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Korean Journal of Metals and Materials > Volume 55(5); 2017 > Article
Korean Journal of Metals and Materials 2017;55(5): 342-347. doi: https://doi.org/10.3365/KJMM.2017.55.5.342
침입형 탄소 확산을 이용하여 제조한 고강도 Ti 합금
김보영1,2, 고세현2, 이재철1
1고려대학교 신소재공학과
2한국생산기술연구원 융합공정소재그룹
High-strength Ti Alloy Prepared via Promoting Interstitial-Carbon Diffusion
Bo-Young Kim1,2, Se-Hyun Ko2, Jae-Chul Lee1
1Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
2Advanced Process and Materials R&D Group, KITECH, Incheon 21999, Republic of Korea
Correspondence  Se-Hyun Ko ,Tel: +82-42-864-2205, Email: shko@kitech.re.kr
Jae-Chul Lee ,Tel: +82-42-864-2205, Email: jclee001@korea.ac.kr
Received: 7 September 2016;  Accepted: 24 October 2016.  Published online: 9 May 2017.
ABSTRACT
Feasibility studies are performed to determine the suitability of a novel simple synthesis technique for fabricating a new Ti alloy with improved strength and ductility, while exhibiting lower cell toxicity. Through consolidating pure Ti powders under a C atmosphere at elevated temperatures, a bulk form of the Ti alloy, in which a quantifiable amount of C is dissolved, is synthesized. While the alloy is free from toxic elements such as Al and V, the strength and ductility of the developed alloy are comparable to, or better than, those of its commercial Ti-6Al-4V alloy counterpart. In this study, the method to design the alloy, its synthesis, and the resultant properties are reported.
Keywords: diffusion, solid solution, powder metallurgy, titanium alloy, mechanical properties
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