TTP curve of 7055 aluminum alloy and its application
摘要
The temperature—time—property(TTP) curve of 7055 aluminum alloy was evaluated by interrupted quenching method.The results show that the critical temperature range is 210420℃ with the nose temperature of about 355℃.Combined with measured cooling curves,the TTP curve was used to predict the influence of quenching rate on the hardness of 7055 aluminum alloy by quench factor analysis method.And the predicted results agree reasonably well with the measured values.The quenching rate through the critical temperature range has great influence on the hardness of the alloy,and that must be larger than 500℃/s in order to attain the highest hardness.
引用本文（GB/T 7714）
Xiaoyan Zhang. TTP curve of 7055 aluminum alloy and its application[J]. The Chinese Journal of Nonferrous Metals, 2006.
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