All Outputs (8)

Effects of volumetric energy density on melting modes, printability, microstructures, and mechanical properties of laser powder bed fusion (L-PBF) printed pure nickel (2024)
Journal Article
Yue, T., Zou, Z., Zhang, S., Liu, H., Chen, Q., Wen, W., & Zang, Y. (2024). Effects of volumetric energy density on melting modes, printability, microstructures, and mechanical properties of laser powder bed fusion (L-PBF) printed pure nickel. Materials Science and Engineering: A, 909, Article 146871. https://doi.org/10.1016/j.msea.2024.146871

Volumetric energy density (VED) is a fundamental criterion for the laser powder bed fusion (L-PBF) process, influencing various forming characteristics. This study employed L-PBF to print pure nickel (Ni) using different VEDs across various melting m... Read More about Effects of volumetric energy density on melting modes, printability, microstructures, and mechanical properties of laser powder bed fusion (L-PBF) printed pure nickel.

Identification of an affordable and printable metastable β Ti alloy with outstanding deformation behaviour for use in laser powder bed fusion (2024)
Journal Article
Zou, Z., Dunstan, M. K., McWilliams, B., Hague, R., & Simonelli, M. (2024). Identification of an affordable and printable metastable β Ti alloy with outstanding deformation behaviour for use in laser powder bed fusion. Materials Science and Engineering: A, 902, Article 146619. https://doi.org/10.1016/j.msea.2024.146619

Research on metastable β Ti alloys has recently shown the possibility to achieve outstanding ductility and work hardening behaviours by engineering the materials’ unique strain transformable attributes and responses to heat treatment. As quenching is... Read More about Identification of an affordable and printable metastable β Ti alloy with outstanding deformation behaviour for use in laser powder bed fusion.

Martensite decomposition kinetics in additively manufactured Ti-6Al-4 V alloy: in-situ characterisation and phase-field modelling (2024)
Journal Article
Boccardo, A., Zou, Z., Simonelli, M., Tong, M., Segurado, J., Leen, S., & Tourret, D. (2024). Martensite decomposition kinetics in additively manufactured Ti-6Al-4 V alloy: in-situ characterisation and phase-field modelling. Materials and Design, 241, Article 112949. https://doi.org/10.1016/j.matdes.2024.112949

Additive manufacturing of Ti-6Al-4V alloy via laser powder-bed fusion leads to non-equilibrium 𝛼′ martensitic microstructures, with high strength but poor ductility and toughness. These properties may be modified by heat treatments, whereby the 𝛼′ ph... Read More about Martensite decomposition kinetics in additively manufactured Ti-6Al-4 V alloy: in-situ characterisation and phase-field modelling.

Microstructural evolution in laser melted boron alloyed Ti-6Al-4V (2024)
Journal Article
Hizli, H., Zou, Z., Murray, J., Clare, A., & Simonelli, M. (2024). Microstructural evolution in laser melted boron alloyed Ti-6Al-4V. Journal of Alloys and Compounds, 981, Article 173762

Grain refinement in cast titanium alloys has been demonstrated through the addition of boron (B) in hypoeutectic concentration. However, there is still a poor understanding of how effective B is towards microstructural refinement under rapid solidifi... Read More about Microstructural evolution in laser melted boron alloyed Ti-6Al-4V.

Influence of volumetric energy density on the tribological behaviors of pure nickel fabricated by laser powder bed fusion (2023)
Journal Article
Yue, T., Zou, Z., Zhang, S., Xu, Y., & Zang, Y. (2023). Influence of volumetric energy density on the tribological behaviors of pure nickel fabricated by laser powder bed fusion. Virtual and Physical Prototyping, 18(1), Article e2262449. https://doi.org/10.1080/17452759.2023.2262449

Laser powder bed fusion (L-PBF) enables the fast fabrication of pure nickel parts with complex structures. Tribological behaviors of the printed pure nickel are crucial to its application, and highly dependent on the volumetric energy density (VED),... Read More about Influence of volumetric energy density on the tribological behaviors of pure nickel fabricated by laser powder bed fusion.

The development of ultrafine grain structure in an additively manufactured titanium alloy via high-temperature microscopy (2023)
Journal Article
Simonelli, M., Zou, Z., Barriobero-Vila, P., & Tse, Y. Y. (2023). The development of ultrafine grain structure in an additively manufactured titanium alloy via high-temperature microscopy. Materialia, 30, Article 101856. https://doi.org/10.1016/j.mtla.2023.101856

Microstructures dominated by acicular α' martensitic phase, such as in the case of Ti-6Al-4V fabricated by laser powder-bed fusion (PBF-LB), are known to suffer from reduced ductility and low toughness. The decomposition of such metastable microstruc... Read More about The development of ultrafine grain structure in an additively manufactured titanium alloy via high-temperature microscopy.

Effect of Heat Treatment on the Microstructure and Mechanical Properties of Additive Manufactured Ti-6.5Al-2Zr-1Mo-1V Alloy (2022)
Journal Article
Zhang, S., Zhang, Y., Qi, J., Zou, Z., & Qian, Y. (2023). Effect of Heat Treatment on the Microstructure and Mechanical Properties of Additive Manufactured Ti-6.5Al-2Zr-1Mo-1V Alloy. Materials, 16(1), Article 160. https://doi.org/10.3390/ma16010160

Ti-6.5Al-2Zr-1Mo-1V (TA15), widely used in the aerospace industry, is a medium- to high-strength, near-α titanium alloy with high aluminium equivalent value. The TA15 fabricated via laser powder bed fusion (L-PBF) normally presents a typical brittle... Read More about Effect of Heat Treatment on the Microstructure and Mechanical Properties of Additive Manufactured Ti-6.5Al-2Zr-1Mo-1V Alloy.

The microstructure and tensile properties of additively manufactured Ti–6Al–2Zr–1Mo–1V with a trimodal microstructure obtained by multiple annealing heat treatment (2021)
Journal Article
Zhang, S., Zhang, Y., Zou, Z., Shi, Y., & Zang, Y. (2022). The microstructure and tensile properties of additively manufactured Ti–6Al–2Zr–1Mo–1V with a trimodal microstructure obtained by multiple annealing heat treatment. Materials Science and Engineering: A, 831, Article 142241. https://doi.org/10.1016/j.msea.2021.142241

Unlike acicular martensite, combining a lamellar and equiaxed α microstructure is known to impart high ductility for Ti-6.5Al–2Zr–1Mo–1V (TA15). In this article, we report innovative heat treatment aimed at optimizing the mechanical properties of add... Read More about The microstructure and tensile properties of additively manufactured Ti–6Al–2Zr–1Mo–1V with a trimodal microstructure obtained by multiple annealing heat treatment.