Search Results - "Wanhill, R.J.H."

Discussions and Comments on the Paper: E.S. Dzidowski, 2013, “The Effect of Secondary Metalworking Processeson Susceptibility of Aircraft to Catastrophic Failures and Prevention Methods”, Archives of Metallurgy and Materials, 58 (4),pp. 1207-1212 by Wanhill, R.J.H.

Get full text

Quantitative fractography of fatigue and an illustrative case study by Goldsmith, N.T., Wanhill, R.J.H., Molent, L.

“…Quantitative fractography (QF) may be used for measuring service- and test-induced fatigue crack growth (FCG) in metallic components and structures. The QF…”
Get full text

Typical fatigue-initiating discontinuities in metallic aircraft structures by Barter, S.A., Molent, L., Wanhill, R.J.H.

“…A fatigue lifing framework using a lead crack concept, based on years of detailed inspection and analysis of fatigue cracks in many specimens and airframe…”
Get full text

The lead crack fatigue lifing framework by Molent, L., Barter, S.A., Wanhill, R.J.H.

“…A fatigue lifing framework using a lead crack concept has been developed by the DSTO for metallic primary airframe components. The framework is based on years…”
Get full text

Low-energy intergranular fracture in Al–Li alloys by Pasang, T., Symonds, N., Moutsos, S., Wanhill, R.J.H., Lynch, S.P.

“…► Al–Li alloys have a propensity for brittle intergranular fracture. ► The use of Al–Li alloys in aerospace structures is therefore problematical. ► Lithium…”
Get full text

Fracture mechanics in aircraft failure analysis: Uses and limitations by Wanhill, R.J.H., Molent, L., Barter, S.A.

“…► LEFM and non-LEFM fatigue crack growth analysis methods. ► Quantitative Fractography (QF) essential. ► Only non-LEFM analyses (with QF) directly applicable…”
Get full text

Validation of F-16 Wing Attachment Fitting bolts by Wanhill, R.J.H., Grooteman, F.P., Oldersma, A.

“…► 33 F-16 aircraft grounded. ► Wing Attachment Fitting (WAF) bolts suspect after cleaning. ► Tensile testing, statistical analysis and electrochemical…”
Get full text

Five helicopter accidents with evidence of material and/or design deficiencies by Wanhill, R.J.H., Symonds, N., Merati, A., Pasang, T., Lynch, S.P.

“…► Survey of five helicopter accidents. ► Fractography essential in all cases. ► Quantitative Fractography (QF) and non-LEFM and LEFM analyses for two failures…”
Get full text

Significance of dwell cracking for IN718 turbine discs by Wanhill, R.J.H.

“…High temperature ‘dwell cracking’ of the nickel-base superalloy IN718 was investigated as part of a European project on military aircraft turbine discs. Dwell…”
Get full text

Effects of Loading Waveform and Stress Field on High Temperature Fatigue Crack Growth of Alloy 718 by Heuler, P., Affeldt, E., Wanhill, R.J.H.

“…High temperature fatigue in nickel‐base superalloys for aero‐engine applications requires consideration of cycle‐ and time‐dependent phenomena. For waveforms…”
Get full text

Fatigue and corrosion in aircraft pressure cabin lap splices by Wanhill, R.J.H, Koolloos, M.F.J

“…Aircraft structures are susceptible to fatigue and corrosion damage, notably at joints. There may be interactions between fatigue and corrosion, especially as…”
Get full text