微合金化金基材料的研究进展
迟晓鹏,许佳妍,衷水平,陈秀华

Research Progress of Microalloyed Gold-based Materials
Xiaopeng CHI,Jiayan XU,Shuiping ZHONG,Xiuhua CHEN
表2 Au在稀土元素中的固溶度、原子尺寸差及电负性差(Ning,2005
Table 2 Solid solubility,atomic size difference and electronegativity difference of Au in rare earth elements(Ning,2005
稀土元素固溶度原子尺寸差/%电负差/(Δx
Sc8.813.90.63
Y2.025.00.70
La0.130.50.73
Ce0.126.70.69

Pr

Nd

Pm

Sm

Eu

Gd

Tb

Dy

Ho

Er

Tm

Yb(2)

Yb(3)

Lu

Au

0.1

0.2

-

0.3

0

0.7

1.5

2.3

3.92

5.7

6.5

6.9

-

7.7

-

26.6

26.5

25.7

25.3

41.8

25.1

23.8

23.2

22.7

22.0

21.3

34.7

20.8

20.5

-

0.70

0.71

-

0.72

0.70

0.70

0.69

0.69

0.69

0.68

0.68

0.91

0.69

0.68

-