Leonardo Sales Araujo
Instituição:
Universidade Federal do Rio de Janeiro
Centro:
Centro de Tecnologia
Unidade:
Coordenação dos Programas de Pós-Graduação de Engenharia
Departamento:
Programa de Engenharia Metalúrgica/COPPE
Formação:
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Universidade Federal do Rio de Janeiro
Engenharia Metalúrgica e de Materiais | Doutorado | 2008 - 2012
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Universidade Federal Fluminense
Engenharia de Produção | Mestrado | 2003 - 2006
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Universidade Federal do Rio de Janeiro
Engenharia Metalúrgica | Graduação | 1996 - 2002
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Centro Federal de Educação Tecnológica Celso Suckow da Fonseca
| Ensino Médio (2o grau) | 1991 - 1994
Laboratórios:
Nuvens de Palavras:
Artigos:
(100.00% artigos com DOI)
| Titulo | DOI | Ano |
|---|---|---|
| Microstructural characteristics of different heat-affected zones in welded joints of UNS S32304 duplex stainless steel using the GMAW process: analysis of the pitting corrosion resistance | 10.1515/corrrev-2023-0061 | 2024 |
| Influence of yttrium alloying on improving the resistance to hydrogen embrittlement of superalloy 718 | 10.1016/j.ijhydene.2024.01.229 | 2024 |
| Inconel 625 weld claddings obtained by the GMAW-RE with rotating electrode | 10.1007/s00170-024-13697-3 | 2024 |
| Failure of an ASTM A215 T12 steel tube of a circulating fluidized bed boiler | 10.1016/j.engfailanal.2023.107188 | 2023 |
| Microstructural evolution of superaustenitic stainless steel weld metal subjected to post welding heat treatment | 10.1016/j.matlet.2023.134476 | 2023 |
| Microstructure evolution, hardness response, and corrosion resistance of Inconel 625 weld overlay obtained by the ESSC process after post-welding heat treatments | 10.1007/s00170-023-11752-z | 2023 |
| Superabsorbent biodegradable CMC membranes loaded with propolis: Peppas-Sahlin kinetics release | 10.1590/0104-1428.20230010 | 2023 |
| Influence of the Chemical Composition on the Phase Stability and Mechanical Properties of Biomedical Ti-Nb-Mo-Zr Alloys | 10.3390/met13111889 | 2023 |
| Effect of annealing twins, strain-recrystallization processing and δ-phase fraction on microtexture and evaluation of mechanical properties of nickel-based superalloy 718 | 10.1016/j.msea.2023.145341 | 2023 |
| Effect of yttrium addition on phase transformations in alloy 718 | 10.1016/j.jmrt.2022.03.137 | 2022 |
| BIODEGRADABLE SODIUM CARBOXYMETHYL CELLULOSE MEMBRANES CONTAINING MELALEUCA ESSENTIAL OILS FOR WOUND CARE MATERIAL | 10.21577/0100-4042.20170903 | 2022 |
| Production of a Novel Biomedical β-Type Titanium Alloy Ti-23.6Nb-5.1Mo-6.7Zr with Low Young?s Modulus | 10.3390/met12101588 | 2022 |
| Behavior of a Superaustenitic Stainless Steel Weld Cladding Deposited by the Gas Metal Arc Welding Process | 10.1016/j.mtcomm.2022.104978 | 2022 |
| Microstructure characterization and its relationship with impact toughness of C-Mn and high strength low alloy steel weld metals - a review | 10.1016/j.jmrt.2020.12.006 | 2021 |
| Microstructural Investigation of the Magnetic Behavior of a Modified HP-NbTi Heat-Resistant Cast Austenitic Stainless Steel | 10.1007/s11661-021-06153-4 | 2021 |
| 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 | 10.1016/j.ijhydene.2021.02.127 | 2021 |
| Effect of increased length fraction of ¿3n special boundaries on OAIC response of cold rolled Ni-based alloy 718 thin sheets | 10.1016/j.msea.2021.141922 | 2021 |
| Microstructure and Corrosion Properties of the AISI 904L Weld Cladding Obtained by the Electro Slag Process | 10.1016/j.jmrt.2021.10.094 | 2021 |
| Detailed Design and Economic Evaluation of a Cryogenic Air Separation Unit with Recent Literature Solutions | 10.1021/acs.iecr.1c02818 | 2021 |
| Influence of yttrium addition on the microstructural evolution and mechanical properties of superalloy 718 | 10.1016/j.msea.2020.139023 | 2020 |
| Correlation between grain boundary character distribution and δ-phase precipitation in nickel-based superalloy 718 | 10.1016/j.jmrt.2019.12.011 | 2020 |
| Influence of thermo-mechanical processing on structure and mechanical properties of a new metastable β Ti-29Nb-2Mo-6Zr alloy with low Young?s modulus | 10.1016/j.jallcom.2019.153078 | 2020 |
| Microstructural Characterization of Inconel 625 Nickel-Based Alloy Weld Cladding Obtained by Electroslag Welding Process | 10.1007/s11665-020-04861-3 | 2020 |
| Effects of Different Wire Drawing Routes on Grain Boundary Character Distribution, Microtexture, δ-Phase Precipitation, Grain Size and Room Temperature Mechanical Behavior of Alloy 718 | 10.1590/1980-5373-mr-2020-0131 | 2020 |
| Desempenho de metal de solda adequado para soldagem de componentes de ancoragem | 10.1590/s1517-707620200002.1046 | 2020 |
| Microstructure and corrosion properties of single layer Inconel 625 weld cladding obtained by the electroslag welding process | 10.1016/j.jmrt.2020.11.048 | 2020 |
| Hydrogen embrittlement of a hard chromium plated cylinder assembly | 10.1016/j.engfailanal.2019.04.052 | 2019 |
| Performance of the INCONEL 625 alloy weld overlay obtained by FCAW process | 10.1590/s1517-707620190001.0627 | 2019 |
| Alginate hydrogels incorporating neomycin or propolis as potential dressings for diabetic ulcers: Structure, swelling, and antimicrobial barrier properties | 10.1002/pat.4679 | 2019 |
| Mechanical and microstructural behavior of C-Mn steel weld deposits with varying titanium contents | 10.1016/j.jmrt.2019.08.010 | 2019 |
| Influence of Chemical Composition on the Mechanical and Microstructural Properties of High Strength Steel Weld Metals Submitted to PWHT | 10.1007/s13632-019-00592-7 | 2019 |
| Production, microstructure and mechanical properties of cold-rolled Ti-Nb-Mo-Zr alloys for orthopedic applications | 10.1016/j.jallcom.2018.01.305 | 2018 |
| The δ phase precipitation during processing and the influence on grain boundary character distribution and mechanical properties of superalloy 718 | 10.1016/j.msea.2018.04.073 | 2018 |
| The effect of a very high overheating on the microstructural degradation of superalloy 718 | 10.1016/j.jmrt.2018.03.006 | 2018 |
| Characterization of the aging state of modified HP steels by ultrasonic signal processing and the effect of creep voids in the interdendritic region | 10.1016/j.jmrt.2018.05.014 | 2018 |
| Influence of welding procedure and PWHT on HSLA steel weld metals | 10.1016/j.jmrt.2018.05.007 | 2018 |
| Texture, microstructure and anisotropic properties of IF-steels with different additions of titanium, niobium and phosphorus | 10.1016/j.jmrt.2018.04.009 | 2018 |
| Avaliação de Juntas Soldadas de um Aço Fundido de Alta Resistência para a Indústria Offshore | 10.1590/0104-9224/si2302.08 | 2018 |
| Electrochemical Behavior of Hot Treated Ti-12Mo-8Nb Alloy | 10.4028/www.scientific.net/msf.930.368 | 2018 |
| Observations on Dynamic Strain Aging Manifestation in Inconel 718 Superalloy | 10.4028/www.scientific.net/msf.930.390 | 2018 |
| Microstructure Optimization in δ-TRIP Steels with Al and Nb | 10.4028/www.scientific.net/msf.930.501 | 2018 |
| EFEITO DE MÚLTIPLOS CICLOS DE SOLUBILIZAÇÃO SUB-SOLVUS DELTA E ENVELHECIMENTO NA MICROESTRUTURA E PROPRIEDADES MECÂNICAS DA SUPERLIGA 718 | 10.4322/2176-1523.1590 | 2018 |
| Development of Ti-12Mo-8Nb Alloy for Biomedical Application | 10.4028/www.scientific.net/msf.899.191 | 2017 |
| Avaliação de Revestimentos de Liga de Níquel 625 Depositados pelo Processo Eletroescória | 10.1590/0104-9224/si2104.03 | 2017 |
| Characterization of the Mandible Atta Laevigata and the Bioinspiration for the Development of a Biomimetic Surgical Clamp | 10.1590/1980-5373-mr-2016-1137 | 2017 |
| Evaluation of the AISI 904L Alloy Weld Overlays Obtained by GMAW and Electro-Slag Welding Processes | 10.1007/s11665-017-2631-9 | 2017 |
| Eletrochemical Behavior of Hot Swaged and Aged Ti-12Mo-13Nb Alloy | 10.4028/www.scientific.net/msf.899.295 | 2017 |
| Assessment of nickel alloy 625 weld overlays deposited by the electroslag process | 10.1080/09507116.2017.1347330 | 2017 |
| Microstructure and Mechanical Properties of Ti-12Mo-8Nb Alloy Hot Swaged and Treated for Orthopedic Applications | 10.1590/1980-5373-mr-2017-0637 | 2017 |
| Creep Fracture Mechanisms and Maps in Aisi Type 316 Austenitic Stainless Steels from Distinct Origins | 10.1590/1980-5373-mr-2017-0002 | 2017 |
| Failure analysis of a half-shaft of a Formula SAE Racing car | 10.1016/j.csefa.2016.05.002 | 2016 |
| Effect of Hot Swaging on Microstructure and Properties of Aged Ti-10Mo-20Nb Alloy | 10.4028/www.scientific.net/MSF.869.952 | 2016 |
| Oxidation assisted intergranular cracking under loading at dynamic strain aging temperatures in Inconel 718 superalloy | 10.1016/j.jallcom.2014.12.279 | 2015 |
| Hydrogen embrittlement in nickel-based superalloy 718: Relationship between γ- + γ- precipitation and the fracture mode | 10.1016/j.ijhydene.2015.07.053 | 2015 |
| Analysis of Grain Boundary Character in a Fine-Grained Nickel-Based Superalloy 718 | 10.1007/s11665-014-1172-8 | 2014 |
| Failure of a Concentric Pipe for a Controllable Pitch Propeller System | 10.1007/s11668-013-9761-7 | 2014 |
| Failure Analysis of a Copper Tube for Pneumatic System | 10.1007/s11668-013-9657-6 | 2013 |
| Failure of a Bucket-Wheel Stacker Reclaimer: Metallographic and Structural Analyses | 10.1007/s11668-012-9575-z | 2012 |
| Characterization of a new beta titanium alloy, Ti-12Mo-3Nb, for biomedical applications | 10.1016/j.jallcom.2011.11.035 | 2012 |
| The Effect of δ Phase on the Mechanical Properties of an Inconel 718 Superalloy | 10.1007/s11665-012-0433-7 | 2012 |
Eventos:
(48.15% eventos com DOI)
| Titulo | DOI | Ano |
|---|---|---|
| INFLUÊNCIA DA TEMPERATURA DE LAMINAÇÃO A QUENTE NA MICROESTRUTURA DE NOVOS AÇOS LEVES LIGADOS AO AL E NB | 10.5151/2594-5327-34682 | 2022 |
| EFEITO DA ADIÇÃO DE Y NA PRECIPITAÇÃO DA FASE ¿ NA SUPERLIGA DE NÍQUEL 718* | 10.5151/2594-5327-33331 | 2019 |
| INFLUÊNCIA DO TRATAMENTO TÉRMICO DE TÊMPERA EM DISTINTAS TEMPERATURAS NA MICROESTRUTURA DE UM AÇO COM ADIÇÃO DE AL E NB | 10.5151/2594-5327-33598 | 2019 |
| INFLUÊNCIA DA DEFORMAÇÃO POR TREFILAÇÃO NA PRECIPITAÇÃO DE FASE DELTA, MESOTEXTURA E TAMANHO DE GRÃO NA SUPERLIGA DE NÍQUEL 718. | 10.5151/2594-5327-33317 | 2019 |
| Effect of processing on microtexture and corrosion resistance in austenitic stainless steel for biomedical application | 2019 | |
| Study Of Y Addition Effect On Microstructure Of Nickel-based Alloy 718 | 2019 | |
| AVALIAÇÃO DA HOMOGENEIDADE MICROESTRUTURAL EM AÇOS COM ALTO ALUMÍNIO E DISTINTAS ADIÇÕES DE CARBONO E NIÓBIO FORJADO A QUENTE | 10.5151/1516-392x-31987 | 2018 |
| PROPRIEDADES MECÂNICAS E MICROESTRUTURA DE METAIS DE SOLDA DE ALTA RESISTÊNCIA OBTIDOS PELOS PROCESSOS GMAW E SMAW | 10.5151/1516-392x-30429 | 2017 |
| ANÁLISE DE TEXTURA CRISTALOGRÁFICA POR DIFRAÇÃO DE RAIOS X EM AÇOS IF COM DIFERENTES ADIÇÕES DE TITÂNIO, NIÓBIO E FÓSFORO | 10.5151/1516-392x-30462 | 2017 |
| PROCESSAMENTO DE SINAIS ULTRASSÔNICOS PARA A CARACTERIZAÇÃO DE UM AÇO AUSTENÍTICO RESISTENTE AO CALOR COM DIFERENTES ESTADOS DE ENVELHECIMENTO | 10.5151/1516-392x-30622 | 2017 |
| ESTIMATIVA DE FORMAÇÃO DA FASE G EM AÇOS HP POR MEIO DE TERMODINâMICA COMPUTACIONAL | 10.5151/1516-392x-30738 | 2017 |
| EFEITO DE MÚLTIPLUS CICLOS DE SOLUBILIZAÇÃO SUB- SOLVUS delta e envelhecimento NA MICROESTRUTURA E PROPRIEDADES MECÂNICAS DA SUPERLIGA 718 | 10.5151/1516-392x-30831 | 2017 |
| CARACTERIZAÇÃO MICROESTRUTURAL DA CAMADA DE ÓXIDO PRESENTE NA SUPERFÍCIE EXTERNA DE TUBOS DE REFORMA EM FUNÇÃO DO ESTADO DE ENVELHECIMENTO | 10.5151/1516-392x-30836 | 2017 |
| OTIMIZAÇÃO DE MICROESTRUTURA EM AÇOS DELTA-TRIP ATRAVÉS DE ALUMÍNIO E NIÓBIO | 10.5151/1516-392X-30957 | 2017 |
| ESTUDO DA ANISOTROPIA DA SUPERLIGA DE NÍQUEL 718 | 10.5151/1516-392x-30826 | 2017 |
| PROPRIEDADES DE REVESTIMENTOS AISI 904L DEPOSITADOS PELO PROCESSO ELETROESCÓRIA | 2016 | |
| O EFEITO DE DIFERENTES ROTAS DE PROCESSAMENTO ASSOCIADAS A ENGENHARIA DE CONTORNO DE GRÃO E MELHORIA DAS PROPRIEDADES MECÂNICAS | 2016 | |
| ANÁLISE DOS PROCESSOS DE REFUSÃO E DUPLA REFUSÃO DE LINGOTE DE LIGA DE ZIRCÔNIO | 2015 | |
| AVALIAÇÃO DA REFUSÃO DE AÇOS 1Cr-Mo-V FORJADOS PARA ROTORES DE TURBINAS A VAPOR | 2015 | |
| PROPRIEDADES DE REVESTIMENTOS DE LIGA INCONEL 625 OBTIDOS PELOS PROCESSOS ARAME TUBULAR E ELETRODO REVESTIDO | 2015 | |
| ANALISE DA MORFOLOGIA DE CARBETOS (NI,TI)C DA SUPERLIGAS DE NIQUEL 718 APÓS PROCESSO TERMOMECÂNICO | 2015 | |
| Development of Ti-12Mo-8Nb Alloy for Biomedical Application | 2015 | |
| Hydrogen embrittlement of superalloy 718 processed by different thermomechanical routes | 2015 | |
| Failure analysis of a ship-to-shore gantry crane | 2014 | |
| Influência da temperatura de laminação e solubilização na microestrutura e dureza da superliga de níquel 718 | 2010 | |
| Analysis of a Bucketwheel Stacker Reclaimer Structural Failure | 2009 | |
| Volumetric Gas Hydrogenation of a Nickel Alloy 718 | 2009 |