Effect of Mechanical Alloying on the Microstructural Evolution of Al60Cr30Si10 Alloys Processed by Spark Plasma Sintering

Jeong‑Han Lee; Ik‑Hyun Oh; Jun‑Ho Jang; Ju‑Hun Kim; Sung‑Kil Hong; Hyun‑Kuk Park

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자료유형: 학술저널

저자정보: Jeong‑Han Lee (Korea Institute of Industrial Technology (KITECH)) Ik‑Hyun Oh (Korea Institute of Industrial Technology (KITECH)) Jun‑Ho Jang (Korea Institute of Industrial Technology (KITECH)) Ju‑Hun Kim (Korea Institute of Industrial Technology (KITECH)) Sung‑Kil Hong (Chonnam National University) Hyun‑Kuk Park (Korea Institute of Industrial Technology (KITECH))

저널정보: 대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.27 No.5

발행연도: 2021.1

수록면: 1,147 - 1,154 (8page)

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In this study, Al, Cr and Si fine powders were alloyed by planetary ball milling to investigate their microstructural evolution,following their mechanical alloying behavior. The formation of Al(Cr) supersaturated solid solution by the Cr grainsembedded in Al-matrix, which contributed substitutional structure is discussed in relation to their structural evolution inaccordance with the distortion of a crystal lattice. The compacts of Al–Cr–Si alloys were prepared by rapid sintering withina short time by dense consolidation above the density of 99.9% as the formation of intermetallics, except in the case of thedistribution of single-phases induced by the Al-melting. The formation behavior of intermetallics was dominated by dependenceon the structures of the milled-powder and subsequent sintering temperature. To estimate the consolidated behaviorsof compacts, various approaches derived from TEM and XRD analysis were taken to obtain microstructural evidences ofthe inter-diffusion, following the presence of thermally stable intermetallics.

#Al–Cr–Si · Powder characteristics · Mechanical alloying · Spark plasma sintering · Intermetallics

참고문헌 (39)

참고문헌 신청

Bom Sok Kim / 2012 / Studies on the Application of Laser Surface Texturing to Improve the Tribological Performance of AlCrSiN-Coated Surfaces / Metals and Materials International 18(6):1023~1027

Jeong‑Han Lee / 2019 / Characterization and Property Evaluation of Ti‑Based Target Materials and Their Nitride Nano‑composites Coating Layers / Metals and Materials International 25(1):268~276

K. V. Smyrnova / 2018 / Met. Mater. Int 25(5):1024~1035

M. G. Faga / 2016 / Appl. Surf. Sci 365:218~226

R. Forsen / 2013 / Thin Solid Films 534:394~402

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