[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.3740/MRSK.2016.26.12.671

Effects of Metalloid Elements on the Mechanical Properties of Fe-Based Bulk Amorphous Alloys

Kim, Yongchan (Amorphous Research Team, Research Institute of Industrial Science & Technology)
Hwang, Byoungchul (Department of Materials Science and Engineering, Seoul National University of Science and Technology)

Publication Information

Korean Journal of Materials Research / v.26, no.12, 2016 , pp. 671-675 More about this Journal

Abstract

In this study, the glass-forming ability and mechanical properties of newly developed Fe-Mn-Cr-Mo-B-C-P-Si-Al bulk amorphous alloys were investigated, and metalloid elements such as B, C, and P were found to have a strong influence on the properties of the Fe-based amorphous alloys. When the total metalloid content (B, C, and P) is less than 5 %, only the crystal phase is formed, but the addition of more than 10 % metalloid elements enhances the glass forming ability. In particular, the alloys with 10 % metalloid content exhibit the best combination of very high compressive strength (~2.8 GPa) and superior fracture elongation (~30 %) because they consist of crystal/amorphous composite phases.

Keywords

metalloid; Fe-based; amorphous; alloy; bulk;

Citations & Related Records

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