TiCu/Zn界面反应周期层片结构形成的热力学和动力学研究<sup>*</sup>

TiCu/Zn界面反应周期层片结构形成的热力学和动力学研究^*

吴长军, 朱晨露, 苏旭平, 刘亚, 彭浩平, 王建华

THERMODYNAMICAL AND KINETIC INVESTIGA-TION OF FORMATION OF PERIODIC LAYERED STRUCTURE IN TiCu/Zn INTERFACE REACTION

WU Changjun, ZHU Chenlu, SU Xuping, LIU Ya, PENG Haoping, WANG Jianhua

表1 450 ℃退火2 h后TiCu/Zn扩散区中各层的成分

Table 1 Chemical compositions of the noted layers in TiCu/Zn diffusion couple after annealing at 450 ℃ for 2 h corresponding to the positions in Fig. 3

Position	Phase	Ti	Cu	Zn
1	TiZn₃	21.8	6.1	72.1
2	Two phases	10.5	20.8	68.7
3	TiZn₃	22.8	3.3	73.9
4	γ	6.5	25.7	67.8
5	TiZn₃	22.8	3.1	74.1
6	γ	6.2	26.1	67.7
7	TiZn₃	21.8	2.7	75.5
8	Transition layer	4.5	18.0	77.5
9	Transition layer	19.3	2.0	78.7
10	Ti₃Zn₂₂	11.8	2.3	85.9
11	t	5.0	11.9	83.1
12	Ti₃Zn₂₂	11.2	2.0	86.8
13	t	4.3	8.5	87.2