MICROTENSILE TEST OF AN ORDERED-REINFORCED ELECTROPHORETIC POLYMER MATRIX COMPOSITE FABRICATED BY SURFACE MICROMACHINING

Zhuoqing Yang, Hong Wang (), Zhenjie Zhang, Guifu Ding and Xiaolin Zhao
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Zhuoqing Yang: National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
Hong Wang: National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
Zhenjie Zhang: National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
Guifu Ding: National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
Xiaolin Zhao: National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Shanghai Jiao Tong University, Shanghai 200240, P. R. China

Surface Review and Letters (SRL), 2011, vol. 18, issue 05, 169-175

Abstract: A novel ordered-reinforced microscale polymer matrix composite based on electrophoresis and surface micromachining technologies has been proposed in the present work. The braid angle, volume content and width of the reinforcement in the composite has been designed and simulated by ANSYS finite element software. Based on the simulation and optimization, theNifibers reinforced polymer matrix composite sample (3 mm length × 0.6 mm width × 0.04 mm thickness) was successfully fabricated utilizing the surface micromachining process. The fabricated samples were characterized by microtensile test on the dynamic mechanical analysis (DMA) equipment. It is indicated that the tested tensile strength and Young's modulus are 285 MPa and 6.8 GPa, respectively. In addition, the fracture section of the composite sample has been observed by scanning electron microscope (SEM) and the corresponding fracture process was also explained and analyzed in detail. The new presented composite is promising for hot embossing mold in microfluidic chip and several transducers used in accurately controlled biomedical systems.

Keywords: Microtensile; composite; surface micromachining; mechanical characterization (search for similar items in EconPapers)
Date: 2011
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DOI: 10.1142/S0218625X11014667

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