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用孟塞尔颜色系统和ＣＩＥ 色度学系统研究不同Ｉｎ 含量的Ｐｄ － Ｉｎ 合金的颜色变化及退火温度的影响， 发现含３６ ％ ～６０ ％ （ｗｔ％ 下同） Ｉｎ 的Ｐｄ － Ｉｎ 合金呈黄色或黄红色。在低温区观察Ｐｄ － Ｉｎ 合金的颜色变化， 随着退火温度的升高， 合金的彩度提高， 对光的反射率和明度反而降低。
The color change and annealing temperature of Pd - In alloys with different In contents were studied by Munsell color system and CIE colorimetric system. It was found that the Pd - In alloy containing 36% ~ 60% (wt% Yellow or yellow-red. The color change of Pd - In alloy was observed in the low temperature region. With the increase of the annealing temperature, the chroma of the alloy increased and the reflectivity and lightness of the light decreased.