1)Two blocks with an inclined surface of 100 mm in length, 50 mm in width and 10 mm in thickness were adhered to each other with an adhesive on the curved surfaces seen in the figure. The adhesive has a shear strength of 50 MPa and a tensile strength of 75 MPa. In order for the bonding surface of this block to withstand the axial load of 5000 N in the figure without breaking, the bonding angle should be _____. 2. The flow curve of a brass rod with a diameter of 8 mm and a length of 40 mm is defined by the equation σ = 400 ε0.28 Mpa. The bar shows a yielding rate of 0.2% plastic deformation. If the length of this bar is extended to 50 mm by applying axial tensile stress, how much will the yield strength increase?
1)Two blocks with an inclined surface of 100 mm in length, 50 mm in width and 10 mm in thickness were adhered to each other with an adhesive on the curved surfaces seen in the figure. The adhesive has a shear strength of 50 MPa and a tensile strength of 75 MPa. In order for the bonding surface of this block to withstand the axial load of 5000 N in the figure without breaking, the bonding angle should be _____.
2. The flow curve of a brass rod with a diameter of 8 mm and a length of 40 mm is defined by the equation σ = 400 ε0.28 Mpa.
The bar shows a yielding rate of 0.2% plastic deformation. If the length of this bar is extended to 50 mm by applying axial tensile stress, how much will the yield strength increase?
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