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Pendahuluan Fisika Material (9)
Pendahuluan Fisika Material (9)
Pendahuluan Fisika Material (9)
Pendahuluan Fisika Material (9)
Pendahuluan Fisika Material (9)
Pendahuluan Fisika Material (9)
Pendahuluan Fisika Material (9)
Pendahuluan Fisika Material (9)
Pendahuluan Fisika Material (9)
Pendahuluan Fisika Material (9)
Pendahuluan Fisika Material (9)
Pendahuluan Fisika Material (9)
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Pendahuluan Fisika Material (9)

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  • 1. Sesion #09
    PendahuluanFisika Material
    Dr. ErfanHandoko
    JurusanFisika
    FakultasMatematikadanIlmuPengetahuanAlam
  • 2. Outline
    ANELASTICITY
    SIFAT-SIFAT ELASTIK MATERIAL
    PLASTIC DEFORMATION
    TENSILE PROPERTIES
    DUCTILITY
    RESILLIENCE
    1/18/2011
    © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
    2
  • 3. Bab 6
    sifat-sifatmekanikpadalogam
    1/18/2011
    © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
    3
  • 4. ANELASTICITY
    Deformasi elastic akanberlanjutsetelahpemberiantegangan, danketikabebandihilangkandibutuhkanbebebapawaktu agar dapatkembalisepertisemula.
    Anelasticitymerupakankebergantungantingkahlakuelastikterhadapwaktu
    Penyebab:
    • Proses microscopic dan atomistic yang menjagadeformasi
    1/18/2011
    © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
    4
  • 5. SIFAT-SIFAT ELASTIK MATERIAL
    Ketika tensile stress diberikanpadasebuahsampellogam, makadihasilkansebuahelastic elongationdanstrainpadaarahdiberikannyategangan.
    KeterkaitanantaraSheardanelastic modulliterhadaprasio Poisson
    1/18/2011
    © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
    5
  • 6. 1/18/2011
    © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
    6
  • 7. 1/18/2011
    © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
    7
  • 8. PLASTIC DEFORMATION
    Dalamperspektifatomik, deformasiplastisberkaitandenganrusaknyaikatandengan atom terdekankemudianmembentukikatanbarudengan atom terdekat yang lain karenaperpindahan atom danmolekuldalamjumlhabesarrelatifterhadapsatudengan yang lainnya.
    1/18/2011
    © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
    8
  • 9. TENSILE PROPERTIES
    1/18/2011
    © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
    9
  • 10. DUCTILITY
    1/18/2011
    © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
    10
  • 11. RESILLIENCE
    Resillienceadalahkemampuan material untukmenyerapenergiketika material tersebutterdeformasisecaraelastik.
    1/18/2011
    © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
    11
  • 12. Thank you….
    Material Science and Engineering An Introduction (William D. Callister)
    1/18/2011
    © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
    12
    Sumber :

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