Titanium aluminum alloys generate cracks due to ___________ particles.

1.	Titanium aluminum alloys generate cracks due to ___________ particles.
A.	Ti<sub>3</sub>Al
B.	Fe<sub>3</sub>N
C.	CuAl<sub>2</sub>
D.	Oxide inclusions
Answer» B. Fe<sub>3</sub>N

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