Posco

Research Institute of Industrial Science & Technology

Sang-Won Kim

Seong Hoon Yi

Sang-Wook Ha

Sang-Hoon Yoon

Eon-Byeong Park

Seung-Dueg Choi

Young-Geun Son

Gab-Sik Byun

Oh Joon Kwon

Oh-Joon Kwon

Provided is an iron-based amorphous alloy and a method of manufacturing the same. More particularly, provided is an high carbon iron-based amorphous alloy expressed by a general formula FeCSi&#x3b3;BxPyCrz, wherein &#x3b1;, &#x3b2;, &#x3b3;, x, y and z are atomic % of iron (Fe), carbon (C), silicon (Si), boron (B), phosphorus (P), and chrome (Cr) respectively, wherein &#x3b1; is expressed by &#x3b1;=100&#x2212;(&#x3b2;+&#x3b3;+x+y+z) atomic %, &#x3b2; is expressed by 13.5 atomic %&#x2266;&#x3b2;&#x2266;17.8 atomic %, &#x3b3; is expressed by 0.30 atomic %&#x2266;&#x3b3;&#x2266;1.50 atomic %, x is expressed by 0.1 atomic %&#x2266;x&#x2266;4.0 atomic %, y is expressed by 0.8 atomic %&#x2266;y&#x2266;7.7 atomic %, and z is expressed by 0.1 atomic %&#x2266;z&#x2266;3.0 atomic %.

High-carbon iron-based amorphous alloy using molten pig iron and method of manufacturing the same

Provided is an iron-based amorphous alloy and a method of manufacturing the same. More particularly, provided is an high carbon iron-based amorphous alloy expressed by a general formula Fe&#x3b1;C&#x3b2;Si&#x3b3;BxPyCrz, wherein &#x3b1;, &#x3b2;, &#x3b3;, x, y and z are atomic % of iron (Fe), carbon (C), silicon (Si), boron (B), phosphorus (P), and chrome (Cr) respectively, wherein &#x3b1; is expressed by &#x3b1;=100&#x2212;(&#x3b2;+&#x3b3;+x+y+z) atomic %, &#x3b2; is expressed by 13.5 atomic %&#x2266;&#x3b2;&#x2266;17.8 atomic %, &#x3b3; is expressed by 0.30 atomic %&#x2266;&#x3b3;&#x2266;1.50 atomic %, x is expressed by 0.1 atomic %&#x2266;x&#x2266;4.0 atomic %, y is expressed by 0.8 atomic %&#x2266;y&#x2266;7.7 atomic %, and z is expressed by 0.1 atomic %&#x2266;z&#x2266;3.0 atomic %.

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Pohang-si, South Korea

Sang-Won Kim