A steel bolt of diameter 10 mm passes through a brass tube of internal diameter 15 mm and external diameter 25 mm. The bolt is tightened by a nut so that the length of tube is reduced by 1.5 mm. If the temperature of the assembly is raised by 40°C, estimate the axial stresses the bolt and the tube before and after heating. Material properties for steel and brass are: Es=2×10' N/mm² a = 1.2x10 5/° C and E= 1×105 N/mm² -1.9×10-15°C

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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10.
A steel bolt of diameter 10 mm passes through a brass tube of internal
diameter 15 mm and external diameter 25 mm. The bolt is tightened by a nut
so that the length of tube is reduced by 1.5 mm. If the temperature of the
assembly is raised by 40°C, estimate the axial stresses the bolt and the tube
before and after heating. Material properties for steel and brass are:
Es=2x10' N/mm² a = 1.2x10 / C and E= 1×105 N/mm² α-1.9×10-¹5°C
Transcribed Image Text:10. A steel bolt of diameter 10 mm passes through a brass tube of internal diameter 15 mm and external diameter 25 mm. The bolt is tightened by a nut so that the length of tube is reduced by 1.5 mm. If the temperature of the assembly is raised by 40°C, estimate the axial stresses the bolt and the tube before and after heating. Material properties for steel and brass are: Es=2x10' N/mm² a = 1.2x10 / C and E= 1×105 N/mm² α-1.9×10-¹5°C
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