EBK MANUFACTURING PROCESSES FOR ENGINEE
6th Edition
ISBN: 9780134425115
Author: Schmid
Publisher: YUZU
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Chapter 4, Problem 4.48Q
To determine
The nondestructive inspection techniques that are suitable for non metallic materials and why.
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What exactly is stress testing, and how does it help?
Given your understanding of what initiates and controls failure in materials, which of the following will increase the failure strength or lifetime
of a test piece or component and why?
a. Polishing to reduce surface defects
b. Decreasing the temperature below the brittle-ductile transition temperature, to make it harder
C. Increasing its volume, to give a larger cross sectional area
d. Increasing the grain size so there are less grain boundaries to initiate failure
e. Decreasing the difference between the maximum and minimum stress values, as this effects the stress concentration factor
Given your understanding of what initiates and controls failure in materials, which of the following will reduce the failure strength or lifetime of a
test piece and why?
a.
(more than one answer is possible for this question. marks will only be awarded for the question if all the correct options are selected (i.e. 'all or
nothing' marking scheme).
b.
LUS
C.
d.
Increasing its volume, greater likelihood of critical defects
Decreasing the loading frequency, the material will be at peak stress values for longer
Decreasing the grain size, more grain boundaries to initiate failure
Increasing the difference between the maximum and minimum stress values, as this affects the stress concentration factor
Recent M
Raising the temperature above the BDTT, more plastic deformation in the lattice will cause it to fail faster
G
Chapter 4 Solutions
EBK MANUFACTURING PROCESSES FOR ENGINEE
Ch. 4 - Prob. 4.1QCh. 4 - Prob. 4.2QCh. 4 - Prob. 4.3QCh. 4 - Prob. 4.4QCh. 4 - Prob. 4.5QCh. 4 - Prob. 4.6QCh. 4 - Prob. 4.7QCh. 4 - Prob. 4.8QCh. 4 - Prob. 4.9QCh. 4 - Prob. 4.10Q
Ch. 4 - Prob. 4.11QCh. 4 - Prob. 4.12QCh. 4 - Prob. 4.13QCh. 4 - Prob. 4.14QCh. 4 - Prob. 4.15QCh. 4 - Prob. 4.16QCh. 4 - Prob. 4.17QCh. 4 - Prob. 4.18QCh. 4 - Prob. 4.19QCh. 4 - Prob. 4.20QCh. 4 - Prob. 4.21QCh. 4 - Prob. 4.22QCh. 4 - Prob. 4.23QCh. 4 - Prob. 4.24QCh. 4 - Prob. 4.25QCh. 4 - Prob. 4.26QCh. 4 - Prob. 4.27QCh. 4 - Prob. 4.28QCh. 4 - Prob. 4.29QCh. 4 - Prob. 4.30QCh. 4 - Prob. 4.31QCh. 4 - Prob. 4.32QCh. 4 - Prob. 4.33QCh. 4 - Prob. 4.34QCh. 4 - Prob. 4.35QCh. 4 - Prob. 4.36QCh. 4 - Prob. 4.37QCh. 4 - Prob. 4.38QCh. 4 - Prob. 4.39QCh. 4 - Prob. 4.40QCh. 4 - Prob. 4.41QCh. 4 - Prob. 4.42QCh. 4 - Prob. 4.43QCh. 4 - Prob. 4.44QCh. 4 - Prob. 4.45QCh. 4 - Prob. 4.46QCh. 4 - Prob. 4.47QCh. 4 - Prob. 4.48QCh. 4 - Prob. 4.49QCh. 4 - Prob. 4.50QCh. 4 - Prob. 4.51QCh. 4 - Prob. 4.52QCh. 4 - Prob. 4.53QCh. 4 - Prob. 4.54QCh. 4 - Prob. 4.55QCh. 4 - Prob. 4.56QCh. 4 - Prob. 4.57PCh. 4 - Prob. 4.58PCh. 4 - Prob. 4.59PCh. 4 - Prob. 4.60PCh. 4 - Prob. 4.61PCh. 4 - Prob. 4.62PCh. 4 - Prob. 4.63PCh. 4 - Prob. 4.64PCh. 4 - Prob. 4.65PCh. 4 - Prob. 4.66PCh. 4 - Prob. 4.67PCh. 4 - Prob. 4.68PCh. 4 - Prob. 4.69PCh. 4 - Prob. 4.70PCh. 4 - Prob. 4.71P
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