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The use of a swept frequency alternating current potential difference method for identifying local geometric features within prismatic conductors (2024)
Journal Article
Si, Y., Buss, T. M., Rouse, J. P., & Hyde, C. J. (2024). The use of a swept frequency alternating current potential difference method for identifying local geometric features within prismatic conductors. NDT and E International, 145, Article 10.1016/j.ndteint.2024.103134. https://doi.org/10.1016/j.ndteint.2024.103134

Potential difference methods are widely accepted as means to detect and monitor cracks in safety critical components. This paper investigates the capability of the potential difference method that uses a swept frequency alternating current excitation... Read More about The use of a swept frequency alternating current potential difference method for identifying local geometric features within prismatic conductors.

Modelling the influence of plasticity induced softening on the low cycle fatigue and crack propagation behaviour of a nickel-based superalloy (2023)
Journal Article
Engel, B., Lavie, W., Rouse, J., Whittaker, M., Jones, J., Lancaster, R., Stekovic, S., Pattison, S., & Hyde, C. (2024). Modelling the influence of plasticity induced softening on the low cycle fatigue and crack propagation behaviour of a nickel-based superalloy. Computational Materials Science, 231, Article 112604. https://doi.org/10.1016/j.commatsci.2023.112604

Cyclic hysteresis loops generated during high-temperature, isothermal, low-cycle fatigue testing of the nickel-based superalloy RR1000 revealed a gradual decrease in elastic modulus of up to 25 % compared to the initial value in dependence of the acc... Read More about Modelling the influence of plasticity induced softening on the low cycle fatigue and crack propagation behaviour of a nickel-based superalloy.

Multi-scale modelling of the mechanical behaviour of a CoNiCrAlY bond coat alloy during small punch testing (2023)
Journal Article
Sithole, K., Taylor, C., Rouse, J., & Hyde, C. (2023). Multi-scale modelling of the mechanical behaviour of a CoNiCrAlY bond coat alloy during small punch testing. Materials and Design, 226, Article 111601. https://doi.org/10.1016/j.matdes.2023.111601

The present work is undertaken to determine the ability of the small punch test to determine mechanical properties of CoNiCrAlY, a two phase bond-coat material found in thermal barrier coatings. It utilises a multi-scale modelling methodology in whic... Read More about Multi-scale modelling of the mechanical behaviour of a CoNiCrAlY bond coat alloy during small punch testing.

The Estimation of Taylor-Quinney Coefficients Using Small Ring Specimens (2022)
Journal Article
Lavie, W., Rouse, J. P., & Hyde, C. J. (2023). The Estimation of Taylor-Quinney Coefficients Using Small Ring Specimens. Experimental Mechanics, 63, 429-443. https://doi.org/10.1007/s11340-022-00920-z

Background: The use of the Taylor-Quinney coefficient for introducing a thermal dissipation term into material models relies on understanding its dependencies. These are usually determined through extensive experimentation, wherein temperature variat... Read More about The Estimation of Taylor-Quinney Coefficients Using Small Ring Specimens.

Failure modes in dual layer thickness Laser Powder Bed Fusion components using a novel post-mortem reconstruction technique (2022)
Journal Article
Gullane, A., Murray, J. W., Hyde, C. J., Sankare, S., Evirgen, A., & Clare, A. T. (2022). Failure modes in dual layer thickness Laser Powder Bed Fusion components using a novel post-mortem reconstruction technique. Additive Manufacturing, 59(Part B), Article 103186. https://doi.org/10.1016/j.addma.2022.103186

To exploit the design freedoms of Powder Bed Fusion, parameters can be varied within sub-volumes of components to achieve the optimal part for both service conditions and manufacturing productivity. This involves prioritising mechanical strength in a... Read More about Failure modes in dual layer thickness Laser Powder Bed Fusion components using a novel post-mortem reconstruction technique.

On the thermomechanical aging of LPBF alloy 718 (2022)
Journal Article
Sanchez, S., Gaspard, G., Hyde, C. J., Ashcroft, I. A., Ravi, G. A., & Clare, A. T. (2022). On the thermomechanical aging of LPBF alloy 718. Materials Science and Engineering: A, 841, Article 142998. https://doi.org/10.1016/j.msea.2022.142998

Heat treatment of products post additive manufacture are considered hugely important since the metallurgical condition post process is suboptimal. In the case of nickel-based superalloys, grain size, precipitate distribution and precipitate size are... Read More about On the thermomechanical aging of LPBF alloy 718.

Numerical Investigation into the Influence of Grain Orientation Distribution on the Local and Global Elastic-Plastic Behaviour of Polycrystalline Nickel-Based Superalloy INC-738 LC (2022)
Journal Article
Engel, B., Huth, M., & Hyde, C. (2022). Numerical Investigation into the Influence of Grain Orientation Distribution on the Local and Global Elastic-Plastic Behaviour of Polycrystalline Nickel-Based Superalloy INC-738 LC. Crystals, 12(1), Article 100. https://doi.org/10.3390/cryst12010100

Polycrystalline nickel-based superalloys tend to have large grains within component areas where high loads are dominant during operation. Due to these large grains, caused by the manufacturing and cooling process, the orientation of each grain become... Read More about Numerical Investigation into the Influence of Grain Orientation Distribution on the Local and Global Elastic-Plastic Behaviour of Polycrystalline Nickel-Based Superalloy INC-738 LC.

On the use of multiple layer thicknesses within laser powder bed fusion and the effect on mechanical properties (2021)
Journal Article
Gullane, A., Murray, J. W., Hyde, C. J., Sankare, S., Evirgen, A., & Clare, A. T. (2021). On the use of multiple layer thicknesses within laser powder bed fusion and the effect on mechanical properties. Materials and Design, 212, Article 110256. https://doi.org/10.1016/j.matdes.2021.110256

Laser Powder Bed fusion is capable of rapid production of parts, from conception, compared with traditional manufacturing methods. This said, the time taken to fabricate a single part can still be significant – typically many hours. Processing thicke... Read More about On the use of multiple layer thicknesses within laser powder bed fusion and the effect on mechanical properties.

A computationally efficient method for the prediction of fretting wear in practical engineering applications (2021)
Journal Article
Kong, Y., Bennett, C. J., & Hyde, C. J. (2022). A computationally efficient method for the prediction of fretting wear in practical engineering applications. Tribology International, 165, Article 107317. https://doi.org/10.1016/j.triboint.2021.107317

A method for simulating fretting wear using the Modified Simplex Method for a contact solution has been developed. The initial separation between two contacting bodies was used as an input to solve the contact force distribution. An average cycle pre... Read More about A computationally efficient method for the prediction of fretting wear in practical engineering applications.