Education relating to grain size measurement of metal parts By several methods.The image is used in the measurement, which will vary according to the particular way that defined conditions. They have a similar value.
A study on measuring the size of a grain of metal. In many ways, the figure used to measure it. It varies according to how it is defined. The value will be the same.
Study on measurement of grain size of metal targets by many ways.The images used in measurement. It will vary in accordance with the method that set. The values that are very similar.