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  • Solid lubricants and their applications

    Herin HR

    Member

    Updated: Oct 26, 2024
    Views: 1.5K
    We all know what is lubricants & why is it used used for. Here, Graphite & Molybdenum disulphide are solid lubricants. State where are there lubricants used & how they differ from other lubricant i.e, from semi-solid - liquid lubricants.
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  • Kaustubh Katdare

    Administrator • Dec 25, 2015

    Note: Please provide appropriate titles to your discussions. I've changed the title from 'Lubricants' to something that makes more sense. 😀 A good title helps attracting more replies and readers quickly know what the discussion is about.
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  • Herin HR

    Member • Dec 25, 2015

    Yeah sir
    I'll correct it
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  • Shashank Moghe

    Member • Jan 11, 2016

    The OP looks like he is asking a homework question. This should be discouraged.
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  • Viswanathan Chockalingam

    Member • Feb 15, 2016

    Solid lubricant is used to reduce Friction in places where the temperature is too high, that a liquid lubricant can loose its properties.
    Generally used solid lubricants/Dry lubricants are graphite,Molybdenum disulfide, Hexagonal Boron nitride, Tungsten disulfide.
    They have layered structures, Heat bearing capabilities, shock absorbing capabilities, etc.,
    Graphite flakes in Cast Iron acts as a lubricants and so lubricants are not used while machining cast iron.Used in <a href="https://en.wikipedia.org/wiki/Air_compressor" target="_blank" rel="nofollow noopener noreferrer">Air Compressor</a>, food industry, railway track joints, open gear, <a href="https://en.wikipedia.org/wiki/Ball_bearing" target="_blank" rel="nofollow noopener noreferrer">Ball Bearing</a>, machine-shop works, etc.
    Molybdenum disulfide and Hexagonal Boron nitride are used in space.
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  • SIVAKUMARG

    Member • Feb 22, 2016

    Viswanathan C
    Solid lubricant is used to reduce Friction in places where the temperature is too high, that a liquid lubricant can loose its properties.
    Generally used solid lubricants/Dry lubricants are graphite,Molybdenum disulfide, Hexagonal Boron nitride, Tungsten disulfide.
    They have layered structures, Heat bearing capabilities, shock absorbing capabilities, etc.,
    Graphite flakes in Cast Iron acts as a lubricants and so lubricants are not used while machining cast iron.Used in <a href="https://en.wikipedia.org/wiki/Air_compressor" target="_blank" rel="nofollow noopener noreferrer">Air Compressor</a>, food industry, railway track joints, open gear, <a href="https://en.wikipedia.org/wiki/Ball_bearing" target="_blank" rel="nofollow noopener noreferrer">Ball Bearing</a>, machine-shop works, etc.
    Molybdenum disulfide and Hexagonal Boron nitride are used in space.
    ---- Graphite flakes usage as lubricant in cast iron machining is indeed a new info for me . Thank you
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