WO2021160381A1 - Piece d'usure composite - Google Patents
Piece d'usure composite Download PDFInfo
- Publication number
- WO2021160381A1 WO2021160381A1 PCT/EP2021/051040 EP2021051040W WO2021160381A1 WO 2021160381 A1 WO2021160381 A1 WO 2021160381A1 EP 2021051040 W EP2021051040 W EP 2021051040W WO 2021160381 A1 WO2021160381 A1 WO 2021160381A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ceramic
- insert
- wear part
- holes
- part according
- Prior art date
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 239000000919 ceramic Substances 0.000 claims abstract description 74
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 15
- 239000000956 alloy Substances 0.000 claims abstract description 15
- 230000002787 reinforcement Effects 0.000 claims abstract description 10
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 28
- 238000005266 casting Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 229910001018 Cast iron Inorganic materials 0.000 claims description 9
- 239000008187 granular material Substances 0.000 claims description 7
- 238000011065 in-situ storage Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 230000008595 infiltration Effects 0.000 claims description 5
- 238000001764 infiltration Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 150000001247 metal acetylides Chemical class 0.000 claims description 5
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 239000012700 ceramic precursor Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000000227 grinding Methods 0.000 description 6
- 150000004767 nitrides Chemical class 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000011195 cermet Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/02—Casting in, on, or around objects which form part of the product for making reinforced articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
- B22D23/04—Casting by dipping
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1005—Pretreatment of the non-metallic additives
- C22C1/1015—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1005—Pretreatment of the non-metallic additives
- C22C1/1015—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform
- C22C1/1021—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform the preform being ceramic
-
- 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
-
- 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
- C22C29/12—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12007—Component of composite having metal continuous phase interengaged with nonmetal continuous phase
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12486—Laterally noncoextensive components [e.g., embedded, etc.]
Definitions
- the present invention relates to a composite wearing part produced in a foundry by casting a ferrous alloy. It relates more particularly to a wear part reinforced by a three-dimensional hollow ceramic structure integrated into the wear part and a geometric structure adapted to the wear stress. It also discloses a method of manufacturing said wear part.
- Composite wear parts produced in a foundry are well known in the state of the art. These are mainly cast iron parts reinforced in a targeted manner on the faces most exposed to wear by alumina-zirconia type ceramics or carbides, nitrides or other intermetallic elements arranged according to particular three-dimensional geometries within the unit. the metal matrix.
- the particular arrangement of the reinforcement structures makes it possible to create hierarchical composites with differentiated reinforcement according to the arrangement or the geometric shape of the particles or of the reinforcement structures.
- ceramic wafers in the form of hollow structures of the honeycomb type or even aggregates of millimeter granules arranged in “cakes” inside a sand mold on the left side. more stress on the part with interstices allowing infiltration by liquid iron during casting.
- a composite wearing part can, on the one hand, be reinforced with, for example, already formed titanium carbide which can be place in the mold before casting and the interstices of which are simply infiltrated by the casting metal at around 1500 ° C and, on the other hand, be reinforced with titanium carbide which will be formed in situ from titanium and carbon reagents mixed beforehand in the form of powder and forming TiC by thermal reaction self-propagated towards 2500 ° C, the reaction being initiated by the casting metal which will then be sucked by capillary action into the reinforcing ceramic structure in order to fill the interstices therein.
- Document WO98 / 15373 discloses a composite wear part with a ceramic reinforcement based on alumina-zirconia in the shape of a honeycomb.
- Document W003 / 047791 discloses a composite wearing part with ceramics of the carbide, nitride, oxides or intermetallic elements formed in situ according to a self-propagating thermal reaction initiated by the liquid cast iron which then infiltrates said ceramic structure a once formed.
- W02010 / 031663; WO 2010/031662 disclose hierarchical composite wear parts reinforced with titanium carbide formed in situ where the reagents are introduced as granules into the mold. Wear parts are illustrated by dredge teeth, cones and crushing hammers.
- Document WO2018 / 069006 discloses a grinding roller where the wear zones are reinforced in a differentiated manner depending on the stress.
- the present invention aims to provide a composite wear part with a ceramic reinforcing insert of improved geometry, both the structure and the positioning of which are adapted to the wear stress. It aims to recreate a resistant structure after a first wear of the ceramic reinforcement on the most stressed side of the wearing part.
- the present invention discloses a composite wear part comprising a ferrous alloy matrix and at least one ceramic reinforcement in the form of an insert with a perforated structure, the perforated structure comprising blind holes, the blind side of the holes being positioned on the most stressed side of said wear part.
- the preferred embodiments of the invention comprise at least one, or any suitable combination of the following characteristics:
- Said ceramic insert comprises at least two zones (A, B), the most stressed area (A) comprising a majority of blind holes and the least stressed area (B) comprising a majority of through holes;
- the blind side of the ceramic insert is partially or entirely formed by a ceramic of different composition from that forming the zone (B) with the through holes;
- the insert comprises at least two superimposed ceramic reinforcement structures (D, E) in zone (A);
- the blind holes are arranged obliquely in the insert
- the blind holes have a frustoconical shape
- the ceramic insert contains alumina-zirconia
- the ceramic insert comprises carbides formed in situ by a self-propagating exothermic reaction, preferably titanium carbide;
- the ceramic insert comprises grains of a metallic ceramic composite (CERMET);
- the ceramic structure comprises zirconia alumina in proportions of alumina ranging from 10 to 90% by volume and zirconia ranging from 90 to 10% by volume, the zirconia optionally being stabilized with yttrium oxide.
- the present invention also discloses a method for producing a wearing part according to the invention comprising the following steps: providing a mold for producing a wearing part by casting a ferrous alloy; placing an insert according to the invention in the form of an aggregate of millimeter granules of ceramic material or of infiltrable ceramic precursors in the mold with the blind side of the side most stressed of the wearing part; infiltration of the insert by the liquid ferrous alloy.
- the method according to the invention is preferably practiced with: a ferrous alloy comprising steel or cast iron; - aggregates of millimeter ceramic granules where aggregates of infiltrable ceramic precursors are selected from the following compositions: o Alumina-zirconia in proportions 90/10 to 10/90, the zirconia optionally being stabilized with yttrium oxide ; o Powdered carbon and titanium optionally comprising iron powder as a moderator of the reaction initiated by the casting of the ferrous alloy; o Metal-ceramic composites (CERMET).
- a ferrous alloy comprising steel or cast iron
- - aggregates of millimeter ceramic granules where aggregates of infiltrable ceramic precursors are selected from the following compositions: o Alumina-zirconia in proportions 90/10 to 10/90, the zirconia optionally being stabilized with yttrium oxide ; o Powdered carbon and titanium optionally comprising iron powder as a moderator of the reaction
- the inserts are defined as being infiltrable three-dimensional structures formed of more or less porous aggregates or even of agglomerates of millimeter particles with interstices.
- Figure 1 shows the element of a ceramic insert with blind holes according to the invention.
- the insert is presented here schematically in its simplest form. Such an insert is positioned on the blind side on the face most exposed to wear. Such an insert has many interstices, or pores (not shown) which are intended to be infiltrated by the ferrous alloy during casting.
- Figure 2 shows a ceramic insert based on the same principle as that described in Figure 1 but with larger blind holes to illustrate the different possibilities of making blind holes in such a ceramic insert.
- Figure 3 shows a ceramic insert with blind holes based on the same principle as that described in Figure 1 but this time the insert is in two different ceramic layers D and E.
- Figure 4 shows a ceramic insert with blind holes based on the same principle as that described in Figure 3 but this time with deeper blind holes penetrating into the second layer E.
- Figure 5 shows a ceramic insert with blind holes based on the same principle as that described in figure 3 but this time made with enlarged holes.
- Figure 6 shows a ceramic insert with blind holes based on the same principle as that described in Figure 1 but this time with blind holes associated in a proportion of about half and half to through holes of section bigger.
- Figure 7 shows a ceramic insert with blind holes based on the same principle as that described in Figure 1 but this time with blind holes associated in a minority proportion with through holes of larger section.
- the blind holes of smaller diameter than the through holes, are in the majority.
- Figure 8 shows a ceramic insert with two different stress areas A and B.
- the area A most exposed to wear mainly comprises blind holes and the area B less exposed to wear mainly comprises through holes.
- the through holes in zone B have a larger section than the blind holes.
- Figure 9 shows the same configuration as Figure 8 but this time with a different ceramic side A and side B.
- Figure 10 shows the same configuration as Figure 8 but this time not only with a different ceramic side A and side B, but also with two different ceramic layers D and E in zone A, with a more resistant ceramic wear on the blind side of zone A.
- Figure 11 shows a ceramic insert according to the invention with blind holes positioned obliquely.
- Figure 12 shows a ceramic insert according to the invention with blind holes of frustoconical shape.
- FIG. 13 represents an illustrative example of a wearing part according to the invention in the form of a grinding roller for a vertical rotary grinder where the zone A most exposed to wear comprises the ceramic insert with blind holes. Zone A is adjacent to Zone B with less wear and tear with through holes.
- Figure 14 schematically shows the use of a grinding roller on a table of a vertical rotary grinder.
- Figure 15 schematically shows a grinding cone with a ceramic insert with blind holes.
- Wear parts produced in a foundry are widely used in the mining industries for crushing rocks and ores or in the field of dredging. Without being limiting, we can for example cite, for the crushing of rocks, the composite impactors for impact crushers, the mobile cones of compression crushers or the tables of rollers of vertical compression crushers.
- Ceramic reinforcements are generally introduced in the form of a prefabricated ceramic insert or even in the form of an insert in which the interstices have already been filled with liquid cast iron and cooled before being reintroduced into a mold to cast the part wear that one wishes to obtain.
- composition possibilities for making an insert according to the invention there are many composition possibilities for making an insert according to the invention.
- Maintaining the insert in the mold during casting also requires a certain know-how acquired by manufacturers over the years.
- the inventors of the present invention have now produced a ceramic insert structure that perfectly meets this compromise.
- This has a perforated structure with blind holes, the blind side being placed on the most stressed side of the wearing part so as to offer a high resistance to wear at the start of use and once the blind side. (bottom of holes) worn, resistance to impact and wear by presenting through holes.
- the holes made in the structure of the insert have a diameter generally between 1 and 10 cm, preferably between 1 and 8 cm and particularly preferably between 1 and 4 cm.
- the depth of the blind holes depends on the total thickness of the insert and the specific use, it generally represents between 20 and 85% of the total thickness, preferably between 30 and 80% and particularly preferred between 40 and 70%.
- the insert can be made in several superimposed layers (D and
- the blind side can therefore be formed by a ceramic composition different from that comprising the holes which is superimposed or adjacent to it (see figures).
- holes are preferred for the holes, it is obvious that the invention is not limited to this shape.
- the holes can therefore have any shape of section, for example hexagonal squares or any shape.
- blind holes sit alongside through holes, the proportion of blind holes must however be significant, that is to say greater than 20%, preferably greater than 40% and particularly preferably greater than 60%.
- the terminal holes in the most stressed area of the wear part have a section and / or an opening area smaller than that of the holes in the least stressed area.
- the general concept of the invention lies in the fact that the first wear is on a side reinforced by an insert mainly devoid of holes, here in this case the blind side of the insert, which once worn offers always a strong resistance to wear with through holes of a smaller cross section compared to the through hole sections located on the least stressed side of the wearing part.
- the invention is not limited by a precise composition of ceramics, ceramics based on alumina-zirconia or even titanium carbide, placed as such in the mold (cermet grains) or formed in situ by self-propagating thermal reaction are however preferred. Proportions of alumina-zirconia comprising 10 to 90% alumina and 90 to 10% zirconia by volume are preferred, the zirconia optionally being stabilized with yttrium oxide.
- the present invention has been exemplified by a roller of a vertical rotary crusher and moving parts of a cone crusher which have been produced with, on the one hand, an insert comprising through holes according to the state of the art and d 'on the other hand with inserts essentially comprising blind holes according to the invention.
- Machine type Secondary cone crusher Type of wearing part: Moving part
- Type of ground material Rhyolite 50-150 mm
- Type of crushed material Silico-Limestone Number of operating hours with and without through inserts on the most stressed part:
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Laminated Bodies (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Ceramic Products (AREA)
Abstract
Description
Claims
Priority Applications (19)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MA55985A MA55985B1 (fr) | 2020-02-11 | 2021-01-19 | Piece d'usure composite |
KR1020227002017A KR20220024784A (ko) | 2020-02-11 | 2021-01-19 | 복합 마모 부품 |
RU2022100095A RU2781511C2 (ru) | 2020-02-11 | 2021-01-19 | Композитная изнашиваемая деталь |
CA3146261A CA3146261C (fr) | 2020-02-11 | 2021-01-19 | Piece d'usure composite |
ES21701695T ES2959034T3 (es) | 2020-02-11 | 2021-01-19 | Pieza de desgaste compuesta |
JP2022503899A JP7201871B2 (ja) | 2020-02-11 | 2021-01-19 | 複合摩耗部品 |
FIEP21701695.5T FI3969206T3 (fi) | 2020-02-11 | 2021-01-19 | Komposiittinen kulutuskappale |
AU2021221223A AU2021221223B2 (en) | 2020-02-11 | 2021-01-19 | Composite wear part |
DK21701695.5T DK3969206T3 (da) | 2020-02-11 | 2021-01-19 | Kompositsliddel |
PE2022000056A PE20220308A1 (es) | 2020-02-11 | 2021-01-19 | Pieza de desgaste compuesta |
CN202180003960.1A CN114206524B (zh) | 2020-02-11 | 2021-01-19 | 复合材料磨损零件 |
BR112022000714A BR112022000714A2 (pt) | 2020-02-11 | 2021-01-19 | Peça de desgaste compósita e método para fabricar uma peça de desgaste |
PL21701695.5T PL3969206T3 (pl) | 2020-02-11 | 2021-01-19 | Kompozytowa część eksploatacyjna |
EP21701695.5A EP3969206B1 (fr) | 2020-02-11 | 2021-01-19 | Piece d'usure composite |
MX2022000876A MX2022000876A (es) | 2020-02-11 | 2021-01-19 | Pieza de desgaste compuesta. |
MYPI2022000498A MY195424A (en) | 2020-02-11 | 2021-01-19 | Composite Wear Part |
US17/546,688 US11534822B2 (en) | 2020-02-11 | 2021-12-09 | Composite wear part |
CONC2022/0000436A CO2022000436A2 (es) | 2020-02-11 | 2022-01-20 | Pieza de desgaste compuesta |
ZA2022/01890A ZA202201890B (en) | 2020-02-11 | 2022-02-14 | Composite wear part |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BEBE2020/5083 | 2020-02-11 | ||
BE20205083A BE1027444B1 (fr) | 2020-02-11 | 2020-02-11 | Piece d'usure composite |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/546,688 Continuation US11534822B2 (en) | 2020-02-11 | 2021-12-09 | Composite wear part |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021160381A1 true WO2021160381A1 (fr) | 2021-08-19 |
Family
ID=69645868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2021/051040 WO2021160381A1 (fr) | 2020-02-11 | 2021-01-19 | Piece d'usure composite |
Country Status (22)
Country | Link |
---|---|
US (1) | US11534822B2 (fr) |
EP (1) | EP3969206B1 (fr) |
JP (1) | JP7201871B2 (fr) |
KR (1) | KR20220024784A (fr) |
CN (1) | CN114206524B (fr) |
AU (1) | AU2021221223B2 (fr) |
BE (1) | BE1027444B1 (fr) |
BR (1) | BR112022000714A2 (fr) |
CA (1) | CA3146261C (fr) |
CL (1) | CL2022000084A1 (fr) |
CO (1) | CO2022000436A2 (fr) |
DK (1) | DK3969206T3 (fr) |
ES (1) | ES2959034T3 (fr) |
FI (1) | FI3969206T3 (fr) |
MA (1) | MA55985B1 (fr) |
MX (1) | MX2022000876A (fr) |
MY (1) | MY195424A (fr) |
PE (1) | PE20220308A1 (fr) |
PL (1) | PL3969206T3 (fr) |
PT (1) | PT3969206T (fr) |
WO (1) | WO2021160381A1 (fr) |
ZA (1) | ZA202201890B (fr) |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998015373A1 (fr) | 1996-10-01 | 1998-04-16 | Hubert Francois | Piece d'usure composite |
WO2003047791A1 (fr) | 2001-12-04 | 2003-06-12 | DE PODHRADSZKY Natasha | Pieces de fonderie avec une resistance accrue a l'usure |
WO2010031663A1 (fr) | 2008-09-19 | 2010-03-25 | Magotteaux International S.A. | Impacteur composite pour concasseurs à percussion |
WO2010031661A1 (fr) | 2008-09-19 | 2010-03-25 | Magotteaux International S.A. | Cône de broyage pour concasseur a compression |
WO2010031660A1 (fr) | 2008-09-19 | 2010-03-25 | Magotteaux International S.A. | Dent composite pour le travail du sol ou des roches |
WO2010031662A1 (fr) | 2008-09-19 | 2010-03-25 | Magotteaux International S.A. | Materiau composite hierarchique |
US20110259184A1 (en) * | 2010-04-26 | 2011-10-27 | Adams Richard W | Multi-structure metal matrix composite armor with integrally cast holes |
EP2450132A2 (fr) * | 2010-11-03 | 2012-05-09 | SHW Casting Technologies GmbH | Corps de traitement pour le broyage d'un matériau de chargement |
WO2014125034A1 (fr) * | 2013-02-18 | 2014-08-21 | Amincem S.A. | Composite à matrice métallique utile comme pièces d'usure dans les industries du ciment et de l'extraction minière |
WO2018069006A1 (fr) | 2016-10-12 | 2018-04-19 | Magotteaux International S.A. | Galet de broyage |
CN108262465A (zh) * | 2018-01-26 | 2018-07-10 | 济南韶欣耐磨材料有限公司 | 一种耐磨反击式破碎机板锤的制造方法 |
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SE399911C (sv) | 1976-02-05 | 1980-02-18 | Sandvik Ab | Slitdetalj med hog slitstyrka och god hallfasthet, sammansatt av hardmetall och gjutjern |
DE3315125C1 (de) | 1983-04-27 | 1984-11-22 | Fried. Krupp Gmbh, 4300 Essen | Verschleissbestaendiger Verbundkoerper und Verfahren zu seiner Herstellung |
US4606506A (en) | 1984-05-04 | 1986-08-19 | Kawasaki Jukogyo Kabushiki Kaisha | Vertical type roller mill |
DE3530924A1 (de) * | 1985-08-29 | 1987-03-12 | Alcan Aluminiumwerke | Hitzebestaendiges bauteil und verfahren zu dessen herstellung |
JPS62252657A (ja) * | 1986-04-23 | 1987-11-04 | Toyota Motor Corp | 冷熱サイクル特性に優れた鋳包み構造及びその形成方法 |
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Publication number | Publication date |
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EP3969206B1 (fr) | 2023-08-02 |
ZA202201890B (en) | 2022-05-25 |
FI3969206T3 (fi) | 2023-10-02 |
US11534822B2 (en) | 2022-12-27 |
MY195424A (en) | 2023-01-20 |
CA3146261C (fr) | 2023-12-05 |
MX2022000876A (es) | 2022-02-14 |
CA3146261A1 (fr) | 2021-08-19 |
DK3969206T3 (da) | 2023-10-16 |
BR112022000714A2 (pt) | 2022-03-22 |
PT3969206T (pt) | 2023-10-02 |
RU2022100095A (ru) | 2022-04-08 |
PE20220308A1 (es) | 2022-03-09 |
AU2021221223A1 (en) | 2022-02-17 |
JP2022533471A (ja) | 2022-07-22 |
CL2022000084A1 (es) | 2022-08-26 |
EP3969206A1 (fr) | 2022-03-23 |
AU2021221223B2 (en) | 2022-05-26 |
JP7201871B2 (ja) | 2023-01-10 |
KR20220024784A (ko) | 2022-03-03 |
BE1027444B1 (fr) | 2021-02-10 |
US20220097128A1 (en) | 2022-03-31 |
MA55985A (fr) | 2022-03-23 |
PL3969206T3 (pl) | 2024-02-05 |
CN114206524A (zh) | 2022-03-18 |
MA55985B1 (fr) | 2023-10-31 |
CO2022000436A2 (es) | 2022-01-28 |
CN114206524B (zh) | 2023-07-25 |
ES2959034T3 (es) | 2024-02-19 |
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