Composites and Nano Composites - مقدمه ای بر کامپوزیت ها (2)
New Technology , New Experience , New Life

مقدمه ای بر کامپوزیت ها (2)

نوشته شده توسط :Amin Nickkholgh
شنبه 3 اردیبهشت 1390-08:36 ق.ظ

الیاف شیشه:

الیاف شیشه مشهورترین تقویت كننده مورد استفاده در صنعت كامپوزیت می‌باشد و انواع مختلفی از آن به صورت تجاری وجود دارند كه برخی از آنها عبارتند از:

E، D،C ، . R تركیبات شیمیایی این الیاف با هم متفاوت است و هر كدام برای كاربرد خاصی مناسب است. این ترکیبات در جدول  1 نشان داده شده اند. تقریباَ 90 درصد الیاف مورد استفاده در كامپوزیتهای مهندسی الیاف شیشه می‌باشد. مزایا و معایب این الیاف عبارتند از :

مزایا :

1.       قیمت نسبتا پایین

2.       استحکام کششی بالا

3.       خواص عایقی حرارتی والکتریکی بالا

4.       مقاومت رطوبت و خوردگی مناسبی دارد.

معایب :

1.       مقاومت خستگی نسبتا پایین

2.       مدول نسبتا پایین در مقایسه با دیگر الیاف

3.       مقاومت کم سایش


C Glass

R Glass

D Glass

E Glass





73 - 74

53 - 54






14 – 15.5






0.5 – 0.6













0.1 – 0.2

1 <




8 – 8.5

< 0.5




1 <




جدول 1 : ترکیبات در انواع الیاف شیشه


جدول 2 : خواص انواع الیاف شیشه


C Glass

R Glass

D Glass

E Glass








حداکثر نیروی کششی






مدول یانگ




4.4 – 4.5


شکست طولی

 نویسنده: حسین رئیس زاده ی دهکردی


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