The main steps ofspecimenpreparation and the imaging conditions of beam tilt method were given.
着重叙述和讨论了样品制备的主要环节和倾斜照明法的成象条件。
2
Introduce the preparation for metallographic specimenof thermo-spraying process coat and explain some technical questions.
对热喷涂层金相试样制备进行了介绍，并对一些技术问题给予提示。
3
Conventional methods for the elemental analysis of materials often require a contact to the specimen and a time-consuming mechanical sample preparation.