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Buzolin, Ricardo Henrique
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Topics
Publications (54/54 displayed)
- 2024Microstructure, tensile strength, and hardness of AA5024 modified with ZrH4 additions produced by laser powder bed fusion
- 2024Thermal cycling effects on the local microstructure and mechanical properties in wire-based directed energy deposition of nickel-based superalloycitations
- 2024A comprehensive mean-field approach to simulate the microstructure during the hot forming of Ti-17citations
- 2024Dynamic recrystallisation in Inconel®718 at creep conditionscitations
- 2024A predictive mesoscale model for continuous dynamic recrystallizationcitations
- 2023Influence of process and heat input on the microstructure and mechanical properties in wire arc additive manufacturing of hot work tool steelscitations
- 2023Phase transformation kinetics in a coarse-grain Ti17 alloy determined by laser ultrasonics and dilatometrycitations
- 2023Microstructure refinement of a cast high entropy alloy by thermomechanical treatmentscitations
- 2023Thermomechanical treatments for a dual phase cast high entropy alloycitations
- 2023Microstructure and texture characterisation of friction stir welded CoCrNi and CoCrFeMnNi multi-principle element alloyscitations
- 2023Microstructure characterisation of multi-principal element alloys welds produced by electron beam weldingcitations
- 2023Metamodelling the hot deformation behaviour of titanium alloys using a mean-field approachcitations
- 2023Hot deformation mechanisms of dual phase high entropy alloyscitations
- 2022Modelling the hot deformation of a microalloyed steel
- 2022Topological aspects in the microstructural evolution of AA6082 during hot plastic deformationcitations
- 2022Combination of Electron Beam Surface Structuring and Plasma Electrolytic Oxidation for Advanced Surface Modification of Ti6Al4V Alloycitations
- 2022Tailoring the alloy composition for wire arc additive manufacturing utilizing metal-cored wires in the cold metal transfer processcitations
- 2022Viscoplastic Self-Consistent (VPSC) Modeling for Predicting the Deformation Behavior of Commercial EN AW-7075-T651 Aluminum Alloycitations
- 2022Wire-based electron beam additive manufacturing of tungstencitations
- 2022Microstructure Characterization of Nickel Matrix Composite Reinforced with Tungsten Carbide Particles and Produced by Laser Claddingcitations
- 2021A dislocation-based model for the microstructure evolution and the flow stress of a Ti5553 alloycitations
- 2021Hot deformation and dynamic α-globularization of a Ti-17 alloycitations
- 2021Microstructure Evolution and Phase Identification in Ni-Based Superalloy Bonded by Transient Liquid Phase Bondingcitations
- 2021Refinement of the Ti-17 microstructure after hot deformation: Coupled mesoscale modelcitations
- 2021Refinement of the Ti-17 microstructure after hot deformation: Coupled mesoscale modelcitations
- 2020Modelling the Competitive Growth of Primary, Allotriomorphic, and Secondary Alpha in Ti-6Al-4Vcitations
- 2020Analysis of Splitting and Martensitic Transformation of AlNi Intermetallic Obtained by Transient Liquid Phase Bondingcitations
- 2020Improved Predictability of Microstructure Evolution during Hot Deformation of Titanium Alloyscitations
- 2020Characterization and modelling the flow localization in titanium alloys during hot forming
- 2019Preparation Method of Spherical and Monocrystalline Aluminum Powdercitations
- 2019Effects of Er and Zr Additions on the As-Cast Microstructure and on the Solution-Heat-Treatment Response of Innovative Al-Si-Mg-Based Alloyscitations
- 2019Article Improving the Dimensional Stability and Mechanical Properties of AISI 316L + B Sinters by Si3N4 Additioncitations
- 2019Recovery and recrystallization study of an Al-3wt%Mg alloy using a unique combination of quantitative difference-dilatometry and electron backscatter diffraction (EBSD)
- 2019A continuous dynamic recrystallization model to describe the hot deformation behaviour of a Ti5553 alloy
- 2019Microstructure development of molybdenum during rotary friction weldingcitations
- 2018The Role of Zn Additions on the Microstructure and Mechanical Properties of Mg–Nd–Zn Alloyscitations
- 2018Phase formation during solidification of Mg-Nd-Zn alloyscitations
- 2018Intermetallic phase characteristics in the Mg–Nd–Zn systemcitations
- 2018The effect of Zn content on the mechanical properties of Mg-4Nd-xZn Alloys (x = 0, 3, 5 and 8 wt.%)citations
- 2018Ungleiches WIG-Schweißen zwischen hochfesten, niedrig legierten Stählen und austenitischen TRIP-Manganhartstählen
- 2018Microstructure evolution of ti-5al-5v-5mo-3cr after hot deformation at large and moderate strainscitations
- 2018Corrosion behaviour of as-cast ZK40 with CaO and Y additionscitations
- 2018Characterization of localized corrosion of heat treated Er- and Zr-containing A356 alloys in 3.5 wt% NaCl aqueous solutioncitations
- 2018On the influence of solution and ageing treatments on the microstructure of ZK40 alloys modified with Ca, Gd, Nd and y additions,Zum Einfluss des Lösungsglühens und Aushärtens auf die Mikrostruktur von ZK40-Legierungen, modifiziert durch Zugaben von Ca, Gd, Nd und Y
- 2017Effect of the Zn content on the compression behaviour of Mg5Nd(Zn)citations
- 2017Microstructure and residual stresses in a friction stir welded butt joint of as-cast ZK60 alloy containing rare earthscitations
- 2017Ultrasound assisted casting of an AM60 based metal matrix nanocomposite, its properties, and recyclabilitycitations
- 2017Corrosion and creep resistance of Thixomolded® magnesium alloyscitations
- 2016The Role of Zn on the Elevated Temperature Compression Behavior of Mg5Ndcitations
- 2016Development and application of a homemade procedure for manufacturing of mechanical spare partscitations
- 2016In situ synchrotron radiation diffraction investigation of the compression behaviour at 350 °C of ZK40 alloys with addition of CaO and Ycitations
- 2015In situ synchrotron radiation diffraction study of the role of Gd, Nd on the elevated temperature compression behavior of ZK40citations
- 2015Investigation of compression behavior of Mg-4Zn-2(Nd, Gd)-0.5Zr at 350°C by in situ synchrotron radiation diffraction
- 2012EFFECT OF THE TOOL OFFSET ON THE FRICTION STIR WELDABILITY OF DISSIMILAR JOINTS BETWEEN HIGH-Mn TRIP AND HSLA STEEL GRADES
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article
Microstructure, tensile strength, and hardness of AA5024 modified with ZrH4 additions produced by laser powder bed fusion
Abstract
This work investigates the effect of ZrH4 additions on a commercial AA5024 aluminum alloy produced via Laser Powder Bed Fusion (L-PBF) where pre-mixed powders of AA5024 and ZrH4 were used. The microstructure was characterized using light and scanning electron microscopy assisted by energy-dispersive X-ray spectroscopy, and electron backscattered diffraction. The mechanical properties were evaluated by hardness and tensile measurements. The ZrH4 additions modify the microstructure. Regions without particles originate the large and elongated grains, while regions with undissolved ZrH4 or formed particles during solidification originate a fine equiaxed microstructure. The fine-grained region is typically located at the boundary of the melt pools, while the coarse-grained region is formed within the melt pools. There is substantial grain refinement with additions higher than 2.0 wt% ZrH4, nearly eliminating the coarse-grained region. The grain size does not differ in the fine-grained region for the different ZrH4, cross-sections (perpendicular or along the printing direction), or printing parameters. The 〈110〉 crystallographic fiber texture is identified, and a few particular texture components are more pronounced, such as the Cube {001} 〈100〉, the rotated Cube {001} 〈110〉, the Goss {011} 〈001〉, and Z {111} < 110>. Low texture index values are obtained in the fine-grained region, indicating the highly isotropic microstructure. The hardness and tensile strength increase with the increase in ZrH4 content for the as-built condition. A saturation in tensile strength is reached after 1.0 wt% ZrH4 additions.