Search Results - "Vieira Guimarães, Alessandra"
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Influence of yttrium addition on the microstructural evolution and mechanical properties of superalloy 718
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (03-03-2020)“…The influence of yttrium (Y) addition on the microstructure and mechanical properties of alloy 718 was examined by scanning and transmission electron…”
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Biodegradable PLA based nanocomposites for packaging applications: The effects of organo‐modified bentonite concentration
Published in Journal of applied polymer science (20-09-2021)“…The effects of concentration and surface modification of two Brazilian bentonite clays on nanocomposites' properties based on polylactic acid – (PLA) were…”
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Effect of yttrium addition on phase transformations in alloy 718
Published in Journal of materials research and technology (01-05-2022)“…The nickel-base alloy 718 is widely used due to its superior performance at high temperatures, combining properties such as high strength, high corrosion and…”
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The influence of the processing route on the fragmentation of (Nb,Ti)C stringers and its role on mechanical properties and hydrogen embrittlement of nickel based alloy 718
Published in International journal of hydrogen energy (26-04-2021)“…The nickel-base superalloy 718 is a precipitation hardened alloy widely used in the nuclear fuel assembly of pressurized water reactors (PWR). However, the…”
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Failure of an ASTM A213 T12 steel tube of a circulating fluidized bed boiler
Published in Engineering failure analysis (01-06-2023)“…[Display omitted] •Localized bulging was observed in a section of the outermost tube of the superheater.•Severe degradation of the microstructure was evidenced…”
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Influence of yttrium alloying on improving the resistance to hydrogen embrittlement of superalloy 718
Published in International journal of hydrogen energy (08-03-2024)“…In this work, tensile samples of a Yttrium-alloyed nickel-base superalloy 718 were eletrochemically charged with hydrogen and compared with reference samples…”
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EFFECT OF MULTIPLE CYCLES OF SUB-SOLVUS DELTA SOLUTION ANNEALING AND AGING ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF ALLOY 718 / EFEITO DE MÚLTIPLOS CICLOS DE SOLUBILIZAÇÃO SUB-SOLVUS DELTA E ENVELHECIMENTO NA MICROESTRUTURA E PROPRIEDADES MECÂNICAS DA SUPERLIGA 718
Published in Tecnologia em metalurgia, materiais e mineração (01-07-2018)“…In the present work, forged and cast samples of superalloy 718, from an aircraft engine, were submitted to multiple cycles of solution annealing and aging,…”
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