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More Metallurgical Engineering Questions
What is the temperature range for CO where it can act as reducing agent for iron oxide reduction
Brazing is done at
Dissociation of a dislocation into two particals in an FCC metal is given by the following equation. $$\frac{a}{2}\left[ {1\overline 1 1} \right] \to \frac{a}{6}\left[ {2\overline 1 1} \right] + \frac{a}{6}\left[ {1\overline 2 \overline 1 } \right]$$ On which plane do these two partial dislocations lie?
The diffusion couple shown below is made from two A-B alloys. The initial compositions of the two alloys are indicated in the diagram. The centreline is at x = 0. The couple is held at an elevated temperature for 40 hours. Diffusivity; D = 3 × 10 -11 m -2 s -1 . Assume the diffusion couple to be infinitely long. Which of the parameters give the composition profile in the following form? $$C\left( {x,t} \right) + {c_1} + {c_2}\,erf\left( {\frac{1}{{2\sqrt {Dt} }}} \right)$$
Ultrasonic testing can be used for (choose the correct combination of the following statements P, Q, R, S): P. Quantitative analysis of phases Q. Determination of elastic constants R. Determination of endurance limit S. Detection of internal defects