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2 激发形核奥氏体γ₁~γ₄的晶体学特征

Parameter	γ₁	γ₂	γ₃	γ₄
OR	(011)_b~∥(111)_f 0.3°	(011)_b~∥(111)_f 0.2°	(0 $\overset{ˉ}{1}$ 1)_b~∥(111)_f 0.5°	(0 $\overset{ˉ}{1}$ 1)_b~∥(111)_f 0.2°
OR	[100]_b~∥[1 $\overset{ˉ}{1}$ 0]_f 1.6°	[ $\overset{ˉ}{1}$ 00]_b~∥[1 $\overset{ˉ}{1}$ 0]_f 1.6°	[100]_b~∥[1 $\overset{ˉ}{1}$ 0]_f 0.7°	[ $\overset{ˉ}{1}$ 00]_b~∥[1 $\overset{ˉ}{1}$ 0]_f 1.1°
Long axis	[0.32 $\overset{ˉ}{0.78}$ 0.53]_b	[0.26 $\overset{ˉ}{0.53}$ 0.81]_b	[ $\overset{ˉ}{0.05}$ 0.49 0.87]_b	[ $\overset{ˉ}{0.22}$ 0.82 0.53]_b
Habit plane	( $\overset{ˉ}{0.08}$ 0.54 0.84)_b (0.41 0.54 0.73)_f	- -	- -	(0.13 $\overset{ˉ}{0.52}$ 0.84)_b (0.37 0.56 0.74)_f