首页> 外文会议>3rd International Conference on High Temperature Capillarity HTC-2000, 3rd, Nov 19-22, 2000, Kurashiki, Japan >MEASUREMENTS OF SOLID-VAPOR DIHEDRAL ANGLES FOR Cu AND Ni UNDER CONTROLLED OXYGEN PARTIAL PRESSURE
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MEASUREMENTS OF SOLID-VAPOR DIHEDRAL ANGLES FOR Cu AND Ni UNDER CONTROLLED OXYGEN PARTIAL PRESSURE

机译:受控氧分压下Cu和Ni固相蒸气二面角的测量

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摘要

Interferometry was applied to measure the solid-vapor dihedral angle of Cu at 1273K and Ni from 1473 to 1723K under controlled oxygen partial pressure by CO_2/H_2 mixed gases. Grain boundary free energy of copper is hardly affected by oxygen partial pressure in the gas phase. In contrast with Cu, that for Ni shows a remarkable decrease with increasing the oxygen partial pressure.
机译:采用干涉法,通过控制CO_2 / H_2混合气体,在受控氧分压下,测量了Cu在1273K和Ni在1473K至1723K的固-汽二面角。铜的晶界自由能几乎不受气相氧分压的影响。与Cu相反,Ni随氧分压的增加而显着降低。

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