Fundamental Study on Biomachining : Machining of Metals by Thiobacillus ferrooxidans

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Author(s)

Abstract

In this work, we investigate the possibility of biological machining by bacteria as a new technique for metal removal. Some kinds of chemolithotrophic bacteria gain energy from inorganic matter and fix carbon dioxide from the air. One of them, the bacterium Thiobacillus ferrooxidans, "eats" metals. Machining of grooves on pure iron and pure copper by Thiobacillus ferrooxidans is experimentally investigated. The experimental analysis showed that biomachining was possible, since the depth of the grooves generated on the workpiece increased almost linearly with the machining time. Furthermore, electric-field-assisted biomachining proved to be even more effective, because the removed rate became much higher under an electric field.

Journal

  • JSME international journal. Ser. C, Dynamics, control, robotics, design and manufacturing   [List of Volumes]

    JSME international journal. Ser. C, Dynamics, control, robotics, design and manufacturing 39-C(4), 837-842, 1996-12-15  [Table of Contents]

    The Japan Society of Mechanical Engineers

References:  6

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Cited by:  1

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Codes

  • NII Article ID (NAID)
    110004089605
  • NII NACSIS-CAT ID (NCID)
    AA10898309
  • Text Lang
    ENG
  • Article Type
    Journal Article
  • ISSN
    13408062
  • NDL Article ID
    4099068
  • NDL Source Classification
    ZN11(科学技術--機械工学・工業)
  • NDL Call No.
    Z53-Y272
  • Data Source
    CJP  CJPref  NDL  NII-ELS 
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