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Brenner, S. S.; Kowalik, J.; Hua, M. – J. |
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FIM/atom probe analysis of a heat treated 7150 aluminum alloy |
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Journal Article |
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1991 |
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Abstract |
Surface Science |
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Corporate Author |
Surf. Sci. |
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246 |
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Atom Probe Field Ion Microscopy |
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4470 |
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Abe, T.; Brenner, S. S.; Soffa, W. A. |
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Decomposition of a Cu-Ni-Cr ternary alloy |
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Journal Article |
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1991 |
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Surface Science |
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Surf. Sci. |
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246 |
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1-3 |
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266-271 |
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Atom Probe Field Ion Microscopy |
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Atom-probe field-ion microscopy (APFIM) was employed to study the phase separation process in a Cu-33.3at%Ni-1.7at%Cr ternary alloy. Formation of the coherent second phase was clearly observed after aging for 15 min at 823 K. Although no discrete precipitates were recognized in the Ne-ion image before 15 min aging, APFIM results showed a broadening in the concentration fluctuations. A grand-canonical (Gaussian) distribution was used to described the time evolution of the frequency distribution of Ni in the composition profiles. From the logarithmic plot of the relative change in variance versus aging time, the relaxation time for the clustering of Ni was determined. |
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4478 |
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Jayaram, R.; Hren, J. J.; Miller, M. K. |
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APFIM/TEM characterization of solute partitioning in a model Ni-Mo-Al-Ta superalloy |
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Journal Article |
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1991 |
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Surface Science |
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Surf. Sci. |
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246 |
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atom probe field ion microscopy |
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4487 |
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Liu, W.; Ren, D. M.; Hu, B. Y. |
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Direct determination of microstructures by IAP FIM I. general idea and scheme |
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Journal Article |
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1991 |
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Surface Science |
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Surf. Sci. |
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246 |
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Field Ion Microscopy |
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4499 |
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Ren, D. M.; Liu, W.; Hu, B. Y. |
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Direct determination of microstructures by IAP FIM II. W bcc lattice determined by a manual method |
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Journal Article |
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1991 |
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Surface Science |
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Surf. Sci. |
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246 |
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Field Ion Microscopy |
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4500 |
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Hu, Q. - H.; Stiller, K.; Olsson, E.; Andren, H. - O.; Berastegui, P.; Johansson, G. |
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Synthesis and atom probe microanalysis of YBa2Cu306+d ceramics |
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Journal Article |
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1994 |
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Physica C |
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235-240 |
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431-432 |
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atom probe field ion microscopy |
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3362 |
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Brenner, S. S.; Goodman, S. R. |
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Experimental confirmation of the ion cluster BeH(H )+ |
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Journal Article |
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1972 |
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Nature Phys Sci |
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234 |
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calibration and charge state studies; Atom Probe Field Ion Microscopy |
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6447 |
| Permanent link to this record |
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Ren, D. G.; Liu, W. |
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A study of chemisorption behavior of carbon monoxide on rhodium surfaces |
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Journal Article |
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1990 |
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Surface Science |
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Surf. Sci. |
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232 |
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Atom Probe Field Ion Microscopy |
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4304 |
| Permanent link to this record |
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Liu, W.; Ren, D. M. |
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The surface structure effect on the chemisorption of Co on Rh |
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Journal Article |
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1990 |
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Surface Science |
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Surf. Sci. |
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232 |
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Atom Probe Field Ion Microscopy |
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4344 |
| Permanent link to this record |
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My, Yan; Langdon, Terence G. |
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Creep behavior of an Al-6061 metal matrix composite produced by liquid metallurgy processing |
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Journal Article |
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1997 |
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Materials Science and Engineering A |
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Mater. Sci. Eng. A |
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230 |
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1-2 |
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183-187 |
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Activation energy; Alumina microspheres; Aluminum composite; Creep; Stress exponent; Threshold stress |
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Constant stress creep tests were conducted on an Al-6061 metal matrix composite reinforced with alumina microspheres and produced using liquid metallurgy processing. By introducing a threshold stress into the creep analysis, it is concluded that creep occurs by viscous glide in the matrix with a stress exponent of ≈ 3 and an activation energy of ≈125 kJ mol−1. The threshold stress is probably associated with the presence of fine spinel crystals which have been identified in the matrix of the composite. |
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NU @ karnesky @ |
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715 |
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