نتایج جستجو برای: polyester resin
تعداد نتایج: 36654 فیلتر نتایج به سال:
It was aimed to produce GRP pipes, having less resin consumption and higher mechanical properties by changing the grain distribution of fillers used in core region. American Foundry Society (AFS) fineness number currently pipe production, determined Fuller equation, exponent which is 0.8 (F0.8), were study. Chopped glass fibers, unsaturated polyester resin, silica filler used. manufactured thre...
In this research work, samples of the biocomposite were manufactured using vacuum assisted resin transfer molding (VARTM) technique, whose matrix is a polyester and reinforcement biaxial fabric (90°) made with jute fiber. Then, tensile flexural tests carried out on standardized specimens under ASTM standards, in order to mechanically characterize jute-polyester biocomposite. both destructive te...
Polyester based particle reinforced composites were developed using varying weight fractions (ranging from 0 to 30 wt%, at 5 wt% interval) of microcrystalline wood charcoal powder (75µm). Quantitative, qualitative and functional characterization (WC) particles polyester matrix was carried out successfully energy dispersive x-ray spectrophotometer (EDXRF), Fourier transform infrared spectrometer...
Polyester fibres reinforced with glass hybridised polyester resin composite (PFR/GFHC) is a unconventional complex high-molecular weight crosslinked network polymer composite. This novel can be used in the manufacture of structural body parts for lightweight vehicles, armour vest protection as well armours vehicles. For applications, it important to determine dynamic behaviour PFR/GFHC during h...
objective: the objective of this study was to investigate the invitro fluoride release of four new self-adhesive resin cements; set (sdi, australia), breeze (pentron, usa), embrace wetbond (pulpdent, usa), g-cem (gc, japan) and to assess the bonding performance of these self-adhesive resin cements for bonding of orthodontic brackets. materials and methods: for fluoride release experiment, six ...
Abstract The present work deals with the high-power diode laser joining process of aluminum films coated a polyester resin polypropylene (PP) films. first part focused on analyzing coating resin, using an automatic applicator. second was analysis plastic counterparts made PP. Different thicknesses and colors PP parts were tested in order to analyze under wide range different conditions. experim...
Nowadays, using three dimensional fabric as a reinforcement part in the composite has been increased. Non-crimp orthogonal woven is subgroup of 3D fabrics that this study was used to fabricate preforms. The were produced by glass yarn two different fiber volume fractions. All preforms utilized produce composites with polyester and epoxy resins. To compare torsional behavior composites, torsion ...
Glass Fiber Reinforced Polymeric (GFRP) Composites are most commonly used as bumpers for vehicles, electrical equipment panels, and medical devices enclosures. These materials also widely structural applications in aerospace, automotive, providing alternatives to traditional metallic materials. The paper fabricated epoxy polyester resin composites by using silicon carbide various proportions al...
Adequate surface preparation of composite parts for adhesive bonding by use of peel plies is highly desirable, yet it remains necessary to test each combination of composite resin system, peel ply, and adhesive for successful adhesion. Furthermore, failure in adhesion, as opposed to interlaminar or cohesive failure, is usually unacceptable for any application. The Rapid Adhesion Test (RAT) wa...
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