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Adhesive wear galling

Hard coating A coating that extends the life of a tool that is subject to wear such as a drill bit, extrusion die, injection mold, etc. The mechanism may not be entirely related to the hardness of the coating. For example, the coating can reduce the friction and thus prolong tool life or it may provide a diffusion barrier that prevents adhesion and galling. Hardness above 40 GPa. [Pg.630]

Primary Material Parameters. Materials selection for adhesion resistance requires carefiil consideration of the operating environment of the workpiece in addition to the total functional performance required of the workpiece itself. Wear properties of the steels vary widely with processing and heat treatment. Polymers are selected for sliding contact applications because of inherent properties such as inertness to many chemicals, relatively low galling tendency, and self-lubricating properties. Ceramics... [Pg.74]

See other pages where Adhesive wear galling is mentioned: [Pg.454]    [Pg.454]    [Pg.166]    [Pg.1548]    [Pg.495]    [Pg.48]    [Pg.88]    [Pg.48]    [Pg.781]    [Pg.75]    [Pg.346]    [Pg.268]    [Pg.270]    [Pg.596]    [Pg.408]    [Pg.57]    [Pg.187]   
See also in sourсe #XX -- [ Pg.75 ]



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