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Münger, E. P.; Chirita, V.; Greene, J. E.; Sundgren, J. – E. |
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Publication |
Adatom-induced diffusion of two-dimensional close-packed Pt7 clusters on Pt(111) |
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Journal Article |
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1996 |
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Abstract |
Surface Science |
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Surf. Sci. |
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355 |
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L325-L330 |
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2302 |
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Myers, A. F.; Liu, J.; Choi, W. B.; Wojak, G. J.; Hren, J. J. |
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High resolution TEM study of diamond formation on silicon and molybdenum field emitter surfaces |
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Journal Article |
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1995 |
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Mater. Res. Soc. Symp. Proc. |
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354 |
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449-454 |
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Field Emission |
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2776 |
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Zhang, Y.; Blazquez, J.S.; Conde, A.; Warren, P.J.; Cerezo, A. |
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Partitioning of Co during crystallisation of Fe–Co–Nb–B(–Cu) amorphous alloys |
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Journal Article |
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2003 |
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Materials Science and Engineering A |
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Mater. Sci. Eng. A |
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353 |
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1-2 |
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158-163 |
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Amorphous; Soft magnetic; Atom probe; Nanocrystallisation; Microstructure |
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Partitioning behaviour of alloying elements during the primary crystallisation of both Fe18Co60Nb6B16 and Fe39Co39Nb6B15Cu1 alloys has been studied using three-dimensional atom probe (3DAP). Cu rich clusters were found in the Cu-containing alloy, and they provided nucleation sites for the primary α-Fe(Co) particles. In the Cu clusters, concentration of both Fe and Co was greatly decreased. In both Cu-containing and Cu-free alloys Nb and B were depleted in the α-Fe(Co) particles and enriched in the remaining amorphous phase. However, Co concentration in the α-Fe(Co) was the same as the remaining amorphous phase. Based on the 3DAP analysis, the phase volume fraction has been estimated. |
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NU @ karnesky @ |
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818 |
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Zhang, Y.; Blazquez, J. S.; Conde, A.; Warren, P. J.; Cerezo, A. |
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Partitioning of Co during crystallisation of Fe-Co-Nb-B(-Cu) amorphous alloys |
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Journal Article |
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2003 |
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Materials Science and Engineering A |
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Mater. Sci. Eng. A |
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353A |
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158-163 |
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9229 |
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Gomez de Salazar, J. M.; Barrena, M. I. |
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Dissimilar fusion welding of AA7020/MMC reinforced with Al2O3 particles. Microstructure and mechanical properties |
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Journal Article |
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2003 |
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Materials Science and Engineering A |
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Mater. Sci. Eng. A |
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352 |
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1-2 |
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162-168 |
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Metal matrix composites; Welding; Microstructures; Mechanical testing |
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Metal matrix composites reinforced with Al2O3 particles combine the matrix properties with the ceramic properties of the reinforcement. However, its wide application as structural materials need of the proper development of their joining processes. The present work describes the results obtained from microstructural (Optical and scanning electron microscopy and electron probe microanalyser) and mechanical evaluation (hardness and tensile tests) of aluminum matrix composites (AA7005) reinforced with 10% vol. fraction Al2O3 particles (W7A10), welded to the unreinforced alloy AA7020 (Al–Zn–Mg), using metal inert gas welding process using ER4043 (Al–Si) and ER5356 (Al–Mg) as fillers. The thermal effect of welding on different types of joint results in a loss of the mechanical properties in the heat affected zones. These properties could be recovered with post-welding heat treatments. |
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NU @ karnesky @ |
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268 |
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Florencio, J.; Ren, D. M.; Tsong, T. T. |
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Absolute composition depth-profiles in surface segregation of Pt-Rh alloys |
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Journal Article |
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1996 |
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Surface Science |
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Surf. Sci. |
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345 |
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L29-L33 |
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2310 |
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Warren, P. J.; Thuvander, M.; Abraham, M.; Lane, H.; Cerezo, A.; Smith, W., G D |
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3-D atom probe studies of some nanostructured materials |
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Journal Article |
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2000 |
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Materials Science Forum |
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Mater. Sci. Forum |
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343 |
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701-708 |
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9007 |
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Bitar, L.; Serena, P. A.; Garcia-Mochales, P.; Garcia, N.; Binh, V. T. |
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Mechanism for diffusion of nanostructures and mesoscopic objects on surfaces |
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Journal Article |
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1995 |
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Surface Science |
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Surf. Sci. |
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339 |
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221-232 |
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Field Emission |
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2826 |
| Permanent link to this record |
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Engdahl, T.; Hansen, V.; Warren, P. J.; Stiller, K. |
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Investigation of fine scale precipitates in Al-Zn-Mg alloys after various heat treatments |
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Journal Article |
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2002 |
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Materials Science and Engineering A |
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Mater. Sci. Eng. A |
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A327 |
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59-64 |
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9127 |
| Permanent link to this record |
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Zhang, Y.; Warren, P. J.; Cerezo, A. |
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Effect of Cu addition on nanocrystallisation of Al-Ni-Sm amorphous alloy |
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Journal Article |
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2002 |
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Materials Science and Engineering A |
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Mater. Sci. Eng. A |
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A327 |
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109-115 |
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9136 |
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