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Hardness Estimation of Compressor Journal for a Use of Instrumented Indentation Techniques

계장화 압입시험법을 이용한 차량용 컴프레서 저널 경도 평가

  • Received : 2011.10.18
  • Accepted : 2012.02.21
  • Published : 2012.06.15

Abstract

This paper deals with application of instrumented indentation technique for quality inspection methodology for automobile component. For this, the instrumented indentation tests were performed the normal and cracked compressor journal, which is made from spheroidal graphite cast iron and utilized in air-conditioning system. And the Brinell hardness was estimated using the unloading slope and maximum indentation force. With the aid of Normal distribution, this Brinell hardness was statistically compared and analyzed with hardness measured by indentation hardness tests. Also, application possibility of reliability-based quality inspection criteria for compressor journal was evaluated through the probabilistic analysis for the Brinell hardness estimated by instrumented indentation technique.

Keywords

References

  1. Ko, Y. H., Lee, J. M., and Kim, B. M., 2004, "Determination of the Mechanical Properties of Coated Layer in the Sheet Metal," Autumn Conference Proceedings of KSPE, pp. 1-4.
  2. Baek, S. Y., and Yun, K. H., 2010, "A Study on Fatigue Design Automation of Plug- and Ring-type Gas-welded Joints of STS301L Taking Welded Residual Stress into Account," Transactions of the KSME A, Vol. 34, No. 9, pp. 1137-1143. https://doi.org/10.3795/KSME-A.2010.34.9.1137
  3. So, S. W., Hwang, H. T., Lee, J. H., and Choi, H. W., 2011, "Development of Automotive Lower Arm using Hybrid Manufacturing Process," Journal of KSMTE, Vol. 20, No. 2, pp. 121-218.
  4. Goo, B. C., Lee, D. H., Kwon, D. I., and Choi, Y., 2004, "Evaluation of Mechanical Properties of Welded Joints by an Instrumented Indentation Test and Fatigue Life Evaluation," Journal of the Korean Society for Railway, Vol. 7, No. 2, pp. 142-148.
  5. Lee, H. I., and Lee, J. H., 2008, "Evaluation of Material Characteristics by Micro/Nano Indentation Test," Transactions of the KSME A, Vol. 32, No. 10, pp. 805-816.
  6. Lee, Y. H., Kim, J. Y., Kim, Y. I., Nahm, S. H., and Kwon, D. I., 2006, "Accurate Measurement of Indentation Hardness through a Three-dimensional Analysis for a Nanoindent Morphology," J. of Kor. Inst. Met. & Mater., Vol. 44, No. 7, pp. 485-490.
  7. Knapp, J. A., Follstaedt, D. M., Myers, S. M., Barbour, J. C., and Friedmann, T. A., 1999, "Finite Element Modeling of Nano-indentation," J. of App. Phy., Vol 85, No. 3, pp. 1460-1474. https://doi.org/10.1063/1.369178
  8. Lee, H. I., Lee, J. H., and Pharr, G. M., 2005, "A Numerical Approach to Spherical Indentation Techniques for Material Property Evaluation," J. of Mech. Phy. Sol., Vol. 53, pp. 2037-2069. https://doi.org/10.1016/j.jmps.2005.04.007
  9. Maier, P., Richter, A., Faulkner, R. G., and Ries, R., 2002, "Application of Nanoindentation Technique for Structural Characterisation of Weld Materials," Mater. Charac., Vol. 48, No. 4, pp. 329-339. https://doi.org/10.1016/S1044-5803(02)00274-7
  10. Hahn, J. H., Lee, K. R., Kim, K. S., and Lee, S. Y., 2002, "Principal and Applications of Nanoindentation Test," J. of KSPE, Vol. 19, No. 3, pp. 19-26.