Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Sun-Hong Park"'
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 3, Pp 713-717 (2021)
This study fabricated a WC/T-800 cermet coating layer with Co-Mo-Cr (T-800) powder and WC powder using laser cladding, and analyzed its microstructure, hardness and wear properties. For comparison, casted bulk T-800 was used. Laser cladded WC/T-800
Externí odkaz:
https://doaj.org/article/5c00acedda9f491c809ee8e9f78066a3
Publikováno v:
Materials & Design, Vol 223, Iss , Pp 111188- (2022)
High-Mn steels have been intensively developed in steel industries due to their excellent mechanical properties and low density. However, the weak surface properties of these steels significantly limited the production and application scope. Various
Externí odkaz:
https://doaj.org/article/aed5852d431745ceaaeda116aa28d23a
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 65, Iss No 3, Pp 1087-1092 (2020)
The microstructure and macroscopic properties of WC-50Ni+stellite 1(Co-Cr-W, ST1) coating layer fabricated by HVOF spray have been investigated. WC-50Ni powder and ST1 powders were mixed in the ratio of 1:0 and 5:5 wt.%, respectively. Argon heat trea
Externí odkaz:
https://doaj.org/article/2cb7e1e2aed343228dc0d765cae7e6f0
Autor:
Sun-Hong Park, Sanghee Park, Seongheon Lee, Jeong Il Choi, Hong-Beom Bae, Youngwook You, Seongtae Jeong
Publikováno v:
Korean Journal of Anesthesiology, Vol 73, Iss 1, Pp 51-57 (2020)
Background This study was performed to evaluate the effect of a wagon as a transport vehicle instead of the standard stretcher car to reduce children’s anxiety of separation from parents. The secondary goal was to evaluate whether this anxiolytic e
Externí odkaz:
https://doaj.org/article/690a74f12faf4d32881363e7bf7e34ac
Publikováno v:
Advances in Materials Science and Engineering, Vol 2015 (2015)
This study investigated the effects of acid-treated MWCNTs on the workability, compressive and tensile strength, porosity, and microstructure of CNT/cement composites. While workability decreased with acid treatment of CNTs, compressive and tensile s
Externí odkaz:
https://doaj.org/article/a8f1f3658e544af0815f5627cd17353c
Publikováno v:
Korean Journal of Environment and Ecology. 35:408-423
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5df880e121e72b26ddc8dba5ddad1563
https://doi.org/10.13047/kjee.2021.35.4.408
https://doi.org/10.13047/kjee.2021.35.4.408
Publikováno v:
Journal of Korean Powder Metallurgy Institute. 28:301-309
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88b2beed437bdf1e1ae5ec9b7beebae6
https://doi.org/10.4150/kpmi.2021.28.4.301
https://doi.org/10.4150/kpmi.2021.28.4.301
Publikováno v:
Metals and Materials International. 27:2614-2622
The rapid melting and solidification cycle in additive manufacturing creates a non-equilibrium environment that induces metastable microstructures. These metastable microstructures include solute heterogeneity, dislocation cell structure and nano-siz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ae5ab4c3ed0e4b15f0a2e925226d2a1
https://doi.org/10.1007/s12540-021-00991-y
https://doi.org/10.1007/s12540-021-00991-y
Publikováno v:
Wear. :204653
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3df6d1e6718eb029933eea22eb32a989
https://doi.org/10.1016/j.wear.2023.204653
https://doi.org/10.1016/j.wear.2023.204653
Publikováno v:
Journal of Korean Powder Metallurgy Institute. 27:210-218
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a1618776ead0a6583b4f9e4b8622361
https://doi.org/10.4150/kpmi.2020.27.3.210
https://doi.org/10.4150/kpmi.2020.27.3.210