On the Formation of UC<SUB>1-x</SUB> N<SUB>x</SUB>
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概要
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From the known values of the free energy of formation of several uranium compounds in the ternary system U-C-N, the condition of stable existence of the solid solution between UC and UN, UC1-xNx' was determined, and several ternary sections were obtained at constant temperature and constant nitrogen pressure.<BR>In order to examine these results, some experiments were carried out under several different conditions of temperature and nitrogen pressure.<BR>From these results, it is concluded that the stable compounds which exist in the ternary system U-C-N change from larger to smaller value of (log P<SUB>N2</SUB>)/T in the following order;<BR>(1) U<SUB>2</SUB>N<SUB>3</SUB> and carbon<BR>(2) UC<SUB>1-x</SUB>N<SUB>x</SUB> and carbon<BR>(3) UC<SUB>1-x</SUB>N<SUB>x</SUB> and carbon<BR>(4) UC<SUB>1-x</SUB>N<SUB>x'</SUB> UC2 and metallic uranium <BR>(5) Under the condition of high temperature and low pressure, that is, a very small ill valueof (log P<SUB>N2</SUB>)/T, tha range of stable existence of the solid solution, UC<SUB>1-x</SUB>N<SUB>x'</SUB> is very small.
- 一般社団法人 日本原子力学会の論文