Analyses of termal fatigue in steels used in aluminum pressure die casting molds

Abstract: One of the major challenges of the automotive industry is the reduction of gas emissions combined with greater energy efficiency in vehicles, meaning the use of low-density materials is increasingly demanded. Among them, aluminum appears as an interesting alternative for use in vehicle components, as it combines mechanical properties Leia mais…

Effects of heat treatment time on the microstrucuture and some mechanical properties of C36000BRAS = Efeitos do tempo de tratamento térmico na microestrutura e algumas propriedades mecânicas do latão C36000

Abstract: This study aims to evaluate the influence of different annealing times on the microstructure and mechanical behaviour of C36000 brass. The specimens where heat-treated for 30 min to 480 min at 790 °C, followed by quenching in water. The microstructural and mechanical characterization was performed. The microstructural characterizations reveal Leia mais…

Effects of heat treatment time on the microstrucuture and some mechanical properties of C36000BRAS = Efeitos do tempo de tratamento térmico na microestrutura e algumas propriedades mecânicas do latão C36000

Abstract: This study aims to evaluate the influence of different annealing times on the microstructure and mechanical behaviour of C36000 brass. The specimens where heat-treated for 30 min to 480 min at 790 °C, followed by quenching in water. The microstructural and mechanical characterization was performed. The microstructural characterizations reveal Leia mais…

Estudo de propriedades de juntas de ligas de alumínio para uso em veículos automotores = Study of properties of a aluminium alloy joints for use in automotive vehicles

Resumo: O presente trabalho apresenta, de forma sintética, resultados selecionados de um extenso projeto no qual foram estudadas as principais propriedades de juntas para aplicação no setor automotivo e de transporte de carga. As juntas estudadas foram produzidas por quatro técnicas de união distintas: soldagem MIG, soldagem por FSW – Leia mais…

Effects of heat treatment temperature on the microstricuture and some mechanical properties of C36000 BRASS = Efeitos da temperatura de tratamento térmico na microestrutura e algumas propriedades mecãnicas do latão C36000

Abstract: This study aims to evaluate the influence of different annealing temperatures on the microstructure and mechanical behaviour of C36000 brass. The specimens were heat treated at temperatures ranging from 250°C to 850°C for 1 hour, followed by quenching in water. Afterward, the microstructural and mechanical characterization was performed. The Leia mais…

Effects of heat treatment temperature on the microstricuture and some mechanical properties of C36000 BRASS = Efeitos da temperatura de tratamento térmico na microestrutura e algumas propriedades mecãnicas do latão C36000

Abstract: This study aims to evaluate the influence of different annealing temperatures on the microstructure and mechanical behaviour of C36000 brass. The specimens were heat treated at temperatures ranging from 250°C to 850°C for 1 hour, followed by quenching in water. Afterward, the microstructural and mechanical characterization was performed. The Leia mais…

Próteses do futuro

Dois laboratórios do IPT participam de projeto em parceria para o desenvolvimento de tecnologias protéticas e ortopédicas utilizando materiais poliméricos e compósitos O desenvolvimento de tecnologias protéticas e ortopédicas por meio de materiais poliméricos e compósitos é o objetivo do projeto PdComp, coordenado pelo Instituto de Pesquisas Tecnológicas (IPT) e Leia mais…

Propriedades e aspectos do concreto aparente do patrimônio da arquitetura moderna brasileira

Resumo: O objetivo do estudo é investigar propriedades e aspectos do concreto aparente das empenas do edifício Vilanova Artigas e correlacioná-los ao estado de conservação, visando oferecer subsídios para preservação. O edifício completou 50 anos em 2019 e foi submetido a reparos estruturais recentemente (2013-2015). Ensaios laboratoriais e observações “in Leia mais…

Impact on pollution emissions of the flow measurement uncertainties in real drive enission meters

Abstract: Vehicle emissions have received a lot of attention in recent years due to their impact on climate change and air quality in large cities. As a result, efforts have been directed towards reducing vehicle pollutant emissions by regulating them, updating existing standards, and implementing technological improvements in the equipment Leia mais…

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