Browsing College of Engineering and Informatics by Author "Harrison, Noel M."
Now showing items 1-20 of 23
-
Computational modelling of dynamic recrystallisation of Ni-based superalloy during linear friction welding
Okeke, Saviour I.; Harrison, Noel M.; Tong, Mingming (Springer, 2022-01-12)Linear friction welding (LFW) is an advanced joining technology used for manufacturing and repairing complex assemblies like blade integrated disks (blisks) of aeroengines. This paper presents an integrated multiphysics ... -
Cyclic plasticity of welded P91 material for simple and complex power plant connections
Li, Ming; Barrett, Richard A.; Scully, Stephen; Harrison, Noel M.; Leen, Sean B.; O’Donoghue, Padraic E. (Elsevier, 2016-02-10)This paper focuses on with the cyclic plasticity modelling of welded, ex-service P91 material. A multi material model is developed for high temperature cyclic plasticity, including the effects of the three different material ... -
Defect evaluation of the honeycomb structures formed during the drilling process
Ghabezi, Pouyan; Farahani, M.; Shahmirzaloo, Ali; Ghorbani, H.; Harrison, Noel M. (SAGE Publications, 2019-07-02)In this paper, a comprehensive experimental investigation was carried out to precisely characterize the delamination and uncut fiber in the drilling process. A digital imaging procedure was developed in order to calculate ... -
Dissolution of delta phase in Ni-based superalloy during linear friction welding: integrated multiphysics computational process modelling
Okeke, Saviour I.; Harrison, Noel M.; Tong, Mingming (Springer, 2021-06-15)Linear friction welding (LFW) is an increasingly popular solid-state joining method for challenging applications such as integrated blade disk of aero-engines. However, the influence of friction-generated heat on the ... -
The effect of inclusions on the high‐temperature low‐cycle fatigue performance of cast MarBN: Experimental characterisation and computational modelling
O'Hara, E. M.; Harrison, Noel M.; Polomski, B.K.; Barrett, R.A.; Leen, Sean B. (Wiley, 2018-06-15)The presence of inclusions is a known source of crack initiation and component failure in cast materials. In this work, the role of inclusions is investigated via a combined program of high-temperature low-cycle fatigue ... -
Evaluation and analysis of fracture modes in single composite basalt/epoxy fibres by photoelastic method and single fibre fragmentation test
Thornton, Eoghan; Ghabezi, Pouyan; Strain, Findhan; Harrison, Noel M. (Springer, 2022-04-11)In this work, the suitability of basalt fibres for uni-directional composite material applications, and adhesion between the fibres and the matrix they are embedded in have been investigated. A single fibre fragmentation ... -
Experimental and computational characterization of the effect of manufacturing-induced defects on high temperature, low-cycle fatigue for MarBN
O'Hara, Eimear M.; Phelan, B.; Osgerby, S.; Barrett, Richard A.; Raghavendra, R.; Leen, Sean B.; Harrison, Noel M. (Elsevier, 2020-05-22)Manufacturing-induced defects are a key source of crack initiation and component failure under high temperature cyclic loading. In this work, 3D X-ray micro-computed tomography and microstructural analysis of manufacturing-induced ... -
An experimental and computational investigation of the post-yield behaviour of trabecular bone during vertebral device subsidence
Kelly, Nicola; Harrison, Noel M.; McDonnell, Pat F.; McGarry, J. Patrick (Springer-Verlag, 2013)Interbody fusion device subsidence has been reported clinically. An enhanced understanding of the mechanical behaviour of the surrounding bone would allow for accurate predictions of vertebral subsidence. The multiaxial ... -
Fatigue damage characterisation of MarBN steel for high temperature flexible operating conditions
O'Hara, Eimear M.; Harrison, Noel M.; Polomski, B. K.; Barrett, Richard A.; Leen, Sean B. (SAGE Publications, 2016-09-10)This article is concerned with the high temperature low cycle fatigue behaviour of a new nano-strengthened martensiticferritic steel, MarBN. A range of strain-controlled, low cycle fatigue tests are presented on MarBN at ... -
A high-fidelity crystal-plasticity finite element methodology for low-cycle fatigue using automatic electron backscatter diffraction scan conversion: Application to hot-rolled cobalt–chromium alloy
Tu, Yuhui; Leen, Sean B.; Harrison, Noel M. (SAGE Publications, 2021-05-11)The common approach to crystal-plasticity finite element modeling for load-bearing prediction of metallic structures involves the simulation of simplified grain morphology and substructure detail. This paper details a ... -
Hygrothermal deterioration in carbon/epoxy and glass/epoxy composite laminates aged in marine-based environment (degradation mechanism, mechanical and physicochemical properties)
Ghabezi, Pouyan; Harrison, Noel M. (Springer, 2022-01-27)One of the major challenges in off-shore tidal and wave energy devices is the ageing of these structures in the hostile marine environment, which limits their operating life. In this research, mechanical properties of aged ... -
Indentation characterization of glass/epoxy and carbon/epoxy composite samples aged in artificial salt water at elevated temperature
Ghabezi, Pouyan; Harrison, Noel M. (Elsevier, 2022-04-21)Micro-level composite properties are a key determinant of the long-term performance and life span of marine-based composite structures. In this paper, the effect of the aging process in salt water at room temperature and ... -
Influence of microstructural defects and hydrostatic pressure on water absorption in composite materials for tidal energy
Grogan, D.M.; Flanagan, M.; Walls, M.; Leen, Sean B.; Harrison, Noel M.; Mamalis, D.; Goggins, Jamie (SAGE Publications, 2018-01-06)The lifespan and economic viability of tidal energy devices are constrained, in part, by the complex degradation of the tidal turbine blade materials due to prolonged immersion in a hostile sub-sea environment. Seawater ... -
Investigation of the mechanical interaction of the trabecular core with an external shell using rapid prototype and finite element models
Mc Donnell, Patricia E.; Harrison, Noel M.; Lohfeld, Stefan; Kennedy, Oran; Zhang, Y.; McHugh, Peter E. (Elsevier, 2009-04-05)The mechanical properties of vertebral bone have been widely studied with the ultimate goal of improving fracture risk prediction. However, the mechanical interaction between the cortical shell and the trabecular core is ... -
Mechanical behavior and long-term life prediction of carbon/epoxy and glass/epoxy composite laminates under artificial seawater environment
Ghabezi, Pouyan; Harrison, Noel M. (Elsevier, 2019-12-06)This paper presents an investigation on the long-term performance of carbon/epoxy and glass/epoxy laminates in an artificial seawater environment with 3.5% salinity. Accelerated aging tests were conducted at 60 °C for ... -
Prediction of microstructure evolution for additive manufacturing of Ti-6Al-4V
Yang, Xinyu; Barrett, Richard A.; Tong, Mingming; Harrison, Noel M.; Leen, Sean B. (Elsevier, 2020-04-26)A key challenge for successful exploitation of additive manufacturing (AM) across a broad range of industries is the development of fundamental understanding of the relationships between process control and mechanical ... -
Predictions of ICHAZ cyclic thermo-mechanical response in GTAW process for 9Cr steels
Mac Ardghail, Padraig; Barrett, Richard A.; Harrison, Noel M.; Leen, Sean B. (ASME The American Society of Mechanical Engineers, 2019-02-25)This work is concerned with the development of a modeling framework to predict the effects of tempered–untempered martensite heterogeneity on the thermomechanical performance of welded material. A physically based ... -
A process-structure-property model for welding of 9Cr power plant components: The influence of welding process temperatures on in-service cyclic plasticity response
Mac Ardghail, Padraig; Harrison, Noel M.; Leen, Sean B. (Elsevier, 2019-04-30)A process-structure-property methodology is presented for welding of 9Cr steels under representative flexible operating conditions for a typical thermal power plant girth-welded pipe. The welding-induced evolution of ... -
A review of thermal, microstructural and constitutive modelling of 9Cr steel for power plant applications: Towards a through-process model for structural integrity of welded connections
Mac Ardghail, Padraig; Leen, Sean B.; Harrison, Noel M. (Elsevier, 2020-01-01)Life prediction for 9Cr steel welded components is an important issue facing power plant as it moves from steady-state, base-load operation to transient, flexible operation. Welding and heat-treatment of 9Cr components ... -
Short basalt fibre reinforced recycled polypropylene filaments for 3D printing
Ghabezi, Pouyan; Flanagan, Tomas; Harrison, Noel M. (Elsevier, 2022-08-12)Additive Manufacturing (3D Printing, and specifically Material Extrusion) is a rapid and convenient manufacturing method using raw material in filament form and is a potential candidate process for the use of recycled ...