Grain growth in the two-phase Al-Cu alloys |
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Authors: | P. K. Bakshi B. P. Kashyap |
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Affiliation: | (1) Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology, 400076 Bombay, India;(2) Present address: Department of Metallurgy, Government Engineering College, 492010 Raipur, India |
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Abstract: | Grain and phase growth in the two-phase Al-Cu alloys containing 6, 11, 1 7, 24 and 33 wt % Cu were investigated by annealing at 535 °C for 0.5–100 h. The grain and phase sizes of the phase are seen to be larger than that of the phase. The size of phase decreases whereas the size of phase increases with increasing copper content in the alloy. As such, the phase- and grain-size distributions are broader than the phase- and grain-size distributions, but the size range depends on annealing time and alloy composition. The grain sizes of the ,d , and ,d , phases can be related to the volume fraction of the phase,f , according to the equationd = 0.497d /f . |
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