奥氏体析出相激发形核的原位<strong>TEM</strong>研究

奥氏体析出相激发形核的原位TEM研究

杜娟,程晓行,杨天南,陈龙庆,Mompiou Frédéric,张文征

In Situ TEM Study on the Sympathetic Nucleation of Austenite Precipitates

Juan DU,Xiaoxing CHENG,Tiannan YANG,Longqing CHEN,Frédéric Mompiou,Wenzheng ZHANG

表3 原位先驱奥氏体γ₁和γ₄的O线解计算结果^[34]及其宏观不变平面应变(P₁)的相关参量

Parameter	O-line solution for γ₁	O-line solution for γ₄
x_in	[0.32 $\overset{ˉ}{0.79}$ 0.52]_b	[ $\overset{ˉ}{0.21}$ 0.83 0.52]_b
OR	(111)_b~∥(011)_f, 0.4°	(111)_b~∥(0 $\overset{ˉ}{1}$ 1)_f, 0.4°
OR	[100]_b~∥[1 $\overset{ˉ}{1}$ 0]_f, 2.3°	[ $\overset{ˉ}{1}$ 00]_b~∥[1 $\overset{ˉ}{1}$ 0]_f, 1.5°
Habit plane (p₁)	( $\overset{ˉ}{0.11}$ 0.51 0.85)_b	(0.07 $\overset{ˉ}{0.52}$ 0.85)_b
b	[100]_b\|[1 $\overset{ˉ}{1}$ 0]_f	[100]_b\|[1 $\overset{ˉ}{1}$ 0]_f
D / nm	2.2	2.2
d₁	[0.95 $\overset{ˉ}{0.19}$ 0.22]_b	[ $\overset{ˉ}{0.98}$ 0.13 0.15]_b
m₁	1.1093	1.6621