Structural Engineering and Mechanics

  • 제76권2호
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  • Pages.175-191
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  • 2020
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Study the effect of machining process and Nano Sio2 on GFRP mechanical performances

  • Afzali, Mohammad (Department of Mechanical Engineering, Sari Branch, Islamic Azad University) ;
  • Rostamiyan, Yasser (Department of Mechanical Engineering, Sari Branch, Islamic Azad University)
  • 투고 : 2019.05.17
  • 심사 : 2020.10.30
  • 발행 : 2020.10.25
⟨ 이전 논문 다음 논문 ⟩

초록

In this study, the effect of Nano silica (SiO2) on the buckling strength of the glass fiber reinforced laminates containing the machining process causes holes were investigated. The tests have been applied on two status milled and non-milled. To promote the mechanical behavior of the fiber-reinforced glass epoxy-based composites, Nano sio2 was added to the matrix to improve and gradation. Nano sio2 is chosen because of flexibility and high mechanical features; the effect of Nanoparticles on surface serenity has been studied. Thus the effect of Nanoparticles on crack growth and machining process and delamination caused by machining has been studied. We can also imply that many machining factors are essential: feed rate, thrust force, and spindle speed. Also, feed rate and spindle speed were studied in constant values, that the thrust forces were studied as the main factor caused residual stress. Moreover, entrance forces were measured by local calibrated load cells on machining devices. The results showed that the buckling load of milled laminates had been increased by about 50% with adding 2 wt% of silica in comparison with the neat damaged laminates while adding more contents caused adverse effects. Also, with a comparison of two milling tools, the cylindrical radius-end tool had less destructive effects on specimens.

키워드

참고문헌

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