Equal-channel angular pressing
Determinação das curvas de carga do polipropileno deformado via técnica de prensagem em canais equiangulares / Determination of polypropylene load curves by equal channel angular pressing technique
... (equal channel angular pressing) about the polypropylene thermoplastic polymer in order to determinate their load curves through different processing routes and ...
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Effect of Equal Channel Angular Pressing (ECAP) on microstructure and properties of Al-FeAlCr intermetallic phase composites
... An aluminium matrix composite was prepared by mixing commercial aluminium powders and 15 vol % of FeAlCr powders and consolidation by hot extrusion. The extruded composite was subjected to severe plastic deformation by ...
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Microstructure evolution of AA7050 Al alloy during Equal-Channel Angular Pressing
... High strength AA7050 aluminum alloy was processed by ECAP through route A in the T7451 condition. Samples were processed at 423 K, with 1 and 3 passes. The resulting microstructure was evaluated by optical microscopy ...
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Efeito no processo ECAP (EQUAL CHANNEL ANGULAR) na microestrutura e nas propriedades mecânicas de uma liga comercial de alumínio AA3104
... A Engenharia tem buscado a fabricação de materiais com elevados valores de resistência mecânica e tenacidade. Uma das formas de obter tais propriedades é promover a redução do tamanho de grão do material. A fim de ...
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Mat. Res. vol.15 número1
... The main effect of any Severe Plastic Deformation (SPD) technique is the increase of mechanical strength due to grain size reduction, and among those techniques only Equal Channel Angular ...
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Mat. Res. vol.14 número3
... technique, Equal Channel Angular Pressing (ECAP) is simple and ...the pressing operation ...lubrication, pressing temperature, deformation routes, die closure procedure and the ...
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Microstructural evolution of equal channel angular pressed AZ91D magnesium alloy during semi-solid isothermal heat treatment
... by equal channel angular pressing during isothermal heat treatment at 570 ℃ was ...the equal channel angular pressing followed by semi-solid isothermal heat ...
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Matéria (Rio J.) vol.15 número2
... It is well known that the main effect of any severe plastic deformation (SPD) technique is strength enhancement due to grain size reduction to at least the submicrometer range. Thus, the application of any of those ...
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Optimization Process Parameters of Equal Angular Channel Pressing According to the Measurement Results of Microstructural Homogeneity
... technique Equal Channel Angular Pressing (ECAP) method used pure Ti G4 rods processed in order to obtain fine grained micro ...structure. Equal Chanel Angular Pressing ...
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Mat. Res. vol.19 número3
... in equal channel angular pressing (ECAP) and high-pressure torsion (HPT) processes using inite element ...exit channel, the generated heat is transferred to die via conduction and ...
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Matéria (Rio J.) vol.22 número1
... like equal channel angular extrusion (ECAP) were studied by ...dissimilar-channel angular pressing (DCAP) and equal-channel angular rolling (ECAR) ...the ...
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Enhancement of QoS in Mobile Network through Channel Allocation using Software Agents
... dynamic channel allocation strategy using a multi-agent system virtually ported at Base station ...of channel to a cell to avoid interference and avoid degradation in ...
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Education Reform and Equal Opportunity in Japan
... Journal of International and Comparative Education, 2012, Volume 1, Issue 2.. Oka o, K.[r] ...
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Equal Set - Ferramentas para a integração laboral e economia social
... O seu objectivo social é o da integração laboral de pessoas em risco de exclusão, através da prestação de ser- viços às empresas (jardinagem, assistência domiciliária e todos os serviço[r] ...
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The Impact of Cognitive versus Affective Aspects on Consumer Usage of Financial Service Delivery Channels
... This research is valuable for managers in a time when the strategic and financial importance of increasing usage of remote channels is stressed, together with decreasing usage of channels based on face-to-face ...
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Atividade eletromiográfica durante o agachamento unipodal associado a diferentes posições do pé.
... Todos os dados utilizados na análise estatística foram submeti- dos ao teste de Kolmogorov-Smirnov, para verificar se os mes- mos apresentavam uma distribuição normal. Todos os dados ana- lisados apresentaram uma ...
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Int. braz j urol. vol.33 número5
... Results: The review included 69 studies. There were 7 randomized controlled trials, 5 prospective nonrandomized studies, 22 retrospective controlled studies, 26 large (greater than 100 donors), retrospective, ...
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E mbora os primeiros filmes mudos utilizassem uma velocidade de 16
... Tecnicamente as alterações espaciais resultantes das lentes grande angular e teleobjectiva (ou lente zoom usada na posição de grande angular ou teleobjectiva) não são uma função da dis[r] ...
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CAM PITCH PROFILES FOR OPTIMAL DESIGNS OF SINGLE ROLLER-TO-CAM INDEXING MECHANISMS FOR THREE DWELLS
... It is clear from Table 2 that the mechanism is not suitable for equal indexing angles. Although second dwell is very large (in the range of 80°- 100°) and third dwell is also large (30°- 60°) but first dwell is ...
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Int. braz j urol. vol.33 número5
... Results: The review included 69 studies. There were 7 randomized controlled trials, 5 prospective nonrandomized studies, 22 retrospective controlled studies, 26 large (greater than 100 donors), retrospective, ...
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