1.Determine the total extension of the composite spring when subjected to the maximum load. 2.Calculate the total strain energy in the spring assembly.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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1.Determine the total extension of the composite spring when subjected to the maximum
load.
2.Calculate the total strain energy in the spring assembly.

A composite spring consists of a steel close-coiled helical spring and a bronze close-
coiled helical spring arranged in series. Data for the springs are given in the table below:
D
d
n
G
TAllowable
250 MPa
10
80 GPa
Steel Spring
Bronze Spring
40 mm
40 mm
4.5 mm
4.5 mm
?
40 GPa
181 MPa
Transcribed Image Text:A composite spring consists of a steel close-coiled helical spring and a bronze close- coiled helical spring arranged in series. Data for the springs are given in the table below: D d n G TAllowable 250 MPa 10 80 GPa Steel Spring Bronze Spring 40 mm 40 mm 4.5 mm 4.5 mm ? 40 GPa 181 MPa
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