Adhesion(bonding etc.) of materials without frictional force?

  1. Hello.

    I am studying material physics.

    I heard in the class that every adhesion or bonding can occur only with frictional force.

    Today, I tried to find a proper reference for this statement but I could not.

    Is there any reference that every adhesion or bonding(esp. Injective moldings) can occur only with frictional force?

    Or is there any way that can happen without frictional force?

    Thank you!
  2. jcsd
  3. Simon Bridge

    Simon Bridge 15,474
    Science Advisor
    Homework Helper
    Gold Member

    It's more that friction forces are adhesion/bonding effects.
    What sort of reference do you need? There's no end of papers exploring specific instances for example.
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