An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 580 mm. The cross-sectional dimensions of the beam are b; - 36 mm, d - 106 mm, b; - 22 mm, dy - 22 mm, and a - 7 mm. For this material, the allowable tensile bending stress is 20 MPa, and the allowable compressive bending stress is 9 MPa. Determine the largest moment M that can be applied as shown to the beam. b2 dz в L. bị Answer: M 445.43 N-m

Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter6: Introduction To Mechanical Properties
Section: Chapter Questions
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An extruded polymer beam is subjected to a bending moment M.  The length of the beam is L = 580 mm.  The cross-sectional dimensions of the beam are b1 = 36 mm, d1 = 106 mm, b2 = 22 mm, d2 = 22 mm, and a = 7 mm.  For this material, the allowable tensile bending stress is 20 MPa, and the allowable compressive bending stress is 9 MPa.  Determine the largest moment M that can be applied as shown to the beam.

 

An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 580 mm. The cross-sectional
dimensions of the beam are b1 = 36 mm, d1 = 106 mm, b2 = 22 mm, d2 = 22 mm, and a = 7 mm. For this material, the allowable tensile
bending stress is 20 MPa, and the allowable compressive bending stress is 9 MPa. Determine the largest moment M that can be
applied as shown to the beam.
%3D
b2
a
M
d2
В
L
b1
Answer:
M =
445.43
N-m
Transcribed Image Text:An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 580 mm. The cross-sectional dimensions of the beam are b1 = 36 mm, d1 = 106 mm, b2 = 22 mm, d2 = 22 mm, and a = 7 mm. For this material, the allowable tensile bending stress is 20 MPa, and the allowable compressive bending stress is 9 MPa. Determine the largest moment M that can be applied as shown to the beam. %3D b2 a M d2 В L b1 Answer: M = 445.43 N-m
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