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1. WO2019185481 - A ROCK DRILL INSERT

Publication Number WO/2019/185481
Publication Date 03.10.2019
International Application No. PCT/EP2019/057265
International Filing Date 22.03.2019
IPC
C22C 29/08 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
29Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides
02based on carbides or carbonitrides
06based on carbides, but not containing other metal compounds
08based on tungsten carbide
C04B 35/56 2006.01
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
35Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
515based on non-oxides
56based on carbides
B22F 5/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
5Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
C04B 35/626 2006.01
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
35Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
626Preparing or treating the powders individually or as batches
C04B 35/63 2006.01
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
35Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
626Preparing or treating the powders individually or as batches
63using additives specially adapted for forming the products
C04B 35/634 2006.01
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
35Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
626Preparing or treating the powders individually or as batches
63using additives specially adapted for forming the products
632Organic additives
634Polymers
CPC
B22F 2005/001
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
5Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
001Cutting tools, earth boring or grinding tool other than table ware
C04B 2235/3839
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE
2235Aspects relating to ceramic starting mixtures or sintered ceramic products
02Composition of constituents of the starting material or of secondary phases of the final product
30Constituents and secondary phases not being of a fibrous nature
38Non-oxide ceramic constituents or additives
3817Carbides
3839Refractory metal carbides
C04B 2235/3847
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE
2235Aspects relating to ceramic starting mixtures or sintered ceramic products
02Composition of constituents of the starting material or of secondary phases of the final product
30Constituents and secondary phases not being of a fibrous nature
38Non-oxide ceramic constituents or additives
3817Carbides
3839Refractory metal carbides
3847Tungsten carbides
C04B 2235/404
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE
2235Aspects relating to ceramic starting mixtures or sintered ceramic products
02Composition of constituents of the starting material or of secondary phases of the final product
30Constituents and secondary phases not being of a fibrous nature
40Metallic constituents or additives not added as binding phase
404Refractory metals
C04B 2235/405
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE
2235Aspects relating to ceramic starting mixtures or sintered ceramic products
02Composition of constituents of the starting material or of secondary phases of the final product
30Constituents and secondary phases not being of a fibrous nature
40Metallic constituents or additives not added as binding phase
405Iron group metals
C04B 2235/5436
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE
2235Aspects relating to ceramic starting mixtures or sintered ceramic products
02Composition of constituents of the starting material or of secondary phases of the final product
50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
54Particle size related information
5418expressed by the size of the particles or aggregates thereof
5436micrometer sized, i.e. from 1 to 100 micron
Applicants
  • SANDVIK MINING AND CONSTRUCTION TOOLS AB [SE]/[SE]
Inventors
  • LILJA, Mirjam
  • TARRAGÒ CIFRE, José, Maria
  • BORGH, Ida
  • MÅRTENSSON, Malin
  • ARVANITIDIS, Ioannis
  • TURBA, Krystof
Agents
  • SANDVIK ASSOCIATION
Priority Data
18164215.827.03.2018EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A ROCK DRILL INSERT
(FR) PIÈCE RAPPORTÉE DE FLEURET DE MINE
Abstract
(EN)
A rock drill insert made of cemented carbide that comprises hard constituents of tungsten carbide (WC) in a binder phase of Ni-Cr, or Ni-Co-Cr, and balance WC and unavoidable impurities, wherein the cemented carbide comprises 3.5-18 wt% binder phase, the binder phase comprises > 0 wt% Ni, the mass ratio Cr/(Ni+Co) is 0.02- 0.19, the difference between the hardness at 0.3 mm depth at some point of the surface of the rock drill insert and the minimum hardness of the bulk of the rock drill insert is at least 30 HV3.
(FR)
Cette invention une pièce rapportée de fleuret de mine en carbure cémenté qui comprend des constituants durs de carbure de tungstène (WC) dans une phase liante de Ni-Cr ou Ni-Co-Cr, le reste étant du WC et les inévitables impuretés, le carbure cémenté comprenant 3,5 à 18 % en masse de phase liante, la phase liante comprenant > 0 % en masse de Ni, le rapport de masse Cr/(Ni+Co) allant de 0,002 à 0,19, la différence entre la dureté à une profondeur de 0,3 mm à quelque point de la surface de la pièce rapportée de fleuret de mine et la dureté minimale de l'ensemble de la pièce rapportée de fleuret de mine étant d'au moins 30 HV3.
Also published as
ZA2020/05778
JP2020551458
MXMX/a/2020/010073
RU2020131592
Latest bibliographic data on file with the International Bureau