Question
Please answer all of the questions below and explain properly. The picture shows the grains in an Fe-Cr alloy. a) Use the cut-off method and
Please answer all of the questions below and explain properly.
The picture shows the grains in an Fe-Cr alloy.
a)
Use the cut-off method and split up the light microscope image below in at least 7 parts and calculate the average grain size in mm. The dimensions of the picture are 60 x 70 mm.
b)
Calculate the ASTM grain size number for this the material at a magnification of 100X according to ASTM (American Society for Testing and Materials).
c)
What does the ASTM grain size number tell us?
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Introduction To Chemical Engineering Thermodynamics
Authors: J. M. Smith, Hendrick C Van Ness, Michael Abbott, Hendrick Van Ness
6th Edition
0072402962, 978-0072402964
