用差示量热法对7050铝合金组织转变动力学的研究[EB/OL]
北京:中国科技论文在线
) 摘要: 利用差示量热法(DSC)并结合JMA方程对淬火态(475℃/2h)7050铝合金的组织相转变动力学进行了分析和计算
同时得到了其相应的组织转变动力学方程
关键词: 差示量热法
) Abstract: A combination of DSC (Differential Scanning Calorimetric) techniques with Avrami-Johnson- Meh l (AJM) equation were used to investigate the kinetics of microstructure transformation of 7050 alloy
The results showed that, the activation energy of GP Ⅰ(367 ± 1K), η \\\n(507 ± 1K), η (524 ± 1K) were 76
5 ± 0
6,183
6 ± 2
1,666
6 ± 16Q/kJ • mol-1 , respectively
The constant of K0 were 5
48 × 1010, 5
48 × 1018, 3
14 × 1066 s-1
The equations of the corresponding kinetic were gain at the same time Keywords: Differential Scanning Calorimetric;7050 alloy;Kinetics;activation energy 下载PDF阅读器 PDF全文下载: 修改稿 1( 163 ) 初稿 ( 209 ) 作者简介: 通信联系人: 【收录情况】 中国科技论文在线: 万里