A high-density polyethylene [E= 104 ksi and a 74 x 10-6/°F] block (1) is positioned in a fixture. The block is 2.2 in. by 2.4 in. by 39 in. long. At room temperature, a gap of 0.08 in. exists between the block and the rigid support at B. Determine: (a) the normal stress a in block (1) caused by a temperature increase of 40°F. (b) the normal strain e in block (1) at the increased temperature. Answerrs: (a) o (b) e 0 0.08in. 39 in. psi. με.

A high-density polyethylene [E= 104 ksi and a 74 x 10-6/°F] block (1) is positioned in a fixture. The block is 2.2 in. by 2.4 in. by 39 in. long. At room temperature, a gap of 0.08 in. exists between the block and the rigid support at B. Determine: (a) the normal stress a in block (1) caused by a temperature increase of 40°F. (b) the normal strain e in block (1) at the increased temperature. Answerrs: (a) o (b) e 0 0.08in. 39 in. psi. με.

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter9: Time, Temperature, And Mechanical Properties

Section: Chapter Questions

Problem 9.3P

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