A carbon steel ball with 27-mm diameter is pressed together with an aluminum ball with a 35-mm diameter by a force of 11 N. Determine the maximum shear stress and the depth at which it will occur for the aluminum ball. Assume the figure given below, which is based on a typical Poisson's ratio of 0.3, is applicable to estimate the depth at which the maximum shear stress occurs for these materials. Ratio of stress to Pa σ, T 1.0 0.8 20.6 0.4 0.2 0 J₂, J₂ 0.5a o Tmax a 1.5a 2a Distance from contact surface 2.5a 3a The maximum shear stress is determined to be 134.6 Z MPa. The depth in the aluminum ball at which the maximum shear stress will occur is determined to be 0.0519 mm.

Elements Of Electromagnetics
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A carbon steel ball with 27-mm diameter is pressed together with an aluminum ball with a 35-mm diameter by a force of 11 N.
Determine the maximum shear stress and the depth at which it will occur for the aluminum ball. Assume the figure given below, which
is based on a typical Poisson's ratio of 0.3, is applicable to estimate the depth at which the maximum shear stress occurs for these
materials.
Ratio of stress to Pma
σ. T
1.0
0.8
0.6
0.4
0.2
0
Ja
0.5a
σ₂
Tmax
1.5a
a
20
Distance from contact surface
2.5a
3a
Z
The maximum shear stress is determined to be 134.6 MPa.
The depth in the aluminum ball at which the maximum shear stress will occur is determined to be 0.0519 mm.
Transcribed Image Text:A carbon steel ball with 27-mm diameter is pressed together with an aluminum ball with a 35-mm diameter by a force of 11 N. Determine the maximum shear stress and the depth at which it will occur for the aluminum ball. Assume the figure given below, which is based on a typical Poisson's ratio of 0.3, is applicable to estimate the depth at which the maximum shear stress occurs for these materials. Ratio of stress to Pma σ. T 1.0 0.8 0.6 0.4 0.2 0 Ja 0.5a σ₂ Tmax 1.5a a 20 Distance from contact surface 2.5a 3a Z The maximum shear stress is determined to be 134.6 MPa. The depth in the aluminum ball at which the maximum shear stress will occur is determined to be 0.0519 mm.
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