ES2567039T3 - Herramienta de corte revestida con alúmina alfa que contiene azufre - Google Patents

Herramienta de corte revestida con alúmina alfa que contiene azufre Download PDF

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Publication number
ES2567039T3
ES2567039T3 ES11181640.1T ES11181640T ES2567039T3 ES 2567039 T3 ES2567039 T3 ES 2567039T3 ES 11181640 T ES11181640 T ES 11181640T ES 2567039 T3 ES2567039 T3 ES 2567039T3
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Prior art keywords
hkl
layer
rest
al2o3
coating
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ES11181640.1T
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ES2567039T5 (es
Inventor
Dirk Stiens
Sakari Ruppi
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Walter AG
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Walter AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/40—Oxides
    • C23C16/403—Oxides of aluminium, magnesium or beryllium
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
    • C23C16/52—Controlling or regulating the coating process
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Vapour Deposition (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)

Abstract

Un inserto para herramientas de corte, que consiste en un sustrato de carburo cementado, cermet, cerámica, acero o un material superduro tal como nitruro de boro cúbico (CBN) y un revestimiento con un grosor total de 5 a 40 μm, revestimiento que consiste en una o más capas refractarias de las que al menos una capa es una capa de α-Al2O3 que tiene un grosor de 1 a 25 μm caracterizado por que la al menos una capa de α-Al2O3 tiene un contenido de azufre de más que 100 ppm, analizado por Espectroscopía de Masas de Iones Secundarios (SIMS) y la al menos una capa de α-Al2O3 tiene un coeficiente de textura TC (0 0 12) > 4 para la dirección de crecimiento (0 0 12), definiéndose el TC (0 0 12) como sigue: (hkl) >= intensidad medida de la reflexión (hkl) Io (hkl) >= intensidad estándar de los datos de difracción en polvo estándar según la tarjeta JCPDF nº 42-1468 n >= número de reflexiones usadas en el cálculo, por el cual las reflexiones (hkl) usadas son: (012), (104), (110), (113), (116), (300) y (0 0 12).

Description

imagen1
imagen2
imagen3
imagen4
Tabla 1 -Revestimientos de α-Al2O3
Revestimiento
H2S [% vol] SO2 [% vol] CO2 [% vol] AlCl3 [% vol] Ar2 [% vol] N2 [% vol] HCl [% vol] H2 [% vol] Presión, kPa (mbar) Relación CO2/X
1a
0,5 -- 5,0 3,4 5,0 10,0 3,4 resto 8 (80) 10
1b
0,5 -- 2,5 3,2 5,0 10,0 3,3 resto 8 (80) 5
2a
1,0 -- 8,0 5,4 5,0 10,0 5,4 resto 8 (80) 8
2b X
1,0 -- 4,0 2,7 5,0 10,0 2,7 resto 8 (80) 4
3a
1,8 -- 14,4 9,6 5,0 10,0 9,6 resto 8 (80) 8
3b X
1,8 -- 9,0 6,0 5,0 10,0 6,0 resto 8 (80) 5
3c X
1,8 -- 3,6 2,4 5,0 10,0 2,4 resto 8 (80) 2
4a
2,4 -- 21,6 14,4 5,0 10,0 14,4 resto 8 (80) 9
4b X
2,4 -- 2,4 1,6 5,0 10,0 1,6 resto 8 (80) 1
5
0,4 0,1 4,0 2,7 5,0 10,0 2,7 resto 8 (80) 8
6
0,9 0,1 16,0 10,5 5,0 10,0 11,0 resto 8 (80) 16
7 X
0,9 0,1 4,0 4,7 5,0 10,0 7,2 resto 8 (80) 4
8
1,5 0,3 15,0 10,0 5,0 10,0 12,0 resto 8 (80) 8,3
9 X
1,5 0,3 7,5 5,0 5,0 10,0 5,0 resto 8 (80) 4,2
10 X
1,5 0,3 2,0 1,4 5,0 10,0 1,4 resto 8 (80) 1,1
11
2,0 0,4 20,0 2,0 5,0 10,0 2,0 resto 8 (80) 8,4
12 X
2,0 0,4 3,0 2,0 5,0 10,0 2,0 resto 8 (80) 1,3
X = invención
Tabla 2 -Revestimientos de α-Al2O3
Revestimiento
TC (0 0 12) Azufre [ppm]
1a
-- 15
1b
2,2 30
2a
2,6 40
2b X
4,8 101
3a
3,8 60
3b X
4,1 108
3c X
5,9 220
4a
3,2 80
4b X
6,8 390
5
4,2 51
6
0,8 32
6
7 X
5,7 102
8
3,8 40
9 X
6,1 119
10 X
6,7 222
11
2,3 72
12 X
6,9 385
X = invención
Los insertos con los revestimientos 4a y 4b fueron ensayados en cuanto al coeficiente de fricción usando el método de aguja en disco. El revestimiento 4a mostró un coeficiente de fricción de 0,56, mientras que los revestimientos 4b y 12 mostraron un coeficiente de fricción más bajo, de 0,42 y 0,39, respectivamente. Por tanto, se ha identificado que
5 un alto contenido de azufre en los revestimientos de alúmina alfa es reductor de la fricción. Ejemplo 2 -Ensayos de tenacidad de borde Las muestras 1a a 4b del Ejemplo 1 se ensayaron con respecto a la tenacidad de borde (resistencia al astillado) en
torneado longitudinal de hierro colado (GG25) usando los siguientes parámetros de corte: Pieza de trabajo: GG25; barra cilíndrica
10 Tipo de inserto: SNUN Velocidad de corte: vc = 400 m/min Alimentación (f) = 0,4 mm/rev Profundidad de corte: ap = 2,0 mm Comentarios: torneado en seco
15 Los insertos fueron inspeccionados después de 2 y 4 minutos de corte. Como se muestra en la Tabla 3, en comparación con el revestimiento de la técnica anterior, la tenacidad de borde de las muestras fue aumentada considerablemente cuando el revestimiento se produjo según esta invención.
Tabla 3 -Tenacidad de borde
Revestimiento
Desconchado de la línea del borde (%) después de 2 minutos Desconchado de la línea del borde (%) después de 4 minutos
1a
22 34
1b
18 32
2a
18 41
2b
12 32
3a
19 29
3b X
2 8
3c X
0 4
4a
18 33
4b X
0 3
X = invención
7
imagen5

Claims (1)

  1. imagen1
    imagen2
ES11181640T 2011-09-16 2011-09-16 Herramienta de corte revestida con alúmina alfa que contiene azufre Active ES2567039T5 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11181640.1A EP2570510B2 (en) 2011-09-16 2011-09-16 Sulfur containing alpha-alumina coated cutting tool

Publications (2)

Publication Number Publication Date
ES2567039T3 true ES2567039T3 (es) 2016-04-19
ES2567039T5 ES2567039T5 (es) 2019-07-03

Family

ID=46970250

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US (1) US20140173996A1 (es)
EP (1) EP2570510B2 (es)
ES (1) ES2567039T5 (es)
WO (1) WO2013037998A2 (es)

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EP2570511B2 (en) 2011-09-16 2025-08-06 Walter AG Grain boundary engineered alpha-alumina coated cutting tool
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EP3034652A1 (en) 2014-12-19 2016-06-22 Sandvik Intellectual Property AB CVD coated cutting tool
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Also Published As

Publication number Publication date
WO2013037998A2 (en) 2013-03-21
EP2570510A1 (en) 2013-03-20
WO2013037998A3 (en) 2013-05-10
US20140173996A1 (en) 2014-06-26
EP2570510B1 (en) 2016-03-30
ES2567039T5 (es) 2019-07-03
EP2570510B2 (en) 2019-02-13

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