The following data were collected from a 20 m m ” role=”presentation” style=”display:…

The following data were collected from a 20mm” role=”presentation” style=”display: inline-block; line-height: 0; font-size: 16.94px; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding-top: 1px; padding-bottom: 1px; position: relative;”>20mm

20 m m

diameter test specimen of a ductile cast iron (Io=40.00mm” role=”presentation” style=”display: inline-block; line-height: 0; font-size: 16.94px; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding-top: 1px; padding-bottom: 1px; position: relative;”>Io=40.00mm

I_{o} = 40.00 m m

Load [N]	Gage Length [mm]	Stress [MPa]	Strain [mm/mm]
0	40.0000	0	0.0
25,000	40.0185	79.6	0.00046
50,000	40.0370	159.2	0.000925
75,000	40.0555	238.7	0.001388
90,000	40.20	286.5	0.005
105,000	40.60	334.2	0.015
120,000	41.56	382.0	0.039
131,000	44.00 (max load)	417.0	0.010
125,000	47.52 (fracture)	397.9	0.188

After fracture, the gauge length is 47.42mm” role=”presentation” style=”display: inline-block; line-height: 0; font-size: 16.94px; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding-top: 1px; padding-bottom: 1px; position: relative;”>47.42mm

47.42 m m

and the diameter is 18.35mm” role=”presentation” style=”display: inline-block; line-height: 0; font-size: 16.94px; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding-top: 1px; padding-bottom: 1px; position: relative;”>18.35mm

18.35 m m

. Plot the data (use graph paper) and calculate (a) the 0.2%” role=”presentation” style=”display: inline-block; line-height: 0; font-size: 16.94px; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding-top: 1px; padding-bottom: 1px; position: relative;”>0.2%

0.2 %

offset yield strength, (b) the tensile strength, (c) the modulus of elasticity, (d) the Elongation in percentage, (e) the Reduction in area, also in percentage, (f) the engineering stress at fracture, (g) the true stress at fracture.

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