorphous phase and its weight fraction was about 73.7%. The as-atomized amorphous Fe powders had a complete spherical shape with very clean surface. Differential scanning calorimetric results of the as-atomized Fe powders less than 90 m showed that the glass transition, T, onset crystallization, T, and super-cooled liquid range T=T-T were 512, 548 and 36, respectively. Fe amorphous powders were mixed and deformed well with 10 wt.% Cu by using AGO-2 high energy ball mill under 500 rpm.
