Stock material or miscellaneous articles – Composite – Of metal
Patent
1989-07-21
1993-12-21
Herbert, Jr., Thomas J.
Stock material or miscellaneous articles
Composite
Of metal
427569, 427574, 427576, 427578, 427585, B32B 1500, C23C 1600
Patent
active
052720144
ABSTRACT:
A multi-component, metal-containing, wear-resistant coating which is not homogeneous. The coating has a difference of a metallic element concentration of at least about 2 atom percent between the edges of the coating surface and the coating surface remote from the edge. Non-homogeneous coatings of the invention are surprisingly wear-resistant compared to homogeneous coatings.
The invention also relates to a method of applying the coatings of the invention by a PVC-process or a plasma-CVD-process wherein the electrical potential difference between the substrate and the ionized coating material is selected to enhance the inhomogeneity of the coating.
REFERENCES:
Knotek et al., "On the Structure of (Ti, Al)N-PVD Coatings," J. Solid State Chem., 70:318-322 (1987).
Knotek et al., "Industrial Deposition of Binary, Ternary and Quaternary Nitrides of Titanium, Zirconium, and Aluminum," J. Vac. Sci. Technol. A 5:2173-2179 (1987).
Knotek, et al., "On Structure and Properties of Sputtered Ti and Al Based Hard Compound Films," J. Vac. Sci. Techn. A, 4:2695-2700 (1986).
Knotek, et al., "On the Wear Behaviour of PVC Ti, Al, Zr, V, N Coatings," Wear of Materials 2:551-556 (1987).
Knotek, et al., "On the Properties of Physically Vapour-Deposited Ti-Al-V-N Coatings," Thin Solid Films 153:83-90 (1987).
Knotek, et al., "Quantitative ESMA bei der Entwicklung neuer PVD-Hartstoffbeschichtungen," Beitr. elektronenmikroskop. Direktabb. Oberfl. 19:211-218 (1986), (Abstract in English).
Esser Stefan
Lemmer Oliver
Leyendecker Toni
Dr.-Ing. Toni Leyendecker
Herbert, Jr. Thomas J.
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