Enhancement of mechanical performance of steel/CFRP adhesively-bonded joints at elevated temperatures through carbon nanotube modification and curing

Yu Bai; Tien C. Nguyen; Chao Ding; Xiao Ling Zhao

Enhancement of mechanical performance of steel/CFRP adhesively-bonded joints at elevated temperatures through carbon nanotube modification and curing

Yu Bai, Tien C. Nguyen, Chao Ding, Xiao Ling Zhao

Research output: Unpublished conference presentation (presented paper, abstract, poster) › Conference presentation (not published in journal/proceeding/book) › Academic research › peer-review

1 Citation (Scopus)

Abstract

Carbon fibre reinforced polymer (CFRP) has been considered as a promising approach to strengthen existing steel structures; such an adhesively-bonded system however exhibits a significant loss of stiffness and strength in an elevated temperature range. Carbon nanotube (CNT) modification and curing at elevated temperature are examined in this paper, in order to enhance the mechanical performance in the elevated temperature range. Steel/CFRP adhesively-bonded joints were prepared into four scenarios - 1) with and 2) without CNT modified epoxy adhesive cured at room temperature (20°C) and 3) with and 4) without CNT modified epoxy adhesive cured at an elevated temperature (80°C), and then tested in tension at temperatures from 20°C to 80°C. Enhancement of stiffness and strength in the elevated temperature range was not significant for the joints using CNT modified epoxy, while remarkable enhancement was found for the joints cured at the elevated temperature, comparing to those cured at room temperature.

Original language	English
Publication status	Published - 1 Jan 2012
Externally published	Yes
Event	3rd Asia-Pacific Conference on FRP in Structures, APFIS 2012 - Sapporo, Japan Duration: 2 Feb 2012 → 4 Feb 2012

Conference

Conference	3rd Asia-Pacific Conference on FRP in Structures, APFIS 2012
Country/Territory	Japan
City	Sapporo
Period	2/02/12 → 4/02/12

Keywords

Carbon nanotube
CFRP
Curing
Double Strap Joint
Steel
Temperature Effect

ASJC Scopus subject areas

Civil and Structural Engineering
General Materials Science

Cite this

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title = "Enhancement of mechanical performance of steel/CFRP adhesively-bonded joints at elevated temperatures through carbon nanotube modification and curing",

abstract = "Carbon fibre reinforced polymer (CFRP) has been considered as a promising approach to strengthen existing steel structures; such an adhesively-bonded system however exhibits a significant loss of stiffness and strength in an elevated temperature range. Carbon nanotube (CNT) modification and curing at elevated temperature are examined in this paper, in order to enhance the mechanical performance in the elevated temperature range. Steel/CFRP adhesively-bonded joints were prepared into four scenarios - 1) with and 2) without CNT modified epoxy adhesive cured at room temperature (20°C) and 3) with and 4) without CNT modified epoxy adhesive cured at an elevated temperature (80°C), and then tested in tension at temperatures from 20°C to 80°C. Enhancement of stiffness and strength in the elevated temperature range was not significant for the joints using CNT modified epoxy, while remarkable enhancement was found for the joints cured at the elevated temperature, comparing to those cured at room temperature.",

keywords = "Carbon nanotube, CFRP, Curing, Double Strap Joint, Steel, Temperature Effect",

author = "Yu Bai and Nguyen, {Tien C.} and Chao Ding and Zhao, {Xiao Ling}",

note = "Funding Information: The authors wish to acknowledge the financial support provided by the Australian Research Council through the ARC Discovery Scheme and Monash University through NSMRF scheme and Engineering Small Grants scheme. The third author would like to thank the financial support from Monash Summer Research Program. Thanks are given to Amroy Europe Oy, Finland for the supply of epoxy materials. Thanks are also given to Mr. Long Goh and Mr. Kevin Nievaart for their assistance during experiments. Publisher Copyright: {\textcopyright} APFIS 2012.All rights reserved.; 3rd Asia-Pacific Conference on FRP in Structures, APFIS 2012 ; Conference date: 02-02-2012 Through 04-02-2012",

year = "2012",

month = jan,

day = "1",

language = "English",

}

Enhancement of mechanical performance of steel/CFRP adhesively-bonded joints at elevated temperatures through carbon nanotube modification and curing. / Bai, Yu; Nguyen, Tien C.; Ding, Chao et al.
2012. Paper presented at 3rd Asia-Pacific Conference on FRP in Structures, APFIS 2012, Sapporo, Japan.

Research output: Unpublished conference presentation (presented paper, abstract, poster) › Conference presentation (not published in journal/proceeding/book) › Academic research › peer-review

TY - CONF

T1 - Enhancement of mechanical performance of steel/CFRP adhesively-bonded joints at elevated temperatures through carbon nanotube modification and curing

AU - Bai, Yu

AU - Nguyen, Tien C.

AU - Ding, Chao

AU - Zhao, Xiao Ling

N1 - Funding Information: The authors wish to acknowledge the financial support provided by the Australian Research Council through the ARC Discovery Scheme and Monash University through NSMRF scheme and Engineering Small Grants scheme. The third author would like to thank the financial support from Monash Summer Research Program. Thanks are given to Amroy Europe Oy, Finland for the supply of epoxy materials. Thanks are also given to Mr. Long Goh and Mr. Kevin Nievaart for their assistance during experiments. Publisher Copyright: © APFIS 2012.All rights reserved.

PY - 2012/1/1

Y1 - 2012/1/1

N2 - Carbon fibre reinforced polymer (CFRP) has been considered as a promising approach to strengthen existing steel structures; such an adhesively-bonded system however exhibits a significant loss of stiffness and strength in an elevated temperature range. Carbon nanotube (CNT) modification and curing at elevated temperature are examined in this paper, in order to enhance the mechanical performance in the elevated temperature range. Steel/CFRP adhesively-bonded joints were prepared into four scenarios - 1) with and 2) without CNT modified epoxy adhesive cured at room temperature (20°C) and 3) with and 4) without CNT modified epoxy adhesive cured at an elevated temperature (80°C), and then tested in tension at temperatures from 20°C to 80°C. Enhancement of stiffness and strength in the elevated temperature range was not significant for the joints using CNT modified epoxy, while remarkable enhancement was found for the joints cured at the elevated temperature, comparing to those cured at room temperature.

AB - Carbon fibre reinforced polymer (CFRP) has been considered as a promising approach to strengthen existing steel structures; such an adhesively-bonded system however exhibits a significant loss of stiffness and strength in an elevated temperature range. Carbon nanotube (CNT) modification and curing at elevated temperature are examined in this paper, in order to enhance the mechanical performance in the elevated temperature range. Steel/CFRP adhesively-bonded joints were prepared into four scenarios - 1) with and 2) without CNT modified epoxy adhesive cured at room temperature (20°C) and 3) with and 4) without CNT modified epoxy adhesive cured at an elevated temperature (80°C), and then tested in tension at temperatures from 20°C to 80°C. Enhancement of stiffness and strength in the elevated temperature range was not significant for the joints using CNT modified epoxy, while remarkable enhancement was found for the joints cured at the elevated temperature, comparing to those cured at room temperature.

KW - Carbon nanotube

KW - CFRP

KW - Curing

KW - Double Strap Joint

KW - Steel

KW - Temperature Effect

UR - http://www.scopus.com/inward/record.url?scp=85088053924&partnerID=8YFLogxK

M3 - Conference presentation (not published in journal/proceeding/book)

AN - SCOPUS:85088053924

T2 - 3rd Asia-Pacific Conference on FRP in Structures, APFIS 2012

Y2 - 2 February 2012 through 4 February 2012

ER -

Enhancement of mechanical performance of steel/CFRP adhesively-bonded joints at elevated temperatures through carbon nanotube modification and curing

Abstract

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Keywords

ASJC Scopus subject areas

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