Korea Institute of Science and Technology

Eric Fleury

Yu-Chan Kim

Ki-bae Kim

Yu Chan Kim

Do-hyang Kim

Byung-Joo Park

Jayamani Jayaraj

Jae Chul Lee

Hyun Kwang Seok

Hyun-Kwang Seok

Kwang-Youn Kim

Do Hyang Kim

Ki Bae Kim

Dohyang Kim

Mee-soon Lee, Legal Representative

Jayaraj Jayamani

The present invention relates to an amorphous alloy and a method for manufacturing thereof. The amorphous alloy according to the present invention includes has a chemical formula of Feioo-a-b-c-d-e-f-gCraMobCcBaYeMflg. Here, the M is at least one selected from a group consisting of Al, Co, N1 and Ni, and the I is at least one selected from a group consisting of Mn, P, S, and O as impurities. The a, b, c, d, e, f, and g are satisfied with the compositions of 16.0 wt %&#x2266;a&#x3c;22.0 wt %, 15.0 wt %&#x3c;b&#x2266;27.0 wt %, 2.0 wt %&#x2266;c&#x3c;3.5 wt %, 1.0 wt %&#x3c;d&#x2266;1.5 wt %, 1.0 wt %&#x3c;e&#x2266;3.5 wt %, 0.25 wt %&#x3c;f&#x2266;3.0 wt %, and 0.01 wt %&#x2266;g&#x3c;0.5 wt %, respectively.

Amorphous alloy and manufacturing method thereof

A nanometer-sized porous metallic glass and a method for manufacturing the same are provided. The porous metallic glass includes Ti (titanium) at 50.0 at % to 70.0 at %, Y (yttrium) at 0.5 at % to 10.0 at %, Al (aluminum) at 10.0 at % to 30.0 at %, Co (cobalt) at 10.0 at % to 30.0 at %, and impurities. Ti +Y+Al+Co+the impurities=100.0 at %.

Metallic glass with nanometer-sized pores and method for manufacturing the same

In Cu-based bulk amorphous matrix composite materials, comprising a Cu-based amorphous alloy containing high fusion point element(s) selected from a group of Ta, W or combination thereof, wherein the high fusion point element(s) has(have) a shape of crystalline grain and is(are) dispersed around a Cu-based amorphous matrix. Cu-based bulk amorphous matrix composite materials have the composition expressed as the following Chemical formula 1;CuZrTiR&#x2003;&#x2003;[Chemical formula 1]

Method for producing composite materials comprising Cu-based amorphous alloy and high fusion point element and composite materials produced by the method

A nanometer-sized porous metallic glass and a method for manufacturing the same are provided. The porous metallic glass includes Ti (titanium) at 50.0 at % to 70.0 at %, Y (yttrium) at 0.5 at % to 10.0 at %, Al (aluminum) at 10.0 at % to 30.0 at %, Co (cobalt) at 10.0 at % to 30.0 at %, and impurities. Ti+Y+Al+Co+the impurities=100.0 at %.

The present invention relates to a Cu-based amorphous alloy composition having a chemical composition represented by the following general formula, by atomic %: CuZrAl(M)(M), where a, b, c and d satisfy the formulas of 36&#x2266;a&#x2266;49, 1&#x2266;b&#x2266;10, 0&#x2266;c&#x2266;10, and 0&#x2266;d&#x2266;5, respectively, and c and d are not zero at the same time, and M, the 4th element added to a ternary alloy of Cu&#x2014;Zr&#x2014;Al, is one metal element selected from the group consisting of Nb, Ti, Be and Ag, and M, the 5th element added to the ternary alloy of the Cu&#x2014;Zr&#x2014;Al, is one amphoteric element or non-metal element selected from the group consisting of Sn and Si.

Cu-based amorphous alloy composition

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Seoul, South Korea

Eric Fleury