The Transient Plane Source method (TPS) simultaneously measures thermal conductivity and thermal diffusivity. This paper investigates the possibilities of using sensors, to record the thermal effusivity of a substrate. With the original method, the thermal effusivity of uniaxial, homogeneous materials in the through-plane direction can be estimated. Tests were performed to analyze the differences in single-sided vs. double-sided testing. For 1-dimensional samples, where heat flow is controlled along the sample, ...
There are three types of reference materials used to verify numerous standard test methods: certified reference material (CRM), transfer standard (TS), and reference material (RM). A qualified reference material must be isotropic, and have reproducible consistency and stability over a wide range of temperatures. Metals and alloys are commonly used reference materials for solids, but they do not extend to lower temperature ranges unlike Pyroceram 9606, which is a popular alternative. ...
