نتایج جستجو برای: thermoplastic composite
تعداد نتایج: 125463 فیلتر نتایج به سال:
The inherent advantages of thermoplastics over the traditional thermoset composite systems are well recognized in the aeronautics community. The main advantages are the much faster processing and the higher toughness. The current advanced thermoplastic material systems provide excellent mechanical performance but their main disadvantage is the difficult processing. Ideally, future aircraft subc...
The composite industry looks toward a new material system (resins) based on thermoplastic polymers for the vacuum infusion process, similar to the infusion process using thermosetting polymers. A large number of thermoplastics are available in the market with a variety of properties suitable for different engineering applications, and few of those are available in a not yet polymerised form sui...
Failures in composite materials occur mainly due to interlaminar fracture, also called delamination, between laminates. This indicates that characterizing interlaminar fracture toughness is the most effective factor in the fracture of composite materials. This study reports investigation on mixed-mode interlaminar fracture behaviour in woven carbon fibre/polyetherimide (CF/PEI) thermoplastic co...
A laminated composite was produced using a thermoplastic prepreg by inserting an interleaved film with the same type of matrix as the prepreg during the lay-up process to improve the low interlaminar properties, which is a known weakness of laminated composites. Carbon fiber fabric (CFF) and polypropylene (PP) were used to manufacture the thermoplastic prepregs. Eight prepregs were used to prod...
A thermoplastic polyurethane (TPU) composite film containing hexadecyl-functionalized low-defect graphene nanoribbons (HD-GNRs) was produced by solution casting. The HD-GNRs were well distributed within the polyurethane matrix, leading to phase separation of the TPU. Nitrogen gas effective diffusivity of TPU was decreased by 3 orders of magnitude with only 0.5 wt % HD-GNRs. The incorporation of...
*Correspondence: Alfonso Maffezzoli , Materials Science and Technology Group, Department of Engineering for Innovation, University of Salento, via per Monteroni, Lecce 73100, Italy e-mail: alfonso.maffezzoli@ unisalento.it Thermoplastic matrix composites are finding new applications in different industrial area, thanks to their intrinsic advantages related to environmental compatibility and pro...
The bumper beam is a crucial component of the automobile system, responsible for absorbing impact energy and enhancing safety passengers during collisions. This paper presents design experimental analysis 3D-printed composite–plastic hybrid light structure, designed as collapsible absorber. Exploratory testing was conducted using low-impact tests to investigate failure mechanism absorption capa...
The in situ thermoplastic tape placement process is increasingly applied for manufacturing of composite structures. Compared to the fi lamentwinding process, it provides several additional fl exibilities such as the possibility to manufacture nonrotational structures, even with concave curves and free fibre orientation. Considerable savings in terms of time and costs can be achieved with an in ...
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