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Determine its fracture toughness

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Reference no: EM13887332

The data below were taken on a test material to determine its fracture toughness. The specimens were 25 mm thick.

A. Make a plot of P versus u.

B. Using this plot with Gurney's method, determine the value of G for several combinations of points.

Crack length, a mm

Displacement, u mm

Load, PN

51

0.17

2370

76

0.31

1495

100

0.54

1170

125

0.81

980

155

1.15

825

180

1.52

750

Reference no: EM13887332

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