A laser source is used to heat the top layer of a 316 L test specimen. Can we use the following equation to calculate the surface temperature response?

T (t) = T0 + Q / [e. ( π .t)^1/2]

where Q ( J ) is the energy absorbed by the surface of the test pieces, T0 ( 0C) is the initial

temperature, t ( s ) rate of heat propagation, e is the material’s effusivity.

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