SCIENCE+ENGR.OF MTRLS.-MINDTAP (6 MTHS)
7th Edition
ISBN: 9781305499119
Author: ASKELAND
Publisher: CENGAGE L
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Chapter 3, Problem 3.10P
To determine
Number of grains in the microstructure of a polycrystalline stainless-steel material
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5.Fill in the blank with the following:
[grain boundary, dislocation, coarse, stronger]
A fine-grained material (one that has small grains) is harder and
that is
than one
-grained, because the former has a greater total
movement.
area to impede
cimer
b- 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?
Briefly explain the ASTM grain-size standard
Chapter 3 Solutions
SCIENCE+ENGR.OF MTRLS.-MINDTAP (6 MTHS)
Ch. 3 - Prob. 3.1PCh. 3 - Prob. 3.2PCh. 3 - Prob. 3.3PCh. 3 - What is a polycrystalline material?Ch. 3 - Prob. 3.5PCh. 3 - Prob. 3.6PCh. 3 - Prob. 3.7PCh. 3 - Prob. 3.8PCh. 3 - Prob. 3.9PCh. 3 - Prob. 3.10P
Ch. 3 - Prob. 3.11PCh. 3 - Prob. 3.12PCh. 3 - Prob. 3.13PCh. 3 - Prob. 3.14PCh. 3 - Prob. 3.15PCh. 3 - Prob. 3.16PCh. 3 - Prob. 3.17PCh. 3 - Prob. 3.18PCh. 3 - Prob. 3.19PCh. 3 - Prob. 3.20PCh. 3 - Prob. 3.21PCh. 3 - Prob. 3.22PCh. 3 - Prob. 3.23PCh. 3 - Prob. 3.24PCh. 3 - Prob. 3.25PCh. 3 - Aluminum foil used to package food isapproximately...Ch. 3 - Prob. 3.27PCh. 3 - Prob. 3.28PCh. 3 - Thoria or thonrium dioxide can be describedas an...Ch. 3 - Prob. 3.30PCh. 3 - Prob. 3.31PCh. 3 - Prob. 3.32PCh. 3 - Prob. 3.33PCh. 3 - Prob. 3.34PCh. 3 - Prob. 3.35PCh. 3 - Prob. 3.36PCh. 3 - Prob. 3.37PCh. 3 - Prob. 3.38PCh. 3 - Prob. 3.39PCh. 3 - Prob. 3.40PCh. 3 - Prob. 3.41PCh. 3 - Prob. 3.42PCh. 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. 3.54PCh. 3 - Prob. 3.55PCh. 3 - Prob. 3.56PCh. 3 - Prob. 3.57PCh. 3 - Prob. 3.58PCh. 3 - Prob. 3.59PCh. 3 - Prob. 3.60PCh. 3 - Prob. 3.61PCh. 3 - Prob. 3.62PCh. 3 - Prob. 3.63PCh. 3 - Prob. 3.64PCh. 3 - Prob. 3.65PCh. 3 - Prob. 3.66PCh. 3 - Prob. 3.67PCh. 3 - Prob. 3.68PCh. 3 - Prob. 3.69PCh. 3 - Prob. 3.70PCh. 3 - Prob. 3.71PCh. 3 - Prob. 3.72PCh. 3 - Prob. 3.73PCh. 3 - Prob. 3.74PCh. 3 - Prob. 3.75PCh. 3 - Prob. 3.76PCh. 3 - Determine the planar density and packing fraction...Ch. 3 - Prob. 3.78PCh. 3 - Prob. 3.79PCh. 3 - Prob. 3.80PCh. 3 - Prob. 3.81PCh. 3 - Prob. 3.82PCh. 3 - Prob. 3.83PCh. 3 - Prob. 3.84PCh. 3 - Prob. 3.85PCh. 3 - Prob. 3.86PCh. 3 - Prob. 3.87PCh. 3 - Prob. 3.88PCh. 3 - Prob. 3.89PCh. 3 - Prob. 3.90PCh. 3 - Prob. 3.91PCh. 3 - MgO, which has the sodium chloride structure, has...Ch. 3 - Prob. 3.93PCh. 3 - Prob. 3.94PCh. 3 - Prob. 3.95PCh. 3 - Prob. 3.96PCh. 3 - Prob. 3.97PCh. 3 - Prob. 3.98PCh. 3 - Prob. 3.99PCh. 3 - Prob. 3.100PCh. 3 - Prob. 3.101DPCh. 3 - You want to design a material for making kitchen...Ch. 3 - Prob. 3.103CPCh. 3 - Prob. 3.104CPCh. 3 - Prob. 3.1KP
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- Question 3: Determine the ASTM grain-size number if 30 grains per square inch are measured at a of 250x magnificationarrow_forwardIf 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.arrow_forward4-58arrow_forward
- b. Figure 2 shows another ball-and-stick model of a very small crystal of a- Polonium, but this crystal contains one edge dislocation. Answer the questions. Figure 2: If the edge dislocation moves by slip or glide by one unit of b from left to right, how many bonds will be broken to achieve this outcome? Answer: To move the dislocation from its current position (Fig. 2) to the far right (so that a small step of size b appears at the right-side face), how many bonds will be broken? Answer:arrow_forward4-59arrow_forwardChromium (Cr) has the Body-Centered Cubic (BCC) crystal structure. The edge length is a 0.288 nm. What is the linear density in atoms/nm along direction [111P Select one: O a. 7.48 b. 3.18 c. 6.37 d. 4.50 O e. 4.01 Europium has the Body-Centered Cubic (BCC) crystal structure shown in the figure below The radius of the Europium atom is r= 0.204 nm. What is the planar density in atoms/nm im plane (200)2 Plare(200)arrow_forward
- Assume that 16 grains per square inch are counted in a micrograph taken at 250X.What is the ASTM number for grain size?arrow_forwardQuestion-9 Draw, inside cubic unit cells, planes that have the following Miller indices. (2) (1īT) (ь) (121) (e) (321) (d) (20 ī)arrow_forwardPlease solve these two for mearrow_forward
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