《Table 1 Cubic rate constants and activation energy of oxidation for Ni Ti alloy》

《Table 1 Cubic rate constants and activation energy of oxidation for Ni Ti alloy》   提示:宽带有限、当前游客访问压缩模式
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《低氧分压下NiTi记忆合金的氧化行为(英文)》


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The chemical composition of the oxide scale was analyzed by EDS,and the results are listed in Table 2.The Ni content of the sample oxidized at 400°C is very high,probably because the oxide scale formed at this temperature is very thin,and the composition of the base alloy is detected.For the samples oxidized at 500,600,and 700°C,their composition is similar,which mainly consists of Ti and O.Furthermore,the atomic ratio of Ti to O is close to 1:2,which is consistent with the stoichiometric ratio of Ti O2.Although the alloys contain a large amount of Ni,no Ni is detected in the scale.This finding reflects the difference in the oxygen affinity between Ti and Ni.