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| PHOSPHOROUS DISTRIBUTION IN Pd_(40)Ni_(40)P_(20) ALLOY SOLIDIFIED UNDER MICROGRAVITY CONDITION |
| SUN Liling; WU Qi; QIN Zhicheng; WANG Wenkui(Institute of Physics; Chinese Academy of Sciences; Beijing 100080)(Centre of International Material Physics; Shenyang 110015)(Manuscript received 1995-09-15; in revised form 1995-12-20) |
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Cite this article:
SUN Liling; WU Qi; QIN Zhicheng; WANG Wenkui(Institute of Physics; Chinese Academy of Sciences; Beijing 100080)(Centre of International Material Physics; Shenyang 110015)(Manuscript received 1995-09-15; in revised form 1995-12-20). PHOSPHOROUS DISTRIBUTION IN Pd_(40)Ni_(40)P_(20) ALLOY SOLIDIFIED UNDER MICROGRAVITY CONDITION. Acta Metall Sin, 1996, 32(5): 474-478.
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Abstract Phosphorous atom distribution in Pd(40)N(40)P(20) alloy solidified in a China-made recoverable satellite was studied. It was found that the amount of phosphorus in the primary phase formed under μ-g is lower than that under l-g, but in the eutectic region under μ-g is higher than that under l-g. In addition, the microstructure morphology and phosphorous content of the phase, which appeared in the eutectic region and has the lattice of Pd-Ni solid solution, were changed remarkablely. The distribution regulation of solute atoms under μ-g and l-g was discussed and the behaviour of solute atoms (P) distribution in the alloy solidification process was analysed.
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Received: 18 May 1996
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