A bimetallic strip is made from pieces of 2014-T6 aluminum

Chapter 6, Problem 6-130

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QUESTION:

A bimetallic strip is made from pieces of 2014-T6 aluminum and C83400 red brass, having the cross section shown. A temperature increase causes its neutral surface to be bent into a circular arc having a radius of 16 in. Determine the moment that must be acting on its cross section due to the thermal stress.

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QUESTION:

A bimetallic strip is made from pieces of 2014-T6 aluminum and C83400 red brass, having the cross section shown. A temperature increase causes its neutral surface to be bent into a circular arc having a radius of 16 in. Determine the moment that must be acting on its cross section due to the thermal stress.

ANSWER:

Problem 6-130A bimetallic strip is made from pieces of 2014-T6 aluminum and C83400 red brass, having thecross section shown. A temperature increase causes its neutral surface to be bent into a circulararc having a radius of 16 in. Determine the moment that must be acting on its cross section dueto the thermal stress. Step-by-step solution Step 1 of 7 ^Calculate the transformation factor by using the following relation: E n = br EalHere, n is the transformation factor, E is young’s modulus of steel, and E is young’s modulus al brof brass. 3 3Substitute 10.6 x 10 ksi for E aland 14.6 x 10 ksi for E . br n = 10.6 14.6 = 0.726

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