Resumo: O objetivo desse trabalho foi explorar a técnica de sinterização seletiva a laser (SLS) indireta de misturas de pós de Y-TZP atomizados com poliamida 12 (PA12) – 40 % de Y-TZP + 60 % de PA12 – utilizando-se laser de CO2 para a obtenção de corpos de prova, inicialmente Leia mais…
Referência: VENTURELLI, Bianka N.; TRESSIA, Gustavo; LAGE, Wivyan Castro; ALBERTIN, Eduardo. Effect of Nb addition on the waer and impact properties of hadfield steel. In: LEEDS-LYON SYMPOSIUM ON TRIBOLOGY, 48., 2023, Leeds. Pôster… 1 slide. Acesso aos slides da apresentação da Palestra em PDF: https://escriba.ipt.b/pdf/178565.pdf
Abstract: The O&G production corrosion challenges are not static phenomena. Fluid characteristics change over time, resulting in systems becoming less predictive for corrosion mitigation programs. Thus, carrying out specific studies aimed at understanding the corrosion mechanisms is constant in this sector, especially for offshore environments. Even though, few studies of Leia mais…
Referência: METOLINA, Patrícia; SILVA, André Luiz Nunis da; DIXON, Antony G.; GUARDANI, Roberto. Multiescale computational modeling of heterogeneous gas-solid reactions of the direction reduction process of iron ores. In: SEMINÁRIO DE REDUÇÃO DE MINÉRIOS E MATÉRIAS-PRIMAS, 51., 2023, São Paulo. Lecture… 30 slides. Acesso aos slides da apresentação da Palestra Leia mais…
Referência: LIMA, Moyses Leite de; COLOMBO, Giovanna Fiocco; PACHECO, Jeferson T.; VEIGA, Marcelo. Microstructure of a heat-treated 420S SS deposited by LDED on AISI D2 substrate.In: BRAZILIAN MATERIALS RESEARCH SOCIETY MEETING, B-MRS MEETING, 21., 2023, Maceió. Lecture… 23 slides. Acesso aos slides da apresentação da Palestra em PDF: https://escriba.ipt.br/pdf/178656.pdf
Resumo: A soldagem por Fricção e mistura linear é um dos processos de soldagem onde não há fusão do material base, de modo que alguns problemas geralmente associados com processos de soldagem são evitados, tais como trincas a quente e porosidades. Este trabalho tem como objetivo avaliar os impactos do Leia mais…
Abstract: Carbon fiber-reinforced polymers (CFRP) are extensively applied in the automotive and aeronautic industry due to several advantages that combine resistance properties with the weight reduction of components. The fiber reinforced thermoset composites are generally manufactured in components close to the final dimensions, and, therefore, need to be machined to Leia mais…
Abstract: This paper presents the effects of Niobium additions (1, 2 and 3%) on the wear resistance and impact properties of Hadfield steels (1.2%C and 12-18%Mn). The additions of Nb promoted a significant decrease in the mass losses, from 79 mg (Hadfield steel with 12%Mn) to 33 mg (Hadfield steel Leia mais…
Abstract: The O&G production corrosion challenges are not static phenomena. Fluid characteristics change over time, resulting in systems becoming less predictive for corrosion mitigation programs. Thus, carrying out specific studies aimed at understanding the corrosion mechanisms is constant in this sector, especially for offshore environments. Even though, few studies of Leia mais…
Abstract: Occupational exposure to toxic elements can adversely affect health. The current study evaluated blood concentrations of potentially toxic elements (PTE) including As, Cd, Cr, Cu, Hg, Mn, Ni, Pb, Sb, Sn, and Zn in formal and informal workers. Additionally, the study investigated the associations between blood PTE concentrations and Leia mais…
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