Research Repository

See what's under the surface


Compressive failure modes and energy absorption in additively manufactured double gyroid lattices (2018)
Journal Article
Maskery, I., Aboulkhair, N. T., Aremu, A., Tuck, C., & Ashcroft, I. (in press). Compressive failure modes and energy absorption in additively manufactured double gyroid lattices. Additive Manufacturing, 16, doi:10.1016/j.addma.2017.04.003. ISSN 2214-7810

Lattice structures are excellent candidates for lightweight, energy absorbing applications such as personal protective equipment. In this paper we explore several important aspects of lattice design and production by metal additive manufacturing, inc... Read More

The application of composite through-thickness assessment to additively manufactured structures (2017)
Conference Proceeding
Bitar, I., Aboulkhair, N., & Leach, R. (2017). The application of composite through-thickness assessment to additively manufactured structures. In Solid Freeform Fabrication 2017: Proceedings of the 28th Annual International Solid Freeform Fabrication Symposium – An Additive Manufacturing Conference, 616-632

This study looks into the applicability of through-thickness assessment to additive manufacturing (AM) carbon-fibre reinforced polymers (CFRPs). The study utilised a material extrusion printer that uses fused filament fabrication and composite filame... Read More

A tripropylene glycol diacrylate-based polymeric support ink for material jetting (2017)
Journal Article
He, Y., Zhang, F., Saleh, E., Vaithilingam, J., Aboulkhair, N. T., Begines, B., …Wildman, R. D. (2017). A tripropylene glycol diacrylate-based polymeric support ink for material jetting. Additive Manufacturing, 16, doi:10.1016/j.addma.2017.06.001. ISSN 2214-7810

Support structures and materials are indispensable components in many Additive Manufacturing (AM) systems in order to fabricate complex 3D structures. For inkjet-based AM techniques (known as Material Jetting), there is a paucity of studies on specif... Read More

Selective laser melting of aluminium alloys (2017)
Journal Article
Aboulkhair, N. T., Everitt, N. M., Maskery, I., Ashcroft, I., & Tuck, C. (in press). Selective laser melting of aluminium alloys. MRS Bulletin, 42(4), doi:10.1557/mrs.2017.63. ISSN 0883-7694

Metal additive manufacturing (AM) processes, such as selective laser melting, enable powdered metals to be formed into arbitrary 3D shapes. For aluminium alloys, which are desirable in many high-value applications for their low density and good mecha... Read More

Improving the fatigue behaviour of a selectively laser melted aluminium alloy: influence of heat treatment and surface quality (2016)
Journal Article
Aboulkhair, N. T., Maskery, I., Tuck, C., Ashcroft, I., & Everitt, N. M. (2016). Improving the fatigue behaviour of a selectively laser melted aluminium alloy: influence of heat treatment and surface quality. Materials and Design, 104, doi:10.1016/j.matdes.2016.05.041. ISSN 0261-3069

Selective laser melting (SLM) is being widely utilised to fabricate intricate structures used in various industries. Widening the range of applications that can benefit from such promising technology requires validating SLM parts in load bearing appl... Read More

Nanoindentation shows uniform local mechanical properties across melt pools and layers produced by selective laser melting of AlSi10Mg alloy (2016)
Journal Article
Everitt, N. M., Aboulkhair, N. T., Maskery, I., Tuck, C., & Ashcroft, I. (2016). Nanoindentation shows uniform local mechanical properties across melt pools and layers produced by selective laser melting of AlSi10Mg alloy. doi:10.5185/amlett.2016.6171. ISSN 0976-3961

Single track and single layer AlSi10Mg has been produced by selective laser melting (SLM) of alloy powder on a AlSi12 cast substrate. The SLM technique produced a cellular-dendritic ultra-fined grained microstructure. Chemical composition mapping an... Read More

On the precipitation hardening of selective laser melted AlSi10Mg (2015)
Journal Article
Aboulkhair, N. T., Tuck, C., Ashcroft, I., Maskery, I., & Everitt, N. M. (2015). On the precipitation hardening of selective laser melted AlSi10Mg. Metallurgical and Materials Transactions A, 46(8), doi:10.1007/s11661-015-2980-7. ISSN 1073-5623

Precipitation hardening of selective laser melted AlSi10Mg was investigated in terms of solution heat treatment and aging duration. The influence on the microstructure and hardness was established, as was the effect on the size and density of Si part... Read More

Nano-hardness and microstructure of selective laser melted AlSi10Mg scan tracks (2015)
Conference Proceeding
Aboulkhair, N. T., Tuck, C., Maskery, I., Ashcroft, I., & Everitt, N. (2015). Nano-hardness and microstructure of selective laser melted AlSi10Mg scan tracks. In Industrial Laser Applications Symposium (ILAS 2015)doi:10.1117/12.2190015

Selective laser melting (SLM) of aluminium alloys faces more challenges than other ongoing alloys such as stainless steels and titanium alloys because of the material’s properties. It is important to study single scan tracks if high density large par... Read More

Reducing porosity in AlSi10Mg parts processed by selective laser melting (2014)
Journal Article
Aboulkhair, N. T., Everitt, N. M., Ashcroft, I., & Tuck, C. (2014). Reducing porosity in AlSi10Mg parts processed by selective laser melting. Additive Manufacturing, 1-4, doi:10.1016/j.addma.2014.08.001. ISSN 2214-7810

Selective laser melting (SLM) is widely gaining popularity as an alternative manufacturing technique for complex and customized parts. SLM is a near net shape process with minimal post processing machining required dependent upon final application. T... Read More