FIELD: metallurgy.
SUBSTANCE: sandwiched coating is applied by vacuum plasma method. First, a lower layer of titanium nitride is applied. Then the upper layer of molybdenum, silicon and niobium compound nitride is applied at the mass ratio, %: titanium 87.1-90.5, silicon 1.0-1.4, niobium 8.5-11.5. Coating layers are applied by three cathodes arranged horizontally in the same plane. The first cathode is made of titanium and silicon alloy, the second one consists of titanium and is located opposite to the first one, and the third one is composed of titanium and chrome and is located between them. Bottom layer is applied with the help of second cathode while top layer is applied by first and third cathodes.
EFFECT: higher cutting efficiency.
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| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PRODUCING SANDWICHED COATING FOR CUTTING TOOL | 2013 |
|
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