用受迫振动法测量了夹角为60°和129.5°的铝双晶的内耗,都观测到一个温度内耗峰,峰巅温度是200℃左右(频率1Hz)激活能为0.88eV对于这个内耗峰的机制做了初步解释。
Internal friction of Al bicrystals with mis-orientation angles 60° and 129.5°was measured with forced-vibration method. Internal friction peaks vs temperature were ob-served around 200℃ (frequency 1Hz) with an activation energy of about 0.88 eV. Preliminarydiscussions were made on the mechanism of this internal friction peak.
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