Exponential Model for Damage Accumulation in Closed Cell Aluminum Foams

In this paper the authors propose a new damage accumulation model based on an exponential approach for aluminum closed cell foam under fully reversed cyclic loading. The model developed need as an input, the information about the fatigue behavior of the material and the definition of the failure cri...

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Autores principales:	Pinto,Hernán, Peña,Álvaro, Aravena,Ignacio
Lenguaje:	English
Publicado:	Escuela de Construcción Civil, Pontificia Universidad Católica de Chile 2015
Materias:	Metal foams Closed Cell Damage Accumulation Fatigue Behavior Weibull Model
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2015000200011
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spelling	oai:scielo:S0718-915X20150002000112015-09-03Exponential Model for Damage Accumulation in Closed Cell Aluminum FoamsPinto,HernánPeña,ÁlvaroAravena,Ignacio Metal foams Closed Cell Damage Accumulation Fatigue Behavior Weibull Model In this paper the authors propose a new damage accumulation model based on an exponential approach for aluminum closed cell foam under fully reversed cyclic loading. The model developed need as an input, the information about the fatigue behavior of the material and the definition of the failure criterion. In this research, the failure criterion considered is the proposed by Ingraham et al. (2009), and the model to analyze the fatigue behavior is the well-known statistical Weibull model because this model allow us to us directly the total strain amplitude instead of its plastic and elastic components to analyze the fatigue behavior of the material. The model proposed it is a very simple mathematical expression that will allow us to model the damage accumulation level only as a function of the total strain amplitude. Finally, the proposed model has been validated through a comparison of the experimental damage accumulation curves, generated with the previous experimental data published by Ingraham et al. (2009), and the curve generated by the proposed model. The results provide a very good fit between the proposed model and the experimental curves.info:eu-repo/semantics/openAccessEscuela de Construcción Civil, Pontificia Universidad Católica de ChileRevista de la construcción v.14 n.2 20152015-08-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2015000200011en10.4067/S0718-915X2015000200011
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Metal foams Closed Cell Damage Accumulation Fatigue Behavior Weibull Model
spellingShingle	Metal foams Closed Cell Damage Accumulation Fatigue Behavior Weibull Model Pinto,Hernán Peña,Álvaro Aravena,Ignacio Exponential Model for Damage Accumulation in Closed Cell Aluminum Foams
description	In this paper the authors propose a new damage accumulation model based on an exponential approach for aluminum closed cell foam under fully reversed cyclic loading. The model developed need as an input, the information about the fatigue behavior of the material and the definition of the failure criterion. In this research, the failure criterion considered is the proposed by Ingraham et al. (2009), and the model to analyze the fatigue behavior is the well-known statistical Weibull model because this model allow us to us directly the total strain amplitude instead of its plastic and elastic components to analyze the fatigue behavior of the material. The model proposed it is a very simple mathematical expression that will allow us to model the damage accumulation level only as a function of the total strain amplitude. Finally, the proposed model has been validated through a comparison of the experimental damage accumulation curves, generated with the previous experimental data published by Ingraham et al. (2009), and the curve generated by the proposed model. The results provide a very good fit between the proposed model and the experimental curves.
author	Pinto,Hernán Peña,Álvaro Aravena,Ignacio
author_facet	Pinto,Hernán Peña,Álvaro Aravena,Ignacio
author_sort	Pinto,Hernán
title	Exponential Model for Damage Accumulation in Closed Cell Aluminum Foams
title_short	Exponential Model for Damage Accumulation in Closed Cell Aluminum Foams
title_full	Exponential Model for Damage Accumulation in Closed Cell Aluminum Foams
title_fullStr	Exponential Model for Damage Accumulation in Closed Cell Aluminum Foams
title_full_unstemmed	Exponential Model for Damage Accumulation in Closed Cell Aluminum Foams
title_sort	exponential model for damage accumulation in closed cell aluminum foams
publisher	Escuela de Construcción Civil, Pontificia Universidad Católica de Chile
publishDate	2015
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2015000200011
work_keys_str_mv	AT pintohernan exponentialmodelfordamageaccumulationinclosedcellaluminumfoams AT penaalvaro exponentialmodelfordamageaccumulationinclosedcellaluminumfoams AT aravenaignacio exponentialmodelfordamageaccumulationinclosedcellaluminumfoams
_version_	1714206272772898816

Exponential Model for Damage Accumulation in Closed Cell Aluminum Foams

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