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

  • 제17권4호
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  • Pages.64-69
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  • 2018
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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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3D 프린팅으로 제작한 Ti-6Al-4V 재료의 Johnson-Cook 모델의 유동 응력 결정

Flow Stress Determination of Johnson-Cook Model of Ti-6Al-4V Material using 3D Printing Technique

  • 투고 : 2018.03.19
  • 심사 : 2018.05.31
  • 발행 : 2018.08.31
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초록

This paper investigates the compressive deformation behavior of direct metal tooling (DMT), processing titanium alloy (Ti-6Al-4V) parts under high strain loading conditions. Split Hopkinson Pressure Bar (SHPB) experiments were performed to determine the flow stress and the coefficients of the Johnson-Cook model. This model is described as a function of strain, strain rate, and temperature. SHPB experiments were performed to characterize the deformation behavior of specimens made with 3D printers, using Ti-6Al-4V material under high temperature and dynamic loading.

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참고문헌

  1. Oh, Y. J., Seok, S.h., Lee, S. H., Kim, K. M., Kwon, J. S., Lim, B. S. ,"Evaluation of Physical Properties of Titanium Specimen Fabricated by 3D Printing Technique" Korean Society for Dental Materials, Vol. 43, No. 1, PP. 29-42, 2016. https://doi.org/10.14815/kjdm.2016.43.1.29
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  4. Aviral Shrot, Martin Baker, "Determination of Johnson-Cook Parameter from Machining Simulation", Computational Material Science Vol. 52, No. 1, pp. 298-304, 2012. https://doi.org/10.1016/j.commatsci.2011.07.035
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  6. Ahn, K. W., Kim, D. H., Kim, T. H., Jeon, E. C., "Determination and Verification of Flow Stress of Low-alloy Steel Using Cutting Test", Journal of the Korean Society of Manufacturing Process Engineers, Vol. 13, No. 5, pp. 50-56, 2014. https://doi.org/10.14775/ksmpe.2014.13.5.050
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  8. Agmell, M., Ahadi, A., Stahl, J-E., "A Fully Coupled Thermomechanical Two-dimensional Simulation Model for Orthogonal Cutting: Formulation and Simulation", Journal of Engineering manufacture Vol. 223, No. 10, pp. 1735-1745, 2011.
  9. An, W. J., Woo, M. A., Noh, H. G., Kang, B. S., Kim, J., "Design and Fabrication of Split Hopkinson Pressure Bar for Acquisition of Dynamic Material Property of Al6061-T6", Korean Society of Precision Engineering, Vol. 33, No. 7, pp. 587-594, 2016. https://doi.org/10.7736/KSPE.2016.33.7.587
  10. Lee, O. S. , Park, J. S. , Choi, H. B., Kim, H. M., "Characterization of Dynamic Deformation Behavior of Al7075-T6 at High Temperature by Using SHPB Technique", The Korean Society of Mechanical Engineers, Vol. 34, NO. 8, PP. 981-987, 2010. https://doi.org/10.3795/KSME-A.2010.34.8.981

피인용 문헌

  1. Determination of Flow Stress and Cutting Force Prediction of Ti-6Al-4V Material for 3D Printer using S-K Constitutive Equation vol.17, pp.6, 2018, https://doi.org/10.14775/ksmpe.2018.17.6.068