Coating processes – Coating by vapor – gas – or smoke – Carbon or carbide coating
Patent
1997-09-12
2000-06-06
Meeks, Timothy
Coating processes
Coating by vapor, gas, or smoke
Carbon or carbide coating
427255394, 427580, 20419238, C23C 1414
Patent
active
06071560&
ABSTRACT:
A tool has a tool body and a wear resistant layer system, which layer system has at least one layer of MeX. Me comprises titanium and aluminum and X is nitrogen or carbon. The tool has a tool body of high speed steel (HSS) or of cemented carbide, but it is not a solid carbide end mill and not a solid carbide ball nose mill. In the MeX layer, the quotient Q.sub.I as defined by the ratio of the diffraction intensity I(200) to I(111) assigned respectively to the (200) and (111) plains in the X ray diffraction of the material using .theta.-2.theta. method is selected to be .gtoreq.1. Further, the I(200) is at least twenty times larger than the intensity average noise value, both measured with a well-defined equipment and setting thereof.
REFERENCES:
patent: 5126030 (1992-06-01), Tamagaki et al.
Average Energy Deposited Per Atom: A Universal Parameter For Describing Ion-Assisted Film Growth; Petrov et al.; Applied Physics Letters, Jul. 5, 1993, pp. 36-38.
Titanium Aluminum Nitride Films: A New Alternative to TiN Coatings; Muenz; Journal Of Vacuum Science & Technology, Nov.-Dec. 1986, pp. 2717-2225.
Interrelationship Between Processing, Coating Properties And Functional Properties of Steered ARC Physically Vapour Deposited (Ti,Al)N And (Ti,Nb)N Coatings; Roos et al.; Elsevier Sequoia; Dec. 1, 1990; pp. 547-556.
Effects Of R.F. Bias And Nitrogen Flow Rates On The Reactive Sputtering Of TiAlN Films; Shew et al.; Elsevier; 1997; pp. 212-219 no month.
Effects of High-Flux Low-Energy (20-100 eV) Ion Irradiation During Deposition On The Microstructure And Preferred Orientation of TI.sub.0.5 Al.sub.0.5 N Alloys Grown By Ultra-High-Vacuum Reactive Magnetron Sputtering; Adibi et al.; Journal of Applied Physics, Jun. 15, 1993; pp. 8580-8589.
The Structure And Composition Of Ti-Zr-N, Ti-Al-Zr-N and Ti-Al-V-N Coatings, Knotek et al.; Materials Science and Engineering, 1988; pp. 481-488 (no month).
Braendle Hans
Shima Nobuhiko
Balzers Aktiengesellschaft
Meeks Timothy
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