An aluminium rod 20 mm in diameter is screwed at the ends and passes through a 25 mm bore steel tube 3 mm thick. Rigid washers and nuts are the fitted to the screwed ends of the aluminium rod and the whole system heated to 140°C, when the nuts on the rod are lightly tightened to take up any slack. Calculate the stress in the rod and tube when the assembly has cooled to 20°C. (EST = 200 GPa; EAL = 70 GPa; asr = 12 x 10-6 /°C; aAL. = 23 x 10-6 /°C)
An aluminium rod 20 mm in diameter is screwed at the ends and passes through a 25 mm bore steel tube 3 mm thick. Rigid washers and nuts are the fitted to the screwed ends of the aluminium rod and the whole system heated to 140°C, when the nuts on the rod are lightly tightened to take up any slack. Calculate the stress in the rod and tube when the assembly has cooled to 20°C. (EST = 200 GPa; EAL = 70 GPa; asr = 12 x 10-6 /°C; aAL. = 23 x 10-6 /°C)
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter8: Applications Of Plane Stress (pressure Vessels, Beams, And Combined Loadings)
Section: Chapter Questions
Problem 8.3.13P: : A cylindrical tank with diameter d = 18 in, is subjected to internal gas pressure p = 450 psi. The...
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![An aluminium rod 20 mm in diameter is screwed at the ends and passes through a
25 mm bore steel tube 3 mm thick. Rigid washers and nuts are the fitted to the screwed
ends of the aluminium rod and the whole system heated to 140°C, when the nuts on
the rod are lightly tightened to take up any slack. Calculate the stress in the rod and
tube when the assembly has cooled to 20°C.
(EsT
= 200 GPa; EAL
= 70 GPa; açT = 12 x 10-6 /°C; a, = 23 x 10-6 /°C)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdeca8712-9d12-4380-995c-a5d5a5f3bb1c%2Fe2ec3335-ba08-4380-8a4a-2ed27a62bd2e%2Fwitg6r6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An aluminium rod 20 mm in diameter is screwed at the ends and passes through a
25 mm bore steel tube 3 mm thick. Rigid washers and nuts are the fitted to the screwed
ends of the aluminium rod and the whole system heated to 140°C, when the nuts on
the rod are lightly tightened to take up any slack. Calculate the stress in the rod and
tube when the assembly has cooled to 20°C.
(EsT
= 200 GPa; EAL
= 70 GPa; açT = 12 x 10-6 /°C; a, = 23 x 10-6 /°C)
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