Abstract
The thermal diffusivity of cemented carbides was measured by the laser flash method up to 1470 K. All materials tested were based on WC-Co hardmetals. The influence of cobalt content, temperature and grain size was studied. In addition the effect of the substitution of WC by TiC, TaC and NbC and the substitution of cobalt by nickel was investigated.
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References
W.J. Parker et al, “Flash Method of Determining Thermal Diffusivity, Heat Capacity and Thermal Conductivity”, J. Appl. Phys. 32, 1679 (1960)
W. Neumann, K. Wallisch, “Thermal Conductivity Determination of Graphite and High Temperature Alloys by the Laser-Flash-Method”, Measurement (1984) in press
O. Rüdiger, A. Winkelmann, “Thermal Conductivity of WC-Co hardmetals”, Techn. Mitt. Krupp 18, 19–24, (1960) (in German)
H.E. Exner, “Physical and Chemical Nature of Cemented Carbides”, Int. Metals Review 4, 149 (1979)
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© 1985 Purdue Research Foundation
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Neumann, W. (1985). Thermal Diffusivity of Cemented Carbides. In: Ashworth, T., Smith, D.R. (eds) Thermal Conductivity 18. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-4916-7_44
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DOI: https://doi.org/10.1007/978-1-4684-4916-7_44
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