Chap+6+Posting

# Chap+6+Posting - Chapter6: Metals Learningobjectives 1 2...

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Chapter 6: Mechanical Properties of Metals Learning objectives: 1. Define engineering stress and engineering strain. . ate Hooke’s law, and note the conditions under which it is valid. 2. State Hooke s law, and note the conditions under which it is valid. 3. Define Poisson’s ratio. 4. Given an engineering stress strain diagram, determine the modulus of elasticity eld strength (0 002 strain offset) tensile strength and estimate the percent yield strength (0.002 strain offset), tensile strength, and estimate the percent elongation 5. For the tensile deformation of a ductile cylindrical specimen, describe changes specimen profile to the point of fracture in specimen profile to the point of fracture. 6. Compute ductility in terms of both percent elongation and percent reduction of area for a material that is loaded in tension to fracture. ive brief definitions of and the units for modulus of resilience and toughness 7. Give brief definitions of and the units for modulus of resilience and toughness (static). 8. Compute the working stress for a ductile material.

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GINEERING STRESS ENGINEERING STRESS
COMMON STATES OF STRESS Ski lift (photo courtesy P.M. Anderson) Note: τ = M / A c R here.

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THER COMMON STRESS STATES (1) OTHER COMMON STRESS STATES (1) (photo courtesy P.M. Anderson) (photo courtesy P.M. Anderson)
THER OMMON RESS STATES (2) OTHER COMMON STRESS STATES (2) Pressurized tank (photo courtesy (photo courtesy P.M. Anderson) P.M. Anderson)

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GINEERING RAIN ENGINEERING STRAIN L o w o π /2
NEAR LASTIC PROPERTIES LINEAR ELASTIC PROPERTIES

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Chap+6+Posting - Chapter6: Metals Learningobjectives 1 2...

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