right ASTM International.Reprinted with permission.) FIGURE 10.20 ASTM standard was adopted. losipescu test fixture with shear and moment diagrams. FIGURE 10.19 Test fixture for V-notched rail shear test.(From ASTM Standard D7078/D7078M-05.Copy Gripping bolts Pixture halves Test machine adapter Bending Test machine adapter Specimen shear strain,shear modulus,and shear strength calculations are similar for V-notched plate specimens are shown in figure 10.21.Shear stress, 05 [431)is shown in figure 10.20,and the different possible arrangements The test fixture for the V-notched rail shear test(ASTM D7078/D7078M- Munro [491,who ranked available in-plane shear test methods before the 0 at root of note Principles of Composite Material Mechanics FIGURE 10.21 D7078/D7078M-05.Copyright ASTM International.Reprinted with permission.) Different test specimen arrangements for V-notched rail shear test.(From ASTM Standard Unidirectional laminates (0/90)ns or (90/0)mlaminates Mechanical Testing of Composites and Their Constituents For 超