DIFFUSION-COEFFICIENT OF HYDROGEN IN PURE IRON BETWEEN 230-K AND 300-K

被引：67
|
作者：
HAGI, H
HAYASHI, Y
OHTANI, N
机构：
来源：
TRANSACTIONS OF THE JAPAN INSTITUTE OF METALS | 1979年 / 20卷 / 07期
关键词：
D O I：
10.2320/matertrans1960.20.349
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The diffusion coefficient in a single crystalline specimen is D(m**2/s) equals 1. 1 multiplied by 10** minus **7 exp ( minus 6700(J/mol)/RT) which agrees with high temperature values reported in the literature, but in a poly-crystalline specimen it is not expressed by a single Arrhenius equation. At 298 K, D is 7 multiplied by 10** minus **9 m**2/s, which is independent of grain boundaries and specimen thickness.
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页码：349 / 357
页数：9
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