Investigation on effect of cold soaking on the properties of nanoclay-GFRP composite

U. Achutha Kini, Manjunath Shettar, Sathyashankara Sharma, Pavan Hiremath, M. C. Gowrishankar

Research output: Contribution to journalArticle

Abstract

In this study, nanocomposites are prepared by adding nanoclay as direct reinforcement (NCD) and nanoclay as filler material (NCF) to Glass Fiber Reinforced Polymer (GFRP). NCDs are prepared by direct casting technique and NCFs are prepared by hand lay-up technique. GFRP composites are prepared by varying nanoclay (0, 2 and 4 wt%) and glass fiber (40, 50 and 60 wt%). Specimens are immersed in water for 70 days to investigate the effect of cold soaking. Cold soaking has adverse influence on the tensile and flexural strengths of both NCD and NCF. Moisture uptake reduced with increase in weight percentage of nanoclay and glass fiber. Addition of 2 and 4 wt% of nanoclay reduces the maximum moisture uptake by 4 and 8% in NCF and 6 and 11% in NCD, respectively. Tensile and flexural strengths of cold soaked NCD decreased by 13.9 to 25% and 13.2 to 23.7% respectively. Tensile and flexural strengths of cold soaked NCF decreased by 8 to 20% and 10 to 15% respectively.

LanguageEnglish
Article number015206
JournalMaterials Research Express
Volume6
Issue number1
DOIs
Publication statusPublished - 01-01-2019

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Glass fibers
Polymers
Bending strength
Tensile strength
Composite materials
Moisture
Fillers
Nanocomposites
Reinforcement
Casting
fiberglass
Water

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Metals and Alloys

Cite this

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abstract = "In this study, nanocomposites are prepared by adding nanoclay as direct reinforcement (NCD) and nanoclay as filler material (NCF) to Glass Fiber Reinforced Polymer (GFRP). NCDs are prepared by direct casting technique and NCFs are prepared by hand lay-up technique. GFRP composites are prepared by varying nanoclay (0, 2 and 4 wt{\%}) and glass fiber (40, 50 and 60 wt{\%}). Specimens are immersed in water for 70 days to investigate the effect of cold soaking. Cold soaking has adverse influence on the tensile and flexural strengths of both NCD and NCF. Moisture uptake reduced with increase in weight percentage of nanoclay and glass fiber. Addition of 2 and 4 wt{\%} of nanoclay reduces the maximum moisture uptake by 4 and 8{\%} in NCF and 6 and 11{\%} in NCD, respectively. Tensile and flexural strengths of cold soaked NCD decreased by 13.9 to 25{\%} and 13.2 to 23.7{\%} respectively. Tensile and flexural strengths of cold soaked NCF decreased by 8 to 20{\%} and 10 to 15{\%} respectively.",
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Investigation on effect of cold soaking on the properties of nanoclay-GFRP composite. / Kini, U. Achutha; Shettar, Manjunath; Sharma, Sathyashankara; Hiremath, Pavan; Gowrishankar, M. C.

In: Materials Research Express, Vol. 6, No. 1, 015206, 01.01.2019.

Research output: Contribution to journalArticle

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AU - Kini, U. Achutha

AU - Shettar, Manjunath

AU - Sharma, Sathyashankara

AU - Hiremath, Pavan

AU - Gowrishankar, M. C.

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AB - In this study, nanocomposites are prepared by adding nanoclay as direct reinforcement (NCD) and nanoclay as filler material (NCF) to Glass Fiber Reinforced Polymer (GFRP). NCDs are prepared by direct casting technique and NCFs are prepared by hand lay-up technique. GFRP composites are prepared by varying nanoclay (0, 2 and 4 wt%) and glass fiber (40, 50 and 60 wt%). Specimens are immersed in water for 70 days to investigate the effect of cold soaking. Cold soaking has adverse influence on the tensile and flexural strengths of both NCD and NCF. Moisture uptake reduced with increase in weight percentage of nanoclay and glass fiber. Addition of 2 and 4 wt% of nanoclay reduces the maximum moisture uptake by 4 and 8% in NCF and 6 and 11% in NCD, respectively. Tensile and flexural strengths of cold soaked NCD decreased by 13.9 to 25% and 13.2 to 23.7% respectively. Tensile and flexural strengths of cold soaked NCF decreased by 8 to 20% and 10 to 15% respectively.

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