Dynamic constitutive model to predict the shear behavior of UD glass/epoxy composites
- سال انتشار: 1394
- محل انتشار: کنفرانس دو سالانه بین المللی مکانیک جامدات تجربی
- کد COI اختصاصی: WMECH03_004
- زبان مقاله: انگلیسی
- تعداد مشاهده: 527
نویسندگان
Professor Composites Research Laboratory, Center of Excellence in Experimental Solid Mechanics and Dynamics, School of Mechanical Engineering, Iran University of Science and Technology, Tehran, 16846-13114, Iran
MSC studentComposites Research Laboratory, Center of Excellence in Experimental Solid Mechanics and Dynamics,
School of Mechanical Engineering, Iran University of Science and Technology, Tehran, 16846-13114, Iran
چکیده
To study shear properties of unidirectional composites at different strain rates a proper strain rate dependent constitutive model should be developed. In the present research, shear mechanical properties of ML-506 epoxy at different strain rates have been investigated experimentally by torsion tests. Based on these experimental results, a constitutive model is developed to predict shear behavior of the neat polymer. Then, by combining this model and a micromechanical model a new strain rate dependent constitutive model for unidirectional (UD) composites is developed. Using this micromechanical model, mechanical properties of UD composites could be predicted at different strain rates. A comparison between predicted and available experimental results shows a good compatibility.کلیدواژه ها
ML-506 epoxy, strain rate, constitutive model, glass/epoxy composite, micromechanicsمقالات مرتبط جدید
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