Zobrazeno 1 - 10
of 114
pro vyhledávání: '"Ik Hyun Oh"'
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 4, Pp 997-1000 (2021)
In this study, a novel composite was fabricated by adding the Hafnium diboride (HfB2) to conventional WC-Co cemented carbides to enhance the high-temperature properties while retaining the intrinsic high hardness. Using spark plasma sintering, high d
Externí odkaz:
https://doaj.org/article/186c1987762d4c0aa55bf263d7cad5c6
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 4, Pp 1029-1032 (2021)
WC-Co cemented carbides were consolidated using spark plasma sintering in the temperature 1400°C with transition metal carbides addition. The densification depended on exponentially as a function of sintering exponent. Moreover, the secondary (M, W)
Externí odkaz:
https://doaj.org/article/b5848182776944d59a619eb9c6745592
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 65, Iss No 3, Pp 1045-1049 (2020)
This research describes effects of Si addition on microstructure and mechanical properties of the Al-Cr based alloys prepared manufactured using gas atomization and SPS (Spark Plasma Sintering) processes. The Al-Cr-Si bulks with high Cr and Si conten
Externí odkaz:
https://doaj.org/article/f0eba59611184a599fda7e7ac58a3cd7
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 2, Pp 2247-2258 (2020)
Severe plastic deformation is closely related to the microstructural behaviors of intermetallics or grain refinement by mechanical milling and subsequent rapid sintering process, i.e. high energy ball milling and spark plasma sintering. In this study
Externí odkaz:
https://doaj.org/article/96a298e7807a46d88de57b68af2b3751
Autor:
HYUN-KUK-PARK1, IK-HYUN-OH1, JU-HUN-KIM1,2, SUNG-KIL-HONG2, JEONG-HAN LEE1,2 ljh88@kitech.re.kr
Publikováno v:
Archives of Metallurgy & Materials. 2021, Vol. 66 Issue 4, p997-1000. 4p.
Publikováno v:
Metals and Materials International. 27:3409-3416
Abstract Densely consolidated WC-based hard materials with 5–20 vol% ZrSiO4 was fabricated by spark plasma sintering at 1400 ℃ at a constant heating rate of 70 ℃/min−1. To achieve mechanical alloying of WC-ZrSiO4, planetary ball milling was c
Publikováno v:
Metals and Materials International. 27:456-466
The aim of this study is to investigate the structural evolution and mechanical properties of TiAlSiN coatings when processed by the arc ion plating method. To form a hard coating, Ti, Al, and Si powders were mechanically alloyed by planetary ball mi
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 2, Pp 2247-2258 (2020)
Severe plastic deformation is closely related to the microstructural behaviors of intermetallics or grain refinement by mechanical milling and subsequent rapid sintering process, i.e. high energy ball milling and spark plasma sintering. In this study
Publikováno v:
Journal of Alloys and Compounds. 797:612-621
In this study, Ti50Al45Si5 multi-component powders are synthesized to investigate their amorphization or crystallization behaviors by mechanical alloying and subsequent heat treatment. The mechanically alloyed Ti50Al45Si5 multi-component powder was b
Publikováno v:
Korean Journal of Metals and Materials. 57:304-309