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Avaliação das propriedades de compósitos de poli(hidroxibutirato-co-valerato) reforçado com fibras de curauá
(2014-07-10)
Composites are materials composed of two or more different materials, forming a heterogeneous class of materials which differ in physical and chemical properties. Recent studies on biodegradable polymer composites reinforced ...
Desenvolvimento de compósitos expandidos de poli(etileno-co-acetato de vinila) - eva reforçados com pó de madeira e com fibra de bananeira
(2014-07-10)
Expanded composites or vegetable fiber-reinforced cell composites are a new emerging class
of materials combining good mechanical properties of reduced density, having superior ability
of energy absorption at impact, as ...
Influência da geometria sobre o rendimento de bocais injetores de turbinas tesla no escoamento compressível supersônico
(2014-07-10)
Nozzles with convergent-divergent geometry are designed and manufactured for the establishment of supersonic flows. The main objective of this work is to verify the variation of isentropic efficiency depending on the ...
Determinação da espessura de camadas duras em aços por técnicas magnéticas
(2014-07-10)
The process most commonly used for surface hardening of steels is annealing. Using conventional thermal treatments, hardened layers were formed on SAE 1020 and SAE 8620 steel by diffusion of carbon into the surface. The ...
Viabilidade da incorporação de resíduos vitrificados de isoladores elétricos cerâmicos no processo de obtenção de revestimentos refratários produzidos a partir de concreto sílico-aluminoso
(2014-07-10)
With the approval of the 12.305/2010 law establishing the National Policy on Solid Waste (NPSW), all waste generated in Brazilian territory should be reduced, treated and reused within the concept of sustainable development. ...