한국기계가공학회지 (Journal of the Korean Society of Manufacturing Process Engineers)

  • 제16권4호
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  • Pages.9-15
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  • 2017
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  • 1598-6721(pISSN)
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  • 2288-0771(eISSN)
한국기계가공학회 (The Korean Society of Manufacturing Process Engineers)
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금속 3D 프린팅으로 보수된 AISI H13 금형강 마모특성 평가

Evaluation of Wear Characteristics of AISI H13 Tool Steel Repaired by Metal 3D Printing

  • 이성윤 (한국생산기술연구원 극한가공기술그룹) ;
  • 이인규 (한국생산기술연구원 극한가공기술그룹) ;
  • 정명식 (한국생산기술연구원 극한가공기술그룹) ;
  • 이재욱 (한국생산기술연구원 극한가공기술그룹) ;
  • 이선봉 (계명대학교 기계자동차공학과) ;
  • 이상곤 (한국생산기술연구원 극한가공기술그룹)
  • 투고 : 2017.03.24
  • 심사 : 2017.05.29
  • 발행 : 2017.08.31
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초록

In hot forming process, the dies in which excessive worn or crack occurs is reused after repair. Generally hot forming dies are recycled through a welding repair method. Welding repair methods are highly dependent on the skills of engineer. It causes process defects such as dimensional defects and structural defects. Recently, the metal 3D printing method has been applied to the repair of used dies. The aim of this study is to evaluate the wear characteristics of AISI H13 tool steel repaired by 3D printing method. Three kinds of wear specimens were fabricated by using 3D printing, welding, and initial material. A pin-on-disk wear test was carried out to evaluate the wear characteristics. From the result of wear test, the wear characteristics of 3D printing method was superior to that of the welded material, and was similar to that of the initial material.

키워드

참고문헌

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피인용 문헌

  1. CAPP for 3D Printer with Metallic Wire Supplied from the Front vol.17, pp.5, 2018, https://doi.org/10.14775/ksmpe.2018.17.5.155
  2. Latest Research Trends of 3D Printing in Korea vol.35, pp.9, 2017, https://doi.org/10.7736/kspe.2018.35.9.829
  3. Microstructures and Mechanical Properties of Deposited Fe-8Cr-3V-2Mo-2W on SCM420 Substrate Using Directed Energy Deposition and Effect of Post-Heat Treatment vol.14, pp.5, 2017, https://doi.org/10.3390/ma14051231