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Now showing items 233-252 of 434

The martensite transformation in Ni-based coatings & bulk alloys

Clancy, Marie (University of Limerick, 2010)

This thesis examines the formation of martensite in Ni-based super-alloys in both an alloy-coating system and in the bulk alloy, NiPtAl. The alloy-coating study was designed to test the hypothesis that an extra layer of ...
Material waste in the Northern Ireland construction industry: on-site management causes and methods of prevention

Marinelli, Marina; Dolan, Matthew; Spillane, John P.; Konanahalli, Ashwini (ARCOM: Association of Researchers in Construction Management, 2014)

The construction industry in Northern Ireland is one of the major contributors of construction waste to landfill each year. The aim of this research paper is to identify the core on-site management causes of material waste ...
Maximising the potential use of ground granulated blast-furnace slag (GGBS) in cement: An Irish investigation

Higgins, Brendan; Curran, Michael; Spillane, John P. (2020)

The production of cement is estimated to account for around 8% of carbon dioxide (CO2) emissions worldwide, and the Irish construction industry yields fifteen million tonnes of CO2 annually. Measures must be employed to ...
Measurement and prediction of machining induced redistribution of residual stress in the aluminium alloy 7449

Robinson, J.S.; Tanner, David A.; Truman, C.E.; Wimpory, R.C. (Springer, 2011)

The residual stress distributions in two 7449 aluminium alloy rectilinear blocks have been determined using neutron diffraction. Heat treatment included cold water immersion quenching and a period of precipitation hardening. ...
Measurement of strain induced responses at femoral artery bypass graft junctions

Campbell, Tríona (University of Limerick, 2015)

Femoral artery bypass grafts have a predilection for failure at the distal anastomosis due to restenosis, within a short period of time, the cause of which has been attributed to altered haemodynamics. This study proposes ...
Mechanical and structural characterisation of the dural venous sinuses

Walsh, Darragh R.; Lynch, James J; O'Connor, David T.; Newport, David; Mulvihill, John J.E. (Nature Research, 2020)

The dural venous sinuses play an integral role in draining venous blood from the cranial cavity. As a result of the sinuses anatomical location, they are of signifcant importance when evaluating the mechanopathology of ...
Mechanical characterisation of composite materials with 3D woven reinforcement architectures

Obande, Winifred O. (University of Limerick, 2016)

The use of traditional two-dimensional (2D) fibre preforms can be associated with poor out-of-plane and interlaminar mechanical performance, particularly in response to impact loads. Such preforms comprise multiple plies ...
The mechanical responses of advecting cells in confined flow

Connolly, Sinéad Á.; Newport, David; McGourty, Kieran Denis (American Institute of Physics, 2020)

Fluid dynamics have long influenced cells in suspension. Red blood cells and white blood cells are advected through biological microchannels in both the cardiovascular and lymphatic systems and, as a result, are subject ...
Mechanical, dynamic-mechanical and wear performance of novel non-crimp glass fabric-reinforced liquid thermoplastic composites filled with cellulose microcrystals

Stanley, Walter; Bandaru, Aswani Kumar; Rana, Sohel; Parveen, Shama; Pichandi, Subramani (Elsevier, 2021)

The novel reactive methylmethacrylate (MMA) thermoplastic resin (commercially known as Elium-resin) is the first liquid thermoplastic resin which is curable at room temperature. This resin is a competitive solution against ...
Mechanically stimulated osteocytes promote the proliferation and migration of breast cancer cells via a potential CXCL1/2 mechanism

Dwivedi, Anushree; Kiely, Patrick A.; Hoey, David A. (Elsevier, 2021)

Bone represents the most common site for breast cancer metastasis. Bone is a highly dynamic organ that is constantly adapting to its biophysical environment, orchestrated largely by the resident osteocyte network. Osteocytes ...
A mechanistic model for particle breakage within agitated crystallization systems

Tyrrell, Rory (University of Limerick, 2019)

Throughout the field of particulate processing the application of modelling techniques to predict, optimize, or otherwise enhance processes is widespread. Perhaps the most common technique when it comes to modelling ...
Mediation within Irish construction industry: identifying success factors for appropriate competencies and processes

Spillane, John P.; Oyedele, Lukumon O.; Hande, Evelyn; von Meding, Jason K.; Konanahalli, Ashwini; Jaiyeoba, Babatunde E.; Tijani, Iyabo K. (Academic Journals, 2011)

The construction industry notoriously excels at dispute creation both in Ireland and abroad. This paper examines mediation in the Irish construction industry as a means of conflict and dispute resolution. It aims to ...
Membraneless water filtration using CO2

Shin, Sangwoo; Shardt, Orest; Warren, Patrick B.; Stone, Howard A. (Nature Publishing Group, 2017)

Water purification technologies such as microfiltration/ultrafiltration and reverse osmosis utilize porous membranes to remove suspended particles and solutes. These membranes, however, cause many drawbacks such as a ...
Mesenchymal stem cell mechanotransduction is cAMP dependent and regulated by adenylyl cyclase 6 and the primary cilium

Johnson, Gillian P.; Stavenschi, Elena; Eichholz, Kian F.; Corrigan, Michele A.; Fair, Seán; Hoey, David A. (Company of Biologists, 2018)

Mechanical loading is a potent stimulus of bone adaptation, requiring the replenishment of the osteoblast from a progenitor population. One such progenitor is themesenchymal stemcell (MSC), which undergoes osteogenic ...
Microfluidic droplet-based PCR instrumentation for high-throughput gene expression profiling and biomarker discovery

Hayes, Christopher J.; Dalton, Tara (Elsevier, 2015)

PCR is a common and often indispensable technique used in medical and biological research labs for a variety of applications. Real-time quantitative PCR (RT-qPCR) has become a definitive technique for quantitating ...
Micromechanical modelling and testing of a 9Cr tempered martensitic steel

Golden, Brian J. (University of Limerick, 2016)

The work in this thesis focuses on the martensitic steel known as P91. In this work the mechanical response of the material was examined through nite element material modelling and the results validated through ...
Micromechanical modelling of damage and failure in fibre reinforced composites under loading in the transverse plane

Vaughan, Ted Joseph (University of Limerick, 2011)

Fibre reinforced composites exhibit a gradual damage accumulation to failure, with a multitude of hierarchical dissipative mechanisms responsible for the deterioration of mechanical properties. In order to predict failure ...
Microscale deformation of a tempered martensite ferritic steel:Modelling and experimental study of grain and sub-grain interactions

Golden, Brian J.; Li, Dong-Feng; Guo, Yina; Tiernan, Peter; Leen, Sean B.; O'Dowd, Noel P. (Elsevier, 2015)

In this paper, a nite-element modelling framework is presented with explicit representation of polycrystalline microstructure for a tempered martensite ferritic steel. A miniature notched specimen was manufactured from ...
Microscopical analysis and characterisation of bioactive porous silicon nanosponge particles

Chadwick, Edward G. (University of Limerick, 2014)

Porous silicon finds numerous applications in the areas of bio-technology, drug delivery, energetic materials and catalysis. Vesta Sciences (US Research Company) have led the development of porous silicon nanosponge ...
Microstructural characterisation of metallurgical grade porous silicon nanosponge particles

Chadwick, Edward G.; Belochapkine, Serguei; Tanner, David A. (Springer, 2012)

Porous silicon finds numerous applications in the areas of bio-technology, drug delivery, energetic materials and catalysis. Recent studies by Vesta Sciences have led to the development of porous silicon nanosponge particles ...

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