采用扫描电镜和电子万能实验机，研究了合金元素对ZQA19 - 4合金显微组织和性能的影响。
The microstructures and properties of ZQA19-4 alloys were studied by Scanning electron Microscope (SEM) and electronic universal experimental machine.
电镀薄片可以用来制备光学显微镜、扫描电镜及透射电镜的观察样品，而且可以用来进行粉末的热片进及业余末的显微维氏硬度测试等实验。
The plated sheet can be used to prepare the specimen for optical microscopy, SEM and TEM, it can also be used for the heat-treatment and the microhardness test of the powders.
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