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- 1. Forging new generations of engineers
- 2. Tensile Test ReportGraphical AnalysisandComputational Resultsof Collected Data
- 3. Tensile Report LayoutYour Tensile report will include 10 pages which will contain thefollowing information:• Title page• Statistical Process Control Data collected from tensile data• Proportional Strength - Definition-graph-calculation• Yield Strength - Definition-graph-calculation• Tensile or Ultimate Strength - Definition-graph-calculation• Breaking/Rupture Strength - Definition-graph-calculation• Modulus of Elasticity - Definition-graph-calculation• Modulus of Resilience - Definition-graph-calculation• Modulus of Toughness - Definition-graph-calculation• Calculations Page - data not needing graphical representation
- 4. Title Page• Major Topic Heading•Course Name•Topic of Paper•Student Name•Instructor•Date•PeriodMaterial and MaterialsTesting in EngineeringPrinciples of EngineeringUnit 6Destructive Tensile TestofAluminumJohn Vielkind-NeunInstructor: Mr. SmithMay 17, 2000Period 6
- 5. Statistical Process Control Data• Cut SPC data sheetinto sections andglue to titled page• Break informationinto appropriatesections.e.g. Recorded DataResultsHistogramStatistical Process ControlAluminum Data
- 6. Proportional Limit StressProportional Limit - The greatest stress a material is capable ofwithstanding without deviation from a straight -line proportionalitybetween stress and strain. If the force applied to the material isreleased the material will return to it’s original shape and size.CalculationS = F / AGraphStrain (∈) in/inStress(S)psiProportional/ Elastic Limit
- 7. Yield Point StressYield point - The point at which a sudden elongation takes place,while the load on the sample remains the same or actually drops. Ifthe force applied to the material is released the material will notreturn to it’s original shape and size.CalculationS = F / AGraphStrain (∈) in/inStress(S)psiYield Point
- 8. Ultimate or Tensile StressUltimate Strength - The point at which the maximumload for a sample is achieved. Beyond this point,elongation of the sample continues but the forcebeing exerted decreases.CalculationS = F / AGraphStrain (∈) in/inStress(S)psiUltimate Strength
- 9. Breaking/Rupture StressBreaking/Rupture Stress - The maximum amount ofstress that can be applied before rupture occurs. Thematerial fractures in the necking region where thematerial reduces in diameter as the material elongates.CalculationS = F / AGraphStrain (∈) in/inStress(S)psiRupture PointNecking Region
- 10. Modulus of ElasticityModulus of Elasticity -A measure of a materials ability toregain its original dimensions after the removal of a load orforce. The modulus is the slope of the straight line portion ofthe stress-strain diagram up to the proportional limit.CalculationE = (F1 -F2)Lo / (δ1 -δ 2)AGraphStrain (∈) in/inStress(S)psiProportional / Elastic LimitSlope
- 11. Strain (∈) in/inStress(S)psiElastic RegionModulus of ResilienceModulus of Resilience -A measure of a materials abilityto absorb energy up to the elastic limit. This modulus isrepresented by the area under the stress versus straincurve from zero force to the elastic limit.CalculationUr = 1/2 (σyp)(ε yp)GraphElastic Limit
- 12. Modulus of ToughnessModulus of Toughness -A measure of a materials ability toplastically deform without fracturing. Work is performed by thematerial absorbing energy by the blow or deformation. Thismeasurement is equal to the area under the stress versusstrain curve from its origin through the rupture point.GraphStrain (∈) in/inStress(S)psiPlastic RegionCalculation:Ut = 1/3(εBr) (σyp + 2σult)
- 13. Calculation PageTotal Strain/ Deformation -The total amount ofelongation of a sample to rupturenormalized(divided by) by the initial length.Calculation: εtotal = δtotal/LoDuctility:The ability of a material to be deformedplastically without rupture.Calculation: % Elongation = ε total(100)Ductility:The ability of a material to be deformedplastically without rupture.Calculations:% Reduction in area = Aoriginal - A final / A original (100)

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