在两种不同晶界状态下研究了Fe-Cr15-Ni25合金的蠕变裂纹扩展行为。单相合金的空洞在晶界三叉点处形核,而对晶界上有碳化物析出的合金,空洞在晶界碳化物上形核。晶界碳化物阻碍了空洞的长大和连接,因而大大提高了蠕变裂纹扩展抗力。
The cavities nucleate at the triple junctions of grain boundaries insingle phase Fe-Cr15-Ni25 alloy, but at carbide in such alloy that the carbide pre-cipitated along grain boundary. The boundary carbide may retard the growth andinterlinkage of cavities, so as to improve remarkably the resistance to creep crackgrowth.
参考文献
| [1] | |
| [2] | |
| [3] |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%