Currently, fabrication of composite materials is of great interest in industry. By combining materials of different properties, we can produce new composite materials with synergetic functionality that individual materials do not possess. In this study, nanosized particles were coated on fiber substrates using a dry mechanical coating technique employing high shear and compression forces. The materials thus synthesized had high surface area with good dispersion for enhanced reactivity and were strong to sustain rigorous operation. Operating parameters, including rotor speed, processing time and initial loading percentage were varied to study their effects on the coating condition. The experimental results showed that the product surface area increased as the nanoparticle loading increased. The dispersion of nanoparticles improved as the processing time increased. A higher rotor speed resulted in a shorter product length while the nanoparticle loading had no effect on the product length. The durability test, conducted in a fluidized bed, indicated no significant change of the coating layer after 7 days of continuous testing.
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e-mail: cywu@ufl.edu
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April 2003
Technical Papers
Surface Enhancement of Fiber With Nanosized Particles Using A Dry Mechanical Coating Process
Nowarat Coowanitwong,
Nowarat Coowanitwong
University of Florida, Dept. Environmental Engineering Sciences, Gainesville, FL 32611
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Chang-Yu Wu,
e-mail: cywu@ufl.edu
Chang-Yu Wu
University of Florida, Dept. Environmental Engineering Sciences, Gainesville, FL 32611
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Judy Nguyen,
Judy Nguyen
University of Florida, Department of Chemical Engineering, Gainesville, FL 32611
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Mei Cai,
Mei Cai
General Motors, Research & Development Center, Warren, MI 48090
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Martin Ruthkosky,
Martin Ruthkosky
General Motors, Research & Development Center, Warren, MI 48090
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Jerry Rogers,
Jerry Rogers
General Motors, Research & Development Center, Warren, MI 48090
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Lee Feng,
Lee Feng
General Motors, Research & Development Center, Warren, MI 48090
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Satoru Watano,
Satoru Watano
Osaka Prefecture University, Department of Chemical Engineering, Osaka, 599, Japan
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Taizo Yoshida
Taizo Yoshida
Tokuju Corporation, Kanagawa, 254, Japan
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Nowarat Coowanitwong
University of Florida, Dept. Environmental Engineering Sciences, Gainesville, FL 32611
Chang-Yu Wu
University of Florida, Dept. Environmental Engineering Sciences, Gainesville, FL 32611
e-mail: cywu@ufl.edu
Judy Nguyen
University of Florida, Department of Chemical Engineering, Gainesville, FL 32611
Mei Cai
General Motors, Research & Development Center, Warren, MI 48090
Martin Ruthkosky
General Motors, Research & Development Center, Warren, MI 48090
Jerry Rogers
General Motors, Research & Development Center, Warren, MI 48090
Lee Feng
General Motors, Research & Development Center, Warren, MI 48090
Satoru Watano
Osaka Prefecture University, Department of Chemical Engineering, Osaka, 599, Japan
Taizo Yoshida
Tokuju Corporation, Kanagawa, 254, Japan
Contributed by the Materials Division for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received by the Materials Division March 18, 2002; revision received November 22, 2002. Associate Editor: S. Mall.
J. Eng. Mater. Technol. Apr 2003, 125(2): 163-169 (7 pages)
Published Online: April 4, 2003
Article history
Received:
March 18, 2002
Revised:
November 22, 2002
Online:
April 4, 2003
Citation
Coowanitwong , N., Wu, C., Nguyen, J., Cai , M., Ruthkosky , M., Rogers , J., Feng, L., Watano, S., and Yoshida, T. (April 4, 2003). "Surface Enhancement of Fiber With Nanosized Particles Using A Dry Mechanical Coating Process ." ASME. J. Eng. Mater. Technol. April 2003; 125(2): 163–169. https://doi.org/10.1115/1.1555655
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