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Study on the Fibre Reinforced Epoxy-based Intumescent Coating Formulations and the Char Characteristics

The paper presented the works on the effects of fibre reinforcement to the char characteristics of epoxy-based intumescent coating formulations. Reinforcing fibres such as glass fibre and carbon fibre that were manually cut to 10mm in length and chopped fibre strands 3mm length into formulations dev...

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Main Authors: Amir, Norlaili, Ahmad, Faiz, Megatt-Yusoff, P.S.M.
Format: Conference or Workshop Item
Published: 2008
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://eprints.utp.edu.my/5898/
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spelling my.utp.eprints.58982012-10-05T01:20:03Z Study on the Fibre Reinforced Epoxy-based Intumescent Coating Formulations and the Char Characteristics Amir, Norlaili Ahmad, Faiz Megatt-Yusoff, P.S.M. TJ Mechanical engineering and machinery The paper presented the works on the effects of fibre reinforcement to the char characteristics of epoxy-based intumescent coating formulations. Reinforcing fibres such as glass fibre and carbon fibre that were manually cut to 10mm in length and chopped fibre strands 3mm length into formulations developed using commercial phosphate-based materials i.e. ammonium polyphosphate (APP), pentaerythritol (PER) and melamine (MEL) as the main ingredients. Five formulations; control (without fibre), glass fibre reinforced, carbon fibre reinforced, hybrid fibre (glass and carbon fibres) reinforced and chopped fibre reinforced were prepared. Powder formulations were grinded using Rocklabs grinder and epoxy-mixed using Caframo mixer, where the maximum speed used was 150rpm and later hand-applied onto primer coated carbon steel substrates at room temperature. Natural drying time at room temperature for the coatings to fully dry was determined. Thermogravimetric analysis (TGA) was conducted on epoxy, hardener and the mix. Char formation and physical properties were investigated after the samples were exposed to high temperature fire tests up to 400ºC and 800ºC, respectively using electric furnace, Carbolite. Char height, weight, crispness, cell structure were examined and compared. Scanning electron microscopy (SEM) characterizations were also conducted to inspect fibre distribution and condition in the coatings as well as in the char. The results show the effect of different types, fibre length and epoxy to hardener ratio in promoting improved char cell structure, height and strength. 2008-06 Conference or Workshop Item PeerReviewed Amir, Norlaili and Ahmad, Faiz and Megatt-Yusoff, P.S.M. (2008) Study on the Fibre Reinforced Epoxy-based Intumescent Coating Formulations and the Char Characteristics. In: ICPER2010, 15-17 June 2010, Kuala Lumpur Convention Centre. http://eprints.utp.edu.my/5898/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Amir, Norlaili
Ahmad, Faiz
Megatt-Yusoff, P.S.M.
Study on the Fibre Reinforced Epoxy-based Intumescent Coating Formulations and the Char Characteristics
description The paper presented the works on the effects of fibre reinforcement to the char characteristics of epoxy-based intumescent coating formulations. Reinforcing fibres such as glass fibre and carbon fibre that were manually cut to 10mm in length and chopped fibre strands 3mm length into formulations developed using commercial phosphate-based materials i.e. ammonium polyphosphate (APP), pentaerythritol (PER) and melamine (MEL) as the main ingredients. Five formulations; control (without fibre), glass fibre reinforced, carbon fibre reinforced, hybrid fibre (glass and carbon fibres) reinforced and chopped fibre reinforced were prepared. Powder formulations were grinded using Rocklabs grinder and epoxy-mixed using Caframo mixer, where the maximum speed used was 150rpm and later hand-applied onto primer coated carbon steel substrates at room temperature. Natural drying time at room temperature for the coatings to fully dry was determined. Thermogravimetric analysis (TGA) was conducted on epoxy, hardener and the mix. Char formation and physical properties were investigated after the samples were exposed to high temperature fire tests up to 400ºC and 800ºC, respectively using electric furnace, Carbolite. Char height, weight, crispness, cell structure were examined and compared. Scanning electron microscopy (SEM) characterizations were also conducted to inspect fibre distribution and condition in the coatings as well as in the char. The results show the effect of different types, fibre length and epoxy to hardener ratio in promoting improved char cell structure, height and strength.
format Conference or Workshop Item
author Amir, Norlaili
Ahmad, Faiz
Megatt-Yusoff, P.S.M.
author_facet Amir, Norlaili
Ahmad, Faiz
Megatt-Yusoff, P.S.M.
author_sort Amir, Norlaili
title Study on the Fibre Reinforced Epoxy-based Intumescent Coating Formulations and the Char Characteristics
title_short Study on the Fibre Reinforced Epoxy-based Intumescent Coating Formulations and the Char Characteristics
title_full Study on the Fibre Reinforced Epoxy-based Intumescent Coating Formulations and the Char Characteristics
title_fullStr Study on the Fibre Reinforced Epoxy-based Intumescent Coating Formulations and the Char Characteristics
title_full_unstemmed Study on the Fibre Reinforced Epoxy-based Intumescent Coating Formulations and the Char Characteristics
title_sort study on the fibre reinforced epoxy-based intumescent coating formulations and the char characteristics
publishDate 2008
url http://eprints.utp.edu.my/5898/
_version_ 1738655443060785152
score 13.211869

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