All Outputs (8)

Optimisation of the filament winding approach using a newly developed in-house uncertainty model (2020)
Journal Article
Aldoumani, N., Giannetti, C., Abdallah, Z., Belblidia, F., Khodaparast, H. H., Friswell, M. I., & Sienz, J. (2020). Optimisation of the filament winding approach using a newly developed in-house uncertainty model. Eng, 1(2), 122-136. https://doi.org/10.3390/eng1020008

The device under investigation in this paper consists of a float used to capture tidal energy, which is tethered by multiple flexible cables to a large barge-like reactor. The proposed float is made of a continuously wound glass-reinforced composite... Read More about Optimisation of the filament winding approach using a newly developed in-house uncertainty model.

A robust design of an innovative shaped rebar system using a novel uncertainty model (2018)
Journal Article
Aldoumani, N., Haddad Khodaparast, H., Giannetti, C., Abdallah, Z., Cameron, I. M., Friswell, M. I., & Sienz, J. (2018). A robust design of an innovative shaped rebar system using a novel uncertainty model. Structural and Multidisciplinary Optimization, 58(4), 1351-1365. https://doi.org/10.1007/s00158-018-2050-z

The current paper has investigated a newly developed re-bar system by implementing uncertainty models to optimise its geometry. The study of the design parameters of this re-bar system has been carried out utilising a novel uncertainty model that has... Read More about A robust design of an innovative shaped rebar system using a novel uncertainty model.

Creep deformation mechanisms in a γ titanium aluminide (2016)
Journal Article
Abdallah, Z., Ding, R., Martin, N., Dixon, M., & Bache, M. (2016). Creep deformation mechanisms in a γ titanium aluminide. Materials Science and Engineering: A, 673, 616-623. https://doi.org/10.1016/j.msea.2016.07.109

Titanium aluminides (TiAl) are considered as potential alternatives to replace nickel-based alloys of greater density for selected components within future gas turbine aero-engines. This is attributed to the high specific strength as well as the good... Read More about Creep deformation mechanisms in a γ titanium aluminide.

A critical analysis of the conventionally employed creep lifing methods (2014)
Journal Article
Abdallah, Z., Gray, V., Whittaker, M., & Perkins, K. (2014). A critical analysis of the conventionally employed creep lifing methods. Materials, 7(5), 3371-3398. https://doi.org/10.3390/ma7053371

The deformation of structural alloys presents problems for power plants and aerospace applications due to the demand for elevated temperatures for higher efficiencies and reductions in greenhouse gas emissions. The materials used in such applications... Read More about A critical analysis of the conventionally employed creep lifing methods.

A model for creep and creep damage in the γ-titanium aluminide Ti-45Al-2Mn-2Nb (2014)
Journal Article
Harrison, W., Abdallah, Z., & Whittaker, M. (2014). A model for creep and creep damage in the γ-titanium aluminide Ti-45Al-2Mn-2Nb. Materials, 7(3), 2194-2209. https://doi.org/10.3390/ma7032194

Gamma titanium aluminides (γ-TiAl) display significantly improved high temperature mechanical properties over conventional titanium alloys. Due to their low densities, these alloys are increasingly becoming strong candidates to replace nickel-base su... Read More about A model for creep and creep damage in the γ-titanium aluminide Ti-45Al-2Mn-2Nb.

High temperature creep behaviour in the γ titanium aluminide Ti-45Al-2Mn-2Nb (2013)
Journal Article
Abdallah, Z., Whittaker, M. T., & Bache, M. R. (2013). High temperature creep behaviour in the γ titanium aluminide Ti-45Al-2Mn-2Nb. Intermetallics, 38, 55-62. https://doi.org/10.1016/j.intermet.2013.02.003

The fact that Gamma titanium aluminides (γ-TiAl) offer strong potential for replacing conventional titanium and nickel-base alloys in future gas turbine engine designs has resulted in the requirement to accurately describe the creep behaviour of thes... Read More about High temperature creep behaviour in the γ titanium aluminide Ti-45Al-2Mn-2Nb.

Alpha-case kinetics and surface crack growth in the high-temperature alloy Timetal 834 under creep conditions (2012)
Journal Article
Abdallah, Z., Perkins, K., & Williams, S. (2012). Alpha-case kinetics and surface crack growth in the high-temperature alloy Timetal 834 under creep conditions. Metallurgical and Materials Transactions A, 43(12), 4647-4654. https://doi.org/10.1007/s11661-012-1285-3

Investigations of Timetal 834 crept specimens showed that a uniform alpha-case layer was developed at the surfaces of all specimens tested in air at 823 K to 923 K (550 °C to 650 °C). The formation of this alpha-case was a result of the inward diffus... Read More about Alpha-case kinetics and surface crack growth in the high-temperature alloy Timetal 834 under creep conditions.

Advances in the Wilshire extrapolation technique-Full creep curve representation for the aerospace alloy Titanium 834 (2012)
Journal Article
Abdallah, Z., Perkins, K., & Williams, S. (2012). Advances in the Wilshire extrapolation technique-Full creep curve representation for the aerospace alloy Titanium 834. Materials Science and Engineering: A, 550, 176-182. https://doi.org/10.1016/j.msea.2012.04.054

Structural alloys applied to aerospace and power generation applications are expected to operate at temperatures exceeding those originally envisaged during their design to meet the tightening regulations on emissions and also to improve the efficien... Read More about Advances in the Wilshire extrapolation technique-Full creep curve representation for the aerospace alloy Titanium 834.