• DocumentCode
    2824049
  • Title

    Strength evaluation of glass substrate using FEM analysis

  • Author

    Tomita, E. ; Kobayashi, M.

  • Author_Institution
    Mater. Sci. & Technol. Lab., Fuji Electr. Corp. Res. & Dev. Ltd., Yokosuka, Japan
  • fYear
    2000
  • fDate
    6-8 Nov. 2000
  • Abstract
    We investigated the static and dynamic fracture characteristics of glass substrates of hard disks using FEM analysis. We introduced an evaluation method using a static stability parameter, "fracture load", and a dynamic stability parameter, "impact critical acceleration." Thickness is the most effective parameter to increase the fracture load. The fracture load and impact critical acceleration have a positive relationship.
  • Keywords
    Young´s modulus; finite element analysis; fracture; glass; hard discs; impact (mechanical); substrates; FEM analysis; dynamic fracture characteristics; dynamic stability parameter; fracture load; glass substrate; hard disks; impact critical acceleration; static fracture characteristics; static stability parameter; strength evaluation; Acceleration; Chemicals; Compressive stress; Disk recording; Glass; Hard disks; Laboratories; Stability; Surface cracks; Tensile stress;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Asia-Pacific Magnetic Recording Conference, 2000. APMRC 2000
  • Conference_Location
    Tokyo, Japan
  • Print_ISBN
    0-7803-6254-3
  • Type

    conf

  • DOI
    10.1109/APMRC.2000.898946
  • Filename
    898946