Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Hyo-Sang Yoo"'
Autor:
Hyo-Sang Yoo, Yong-Ho Kim, Byoung-Kwon Lee, Eun-Chan Ko, Sang-Chan Lee, Seong-Hee Lee, Hyeon-Taek Son
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 69, Iss No 1, Pp 53-56 (2024)
This study investigated the improvement in the electrical conductivity and mechanical properties obtained by adjusting the amount of the Sr addition to the Al-Zn-Mg-Mn alloy. The addition of Sr formed an intermetallic compounds, and the volume fracti
Externí odkaz:
https://doaj.org/article/2a9e1052b629422ab2f94823b0a202e7
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 69, Iss No 1, Pp 29-32 (2024)
This study investigated the effect of cladding on tool steel (SKD61) by using 5%Cr-1.5%Mo-Fe powder (SKD61), which is expected to be economically effective when used to manufacture and mend die-casting parts. The cladding conditions were as follows:
Externí odkaz:
https://doaj.org/article/5b5e4b432b55414790256b130c48caa1
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 68, Iss No 1, Pp 47-50 (2023)
In this study, the effects of heat-treatment conditions of Fe powder compacts on densification, microstructure, strength and magnetic properties were investigated. The prepared Fe powder was compressed in a mold of diameter 20 mm at a pressure of 800
Externí odkaz:
https://doaj.org/article/86476300e9814d76927350e23fb6cea8
Autor:
Cheol-Woo Kim, Hyo-Sang Yoo
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 67, Iss No 4, Pp 1465-1468 (2022)
In this study, we investigated the effect of cladding on structural carbon steel (S45C) using 5%Cr-1.5%Mo-Fe powder (SKD61), which is expected to show economically efficient production of die-casting parts. The process conditions were performed under
Externí odkaz:
https://doaj.org/article/bf059e85961940189160e56490e9367a
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 4, Pp 1033-1036 (2021)
Laser cladding is a method that can be applied to repair the crack and break on the mold and die surfaces, as well as generate new attributes on the surface to improve toughness, hardness, and corrosion resistance. It is used to extend the life of th
Externí odkaz:
https://doaj.org/article/f458e1c5d98e4b099a77284965fbfb2f
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:
Archives of Metallurgy and Materials, Vol vol. 65, Iss No 3, Pp 1029-1033 (2020)
In this study, we investigated the effect of Fe addition (0, 0.25, 0.50 and 0.75 wt.%) on the microstructure, mechanical properties and electrical conductivity of as-cast and as-extruded Al-RE alloys. As the Fe element increased by 0 and 0.75wt.%, th
Externí odkaz:
https://doaj.org/article/911cca4a1e4e42b3a8189815fd2a804c
Autor:
Hyo-Sang Yoo, Yong-Ho Kim, Byoung-Kwon Lee, Eun-Chan Ko, Seong-Hee Lee, Sang-Chan Lee, Hyeon-Taek Son
Publikováno v:
Korean Journal of Materials Research. 32:489-495
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99937fb2551161e98fcaecbf03540e32
https://doi.org/10.3740/mrsk.2022.32.11.489
https://doi.org/10.3740/mrsk.2022.32.11.489
Publikováno v:
Korean Journal of Materials Research. 32:403-407
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::850265b971b2e80597696b5c40f72f5b
https://doi.org/10.3740/mrsk.2022.32.10.403
https://doi.org/10.3740/mrsk.2022.32.10.403
Publikováno v:
Journal of Korean Powder Metallurgy Institute. 29:28-33
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::370fc1978758012b7332402df6497eda
https://doi.org/10.4150/kpmi.2022.29.1.28
https://doi.org/10.4150/kpmi.2022.29.1.28