Predicting the Reliability of Ceramics Under Transient Loads and Temperatures with CARES/Life

Noel N. Nemeth; Osama M. Jadaan; Tamos Palfi; Eric H. Baker

doi:10.1520/JAI11578

Predicting the Reliability of Ceramics Under Transient Loads and Temperatures with CARES/Life

Noel N. Nemeth
, Osama M. Jadaan
, Tamos Palfi
, Eric H. Baker

Producción científica: Review article › revisión exhaustiva

Resumen

A methodology is shown for predicting the time-dependent reliability of ceramic components against catastrophic rupture when subjected to transient thermomechanical loads (including cyclic loads). The methodology takes into account the changes in material response that can occur with temperature or time (i.e., changing fatigue and Weibull parameters with temperature or time). This capability has been added to the NASA CARES/Life (Ceramic Analysis and Reliability Evaluation of Structures/Life) code. The code has been modified to have the ability to interface with commercially available finite element analysis (FEA) codes executed for transient load histories. Examples are provided to demonstrate the features of the methodology as implemented in the CARES/Life program.

Idioma original	English
Páginas (desde-hasta)	128-149
Número de páginas	22
Publicación	ASTM Special Technical Publication
Volumen	1
N.º	1450
DOI	https://doi.org/10.1520/JAI11578 https://doi.org/10.1520/stp11284s
Estado	Published - 2004
Publicado de forma externa	Sí

ASJC Scopus Subject Areas

General Engineering

Disciplines

Materials Science and Engineering
Other Operations Research, Systems Engineering and Industrial Engineering
Structural Engineering

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10.1520/JAI11578Licencia: Unspecified
10.1520/stp11284s

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title = "Predicting the Reliability of Ceramics Under Transient Loads and Temperatures with CARES/Life",

abstract = "A methodology is shown for predicting the time-dependent reliability of ceramic components against catastrophic rupture when subjected to transient thermomechanical loads (including cyclic loads). The methodology takes into account the changes in material response that can occur with temperature or time (i.e., changing fatigue and Weibull parameters with temperature or time). This capability has been added to the NASA CARES/Life (Ceramic Analysis and Reliability Evaluation of Structures/Life) code. The code has been modified to have the ability to interface with commercially available finite element analysis (FEA) codes executed for transient load histories. Examples are provided to demonstrate the features of the methodology as implemented in the CARES/Life program.",

keywords = "CARES, Ceramics, Cyclic, Failure, Fatigue, Reliability, Transient, Weibull",

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note = "A methodology is shown for predicting the time-dependent reliability of ceramic components against catastrophic rupture when subjected to transient thermomechanical loads (including cyclic loads). The methodology takes into account the changes in material response that can occur with temperature or time (i.e., changing fatigue and Weibull parameters with temperature or time).",

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AU - Baker, Eric H.

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N2 - A methodology is shown for predicting the time-dependent reliability of ceramic components against catastrophic rupture when subjected to transient thermomechanical loads (including cyclic loads). The methodology takes into account the changes in material response that can occur with temperature or time (i.e., changing fatigue and Weibull parameters with temperature or time). This capability has been added to the NASA CARES/Life (Ceramic Analysis and Reliability Evaluation of Structures/Life) code. The code has been modified to have the ability to interface with commercially available finite element analysis (FEA) codes executed for transient load histories. Examples are provided to demonstrate the features of the methodology as implemented in the CARES/Life program.

AB - A methodology is shown for predicting the time-dependent reliability of ceramic components against catastrophic rupture when subjected to transient thermomechanical loads (including cyclic loads). The methodology takes into account the changes in material response that can occur with temperature or time (i.e., changing fatigue and Weibull parameters with temperature or time). This capability has been added to the NASA CARES/Life (Ceramic Analysis and Reliability Evaluation of Structures/Life) code. The code has been modified to have the ability to interface with commercially available finite element analysis (FEA) codes executed for transient load histories. Examples are provided to demonstrate the features of the methodology as implemented in the CARES/Life program.

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