Metal powder absorptivity: Modeling and experiment
Abstract
Here, we present results of numerical modeling and direct calorimetric measurements of the powder absorptivity for a number of metals. The modeling results generally correlate well with experiment. We show that the powder absorptivity is determined, to a great extent, by the absorptivity of a flat surface at normal incidence. Our results allow the prediction of the powder absorptivity from normal flat-surface absorptivity measurements.
- Authors:
-
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Publication Date:
- Research Org.:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1342030
- Alternate Identifier(s):
- OSTI ID: 1286297
- Report Number(s):
- LLNL-JRNL-682544
Journal ID: ISSN 0003-6935; APOPAI
- Grant/Contract Number:
- AC52-07NA27344; 15-ERD-037
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Applied Optics
- Additional Journal Information:
- Journal Volume: 55; Journal Issue: 23; Journal ID: ISSN 0003-6935
- Publisher:
- Optical Society of America (OSA)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 42 ENGINEERING; inhomogeneous optical media; ray trajectories in inhomogeneous media; artificially engineered materials
Citation Formats
Boley, C. D., Mitchell, S. C., Rubenchik, A. M., and Wu, S. S. Q. Metal powder absorptivity: Modeling and experiment. United States: N. p., 2016.
Web. doi:10.1364/AO.55.006496.
Boley, C. D., Mitchell, S. C., Rubenchik, A. M., & Wu, S. S. Q. Metal powder absorptivity: Modeling and experiment. United States. https://doi.org/10.1364/AO.55.006496
Boley, C. D., Mitchell, S. C., Rubenchik, A. M., and Wu, S. S. Q. Wed .
"Metal powder absorptivity: Modeling and experiment". United States. https://doi.org/10.1364/AO.55.006496. https://www.osti.gov/servlets/purl/1342030.
@article{osti_1342030,
title = {Metal powder absorptivity: Modeling and experiment},
author = {Boley, C. D. and Mitchell, S. C. and Rubenchik, A. M. and Wu, S. S. Q.},
abstractNote = {Here, we present results of numerical modeling and direct calorimetric measurements of the powder absorptivity for a number of metals. The modeling results generally correlate well with experiment. We show that the powder absorptivity is determined, to a great extent, by the absorptivity of a flat surface at normal incidence. Our results allow the prediction of the powder absorptivity from normal flat-surface absorptivity measurements.},
doi = {10.1364/AO.55.006496},
journal = {Applied Optics},
number = 23,
volume = 55,
place = {United States},
year = {Wed Aug 10 00:00:00 EDT 2016},
month = {Wed Aug 10 00:00:00 EDT 2016}
}
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The Effect of Powder Characteristics on Build Quality of High-Purity Tungsten Produced via Laser Powder Bed Fusion (LPBF)
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