A helical compression spring is fabricated from ASTM A229 oil-tempered wire (Figure 14.3a) and has the mean coil diameter D = 10 mm, wire diameter d = 0.9 mm, total number of active coils N₂ = 14.5, and the modulus of rigidity G = 79 GPa. Find a. The torsional yield strength of the wire

A helical compression spring is fabricated from ASTM A229 oil-tempered wire (Figure 14.3a) and has the mean coil diameter D = 10 mm, wire diameter d = 0.9 mm, total number of active coils N₂ = 14.5, and the modulus of rigidity G = 79 GPa. Find a. The torsional yield strength of the wire

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Question

14.14 A helical compression spring is fabricated from ASTM A229 oil-tempered wire
(Figure 14.3a) and has the mean coil diameter D = 10 mm, wire diameter d = 0.9 mm,
total number of active coils N = 14.5, and the modulus of rigidity G = 79 GPa. Find
a. The torsional yield strength of the wire
b. The static load corresponding to the yield strength and spring constant
c. The solid and free heights and the pitch of the body coil of the spring
d. Whether buckling will be possible, if the ends are squared-ground

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