The round bar shown (Figure 1) has a diameter of 6.4 cmcm and a length of 8 mm . The modulus of elasticity is E� = 130 GPaGPa and the linear coefficient of thermal expansion is 1.1×10−5 1K1K . Part A - Calculate thermal stress If the bar originally has no internal normal forces and the temperature decreases by ΔTΔ� = 28 KK , what is the thermal stress developed in the bar?

The round bar shown (Figure 1) has a diameter of 6.4 cmcm and a length of 8 mm . The modulus of elasticity is E� = 130 GPaGPa and the linear coefficient of thermal expansion is 1.1×10−5 1K1K . Part A - Calculate thermal stress If the bar originally has no internal normal forces and the temperature decreases by ΔTΔ� = 28 KK , what is the thermal stress developed in the bar?

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.5.7P: A W 8 × 28 beam of a length 10 ft is held between immoveable supports. The beam has a modulus of...

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Part A - Calculate thermal stress

If the bar originally has no internal normal forces and the temperature decreases by ΔTΔ� = 28 KK , what is the thermal stress developed in the bar?

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