assignment lab

Spring 2021

Remote

Tensile Metals Experimental Data

Table 1. Data on specimen measurements. Material Initial

Thickness (mm)

Initial width (mm)

Initial area (mm)

Initial gage length (mm)

Final thickness (mm)

Final width (mm)

Final area (mm)

Final gage length (mm)

Aluminum 3.0 13.5 40.5 50.8 2.5 12.5 31.25 56.5 Steel 3.0 13.5 40.5 50.8 2.0 8.5 17 66.5 Brass 3.1 13.5 41.85 50.8 2.5 10.5 26.25 64.5 Copper 3.0 13.2 39.6 50.8 1.5 10.5 15.75 69.0

E = (L-Lo/Lo)*100% Ar =(Ao-Af/Ao)*100 L−L0 L0 ) ∗ 100% Ar = ( A0−Af A0 ) ∗ 100

Ductility equation: Where: E - percent elongation (%) L0 - original length L - final length A0 - original cross-sectional area Af - the final cross-sectional area Ar - percent reduction in area