All Outputs (17)

Creep failure of 25Cr-35Ni centrifugally cast reformer tube (2022)
Book Chapter
Ravindranath, K., Akbar, A., Al-Wakaa, B., & Abdallah, Z. (2022). Creep failure of 25Cr-35Ni centrifugally cast reformer tube. In G. Ravindran (Ed.), Failure Analysis - Structural Health Monitoring of Structure and Infrastructure Components [Working Title]. InTech. https://doi.org/10.5772/intechopen.108766

Cast 25Cr-35Ni alloys are extensively being used in the petrochemical and petroleum refining industries for high-temperature applications. A typical application of such alloys in the industry is in the manufacture of cast catalyst reformer tubes for... Read More about Creep failure of 25Cr-35Ni centrifugally cast reformer tube.

Advances in Fatigue and Fracture Testing and Modelling (2022)
Book
Abdallah, Z., & Aldoumani, N. (2022). Z. Abdallah, & N. Aldoumani (Eds.). Advances in Fatigue and Fracture Testing and Modelling. InTech. https://doi.org/10.5772/intechopen.94796

Advances in Fatigue and Fracture Testing and Modelling explores various aspects related to fatigue and fracture in metallic and non-metallic materials in terms of mechanical testing and numerical modelling. The book provides results of research work... Read More about Advances in Fatigue and Fracture Testing and Modelling.

Casting Processes and Modelling of Metallic Materials (2021)
Book
Abdallah, Z., & Aldoumani, N. (2021). Z. Abdallah, & N. Aldoumani (Eds.). Casting Processes and Modelling of Metallic Materials. InTech. https://doi.org/10.5772/intechopen.91879

This book, Casting Processes and Modelling of Metallic Materials, explores the various casting and modelling activities related to metallic alloy systems. The book provides results of research work conducted by experts from all over the globe to add... Read More about Casting Processes and Modelling of Metallic Materials.

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.

Optimisation of mechanical properties for a gear steel alloy for aero-engine applications (2018)
Conference Proceeding
Abdallah, Z., Bache, M., Perkins, K., Rawson, M., & Hetherington, J. (2018). Optimisation of mechanical properties for a gear steel alloy for aero-engine applications. . https://doi.org/10.4172/2321-6212-C4-023

The characterization of steel alloys, candidates for employment as a gear material for future gas turbine aero-engine, will be described in the present study. Comparative studies were initially performed on seven potential steel alloy systems, consid... Read More about Optimisation of mechanical properties for a gear steel alloy for aero-engine applications.

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 lifing models and techniques (2018)
Book Chapter
Abdallah, Z., Perkins, K., & Arnold, C. (2018). Creep lifing models and techniques. In . T. Arkadiusz Tański, M. Sroka, & A. Zieliński (Eds.), Creep. InTech. https://doi.org/10.5772/intechopen.71826

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 Creep lifing models and techniques.

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.

The capability of traditional and modern creep lifing methods to predict long-term creep properties (2014)
Presentation / Conference
Abdallah, Z., Whittaker, M., & Perkins, K. (2014, May). The capability of traditional and modern creep lifing methods to predict long-term creep properties. Paper presented at ECCC Creep & Fracture 2014 -3rd International ECCC Conference, Rome, Italy

The ability to predict the stress-rupture behaviour of high temperature components is of paramount importance in both power generation and aerospace applications. Historically, the power law-based techniques such as the Larson-Miller, Manson-Haferd a... Read More about The capability of traditional and modern creep lifing methods to predict long-term creep properties.

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.

Application of modern creep lifing techniques to a gamma-TiAl alloy (Ti- 45Al-2Mn-2Nb) (2012)
Presentation / Conference
Abdallah, Z., Whittaker, M. T., Bache, M. R., & Dixon, M. (2012, September). Application of modern creep lifing techniques to a gamma-TiAl alloy (Ti- 45Al-2Mn-2Nb). Paper presented at The 9th International Conference on Creep and Fatigue at Elevated Temperatures, London, UK

Intermetallic materials such as gamma titanium alumindes (-TiAl) offer an extremely attractive balance of properties. In support of potential engineering applications it is essential that the material properties are well understood across a wide tem... Read More about Application of modern creep lifing techniques to a gamma-TiAl alloy (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.

High temperature creep behaviour of gamma-titanium aluminides (gamma-TiAl) (2012)
Presentation / Conference
Abdallah, Z., Dixon, M., Whittaker, M., & Bache, M. (2012, July). High temperature creep behaviour of gamma-titanium aluminides (gamma-TiAl). Paper presented at The 12th International Conference on Creep and Fracture of Engineering Materials and Structure, Kyoto, Japan

Compared to conventional titanium alloys, gamma titanium aluminides (gamma-TiAl)offer highly desirable properties to the design engineer, with relatively high specific stiffness and high temperature capability. However, a significant drawback of this... Read More about High temperature creep behaviour of gamma-titanium aluminides (gamma-TiAl).

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.

Advancements in Nickel-Base Alloys Applications - Modelling and Experimental Studies
Book
Abdallah, Z., & Aldoumani, N. Advancements in Nickel-Base Alloys Applications - Modelling and Experimental Studies

This book will explore the advancements in nickel-base alloy systems for various engineering applications. The book will focus on specified topics related to gas turbine aero-engines, steam turbines, submarines, and nuclear and automotive application... Read More about Advancements in Nickel-Base Alloys Applications - Modelling and Experimental Studies.