Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Yong-Su Um"'
Autor:
Tomoaki Yano, Yong-Su Um
Publikováno v:
TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C. 77:651-659
Autor:
Tomoaki Yano, Yong-Su Um
Publikováno v:
The Proceedings of the Machine Design and Tribology Division meeting in JSME. :51-54
Publikováno v:
Solid State Phenomena. :1805-1808
We have been investigated application of the lotus type porous metal that is manufactured by the unidirectional solidification of the melt in pressurized gas atmosphere such as hydrogen or nitrogen for an air bearing development. In this study, wear
Publikováno v:
Materials Science Forum. :1851-1856
A study on the tensile, compression and bending test of Aluminum foam Application for auto bumper and rod. We know a more efficiency to adhesive Aluminum foam out side of part in aspect to price, weight and capacity when make auto-component using alu
Publikováno v:
Solid State Phenomena. :656-660
The surface tension and the viscosity characteristics of molten metal are the most important factors in casting process and metallic foam manufacturing especially. The surface tension (by the modified ring method) and the viscosity (by the rotational
Publikováno v:
Materials Science Forum. :902-905
Al-Mg alloy foam used in this study was prepared, and Al-Mg alloy was melted by using a high-frequency induction furnace. Thickening and foaming agent were added to the molten Al-Mg alloy at a specific temperature, which was stirred. For uniform dist
Publikováno v:
Materials Science Forum. :602-605
The development of mineral wool core sandwich panel depends on the reaction of resin on mineral wool and face sheet. The most important factors in developing the mineral wool core are optimization of the Curing system and density of the used resin. I
Publikováno v:
Materials Science Forum. :226-229
The effects of processing parameters such as addition type and Mg content on the fabrication of Al2O3p/Al composites by in-situ reaction process of molten Al were investigated in terms of infiltration behavior of molten Al and the variation of the mi
Publikováno v:
Materials Science Forum. :742-745
Foamed metal is a kind of porous material with pores in the metal matrix. One of the possible process routes is to blow gas bubbles into liquid metals. However, many metallic foams produced by this foaming method have coarse and irregular cell struct
Autor:
Yong-Su Um, Soong-Keun Hyun, J.S. Park, Hideo Nakajima, Masakazu Tane, Bo-Young Hur, Fumio Ono, Hidekazu Sueno
Publikováno v:
MATERIALS TRANSACTIONS. 47:2208-2212
Lotus-type porous copper with long cylindrical pores aligned in one direction parallel to the solidification direction was fabricated by unidirectional solidification of the melt in a mixed gas of hydrogen and argon. Compression tests were performed