Creep Of Metals
Mostrando 1-6 de 6 artigos, teses e dissertações.
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1. On the creep behavior of carbon/epoxy non-crimp fabric composites
The use of composites in structural applications requires the study of specific properties to ensure that these materials are safe and an excellent option to replace some metals, for example. In the present study, vacuum assisted resin transfer molding (VARTM) was used prior to obtain carbon/epoxy non-crimp fabric composites. Dynamic mechanical analysis and
Mat. Res.. Publicado em: 26/02/2018
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2. Evaluating the flow processes in ultrafine-grained materials at elevated temperatures
When polycrystalline materials are tested in tension at elevated temperatures, the flow mechanisms depend upon various parameters including the temperature of testing, the applied stress and the material grain size. The plotting of deformation mechanism maps is a procedure used widely in displaying and interpreting the creep properties of conventional coarse
Mat. Res.. Publicado em: 19/02/2013
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3. Analise numerica e experimental do cravamento de componentes mecanicos tubulares em haste com ponta esferica / Numerical and experimental analysis of tubular metallic parts indented with spherical punchs
Crimping is a cold metal forming process that presents low costs for use in holding tubular components. The type of crimping analyzed is used in projects of components that transmit rotating motion, such as joining systems of brake pedals. If the joining clearance, in this case, is less than 0,02mm the brake movement will be restrained and may not close the
Publicado em: 2007
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4. Desenvolvimento, caracterização microestrutural e mecânica de cerâmicas de SiC aditivadas com alumina e óxidos de terras raras / Development, microstructural and mechanical caracterization of SiC ceramics with alumina and rare earth oxides additions
Neste trabalho, são analisadas as propriedades mecânicas em temperatura ambiente (dureza e tenacidade à fratura) e em altas temperaturas (fluência compressiva), em amostras de cerâmicas de carbeto de silício (SiC) com adição de óxidos de terras raras (OTR) e alumina (Al2O3). O OTR é obtido pela calcinação de CTR (concentrado de terras raras - Nuc
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 30/06/2006
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5. Development, microstructural and mechanical caracterization of SiC ceramics with alumina and rare earth oxides additions / Desenvolvimento, caracterização microestrutural e mecânica de cerâmicas de SiC aditivadas com alumina e óxidos de terras raras
In this work, the mechanical properties are determined at room temperature (hardness and fracture toughness) and high temperatures (compressive creep) of SiC ceramic samples with alumina (Al2O3) and rare earth oxides (REO) additions. The REO is obtained by REC (rare earth concentrate - Nuclemon) calcinations, which contains 76 wt % of yttria (Al2O3). Three c
Publicado em: 2006
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6. Desenvolvimento, caracterização microestrutural e mecânica de cerâmicas de SiC aditivadas com alumina e óxidos de terras raras / Development, microstructural and mechanical caracterization of SiC ceramics with alumina and rare earth oxides additions
Neste trabalho, são analisadas as propriedades mecânicas em temperatura ambiente (dureza e tenacidade à fratura) e em altas temperaturas (fluência compressiva), em amostras de cerâmicas de carbeto de silício (SiC) com adição de óxidos de terras raras (OTR) e alumina (Al2O3). O OTR é obtido pela calcinação de CTR (concentrado de terras raras - Nuc
Publicado em: 2006