Stress vs. Strain Curve

Professor Julie A. Young Thomas Nelson Community College Mechanical Properties of Materials Derived from the Stress vs. Strain Curve

Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Learning Objectives: ,[object Object],[object Object]

Uniaxial Tensile Test ,[object Object],[object Object]

The Material Test Sample ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Gage Length, L o

Test Data ,[object Object],[object Object],[object Object],Force vs. Elongation 0 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 0.000 0.010 0.020 0.030 0.040 0.050 0.060 0.070 0.080 0.090 Elongation (in.)

Independence on Sample Size ,[object Object],[object Object],[object Object]

Engineering Stress-Strain Curve ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Additional Properties from the Stress-Strain Curve ,[object Object],[object Object],[object Object],[object Object]

Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object]

Stress vs. Strain Curve

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Stress vs. Strain Curve