한국산학기술학회논문지 (Journal of the Korea Academia-Industrial cooperation Society)

  • 제13권1호
  • /
  • Pages.8-13
  • /
  • 2012
  • /
  • 1975-4701(pISSN)
  • /
  • 2288-4688(eISSN)
한국산학기술학회 (The Korea Academia-Industrial cooperation Society)
권호 표지
DOI QR코드

DOI QR Code

9mm 합금타이타늄 중간 선재 연구

A Study on The Φ 9mm Titanium Alloy Wire

  • 김상연 (대구보건대학교 안경광학과)
  • 투고 : 2011.11.21
  • 심사 : 2012.01.05
  • 발행 : 2012.01.31
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

Ti-3Al-2.5V 잉고트를 제작하고 직경 9mm 합금타이타늄 wire로 가공하여 수입소재와 비교하여 그 특성을 조사하였다. 잉고트는 산소함량이 0.11wt%이고 철 함량이 0.085wt%로서 ASTM Gr.9 규격을 만족하였다. 9mm 합금 타이타늄 wire 경도는 225-250Hv로 비슷한 결과를 얻었고, 인장강도는 수입소재가 804MPa이고, 국내 개발품은 734MPa이었다. 연신율은 수입소재가 12%이고 국내 개발품은 22%였다. 직경 400mm 잉고트에서 단조 및 다단 열간 압연공정을 통해 직경 9.0mm 타이타늄합금선재를 제작하는 새로운 제작공정을 개발하였다.

Ti-3Al-2.5V ingot was produced, processed into a titanium alloy wire of 9mm diameter, and the characteristics were studied in comparison with imported material. The ingot satisfied ASTM Grade 9 standard showing oxygen content of 0.11wt% and iron content of 0.085wt%. The hardness of the 9mm diameter titanium alloy was similar to that of the imported material showing values between 225 and 250Hv, and the tensile strength of the imported material was 804MPa while that of the domestic development was 734MPa. The elongation of the imported material was 12% while that of the domestic development was 22%. A new process of manufacturing 9.0mm diameter titanium alloy wire through forging and multi-step hot rolling process out of 400mm diameter ingot was developed.

키워드

참고문헌

  1. S. E. Kim, H. W. Jeong, Y. T. Hyen, D. K. Lee, Y. T. Lee, J. K. Park, J. H. Lee, "Alloy Design and Biocompatibility Evaluation of Low Modulus Titanium Alloys", J. Kor. Inst. Met. & Mater., V44, No.6, pp 462-468, 2006.
  2. Y. T. Lee, D. G. Lee, "R&D Status of Titanium", Trends in Metals & Materials Engineering, V21, No1, pp.8-16, 2008.
  3. Y. T. Lee, J. H. Lee, "Manufacturing technology for titanium", Korea metel Journal, pp. 462, 2006.
  4. Y. Oshida, Bioscience and Bioengineering of Titanium Materials, p.16, First Edition, Elsevier 2007.
  5. Huk-Chun Kwon, "Development of titanium casting technology by VAR(vacuum Arc Remelting)", pp.66, MCIE(Ministry of Commerce, Industry and Energy), 2002.
  6. Sang-Yeoun. Kim, "Development of manufacturing technology to make the Titanium wire for Eyewear frame", pp.10, KOISC(Korea Optical Industry Support Center), 2009.
  7. Sang-Yeoun. Kim, Gye-hun Choi, Journal of The Korea Academia-industrial cooperation Society V12, No.3, pp. 1105-1110, 2011. https://doi.org/10.5762/KAIS.2011.12.3.1105
  8. Sang-Yeoun Kim, Journal of The Daegu Health College. V29, No.1, pp. 189-203, 2009.
  9. Y. T. Lee, J. H. Lee, "Manufacturing technology for titanium", Korea metel Journal, pp.141, 2006.