用DSC,SEM,Curie温度和电阻测量等多种实验手段研究了非晶条带(Fe_(0.99)Mo_(0.01))_(78)Si_9B_(13)的低温退火脆性.发现其特征脆化温度约为244℃,产生了一个有序度增加的结构弛豫过程.同时,伴随有纳米颗位α-Fe(Si,Mo)多晶组织从非晶基体中析出.进一步提高退火温度,则由于新的有序原子团的出现,自由体积等可动单元再次增大,从而释放应力,恢复韧性.
Ductile-brittle (D-B) transition of(Fe_0.99Mo_0.01)_78Si_9B_13 amorphous ribbon annealed at 244℃ was investigated.D-B transition is associated with the precipitation of nanometer-sized polycrystallite α-Fe(Si,Mo) from amorphous matrix and void formation.
参考文献
[1] | |
[2] | |
[3] | |
[4] | |
[5] | |
[6] | |
[7] | |
[8] |
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%