نتایج جستجو برای: glass fiber reinforced plastic

تعداد نتایج: 278081  

Journal: :Journal of Engineering Materials and Technology 1981

Journal: :علوم و تکنولوژی پلیمر 0
مجتبی صدیقی مهدی تاجداری سهیل داریوشی

the idea of combining low weight and good mechanical properties has led to efforts to develop a new light fiber/metal laminate (fml) in the last decade. fmls are hybrid composites consisting of alternating thin layers of metal sheets and fiber-reinforced epoxy prepregs. in this study, the effect of fiber orientation on tensile properties of this material is investigated both analytically and ex...

2017
F. F. Wu J. S. Wei K. C. Chan S. H. Chen R. D. Zhao G. A. Zhang X. F. Wu

The tensile plastic deformation of dendrite-reinforced Ti-based metallic glass composites (MGCs) was investigated. It was found that there is a critical normalized strain-hardening rate (NSHR) that determines the plastic stability of MGCs: if the NSHR is larger than the critical value, the plastic deformation of the MGCs will be stable, i.e. the necking and strain localization can be effectivel...

2014

As the human race will continue to explore the space by creating new space transportation means and sending them to other planets, the enhance of atmospheric reentry study is crucial. In this context, an analysis of mass recession rate of ablative materials for thermal shields of reentry spacecrafts is important to be carried out. The paper describes a new estimation method for calculating the ...

Milling of fiber reinforced polymer composites is of great importance for integrated composites with other mating parts. Improper selection of cutting process parameters, excessive cutting forces and other machining conditions would result in rejection of components. Therefore, machining conditions are optimized to reduce the machining forces and damages. This work reports practical experiments...

Journal: :ERJ. Engineering Research Journal 2004

Journal: :Journal of industrial engineering management 2023

Natural fiber as a sound-absorbing biocompisite material is believed to not only reduce noise pollution but also absorb heat. There are many underutilized coconut husks, which so far the use of husks conventional. The focus this research find right solution in well composite engineering for technological purposes. method will pure experiments using controlled specimens mechanical Engineering la...

1998
James W Lamb J. R. Forster

Measurements have been made of the temperature distribution in the antenna backing structures on the 6 m diameter antennas of the BIMA Array at Hat Creek. 32 thermistors were distributed around the backing structure and on one panel and were monitored under varying conditions. Significant gradients were found between the front and rear of the backing structure, across the structure, and radiall...

2017
Jianwei Shao Junhua Wang Mengjiao Long Jiangui Li Yayun Ma Wei Min Huang

Three kinds of fiber reinforced plastic (FRP) composites, including modified polyurethane resin (LGD), epoxy resin (E44) and modified unsaturated polyester resin (D33) glass-fiber reinforced plastics, were subjected to a 5000 h multi-factor accelerated aging test according to the power industry standard. To examine aging resistance and thermal stability of transmission towers made by these thre...

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