Studying the Effects of Degassing Treatment and Adding Coupling Agent on Flexural Properties of Milled Fiber/Epoxy Composites

  • سال انتشار: 1395
  • محل انتشار: پنجمین کنفرانس بین المللی کامپوزیت
  • کد COI اختصاصی: COMPOSIT05_039
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 338
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نویسندگان

S Karimi

PhD, Materials Science and Engineering Department, School of Engineering, Shiraz University, Shiraz, Iran

S.Y GOODARZI

MS, Mechanical Engineering Department, School of Engineering, Islamic Azad University of Shiraz, Shiraz, Iran

R Babaei Moghadam

PhD Student, Aerospace Engineering Department, School of Engineering, Shiraz University, Shiraz, Iran

S Javadpour

Professor, Materials Science and Engineering Department, School of Engineering, Shiraz University, Shiraz, Iran

چکیده

It the current work, different composite samples have been fabricated through mixing and stirring 1wt.% of milled E-glass, S-glass, and high strength carbon fibers with a commercial hot-cure epoxy resin. The effects of performing a medium pressure degassing treatment and integral blending of a silane coupling agent were evaluated based on the flexural properties of the samples. After conducting the three-point bend tests, the fractured surfaces were investigated by a Scanning Electron Microscope (SEM) to find the involved toughening mechanisms. According to the results, interface de-bonding, fiber pull-out, and fish-bone mechanisms were activated in numerous sites. Furthermore, the flexural properties of the silane-modified and degassed epoxy reinforced with the milled E-glass fiber were improved more than that of the other composite samples and the pure epoxy.

کلیدواژه ها

Coupling agent, Degassing treatment, Flexural properties, Milled fiber

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