Problem 3.3 What strains are induced if a pure shear stress tau12 = 100 MPa is a

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Problem 3.3

What strains are induced if a pure shear stress tau12 = 100 MPa is applied? What strains are induced if a pure shear stress tau13 = 100 MPa is applied? What strains are induced if a pure shear stress tau23 = 100 MPa is applied? A tensile specimen is machined from an anisotropic material. The specimen is referenced to an x-y-z coordinate system, as shown in figure. The cross-section of the specimen is initially a perfect 5 m m times 5 mm square. In addition, perfect 5 m m times 5 mm squares are drawn on the x-y and x-z surfaces of the specimen, as shown. A uniaxial tensile stress alpha xx = 700 MPa is then applied causing the specimen to deform as shown in Figure Determine the values of Exx, Vxy, Vxz, nu xx,xy' and nu xx,yz that correspond to these deformations. Load versus strain data collected during two different composite tensile tests are shown in Tables 3.2 and 3.3. Use linear regression to determine the following properties for

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