Certain microalloyed steels contain small additions of vanadium or niobium that

Question

Certain microalloyed steels contain small additions of vanadium or niobium that permit the grain size to be reduced to about 2 ?m if the processing of the steel is carefully controlled. Likewise, advanced aluminum alloys containing special types of particles can be produced to yield a grain size of about 2 ?m. Suppose we reduce the grain size of steel and aluminum to 2 ?m by such processing would a substantial increase in the strengths of these material result? To what levels should the grain size be reduced to obtain significant strength increase in the two materials?

Explanation / Answer

yes, with decrease in grain size the strength of the material with increase. The more finer are the grains better will the material strength.

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