1,882 72.953 94,958.58 51.970 7,414,555.9 50.972 141,334 53.314 1,808 75.168 95,298.13 52.074 7,674,131.9 50.983 141,504 53.614 1,759 77.185 96,090.39 52.246 7,922,614.9 50.993 141,419 54.097 1,711 79.883 96,995.84 52.464 8,324,181.2 51.008 140,981 54.447 1,674 82.575 97,448.56 52.584 8,605,943.2 51.018 140,287 54.691 1,649 84.500 98.240.82 52.800 8,776,775.3 51.023 138,406 54.986 1,625 87.965 98,693.55 52.992 8,943,170.2 51.028 135,279 55.230 1,613 91.424 98,919.91 53.185 9,184,997.4 51.044 131,403 55.418 1,601 94.696 99,033.09 53.449 9,218,276.4 51.044 126,380 55.606 1,588 98.353 98,806.73 53.690 120,311 55.793 1,588 102.011 98,127.64 53.955 106,475 56.144 1,576 118.176 96,882.66 54.243 92,370 56.439 1,576 130.297 95,411.31 54.484 77,500 56.708 1,588 145.785 93,147.69 54.773 70,766 56.820 1,601 169.357 89,752.27 55.085 64,343 56.911 1,625 190.911 87,149.12 55.278 1,637 209.768 84,432.78 55.446 1,649 223.235 80,358.28 55.663 1,662 236.707 75,378.33 55.879 1,686 259.603 71,303.82 56.023 1,711 286.547 64,626.16 56.215 1,735 304.053 57,722.14 56.360 1,772 321.564 54,553.08 56.408 1,821 335.036 49,799.50 56.455 1,931 348.503 2,004 355.239 2,016 360.629 1,882 367.365 1,625 371.403 1,491 372.729 b. Analyse the results of tensile test on each of the four materials above, use the summary table below: Table 3: Summary of tensile test results for 4 different types of materials Materials HDPE E (GPa) (MPa) (MPa) (MPa) Modulus of Resilience At (mm²) Ductility % ΕΙ Estimated HB GFRP Sic Titanium c. For the four categories of engineering materials, list the main specific properties for each category and explain how the test results you have been summarized in the Table 3 influence material selection stage during design. d. Based on the results, suggest at least one application for the four materials. e. Describe shortly the other five most common destructive mechanical testing. Project 2: In the second project: you have been asked to perform tensile testing for four different materials and analyse the results and work on some NDT selection process: wwwww a. For the results of Tensile testing you have performed and listed in Table 2, find the followings, if you know that the original length of specimen is 50.8 mm and the original diameter is 12.9 mm and fill them in the summary table below (Table 3): a. Plot the engineering stress versus engineering strain for each material. b. Compute the modulus of elasticity, E in GPa. c. Determine the yield strength at a strain offset of 0.002. d. Determine the tensile strength in MPa. e. What is the approximate %El ductility, in percent elongation? f. Compute the modulus of resilience. g. Determine the fracture stress in MPa. h. Compute the final area (Af) in mm². i. Estimate the Brinell hardness (HB). Table 2: Tensile testing results for 4 different types of materials Glass Fiber HDPE Reinforced Plastic Silicon Carbide (SiC) Titanium (GFRP) Length in Length in Length in Length in Load (N) Load (N) mm mm Load (N) Load (N) mm mm 50.800 50.800 50.800 50.800 208 51.018 7,243.56 50.828 379,380.3 50.813 17,868 50.866 562 51.404 12,336.69 50.852 1,027,211.1 50.828 26,810 50.891 904 51.785 23,767.94 50.900 1,570,767.7 50.840 41,707 50.947 1,112 52.075 40,971.40 50.973 2,140,947.5 50.850 55,812 50.998 1,344 52.461 56,477.16 51.044 2,440,458.2 50.856 62,688 51.023 1,674 53.228 69,832.47 51.116 3,001,763.6 50.866 68,729 51.054 1,821 53.710 77,415.58 51.164 3,616,315.4 50.876 74,133 51.079 2,028 54.676 88,394.10 51.261 3,902,514.6 50.881 79,538 51.105 2,138 55.346 92,015.89 51.309 4,352,890.1 50.891 95,100 51.216 2,248 56.596 94,166.32 51.382 4,816,577.1 50.901 102,810 51.293 2,297 57.658 94,732.22 51.484 5,173,771.5 50.911 115,317 51.486 2,334 59.771 94,505.86 51.618 5,477,719.4 50.917 125,164 51.724 2,309 61.889 94,505.86 51.670 5,841,569.6 50.927 130,908 51.943 2,212 65.064 94,392.68 51.745 6,456,121.3 50.947 135,987 52.212 2,089 67.853 94,505.86 51.838 6,682,418.4 50.952 139,693 52.613 2,004 69.778 94,732.22 51.890 7,026,301.1 50.962 140,797 52.939