ES2526604T3 - Polvos duros con recubrimiento tenaz y artículos sinterizados de los mismos - Google Patents

Polvos duros con recubrimiento tenaz y artículos sinterizados de los mismos Download PDF

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Publication number
ES2526604T3
ES2526604T3 ES08007312.5T ES08007312T ES2526604T3 ES 2526604 T3 ES2526604 T3 ES 2526604T3 ES 08007312 T ES08007312 T ES 08007312T ES 2526604 T3 ES2526604 T3 ES 2526604T3
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ES
Spain
Prior art keywords
intermediate layer
particles
sintered articles
tough coating
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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ES08007312.5T
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English (en)
Inventor
Richard Edmund Toth
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ALLOMET Corp
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ALLOMET Corp
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Publication of ES2526604T3 publication Critical patent/ES2526604T3/es
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/1436—Composite particles, e.g. coated particles
    • C09K3/1445—Composite particles, e.g. coated particles the coating consisting exclusively of metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/18—Non-metallic particles coated with metal
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/252—Glass or ceramic [i.e., fired or glazed clay, cement, etc.] [porcelain, quartz, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • Y10T428/257—Iron oxide or aluminum oxide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]

Abstract

Material sinterizado que comprende una pluralidad de particulas de nudeo, que consisten en nitruro de boro cúbico; una capa intermedia sobre cada una de las particulas de nucleo, consistiendo la capa intermedia en WC o W2C, formando de ese modo particulas recubiertas, y en la que la capa intermedia tiene un espesor, tras la sinterización, en el intervalo de desde el 5% hasta el 25% del diametro de las particulas de núcleo; y un aglutinante que se superpone a la capa intermedia sobre las particulas recubiertas y que constituye una capa que incluye hierro, cobalto, niquel, sus mezclas, sus aleaciones o sus compuestos intermetalicos, y en el que la capa de aglutinante tiene un espesor tras la sinterización en el intervalo de desde el 3% hasta el 12% del diametro de las particulas recubiertas.

Description

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Claims (1)

  1. imagen1
ES08007312.5T 1997-05-13 1998-05-13 Polvos duros con recubrimiento tenaz y artículos sinterizados de los mismos Expired - Lifetime ES2526604T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4688597P 1997-05-13 1997-05-13
US46885P 1997-05-13

Publications (1)

Publication Number Publication Date
ES2526604T3 true ES2526604T3 (es) 2015-01-13

Family

ID=21945926

Family Applications (2)

Application Number Title Priority Date Filing Date
ES98922257T Expired - Lifetime ES2357806T3 (es) 1997-05-13 1998-05-13 Polvos duros con recubrimiento tenaz y artículos sinterizados de los mismos.
ES08007312.5T Expired - Lifetime ES2526604T3 (es) 1997-05-13 1998-05-13 Polvos duros con recubrimiento tenaz y artículos sinterizados de los mismos

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES98922257T Expired - Lifetime ES2357806T3 (es) 1997-05-13 1998-05-13 Polvos duros con recubrimiento tenaz y artículos sinterizados de los mismos.

Country Status (23)

Country Link
US (1) US6372346B1 (es)
EP (2) EP2009124B1 (es)
JP (3) JP4945814B2 (es)
KR (2) KR100769157B1 (es)
CN (2) CN1077457C (es)
AT (1) ATE491528T1 (es)
AU (1) AU725818B2 (es)
BR (1) BR9809615A (es)
CA (1) CA2289200C (es)
CZ (1) CZ302016B6 (es)
DE (1) DE69842049D1 (es)
DK (1) DK1009545T3 (es)
EA (1) EA002903B1 (es)
EE (1) EE9900525A (es)
ES (2) ES2357806T3 (es)
HK (1) HK1028368A1 (es)
HU (1) HU222859B1 (es)
IL (1) IL132807A0 (es)
NO (1) NO995498L (es)
PL (1) PL187539B1 (es)
TW (1) TW413644B (es)
UA (1) UA57080C2 (es)
WO (1) WO1998051419A1 (es)

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