Izod vs Charpy Impact Tests
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Questions and Answers

What type of material absorbs more energy when fractured?

  • Hard material
  • Tough material (correct)
  • Brittle material
  • Ductile material
  • In the Izod impact test, how is the specimen held?

  • Supported at both ends
  • In a cantilever manner (correct)
  • Attached to a rotating platform
  • Suspended in air
  • What type of material shows a sudden break with little evidence of deformation upon fracturing?

  • Ductile material
  • Tough material
  • Malleable material
  • Brittle material (correct)
  • What does a fibrous fracture surface indicate?

    <p>Plastic flow of crystalline structure</p> Signup and view all the answers

    At what percentage does a ductile material show plastic flow of the crystalline structure on the fracture surface?

    <p>0% - 50%</p> Signup and view all the answers

    In which specimen does a transition from brittle to ductile failure occur as the test temperature increases?

    <p>Low Carbon Steel</p> Signup and view all the answers

    What is the ability of a material to deform permanently without fracture due to compressive deformation?

    <p>Malleability</p> Signup and view all the answers

    Which property allows a material to be stretched, twisted, or bent without breaking?

    <p>Malleability</p> Signup and view all the answers

    What property describes how much energy a material can absorb before fracturing?

    <p>Impact strength</p> Signup and view all the answers

    Which property refers to the ability of a material to resist permanent deformation under tensile loading?

    <p>Tensile strength</p> Signup and view all the answers

    Which property is associated with the ability of a material to be deformed in all directions by hammering and pressing?

    <p>Malleability</p> Signup and view all the answers

    What property is related to the ability of a material to resist scratching or indentation?

    <p>Hardness</p> Signup and view all the answers

    What can be extracted from the stress-strain curve of a material subjected to pulling force?

    <p>Modulus of Elasticity</p> Signup and view all the answers

    Which material can be hammered into gold leaf due to its high malleability?

    <p>Gold</p> Signup and view all the answers

    Which mechanical property refers to the resistance of a material to being scratched or indented?

    <p>Hardness</p> Signup and view all the answers

    Which property measures a material's ability to absorb energy and deform plastically before fracturing?

    <p>Impact Strength</p> Signup and view all the answers

    What property represents the change in length of a material under tension or compression?

    <p>% Elongation</p> Signup and view all the answers

    Which property determines the ability of a material to resist permanent deformation under tensile stress?

    <p>Yield Stress / Proof Stress</p> Signup and view all the answers

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