DocumentCode
732522
Title
Direct calorimetric measurement of powder absorptivity
Author
Rubenchik, Alexander ; Wu, Sheldon ; LeBlanc, Mary ; Mitchell, Scott ; Peterson, Noel ; Golosker, Ilya
Author_Institution
Lawrence Livermore Nat. Lab., Livermore, CA, USA
fYear
2015
fDate
10-15 May 2015
Firstpage
1
Lastpage
2
Abstract
We present a method for direct calorimetric measurement of powder absorptivity using a thin laser illuminated disc. Powder porosity is measured independently and a scheme eliminating the effect of convective and radiative losses is implemented.
Keywords
calorimetry; convection; heat losses; heat radiation; laser materials processing; porosity; powders; convective losses; direct calorimetric measurement; powder absorptivity; powder porosity; radiative losses; thin laser illuminated disc; Atmospheric measurements; Blades; Heating; Loss measurement; Metals; Powders; Temperature measurement;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location
San Jose, CA
Type
conf
Filename
7182954
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