EBK MANUFACTURING PROCESSES FOR ENGINEE
6th Edition
ISBN: 9780134425115
Author: Schmid
Publisher: YUZU
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Chapter 3, Problem 3.53P
To determine
The ASTM grain size number and the metric grain size number can be used interchangeably.
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If 32 grains per square inch are measured at a
magnification of 800x in a hypothetical metal's
micrograph,
Determine the ASTM grain size
number.
Round-off to the nearest whole number.
How many grains would there be per
square inch if the magnification is
200x?
Round-off to the nearest whole number.
For a certain palladium micrograph we have that the ASTM grain size number is 11. Determine the number of grains/in² if a) the
magnification is 250x and b) if the magnification is 10x.
Briefly explain the ASTM grain-size standard
Chapter 3 Solutions
EBK MANUFACTURING PROCESSES FOR ENGINEE
Ch. 3 - Prob. 3.1QCh. 3 - Prob. 3.2QCh. 3 - Prob. 3.3QCh. 3 - Prob. 3.4QCh. 3 - Prob. 3.5QCh. 3 - Prob. 3.6QCh. 3 - Prob. 3.7QCh. 3 - Prob. 3.8QCh. 3 - Prob. 3.9QCh. 3 - Prob. 3.10Q
Ch. 3 - Prob. 3.11QCh. 3 - Prob. 3.12QCh. 3 - Prob. 3.13QCh. 3 - Prob. 3.14QCh. 3 - Prob. 3.15QCh. 3 - Prob. 3.16QCh. 3 - Prob. 3.17QCh. 3 - Prob. 3.18QCh. 3 - Prob. 3.19QCh. 3 - Prob. 3.20QCh. 3 - Prob. 3.21QCh. 3 - Prob. 3.22QCh. 3 - Prob. 3.23QCh. 3 - Prob. 3.24QCh. 3 - Prob. 3.25QCh. 3 - Prob. 3.26QCh. 3 - Prob. 3.27QCh. 3 - Prob. 3.28QCh. 3 - Prob. 3.29QCh. 3 - Prob. 3.30QCh. 3 - Prob. 3.31QCh. 3 - Prob. 3.32QCh. 3 - Prob. 3.33QCh. 3 - Prob. 3.34QCh. 3 - Prob. 3.35QCh. 3 - Prob. 3.36QCh. 3 - Prob. 3.37QCh. 3 - Prob. 3.38QCh. 3 - Prob. 3.39QCh. 3 - Prob. 3.40QCh. 3 - Prob. 3.41QCh. 3 - Prob. 3.42QCh. 3 - Prob. 3.43PCh. 3 - Prob. 3.44PCh. 3 - Prob. 3.45PCh. 3 - Prob. 3.46PCh. 3 - Prob. 3.47PCh. 3 - Prob. 3.48PCh. 3 - Prob. 3.49PCh. 3 - Prob. 3.50PCh. 3 - Prob. 3.51PCh. 3 - Prob. 3.52PCh. 3 - Prob. 3.53PCh. 3 - Prob. 3.54P
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- Determine the ASTM grain size number of a metal specimen if 25 grains per square inch are measured at a magnification of 100x Solution please. Thankyouarrow_forwardThe following is a schematic micrograph that represents the microstructure of some hypothetical metal. 100 μη Determine the following: (a) Mean intercept length (b) ASTM grain size number, Garrow_forwardIn an measurement with 100× magnification factor on metal specimen, 65 grains per square inch are observed. Determine the ASTM grain size number of the specimen.arrow_forward
- For an ASTM grain size of 6, approximately how many grains would there be per square inch under each of the following conditions? (i) At a magnification of 100X (ii) Without any magnificationarrow_forwardb- An ASTM grain size determination is being made from a photomicrograph of a metal which has a magnification of 500X. What is the ASTM grain size number of the metal if there are 64 grains per square inch?arrow_forwardAssume that 16 grains per square inch are counted in a micrograph taken at 250X.What is the ASTM number for grain size?arrow_forward
- Sometimes, in the equation for resolved shear stress in a single crystal, the term cos cos is termed the Schmid factor. Determine the magnitude of the Schmid factor for an FCC single crystal oriented with its [100] direction parallel to the loading axis.arrow_forward4.48 Determine the ASTM grain-size number if 30 grains per square inch are measured at a mag- nification of 250X.arrow_forwardDetermine the ASTM grain size number if 90 grains per square inch are measured at a magnification of 55×. In this problem, you are asked to find the ASTM grain size number given the number of grains per square inch and the magnification. Solve Equation 4.18 (below) for G.arrow_forward
- Question 3: Determine the ASTM grain-size number if 30 grains per square inch are measured at a of 250x magnificationarrow_forwardDetermine the ASTM grain size number if 32 grains per square inch are measured at a magnification of 260×arrow_forwardThe spacing between two adjacent (123) planes in a simple cubic crystal with the lattice parameter a=0.4 nm is _______ (nm). Draw [322] in a body centered cubic crystal. Draw (202) in a face centered cubic crystal. The planar density of (003) should be higher than that of (002) in a body centered cubic crystal. Ture___ or False____. You need to justify why to the answer.arrow_forward
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