Engineering, 02.11.2020 16:30 kkruvc
The following is a photomicrograph of the surface of a polished and etched polycrystalline specimen of an iron-chromium alloy with the grain boundaries revealed as dark lines. Determine: (i) the mean intercept length �� of the grains in millimeters, and (ii) the ASTM grain size number, G. (For part (i), use at least seven straight line segments for the determination).
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The following is a photomicrograph of the surface of a polished and etched polycrystalline specimen...
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