Thermal diffusivity and thermal conductivity measurements on oxide scales.
- Author(s):
- Chapman, L A, Fry, A T, Roberts, S J
- Source:
- NPL Report DEPC-MPE 018, July 2005
- ISSN:
- 1744-0262
- ISBN:
- NPL Doc. Ref:
- PDB: 4012
- Document Type:
- NPL Report
- DOI:
Note: An asterisk after an author's name indicates a non-NPL author.
Abstract:
This report summarises the methods used to measure the thermal diffusivity of a material using the laser flash technique and demonstrates how the finite difference model TherMOL, developed at NPL, can be used to evaluate the thermal diffusivity and conductivity of homogeneous single layer materials and multi-layered materials using laser flash data. For the purposes of this report steam oxidised P92 has been used to illustrate how the TherMOL model can separate the thermal conductivities of a substrate and an oxide scale from standard laser flash data.
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