Research Papers: Materials and Fabrication

Evaluation of Thermal Contact Resistance at the Interface of Dissimilar Materials

[+] Author and Article Information
Toshimichi Fukuoka

Kobe University,
Graduate School of Maritime Sciences,
5-1-1, Fukaeminami,
Higashinada, Kobe, 658-0022, Japan
e-mail: fukuoka@maritime.kobe-u.ac.jp

Masataka Nomura

Associate Professor
Kobe University,
Graduate School of Maritime Sciences
e-mail: nomura@maritime.kobe-u.ac.jp

Contributed by the Pressure Vessel and Piping Division of ASME for publication in the Journal of Pressure Vessel Technology. Manuscript received September 8, 2011; final manuscript received September 10, 2012; published online March 18, 2013. Assoc. Editor: Marina Ruggles-Wrenn.

J. Pressure Vessel Technol 135(2), 021403 (Mar 18, 2013) (7 pages) Paper No: PVT-11-1177; doi: 10.1115/1.4007958 History: Received September 08, 2011; Revised September 10, 2012

When jointed portions of structures and machines are subjected to thermal loads, various problems and troubles occur due to the difference in thermal expansions between mating parts. In order to accurately analyze thermal and mechanical behaviors of the joints, the effect of thermal contact resistance must be taken into account. In this paper, thermal contact coefficient, which is the reciprocal of thermal contact resistance, at the interface of dissimilar materials is quantitatively measured by infrared thermography. The target materials are common engineering materials such as carbon steel, stainless steel and aluminum alloy. It has been shown in the previous papers that there exists a significant directional effect in thermal contact coefficients when the mating surface is composed of different materials. That is, thermal contact coefficient has a larger value when the heat flows from the material with lower thermal conductivity to the one with higher thermal conductivity. The effects of contact pressure and surface roughness on the coefficient are also evaluated in this work. Using the measured data, an empirical equation to estimate thermal contact coefficient is proposed, for the purpose of engineering applications, which correlates closely with the experimental data.

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Fukuoka, T., and Xu, Q., 1999, “Evaluations of Thermal Contact Resistance in an Atmospheric Environment,” ASME PVP Conference (Boston, MA), 382, pp. 145–151.
Fukuoka, T., 2005, “Finite Element Analysis of the Thermal and Mechanical Behaviors of a Bolted Joint,” ASME J. Pressure Vessel Technol., 127(4), pp. 402–407. [CrossRef]
Fukuoka, T., Nomura, M., and Shino, K., 2009, “Analysis of Heat Flow Around Bolted Joints and Variations of Axial Bolt Force,” ASME J. Pressure Vessel Technol., 131(4), p. 061203. [CrossRef]
Fukuoka, T., and Xu, Q., 2002, “Finite Element Simulation of the Tightening Process of Bolted Joint With a Bolt Heater,” ASME J. Pressure Vessel Technol., 124(4), pp. 457–464. [CrossRef]
Clausing, A. M., 1966, “Heat Transfer at the Interface of Dissimilar Metals—The Influence of Thermal Strain,” Int. J. Heat Mass Transfer, 9, pp. 791–801. [CrossRef]
Brazelay, M. E., Tong, K. N., and Holloway, G. F., 1965, “Effect of Pressure and Thermal Conductance of Contact Joints,” Paper No. NACA TN-3295.
Rogers, G. F. C., 1961, “Heat Transfer at the Interface of Dissimilar Metals,” Int. J. Heat Mass Transfer, 2, pp. 150–154. [CrossRef]
Fujishiro, H., Okamoto, T., Ikebe, M., and Kawai, K., 1999, “Quantitative Estimation of Thermal Contact Resistance Between the Different Materials,” Meetings of Cryogenics and Superconductivity, Vol. 61, pp. 75–75.


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Fig. 1

Heat flow around the interface of dissimilar materials

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Fig. 8

Effect of surface roughness on thermal contact coefficient

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Fig. 7

Comparison of thermal contact coefficients for various combinations of dissimilar materials

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Fig. 6

Thermal contact coefficients for the combinations of S45C and A2024, SUS304, and A2024

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Fig. 5

Thermal contact coefficient at the interface between S45C and SUS304

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Fig. 9

Comparison of calculated results by empirical equations with experimental ones

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Fig. 4

Variations of thermal contact coefficient and heat flux with time

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Fig. 3

Temperature distributions around the interface between S45C and SUS304

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Fig. 2

Experimental setup for measuring thermal contact coefficient




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