Evaluation of aging behavior under salt-fog spray conditions of green sandwich structures

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2 Citazioni (Scopus)

Abstract

In this paper, the aging resistance of sandwich structures made with cork agglomerate as core and flax-reinforced polymeric laminates as face sheets was investigated for the first time. In order to evaluate their durability in a hostile environment, a sandwich plate was manufactured by vacuum bagging technique and aged under salt-fog spray conditions, according to ASTM B 117 standard. The evolution of the sandwich mechanical properties during the aging exposition was analyzed by carrying out quasi-static flexural tests and Charpy impact tests both on unaged specimens and on specimens aged for 10, 25, and 60 days, respectively. The quasi-static experimental results showed that despite the salt-fog exposition leads to clear decrements in both maximum strength and modulus, the deformation capability of the sandwich structure evidences a noticeable improvement. According to this last result, it was found that the impact strength of the sandwich specimens was clearly increased after the salt-fog exposition evidencing that the studied green sandwich maintains good toughness properties in a hostile environment such as marine.
Lingua originaleEnglish
pagine (da-a)977-986
Numero di pagine10
RivistaJournal of Natural Fibers
Volume16
Stato di pubblicazionePublished - 2019

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Sandwich structures
Fog
Salts
Aging of materials
Flax
Impact strength
Toughness
Laminates
Durability
Vacuum
Mechanical properties

All Science Journal Classification (ASJC) codes

  • Materials Science (miscellaneous)

Cita questo

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title = "Evaluation of aging behavior under salt-fog spray conditions of green sandwich structures",
abstract = "In this paper, the aging resistance of sandwich structures made with cork agglomerate as core and flax-reinforced polymeric laminates as face sheets was investigated for the first time. In order to evaluate their durability in a hostile environment, a sandwich plate was manufactured by vacuum bagging technique and aged under salt-fog spray conditions, according to ASTM B 117 standard. The evolution of the sandwich mechanical properties during the aging exposition was analyzed by carrying out quasi-static flexural tests and Charpy impact tests both on unaged specimens and on specimens aged for 10, 25, and 60{\^A} days, respectively. The quasi-static experimental results showed that despite the salt-fog exposition leads to clear decrements in both maximum strength and modulus, the deformation capability of the sandwich structure evidences a noticeable improvement. According to this last result, it was found that the impact strength of the sandwich specimens was clearly increased after the salt-fog exposition evidencing that the studied green sandwich maintains good toughness properties in a hostile environment such as marine.",
author = "Antonino Valenza and Tommaso Scalici and Vincenzo Fiore",
year = "2019",
language = "English",
volume = "16",
pages = "977--986",
journal = "Journal of Natural Fibers",
issn = "1544-0478",
publisher = "Taylor and Francis Ltd.",

}

TY - JOUR

T1 - Evaluation of aging behavior under salt-fog spray conditions of green sandwich structures

AU - Valenza, Antonino

AU - Scalici, Tommaso

AU - Fiore, Vincenzo

PY - 2019

Y1 - 2019

N2 - In this paper, the aging resistance of sandwich structures made with cork agglomerate as core and flax-reinforced polymeric laminates as face sheets was investigated for the first time. In order to evaluate their durability in a hostile environment, a sandwich plate was manufactured by vacuum bagging technique and aged under salt-fog spray conditions, according to ASTM B 117 standard. The evolution of the sandwich mechanical properties during the aging exposition was analyzed by carrying out quasi-static flexural tests and Charpy impact tests both on unaged specimens and on specimens aged for 10, 25, and 60 days, respectively. The quasi-static experimental results showed that despite the salt-fog exposition leads to clear decrements in both maximum strength and modulus, the deformation capability of the sandwich structure evidences a noticeable improvement. According to this last result, it was found that the impact strength of the sandwich specimens was clearly increased after the salt-fog exposition evidencing that the studied green sandwich maintains good toughness properties in a hostile environment such as marine.

AB - In this paper, the aging resistance of sandwich structures made with cork agglomerate as core and flax-reinforced polymeric laminates as face sheets was investigated for the first time. In order to evaluate their durability in a hostile environment, a sandwich plate was manufactured by vacuum bagging technique and aged under salt-fog spray conditions, according to ASTM B 117 standard. The evolution of the sandwich mechanical properties during the aging exposition was analyzed by carrying out quasi-static flexural tests and Charpy impact tests both on unaged specimens and on specimens aged for 10, 25, and 60 days, respectively. The quasi-static experimental results showed that despite the salt-fog exposition leads to clear decrements in both maximum strength and modulus, the deformation capability of the sandwich structure evidences a noticeable improvement. According to this last result, it was found that the impact strength of the sandwich specimens was clearly increased after the salt-fog exposition evidencing that the studied green sandwich maintains good toughness properties in a hostile environment such as marine.

UR - http://hdl.handle.net/10447/279635

UR - http://www.tandfonline.com/toc/wjnf20/current

M3 - Article

VL - 16

SP - 977

EP - 986

JO - Journal of Natural Fibers

JF - Journal of Natural Fibers

SN - 1544-0478

ER -