Search Results - "Muddle, B.C"

Strengthening of an Al–Cu–Sn alloy by deformation-resistant precipitate plates by Nie, J.F., Muddle, B.C.

“…A variation of the Orowan equation is developed for aluminium alloys strengthened by dispersed, deformation-resistant {1 0 0} α precipitate plates, and the…”
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Some effects of alloy composition on stress corrosion cracking in Al–Zn–Mg–Cu alloys by Knight, S.P., Pohl, K., Holroyd, N.J.H., Birbilis, N., Rometsch, P.A., Muddle, B.C., Goswami, R., Lynch, S.P.

“…•A copper content of ∼0.6wt% may be overaged when the quench-rate is not too rapid.•Crack arrest markings spacings could be related to the hydrogen…”
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Correlations between intergranular stress corrosion cracking, grain-boundary microchemistry, and grain-boundary electrochemistry for Al–Zn–Mg–Cu alloys by Knight, S.P., Birbilis, N., Muddle, B.C., Trueman, A.R., Lynch, S.P.

“…► There is a good correlation between the intergranular SCC plateau velocities and the initial open-circuit potential of brittle intergranular fracture…”
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Corrosion of Zn under acidified marine droplets by Azmat, N.S., Ralston, K.D., Muddle, B.C., Cole, I.S.

“…► Corrosion oxides are formed under highly acidic droplets. ► Agreement exists between pH measurements, chemical equilibrium and corrosion products. ► Three…”
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Crystallography of the bcc/hcp transformation in a Mg–8Li alloy by Kral, M.V., Muddle, B.C., Nie, J.F.

“…A magnesium–8 wt% lithium alloy was prepared to give a microstructure of hcp (α) and bcc (β) phases, with the α phase appearing as plates in the β matrix. A…”
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Transmission electron microscopy of Zr-Zn precipitate rods in magnesium alloys containing Zr and Zn by Gao, X., Muddle, B.C., Nie, J.F.

“…Rod-shaped Zr-Zn particles are commonly observed within individual α-Mg grains in magnesium alloys containing both Zr and Zn elements. In the present study,…”
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Investigation of Cu coatings deposited by kinetic metallization by Han, Y.K., Birbilis, N., Spencer, K., Zhang, M.-X., Muddle, B.C.

“…Interfacial characterisation of Kinetic Metallization (KM) sprayed Cu coatings applied on metal substrates was performed using optical and electron microscopy,…”
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Formation of bainite as a diffusional–displacive phase transformation by Muddle, B.C, Nie, J.F

“…Formation of bainite in steels requires redistribution of carbon and is thus diffusional, but not necessarily diffusion controlled. Formation of bainitic…”
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A study of deformation substructures in austenite using a model Ni–30 wt.% Fe alloy by Hurley, P.J, Hodgson, P.D, Muddle, B.C

“…In the present work, an austenitic Ni-30 wt.% Fe alloy was used as a model alloy to study the deformation features developed during both hot strip rolling of…”
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Nanostructure of aluminium alloy 2024: Segregation, clustering and precipitation processes by Sha, G., Marceau, R.K.W., Gao, X., Muddle, B.C., Ringer, S.P.

“…Variations in solute element distribution occurring in a commercial 2024 aluminium alloy during isothermal ageing treatments at 170°C for up to 120h have been…”
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Electrochemical behaviour and corrosion of Mg–Y alloys by Sudholz, A.D., Gusieva, K., Chen, X.B., Muddle, B.C., Gibson, M.A., Birbilis, N.

“…► The corrosion performance of Mg–Y alloys reported over the largest compositional range to date. ► Quantitative microscopy identified the Mg–Y intermetallic…”
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Aspects of the surface relief definition of bainite by Aaronson, H.I, Rigsbee, J.M, Muddle, B.C, Nie, J.F

“…Criticisms of reports that ferrite laths have a sessile interfacial structure are refuted. A local lattice correspondence, achieved across coherent regions…”
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Non-classical homogeneous precipitation mediated by compositional fluctuations in titanium alloys by Nag, S., Zheng, Y., Williams, R.E.A., Devaraj, A., Boyne, A., Wang, Y., Collins, P.C., Viswanathan, G.B., Tiley, J.S., Muddle, B.C., Banerjee, R., Fraser, H.L.

“…This paper presents experimental evidence of homogeneous precipitation of the α-phase within the β matrix of a titanium alloy, and then accounts for this phase…”
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Characterization of quasicrystalline primary intermetallic particles in Mg?8wt%Zn?4wt%Al casting alloy by Bourgeois, L., Mendis, C.L., Muddle, B.C., Nie, J.F.

“…The quasicrystal structure of primary intermetallic particles found in the ascast microstructure of a permanent mould-cast Mg-8wt%Zn-4wt%Al alloy has been…”
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High temperature precipitation hardening in a rapidly quenched AlTiNi alloy I. Precipitation hardening response by Nie, J.F., Muddle, B.C.

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Role of nanostructure in pitting of Al–Cu–Mg alloys by Ralston, K.D., Birbilis, N., Cavanaugh, M.K., Weyland, M., Muddle, B.C., Marceau, R.K.W.

“…Aluminium alloys possess a unique combination of strength and low density, which historically have made these alloys ideal for many structural applications…”
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Atom probe tomography and transmission electron microscopy characterisation of precipitation in an Al–Cu–Li–Mg–Ag alloy by Gault, B., de Geuser, F., Bourgeois, L., Gabble, B.M., Ringer, S.P., Muddle, B.C.

“…State-of-the art atom probe tomography (APT) combined with transmission electron microscopy (TEM) were used to investigate the microstructure at different…”
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Low-temperature compaction of Ti–6Al–4V powder using equal channel angular extrusion with back pressure by Lapovok, R., Tomus, D., Muddle, B.C.

“…Equal channel angular extrusion (ECAE), with simultaneous application of back pressure, has been applied to the consolidation of 10 mm diameter billets of…”
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Phase separation and formation of omega phase in the beta matrix of a Ti–V–Cu alloy by Ng, H.P., Devaraj, A., Nag, S., Bettles, C.J., Gibson, M., Fraser, H.L., Muddle, B.C., Banerjee, R.

“…The formation of the ω phase in the presence of simultaneous development of compositional modulations (or phase separation) within the body-centered cubic β…”
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Effect of solution treatment on the corrosion behaviour of aluminium alloy AA7150: Optimisation for corrosion resistance by Xu, D.K., Birbilis, N., Lashansky, D., Rometsch, P.A., Muddle, B.C.

“…► It was revealed that the corrosion rate of AA7150 specimens varies markedly with the nature of solution treatment, which must be recognised given that…”
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