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利用差示扫描量热法研究了两种ＣｕＺｎＡｌＭｎＮｉ记忆合金以两种不同速率升温时的相变过程。发现升温速率为１０℃／ｍｉｎ时，ＤＳＣ曲线为单一大峰，而以０．１℃／ｍｉｎ的速率升温时出现许多连续或不连续的小峰。微观机理分析表明，诸多小峰是由合金内各微区相变点略有差异、相变不同步所形成的；单一大峰是在升温速率较快的条件下，各微区在较短时间内相继发生相变而形成的单一合成波。但相变热焓与升温速率无关。
The phase transitions of two CuZnAlMnNi memory alloys at two different rates of heating were investigated by differential scanning calorimetry. When the heating rate was 10 ℃ / min, the DSC curve showed a single major peak, while many small or continuous small peaks appeared at the rate of 0.1 ℃ / min. Micro-mechanism analysis shows that many small peaks are formed by the slight difference of phase transition points in each micro-zone and the asynchronous phase transition. The single large peak is formed in a relatively short period of time under the condition of rapid heating rate A single composite wave formed by a phase change. However, the phase transition temperature has nothing to do with the heating rate.