Given: A steel rod (A= 150 mm²) is stretched between two fixed points with a tensile load of 5000 N at 20°C. a.) What will be the stress at -20°C? b.) At what temperature will the stress be zero? Assume a = 11.7 um/m°C, and E = 200 Gpa ©sidewar L

Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter9: Time, Temperature, And Mechanical Properties
Section: Chapter Questions
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Given: A steel rod (A= 150 mm²) is stretched between
two fixed points with a tensile load of 5000 N at 20°C.
a.) What will be the stress at -20°C?
b.) At what temperature will the stress be zero?
Assume a = 11.7 um/m°C, and E = 200 Gpa
©sidewar
L
Transcribed Image Text:Given: A steel rod (A= 150 mm²) is stretched between two fixed points with a tensile load of 5000 N at 20°C. a.) What will be the stress at -20°C? b.) At what temperature will the stress be zero? Assume a = 11.7 um/m°C, and E = 200 Gpa ©sidewar L
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