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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Solidus and liquidus of plutonium and uranium mixed oxide
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Solidus and liquidus of plutonium and uranium mixed oxide

机译：p和铀混合氧化物的固相线和液相线

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摘要

Solidus and liquidus of mixed oxides of plutonium and uranium were measured as a function of Pu-content and oxygen-to-metal ratio using the thermal arrest technique. The solidus and the liquidus were observed to decrease with increasing Pu-content and to slightly increase with decreasing oxygen-to-metal ratio in the region of hypo-stoichiometric composition. The solidus of UO_(2.00). (Pu_(0.12)U_(0.88))O_(2.00) and (Pu_(0.2)U_(0.8))O_(2.00) were determined as 3128, 3077 and 3052 K, respectively. The solidus and the liquidus of the mixed oxides with 29 and 40 at percent Pu were also measured. It was observed that a reaction with the tungsten capsule occurred during the measurement. Therefore, the solidus and the liquidus of the oxides with 29 and 40 at percent Pu could not be obtained.
机译：thermal和铀的混合氧化物的固相线和液相线使用热阻滞技术测量为Pu含量和氧金属比的函数。在低化学计量组成的区域中，观察到固相线和液相线随着Pu含量的增加而降低，并随着氧金属比的降低而略有增加。 UO_（2.00）的固相线。 （Pu_（0.12）U_（0.88））O_（2.00）和（Pu_（0.2）U_（0.8））O_（2.00）分别确定为3128 K，3077 K和3052 K.还测量了Pu含量为29和40的混合氧化物的固相线和液相线。观察到在测量期间与钨胶囊发生反应。因此，不能获得Pu为29和40原子百分比的氧化物的固相线和液相线。

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