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US5208102A Expired / Lapsed US ⏱️ 0.0 years remaining

Coated highly wear-resistant tool and physical coating process therefor

Assignee: Oerlikon Surface Solutions AG Pfaeffikon
•
Filing: 1992-01-17
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Granted: 1993-05-04
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Expires: 2012-01-17
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Abstract

Abstract Coated highly wear-resistant tools have an Me11-x ( alpha 2Me2 * alpha 3Me3* . . . alpha nMen)xNuCvOw coating, wherein Me1 is a metal of the chemical group IVb of the periodic system, and Me2, Me3, . . . , Men are other metals. The values u+v+w=1 and the Me concentration changes at least once continuously over the layer thickness to alpha 2Me2 * alpha 3Me3, . . . alpha nMen. The value for x is preferably between 0.1 and 0.7, the values for v and/or w can be approximately zero or w<0.3, and the further metal Me2, Me3, . . . , Men is another metal of the chemical group IVb of the periodic system and/or vanadium and/or preferably aluminum. In working tasks with the tools according to the invention as compared to known tools, a significantly increased service life is obtained. In the production of the coating, a physical coating process is used, in which the ratio of at least two streams of vapor onto the basic body of the tools is varied in such a way that on the basic bodies, a coating with continuously alternating material concentration is obtained.

Inventors

  • 👤 Hans Schulz
  • 👤 Karl-Heinz Zehenter
  • 👤 Erich Bergmann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 23:52
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/32; C23C14/325; C23C14/06; C23C14/0635; C23C14/0641; C23C14/0664; C23C30/00; C23C30/005; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 143 words
Coated highly wear-resistant tool comprising: a basic body; and a coating on the basic body with an Me 1 1-x * (α 2 Me 2 * α 3 Me 3 * . . . α n Me n ) x N u C v O w coating in which; the concentration of Me 1 relative to the concentration of (α 2 Me 2 * α 3 Me 3 * . . . α n Me n ) changes continuously during the formation of the coating thickness 2 to 5 times per micrometer between relative maxima and minima of Me 1 ; Me 1 being a metal of the chemical group IVb of the periodic system; Me 2 , Me 3 , . . . Me n being other metals selected from the chemical group IVb of the periodic system, vanadium and aluminum; α.sub.
Claim 2
Dependent Claim 143 words
Coated highly wear-resistant tool comprising: a basic body; and a coating on the basic body with an Me 1 1-x * (α 2 Me 2 * α 3 Me 3 * . . . α n Me n ) x N u C v O w coating in which; the concentration of Me 1 relative to the concentration of (α 2 Me 2 * α 3 Me 3 * . . . α n Me n ) changes continuously during the formation of the coating thickness 2 to 5 times per micrometer between relative maxima and minima of Me 1 ; Me 1 being a metal of the chemical group IVb of the periodic system; Me 2 , Me 3 , . . . Me n being other metals selected from the chemical group IVb of the periodic system, vanadium and aluminum; α.sub.
Claim 3
Dependent Claim 40 words
α 3 , . . . α n being the mixed fraction of said other metals with respect to each other wherein α 2 +α 3 + . . . α n =100%; x being between 0.1 and 0.7; and
Claim 4
Dependent Claim 40 words
α 3 , . . . α n being the mixed fraction of said other metals with respect to each other wherein α 2 +α 3 + . . . α n =100%; x being between 0.1 and 0.7; and
Claim 5
Dependent Claim 29 words
u, v and w being between 1 and zero, wherein u+v+w=1. 2. Tool as stated in claim 1, wherein at least one of v and w is approximately zero.
Claim 6
Dependent Claim 8 words
Tool as stated in claim 1, wherein w<0.3.
Claim 7
Dependent Claim 11 words
Tool as stated in claim 1, where Me 1 is titanium.
Claim 8
Dependent Claim 34 words
Tool as stated in claim 4, wherein the coating has a free surface (13) and the distance between adjacent Me 1 concentration maxima increases in a direction toward the free surface of the coating.
Claim 9
Dependent Claim 18 words
Tool as stated in claim 1, wherein the layer thickness of the coating is 1 to 7 micrometers.
Claim 10
Dependent Claim 14 words
Tool as stated in claim 1, wherein the coating comprises single-phase face-centered cubic material.
Claim 11
Dependent Claim 23 words
Tool as stated in claim 1, wherein the Me 1 concentration changes over the layer thickness as at least an approximately continuous function.
Claim 12
Dependent Claim 17 words
Tool as stated in claim 1, wherein Me 1 is titanium and said Me 2 is aluminum.
Claim 13
Dependent Claim 16 words
Tool as stated in claim 9, wherein at least one of v and w is zero.
Claim 14
Dependent Claim 23 words
Tool as stated in claim 4, wherein the coating contains, per micrometer of layer thickness, 8 to 15 relative titanium compound concentration maxima.
Claim 15
Dependent Claim 18 words
Tool as stated in claim 1, wherein the layer thickness of the coating is 2 to 4 micrometers.

References Cited (Backward Citations)

US4714660A Cited
US4753854A Cited
US4842710A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-05-03 1996-11-02 1997-05-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-05-03 2000-11-02 2001-05-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-05-03 2004-11-02 2005-05-04 $7700.00 Window Closed / Lapsed

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