SchmidLaw Slip

  • Upload
    thuron

  • View
    217

  • Download
    0

Embed Size (px)

Citation preview

  • 8/12/2019 SchmidLaw Slip

    1/15

  • 8/12/2019 SchmidLaw Slip

    2/15

    http://www.mse.ncsu.edu/zhu Materials Science & Engineering

  • 8/12/2019 SchmidLaw Slip

    3/15

    http://www.mse.ncsu.edu/zhu Materials Science & Engineering

    http://video.google.com/videosearch?q=dislocation+slip&hl=en&emb=0&aq=f#

  • 8/12/2019 SchmidLaw Slip

    4/15

    http://www.mse.ncsu.edu/zhu Materials Science & Engineering

    Close packed

    plane

    Non-close-packed

    plane

  • 8/12/2019 SchmidLaw Slip

    5/15

    http://www.mse.ncsu.edu/zhu Materials Science & Engineering

  • 8/12/2019 SchmidLaw Slip

    6/15

    http://www.mse.ncsu.edu/zhu Materials Science & Engineering

  • 8/12/2019 SchmidLaw Slip

    7/15

    http://www.mse.ncsu.edu/zhu Materials Science & Engineering

  • 8/12/2019 SchmidLaw Slip

    8/15

    http://www.mse.ncsu.edu/zhu Materials Science & Engineering

    r =CosCos

    1A

    Fr

    r =

    Slip

    direction

    Normal to

    Slip plane

    0A

    F=

    A1=Area of

    Slip plane

    F

  • 8/12/2019 SchmidLaw Slip

    9/15

    http://www.mse.ncsu.edu/zhu Materials Science & Engineering

    FCC metal

  • 8/12/2019 SchmidLaw Slip

    10/15

    http://www.mse.ncsu.edu/zhu Materials Science & Engineering

    Stress-strain curve of single

    and polycrystalline copper

    Slip bands in polycrystalline

    aluminum grains

    Dislocations piled up

    against grain boundaries

    in stainless steel

  • 8/12/2019 SchmidLaw Slip

    11/15

    http://www.mse.ncsu.edu/zhu Materials Science & Engineering

  • 8/12/2019 SchmidLaw Slip

    12/15

    http://www.mse.ncsu.edu/zhu Materials Science & Engineering

    Strain Hardening

    Stress-Strain curves of 1018 steel

    1018-Cold Rolled

    1018-Annealed

    http://video.google.com/videosearch?q=rolling&hl=en&emb=0&aq=f#emb=0&hl=en&q=cold+rolling&view=3

  • 8/12/2019 SchmidLaw Slip

    13/15

    http://www.mse.ncsu.edu/zhu Materials Science & Engineering

  • 8/12/2019 SchmidLaw Slip

    14/15

    http://www.mse.ncsu.edu/zhu Materials Science & Engineering

    3 important strategies for increasing the strength:

    http://www.youtube.com/watch?v=QVJ1DOIDl2A

  • 8/12/2019 SchmidLaw Slip

    15/15

    http://www.mse.ncsu.edu/zhu Materials Science & Engineering

    Example Problems: 6.9, 6.10

    Regular Problems, Download from web

    Reading assignment: section 7.1-7.2