Browsing by Supervisor "Irving, Phil E."

Aircraft crash survivability from viscous injury in vertical impacts

Barth, Thomas H. (Cranfield University, 2009-04)

This research investigated viscous injury from vertical impact loading to determine if it is critical to survivability of aircraft accidents. A unique database was built from autopsy reports and accident investigations ...

Damage sensing in CFRP composites using electrical potential techniques

Angelidis, Nikolaos (Cranfield UniversitySchool of Industrial Manufacturing and Science, 2004-02)

This Thesis investigates the damage sensing capabilities of the electrical potential measurement technique in carbon fibre reinforced polymer composites. Impact damage was introduced in multidirectional laminates and ...

Damage tolerance characteristics of carbon fibre composites: behaviour under impact loads and post-impact fatigue.

Xu, Fan (2018-01)

One of the critical issue restraining the fully application of carbon fibre reinforced polymer (CFRP) composites to aircraft structures is barely visible impact damage (BVID) caused by low-velocity impact (LVI). Consequent ...

Damage tolerance of welded aluminium aircraft structures

Bussu, G. (Cranfield University, 2000-11)

Riveting is a traditional joining technique mostly used in the manufacturing of aircraft structures. Manufacturing studies on the next generation of wide body commercial aircraft have' indicated that the achievement ...

The effect of microstructural parameters on the mechanical properties of non-crimp fabric composites

Miller, A. J. (Cranfield University, 1996-08)

Textile composites are being considered for use in aerospace primary structures as they have the potential to reduce the cost of manufacturing composite structures. Non-Crimp Fabrics (NCFS) are one class of textile ...

The effect of sequential action of corrosion and fatigue on fatigue crack initiation and propagation in 2024-T3 aluminium alloy

Roungos, I. C. (Cranfield University, 1997-09)

The influence of sequential action of corrosion and fatigue on fatigue behaviour of 2024- T3 aluminium alloy was investigated. EXCO solution was used for corrosion development. Corrosion evolution and penetration were ...

Effect on Fatigue Performance of Residual Stress induced via Laser Shock Peening in Mechanically Damaged 2024‐T351 Aluminium Sheet

Smyth, Niall (Cranfield University, 2014-12)

During manufacture and maintenance the fuselage skin of aircraft are susceptible to damage in the form of scratches. Normally not considered to be of major concern to aircraft structural integrity some airlines discovered ...

Extending fatigue life of aircraft fuselage structures using laser-peening

Busse, David Osman (2017-10)

Fatigue of airframe structures is a constant challenge to aircraft manufacturers when designing, maintaining and repairing new and aging metallic components. Laser-Peening (LP) is a highly flexible and controllable surface ...

Fatigue crack growth rates under variable amplitude load spectra containing tensile underloads

Zitounis, Vasilios (Cranfield UniversitySchool of Industrial and Manufacturing Science, 2003-10)

An extensive research program was performed to investigate the load interaction effect of the combined action of small amplitude high R ratio cycles and large amplitude low R ratio underloads on the crack growth of large ...

Fatigue life enhancement of aircraft structures through bonded crack retarders (BCR)

Doucet, Jeremy (Cranfield University, 2015-09)

The trend in aircraft design is to produce greener airplanes through lighter structures and/or structures with extended life and reduced maintenance. Bonded crack retarders (BCR) are one of the solutions towards that ...

Fretting fatigue under variable amplitude loading

Hooper, J. (Cranfield University, 2003-01)

Fretting fatigue is a major concern in the design of engineering components that will be subjected to clamping pressures whilst operating in a vibrational environment. The type of loading environment generated in these ...

Fretting fatigue under variable amplitude loading and the role of contact geometry

Massingham, M (Cranfield University, 2005-10)

Problem Little research has taken place to investigate fretting fatigue under conditions of variable amplitude loading (VAL) and no research using a complex loading spectra representative of reality. The effect of cycles ...

Influence of corrosion damage on the initiation of fatigue cracks in high strength stainless steels

Rezig, E. (Cranfield University, 2011-04)

This research project investigates the influence of corrosion flaws on the initiation of fatigue cracks in high strength stainless steels, and more particularly in 15-5 precipitation hardening high strength stainless ...

Interior frontal crash protection for passenger cars at high delta-v - Possibilities and limitations

Mellander, Hugo (2005-03-19)

The purpose of this study was to analyse the possibilities to design an effective interior restraint system for the driver of a passenger car subjected to fully distributed frontal crashes in the speed range of 56 to 80 ...

Investigation of cyclist and pedestian impacts with motor vehicles using experimentation and simulation

Watson, J. W. (Cranfield University, 2010-02)

Physical tests were performed with a bicycle and a dummy in a controlled laboratory environment to reproduce cyclist accidents. The kinematics of 13 sled tests were used to identify the cyclist head impact location, ...

Investigation of helicopter loading spectra variations on fatigue crack growth in titanium and aluminium alloys

Buller, Richard Gregory (1999-04)

An investigation has been made into the effect of omitting small, vibratory load cycles from a helicopter load spectrum on the fatigue crack growth rates of high strength titanium (Ti-lOV 2Fe 3A1) and aluminium (7010 T73651) ...

Investigation of the fracture behaviour of epoxy-based water ballast

Wu, Tongyu (Cranfield University, 2015-07)

The fracture of water ballast tank (WBT) coatings due to thermal stresses is widely recognised as an issue. Upon coating fracture, rapid corrosion of the tanker steel structure will occur, leading to expensive structure ...

An investigation on the diagnostics and prognostic capabilities of acoustic emission (AE) on a spur gearbox

Tan, Chee Keong (Cranfield University, 2005-08)

The aim of this research project is to explore a new technique, Acoustic Emission (AE), on both the diagnostic and prognostic capabilities in monitoring gear teeth degradation (pitting), and compare with the more widely ...

Modelling of multiple failure mechanisms for system reliability prediction

Place, C. S. (Cranfield University, 2002-01)

Helicopters are highly dependent on their transmission systems, which provide the vital links from the engines to the rotor and ancillary systems. Components are highly loaded and must be manufactured to a high degree ...

Multiaxial non-crimp fabrics: Characterisation of manufacturing capability for composite aircraft primary structure applications

Backhouse, R. (Cranfield University, 1998-03)

Carbon composite reinforcement fabrics aimed at flight critical aircraft structure application were designed and the capability of the process used to manufacture them examined. Studies of the LIBA multiaxial non-crimp ...

Browsing by Supervisor "Irving, Phil E."

Browsing by Supervisor "Irving, Phil E."

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