the stress of cylinder is given by the hooke's law
where is a normal stress ( F is the axial force acting on the cylinder,and A is the cross-sectional area of the cylinder), E is the modulus of elasticity, and
is the strain of the cylinder.
the cross sectional area of the cylinder is given by
where, Do = outer circle diameter, Di = inner circle diameter
normal stress of the cylinder ,
=
= 31 Mpa
the strain of the cylinder,
i.e,
therefore the answer is 0.19 mm
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