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Barnett, D. M.; Lee, J. K.; Aaronson, H. I.; Russell, K. C. |
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Publication |
Strain Energy of a Coherent Ellipsoidal Precipitate |
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Journal Article |
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1974 |
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Abstract |
Scripta Metallurgica |
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8 |
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12 |
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1447-1450 |
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Mit,Dept Met & Mat Sci,Cambridge,Ma 02139
Michigan Technol Univ,Dept Met Engn,Houghton,Mi 49931
Mit,Ctr Mat Sci & Engn,Cambridge,Ma 02139
Stanford Univ,Dept Mat Sci,Stanford,Ca 94305 |
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Times Cited: 54
Article
English
Cited References Count: 8
V0806 |
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refbase @ user |
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951 |
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Chan, K. S.; Lee, J. K.; Shiflet, G. J.; Russell, K. C.; Aaronson, H. I. |
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Generalization of Nucleus Shape-Dependent Parameters in the Nucleation Rate Equation |
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Journal Article |
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1978 |
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Metallurgical Transactions a-Physical Metallurgy and Materials Science |
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9 |
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7 |
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1016-1017 |
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Chan, K. S.
Michigan Technol Univ,Dept Met Engn,Houghton,Mi 49931
Mit,Ctr Mat Sci,Cambridge,Ma 02139
Mit,Dept Mat Sci & Engn,Cambridge,Ma 02139 |
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Times Cited: 4
Note
English
Cited References Count: 10
Fj502 |
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refbase @ user |
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1016 |
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Chung, S. C.; Han, S. Z.; Lee, H. M.; Kwon, H. S. |
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Coarsening Phenomenon of L1$_2$ Precipitates in Rapidly Solidified Al-3at.%(Ti,V,Zr) System |
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Journal Article |
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1995 |
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Scripta Metallurgica et Materialia |
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Scripta Metall. Mater. |
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33 |
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687-693 |
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1028 |
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Han, S. Z.; Chung, S. C.; Lee, H. M. |
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Alloy Design and Coarsening Phenomenon of L1$_2$ Precipitates in High-Temperature Al-2at.%(Ti,V,Zr) Systems |
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Journal Article |
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1995 |
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Metallurgical and Materials Transactions A |
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20 |
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1633-1639 |
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v-zr alloys
ti
behavior
elements
phase
do22
l12 |
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Aging works of two melt-spun Al-2 at pet (Ti,V,Zr) alloys showed that metastable Ll(2)Al(3)(Ti,V,Zr) precipitates were dominant and did not transform to stable DO23 ones: the average radius was 3 to 4 nm and the interparticle spacing was 10 to 30 nm at 698 K up to 400 hours. Coarsening kinetics was found to be very sluggish and was coincident with the low lattice mismatch. Due to the low coarsening rate and the high thermal. stability of the precipitated phase, rapidly solidified Al-Ti-V-Zr systems show promise as base of high-strength Al alloys for high-temperature applications. |
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Times Cited: 7
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English
Cited References Count: 26
Rj768 |
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refbase @ user |
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1169 |
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Han, S. Z.; Park, S. I.; Huh, J. S.; Lee, Z. H.; Lee, H. M. |
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Lattice Matching of D0$_{23}$ and D0$_{22}$ Phases in Al-6at.%(Ti,V,Zr) Systems |
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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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100-106 |
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refbase @ user |
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1170 |
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Han, S. Z.; Rho, B. S.; Lee, H. M.; Choi, S. K. |
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Effect of Alloyed Ti:Zr ratio on Phase Stability of Al$_{66}$Mn$_9$(Ti,Zr)$_{25}$ Intermetallic Compounds |
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Journal Article |
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1996 |
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Intermetallics |
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4 |
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3 |
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245-249 |
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hardness
phase stability
compositional variation effects
zirconium trialuminides
l12 compounds
cubic phases
al3ti
deformation
behavior
do22
al66ti25mn9
strength
systems |
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The tetragonal Al-3(Ti1-xZrx) phase is transformed by the addition of 9% Mn to the cubic L1(2)-type Al66Mn9(Ti1-xZrx)(25) with a small amount of second phases such as Al8Mn5 and Al2Zr still existing in the as-cast condition. Second phases disappear when intermetallic compounds are homogenized at 1000 degrees C for 24 h, and alloys are of the monolithic L1(2) phase with compositional variations still existent. The combined addition of Ti and Zr is found to reduce the hardness of intermetallic alloys compared to the addition of Ti or Zr alone. The Al66Mn9(Ti, Zr)(25) phase is found to be structurally stable but compositionally unstable. |
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Korea Adv Inst Sci & Technol,Dept Mat Sci & Engn,Taejon 305701,South Korea |
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Times Cited: 3
Article
English
Cited References Count: 22
Tx119 |
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refbase @ user |
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1171 |
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Johnson, W. C.; Lee, J. K. |
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The Elastic Field of an Inhomogeneous System |
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Book Chapter |
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1982 |
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Solid-State Phase Transformations |
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151-155 |
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The Metallurgical Society of AIME |
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Warrendale |
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Aaronson, H. I.; Laughlin, D. E.; Sekerka, R. F.; Wayman, C. M. |
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W.C. Johnson and J.K. Lee, "The elastic field of an inhomogeneous system," in Proc. Internat. Conf. on Solid-solid Phase Transformations, eds. H.I. Aaronson, D.E. Laughlin, R.F. Sekerka, and G.M. Wayman (TMS-AIME, 1982) pp. 151-155. |
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refbase @ user |
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1253 |
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Kim, B. J.; Moon, K. I.; Lee, K. S. |
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The Effect of the Third-Element Addition on the Fatigue Properties of Mechanically Alloyed Al-Ti Alloys |
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Journal Article |
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1999 |
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Journal of Alloys and Compounds |
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292 |
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1-2 |
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174-180 |
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al-ti alloys
al-ti-x (x=b, v, zr, ce) alloys
fatigue properties
mechanical alloying
lattice-parameters |
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AI-Ti-X (X=B, V, Zr, Ce) alloys were prepared by mechanical alloying and their fatigue properties were examined at room temperature, 300 degrees C and 400 degrees C. MA Al-Ti alloys showed fatigue strengths competitive with those of conventional precipitation hardened Al alloys (Al 7075, Al 2024) and the addition of third elements further improved the fatigue strength of MA alloys. As the temperature was increased to 300 degrees C and 400 degrees C, a decrease in fatigue strength was observed but the general trend in fatigue properties was the same as that at room temperature. The fatigue strength of AI-TI-X alloys, except for the Ce-added alloy, was enhanced compared with AI-Ti alloy because the third element addition reduced the lattice mismatch between Al and AI,Ti effectively and thus maintained the fine particle size of dispersoids. AI-Ti-X alloy showed the smallest precipitate size and the best room and high temperature fatigue strengths. The fatigue ratio of MA Al-Ti alloys was about 0.4 and improved slightly with temperature. The fracture mode of MA Al-Ti alloys was thought to be intergranular failures, in some cases involving also the interface between the matrix and the dispersoids. (C) 1999 Elsevier Science S.A. All rights reserved. |
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Moon, K. I.
Hanyang Univ, Dept Met Engn, Seoul 133791, South Korea
Hanyang Univ, Dept Met Engn, Seoul 133791, South Korea |
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Times Cited: 3
Article
English
Cited References Count: 17
253md |
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refbase @ user |
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1279 |
| Permanent link to this record |
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Lee, H. M. |
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Design of High-Temperature High-Strength Al-Ti-V-Zr Alloys |
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Journal Article |
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1990 |
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Scripta Metallurgica et Materialia |
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Scripta Metall. Mater. |
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24 |
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12 |
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2443-2446 |
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Times Cited: 23
Article
English
Cited References Count: 21
El505 |
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refbase @ user |
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1324 |
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Lee, H. M. |
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Design of Al$_3$(Ti,V,Zr) Systems through Phase-Stability Calculations |
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Journal Article |
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1992 |
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Materials Science and Engineering A |
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Mater. Sci. Eng. A |
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152 |
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1-2 |
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26-30 |
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refbase @ user |
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1325 |
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