8.15 List four major differences between defor- mation by twinning and deformation by slip relative to mechanism. conditions of occur- rence, and final result. 8.17 Briefly explain why HCP metals are typically more brittle than FCC and BCC metals. 8.5  a) Define a slip system. ) Do all Do all metals have the same slip system? Why or why not? " 8.42 Briefly explain how each of the following influences the tensile modulus of a semicrys- talline polymer and why: (a) molecular weight; (b) degree of crystallinity; (c) deformation by drawing: (d) annealing of an undeformed material; (e) annealing of a drawn material.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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8.15 List four major differences between defor- mation by twinning and deformation by slip relative to mechanism. conditions of occur- rence, and final result.

8.17 Briefly explain why HCP metals are typically more brittle than FCC and BCC metals.

8.5  a) Define a slip system. ) Do all Do all metals have the same slip system? Why or why not? "

8.42 Briefly explain how each of the following influences the tensile modulus of a semicrys- talline polymer and why:

(a) molecular weight;

(b) degree of crystallinity;

(c) deformation by drawing:

(d) annealing of an undeformed material;

(e) annealing of a drawn material.

85 (a) Define a slip system.
line motion.
dir
) Do all metals have the same slip system?
Why or why not?
A Compare planar densitios (S
Transcribed Image Text:85 (a) Define a slip system. line motion. dir ) Do all metals have the same slip system? Why or why not? A Compare planar densitios (S
8.15 List four major differences between defor-
mation by twinning and deformation by slip
relative to mechanism, conditions of occur-
rence, and final result.
B.16 Briefly explain why small-angle grain bound-
aries are not as effective in interfering with
the slip process as are high-angle grain
boundaries.
8.17 Briefly explain why HCP metals are typically
more brittle than FCC and BCC metals.
Transcribed Image Text:8.15 List four major differences between defor- mation by twinning and deformation by slip relative to mechanism, conditions of occur- rence, and final result. B.16 Briefly explain why small-angle grain bound- aries are not as effective in interfering with the slip process as are high-angle grain boundaries. 8.17 Briefly explain why HCP metals are typically more brittle than FCC and BCC metals.
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