The errors in determining the thermal characteristics of porous structural materials by the laser pulse method

Abstract

The errors in determining the thermal characteristics of a typical composite heterogeneous material - sintered aluminum powder, are analyzed. The errors are due to radiation energy transfer in the heated layer of the material when the laser pulse method is employed, due to the action on the surface of the composite of a collimated laser pulse of finite length. The effect of the porosity of the material and the radiation absorption process on this error is established.

Original language	English
Article number	A012
Pages (from-to)	49-52
Number of pages	4
Journal	Measurement Techniques
Volume	58
Issue number	2
DOIs	https://doi.org/10.1007/sll018-015-0683-5
Publication status	Published - 1 May 2015

Keywords

Laser pulse method
Porosity
Radiation absorption coefficient
Sintered aluminum
Thermal diffusivity

ASJC Scopus subject areas

Applied Mathematics
Instrumentation

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10.1007/sll018-015-0683-5

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title = "The errors in determining the thermal characteristics of porous structural materials by the laser pulse method",

abstract = "The errors in determining the thermal characteristics of a typical composite heterogeneous material - sintered aluminum powder, are analyzed. The errors are due to radiation energy transfer in the heated layer of the material when the laser pulse method is employed, due to the action on the surface of the composite of a collimated laser pulse of finite length. The effect of the porosity of the material and the radiation absorption process on this error is established.",

keywords = "Laser pulse method, Porosity, Radiation absorption coefficient, Sintered aluminum, Thermal diffusivity",

author = "Kats, {M. D.} and Kats, {I. M.}",

year = "2015",

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doi = "10.1007/sll018-015-0683-5",

language = "English",

volume = "58",

pages = "49--52",

journal = "Measurement Techniques",

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AU - Kats, M. D.

AU - Kats, I. M.

PY - 2015/5/1

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N2 - The errors in determining the thermal characteristics of a typical composite heterogeneous material - sintered aluminum powder, are analyzed. The errors are due to radiation energy transfer in the heated layer of the material when the laser pulse method is employed, due to the action on the surface of the composite of a collimated laser pulse of finite length. The effect of the porosity of the material and the radiation absorption process on this error is established.

AB - The errors in determining the thermal characteristics of a typical composite heterogeneous material - sintered aluminum powder, are analyzed. The errors are due to radiation energy transfer in the heated layer of the material when the laser pulse method is employed, due to the action on the surface of the composite of a collimated laser pulse of finite length. The effect of the porosity of the material and the radiation absorption process on this error is established.

KW - Laser pulse method

KW - Porosity

KW - Radiation absorption coefficient

KW - Sintered aluminum

KW - Thermal diffusivity

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