Cp. Luo et al., A TEM METHOD FOR ACCURATE MEASUREMENT OF HABIT PLANE (INTERFACE) - DOUBLE EDGE-ON TRACE ANALYSIS, Progress in Natural Science, 7(6), 1997, pp. 742-748
A method oi trace analysis, the double edge-on one, is described and u
sed to accurately determine the habit plane and interface of lath-shap
ed or plate-like transformation products including Widmansttaten preci
pitate, lath martensite and bainite plate. The results of measurements
for four alloys and steels are presented; and the measured habit plan
e and interface were found in most cases in excellent agreement with t
he predictions from the relevant crystallographic theories of phase tr
ansformations.