Carbon segregation to grain boundaries in rapidly solidified Ni3Al
Carbon segregation to grain boundaries in rapidly solidified Ni3Al
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快速凝固 Ni3Al 中碳偏析至晶界
DOI:
10.1007/bf02645008
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发表时间:
1986
期刊:
影响因子:
--
通讯作者:
Shyh‐Chin Huang
中科院分区:
文献类型:
--
作者:
C. Briant;Shyh‐Chin Huang
It is interesting to notice that when t--~ 0 the functions 0~ and~ a--~ 0 and, consequently, C/r= C"~ and C/~= C~ Although this seems a reasonable result, it cannot be generally valid. This is demonstrated as follows. For times much shorter than the relaxation time for diffusion in the 3'layer, ie, for t~(l~) Z/D~, we can consider the a/7 or the Y/B interface as a joint without an intermediate layer and apply the expressions derived previously., z