نتایج جستجو برای: continuously graded fiber reinforced
تعداد نتایج: 247300 فیلتر نتایج به سال:
in the current study an experimental/statistical approach addressing key mechanical properties (compressive, tensile and flexural strength) and impact resistance of such new fibers with inclusion of different volume of polyphenylene sulfide (pps) fibers has been carried out on 288 specimens. results from this study revealed that compressive, tensile and flexural strength exhibit a good fit with...
the sustainability of the built environment is increasingly coming to the forefront of infrastructure design and maintenance decisions. to address this, development of a new class of more sustainable cement-based materials is needed. fiber reinforced self-consolidating mortar (frscm) was developed by optimizing the micromechanical parameters, which control composite properties in the hardened s...
Carbon-fiber reinforced composites are widely used in the industry. One of the key features regarding their quality and usefulness is related to the fiber orientation and contend. One technique that is used to test this kind of material is Infrared Thermography (IT). In this paper it is presented a technique based on diode-laser spot heating to measure fiber orientation on the surface of a carb...
In this paper the effect of various chemical treatments on the damping property of jute fiber reinforced green composite is discussed. The surface of the jute fiber was modified by alkali, permanganate, benzoyl chloride, malic anhydride and silane treatments. Several samples of unidirectional composites were prepared with treated jute fibers as well as untreated jute fibers. Matrix used is epox...
BACKGROUND Flexural strength (FS) of denture base resins (DBRs) had been improved by reinforcing it with different glass fibers. However, a limited data are available on the effect of glass fiber reinforcement with conventional heat-cured resin after prolonged water storage. AIMS AND OBJECTIVES This study aimed to evaluate the reinforcing effect of novel S-glass and nylon fibers on the FS of ...
The sustainability of the built environment is increasingly coming to the forefront of infrastructure design and maintenance decisions. To address this, development of a new class of more sustainable cement-based materials is needed. Fiber reinforced self-consolidating mortar (FRSCM) was developed by optimizing the micromechanical parameters, which control composite properties in the hardened s...
In present work 2D FE (finite element) analysis of deformation and damage evolution site in fiber reinforced composites are carried out. The fiber cracking point and stresses is simulated in the fibers/matrix interface, using the ANSYS FE software at varying volume fractions. The effect of matrix cracks and the interface strength on the fiber failure is investigated. Multi-fibre model were used...
نخستین بار مواد مرکب (کامپوزیت) به صورت گسترده در زمان جنگ جهانی دوم در نیروی دریایی مورد استفاده قرار گرفت. ولی امروزه محصولات کامپوزیتی در صنایع مختلفی مانند هوافضا? اتوموبیل سازی? دریایی? نظامی? ورزشی? پزشکی? زیرساختارها و غیره به کار می-روند. به طور کلی مواد مرکب? موادی چند جزئی هستند که خواص آنها در مجموع از هر کدام از اجزا بهتر است. ضمن آنکه اجزای مختلف? کارایی یکدیگر را بهبود می بخشند fm...
The simulation of damage and failure in short fiber reinforced composites like high performance hybrid-fiber reinforced cement composites is still a challenging task, due to the richness of failure mechanisms introduced by fibers on the mesoscale of the material. Randomly oriented, hooked steel fibers, like the Baekaert Dramix® fibers, sustainable modify the macroscopic failure behavior of the ...
Prior to processing, high-performance fiber-reinforced ThermoPlastic matrix Composites (TPC) are usually stored in ambient conditions, thus causing moisture sorption. During processing at high temperature, the induces defects that deteriorate mechanical properties of produced parts. In order understand these effects, it is necessary study water (de)sorption phenomena TPC, which was only charact...
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