Practical Approaches of Inducing Controlled Simulated Resin Starvation Areas into Vacuum Infusion Processed Sandwich Composites Used for Characterisation of the Surface Defects and their Outcomes

Abstract Manufacturing defects in the sandwich structures have significant impact on their ultimate strength performance. It is essential to codify some criteria for the effects of such defects on the performance of the structure in order to investigate the quality of sandwich compo-sites and their...

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Main Authors: Ali Dehghanian, Mohammad Reza Khedmati, Hassan Ghassemi
Format: Article
Language:English
Published: Marcílio Alves
Series:Latin American Journal of Solids and Structures
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252017000601170&lng=en&tlng=en
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author Ali Dehghanian
Mohammad Reza Khedmati
Hassan Ghassemi
author_facet Ali Dehghanian
Mohammad Reza Khedmati
Hassan Ghassemi
author_sort Ali Dehghanian
collection DOAJ
description Abstract Manufacturing defects in the sandwich structures have significant impact on their ultimate strength performance. It is essential to codify some criteria for the effects of such defects on the performance of the structure in order to investigate the quality of sandwich compo-sites and their load-bearing capabilities. By means of such criteria, one can predict the property degradation of the defected structure in comparison to a defect-free one, and assess whether the faulty part could be remained in the structures. Among all the potential defects in a sandwich structure they could be induced during the Vacuum Infusion Process (VIP), the dry area defect is the most significant and frequently occurring one. Hence, adequate tests should be conducted in order to examine the effect of dry area defect on the structure. For this purpose, a methodology is required for preparing the defected samples similar to the main structure. The current study is aimed at suggesting two accurate approaches to induce artificial defects in sandwich structures manufactured implementing the vacuum infusion process. These methods are used for making some defected samples and their responses are compared with those of the defect-free structures. All samples are subjected to the uniform inplane compression loading and their behaviors up to the fracture point are evaluated to assess the remaining strength. Infusion process.
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spelling doaj.art-34e4a1c9096640beadb19bc9f4b43c8a2022-12-22T01:15:15ZengMarcílio AlvesLatin American Journal of Solids and Structures1679-78251461170118210.1590/1679-78253803S1679-78252017000601170Practical Approaches of Inducing Controlled Simulated Resin Starvation Areas into Vacuum Infusion Processed Sandwich Composites Used for Characterisation of the Surface Defects and their OutcomesAli DehghanianMohammad Reza KhedmatiHassan GhassemiAbstract Manufacturing defects in the sandwich structures have significant impact on their ultimate strength performance. It is essential to codify some criteria for the effects of such defects on the performance of the structure in order to investigate the quality of sandwich compo-sites and their load-bearing capabilities. By means of such criteria, one can predict the property degradation of the defected structure in comparison to a defect-free one, and assess whether the faulty part could be remained in the structures. Among all the potential defects in a sandwich structure they could be induced during the Vacuum Infusion Process (VIP), the dry area defect is the most significant and frequently occurring one. Hence, adequate tests should be conducted in order to examine the effect of dry area defect on the structure. For this purpose, a methodology is required for preparing the defected samples similar to the main structure. The current study is aimed at suggesting two accurate approaches to induce artificial defects in sandwich structures manufactured implementing the vacuum infusion process. These methods are used for making some defected samples and their responses are compared with those of the defect-free structures. All samples are subjected to the uniform inplane compression loading and their behaviors up to the fracture point are evaluated to assess the remaining strength. Infusion process.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252017000601170&lng=en&tlng=endry area defectsandwich compositevacuum infusion process (VIP)in-plane compression
spellingShingle Ali Dehghanian
Mohammad Reza Khedmati
Hassan Ghassemi
Practical Approaches of Inducing Controlled Simulated Resin Starvation Areas into Vacuum Infusion Processed Sandwich Composites Used for Characterisation of the Surface Defects and their Outcomes
Latin American Journal of Solids and Structures
dry area defect
sandwich composite
vacuum infusion process (VIP)
in-plane compression
title Practical Approaches of Inducing Controlled Simulated Resin Starvation Areas into Vacuum Infusion Processed Sandwich Composites Used for Characterisation of the Surface Defects and their Outcomes
title_full Practical Approaches of Inducing Controlled Simulated Resin Starvation Areas into Vacuum Infusion Processed Sandwich Composites Used for Characterisation of the Surface Defects and their Outcomes
title_fullStr Practical Approaches of Inducing Controlled Simulated Resin Starvation Areas into Vacuum Infusion Processed Sandwich Composites Used for Characterisation of the Surface Defects and their Outcomes
title_full_unstemmed Practical Approaches of Inducing Controlled Simulated Resin Starvation Areas into Vacuum Infusion Processed Sandwich Composites Used for Characterisation of the Surface Defects and their Outcomes
title_short Practical Approaches of Inducing Controlled Simulated Resin Starvation Areas into Vacuum Infusion Processed Sandwich Composites Used for Characterisation of the Surface Defects and their Outcomes
title_sort practical approaches of inducing controlled simulated resin starvation areas into vacuum infusion processed sandwich composites used for characterisation of the surface defects and their outcomes
topic dry area defect
sandwich composite
vacuum infusion process (VIP)
in-plane compression
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252017000601170&lng=en&tlng=en
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AT mohammadrezakhedmati practicalapproachesofinducingcontrolledsimulatedresinstarvationareasintovacuuminfusionprocessedsandwichcompositesusedforcharacterisationofthesurfacedefectsandtheiroutcomes
AT hassanghassemi practicalapproachesofinducingcontrolledsimulatedresinstarvationareasintovacuuminfusionprocessedsandwichcompositesusedforcharacterisationofthesurfacedefectsandtheiroutcomes