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2016 Vol.26, Issue 12
Effects of Metalloid Elements on the Mechanical Properties of Fe-Based Bulk Amorphous Alloys
Yongchan Kim1
,
Byoungchul Hwang2†
1Amorphous Research Team, Research Institute of Industrial Science & Technology, Pohang 37673, Republic of Korea
2Department of Materials Science and Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
†Corresponding author E-Mail : bhwang@seoultech.ac.kr (B. Hwang, Seoul Nat'l Univ. Sci. and Technol.)
December 2016. pp. 671-675
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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
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Information
  • Publisher :Materials Research Society of Korea
  • Publisher(Ko) :한국재료학회
  • Journal Title :Korean Journal of Materials Research
  • Journal Title(Ko) :한국재료학회지
  • Volume : 26
  • No :12
  • Pages :671-675
  • Received Date : 2016-10-12
  • Revised Date : 2016-10-12
  • Accepted Date : 2016-10-17
  • DOI :https://doi.org/10.3740/MRSK.2016.26.12.671
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