Steel Heat Treating Technologies
Nanofluids as Quenchants in Industrial Heat Treatment
Nanofluids offer a completely different behavior of wetting kinetics and heat-removal characteristics, which are exploited in industrial heat treatment for quenching. This article provides information on the important thermophysical properties of nanofluids, namely, thermal conductivity, viscosity, specific heat, density, and surface tension. It reviews wetting and boiling heat-transfer characteristics of nanofluids as quenchants and highlights the importance of using nanofluids as effective quench media for the hardening process during heat treatment. The article describes the effect of nanoparticle addition on the microstructure, mechanical properties of components, wetting kinetics, and kinematics.
K. Narayan Prabhu, G. Ramesh, Nanofluids as Quenchants in Industrial Heat Treatment, Steel Heat Treating Technologies, Vol 4B, ASM Handbook, Edited By Jon L. Dossett, George E. Totten, ASM International, 2014, p 324–336, https://doi.org/10.31399/asm.hb.v04b.a0005933
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