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Document Summary
Title:
Simulation and Experiment of Thermal Fatigue in the CPV Die Attach: Preprint.
Author:
Bosco, N.; Silverman, T.; Kurtz, S.
Pages/Volumes:
7 pp.
Publication Year:
2012
Notes:
Presented at the 8th International Conference on Concentrating PV Systems (CPV-8), 16-18 April 2012, Toledo, Spain
Document Type:
Conference Paper
NTIS/GPO Number:
1040931
Subject Code Description:
Solar Energy - Photovoltaics
Abstract:
FEM simulation and accelerated thermal cycling have been performed for the CPV die attach. Trends in fatigue damage accumulation and equivalent test time are explored and found to be most sensitive to temperature ramp rate. Die attach crack growth is measured through cycling and found to be in excellent agreement with simulations of the inelastic strain energy accumulated. Simulations of an entire year of weather data provides for the relative ranking of fatigue damage between four cites as well as their equivalent accelerated test time.
Accession Number:
54915
Library Notes:
NPL-1204 REV
Report Numbers:
CP-5200-54915
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