CN115323218A - Light high-strength snow shoveling sheet and preparation method thereof - Google Patents
Light high-strength snow shoveling sheet and preparation method thereof Download PDFInfo
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- CN115323218A CN115323218A CN202210980508.7A CN202210980508A CN115323218A CN 115323218 A CN115323218 A CN 115323218A CN 202210980508 A CN202210980508 A CN 202210980508A CN 115323218 A CN115323218 A CN 115323218A
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- 238000002360 preparation method Methods 0.000 title abstract description 9
- 238000000498 ball milling Methods 0.000 claims abstract description 24
- 239000010941 cobalt Substances 0.000 claims abstract description 24
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 24
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 24
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910039444 MoC Inorganic materials 0.000 claims abstract description 22
- QIJNJJZPYXGIQM-UHFFFAOYSA-N 1lambda4,2lambda4-dimolybdacyclopropa-1,2,3-triene Chemical compound [Mo]=C=[Mo] QIJNJJZPYXGIQM-UHFFFAOYSA-N 0.000 claims abstract description 19
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims abstract description 19
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000010936 titanium Substances 0.000 claims abstract description 18
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 13
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005245 sintering Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 5
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000012188 paraffin wax Substances 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 5
- 239000011230 binding agent Substances 0.000 claims description 4
- 125000003158 alcohol group Chemical group 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000000956 alloy Substances 0.000 abstract description 13
- 229910045601 alloy Inorganic materials 0.000 abstract description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052721 tungsten Inorganic materials 0.000 abstract description 5
- 239000010937 tungsten Substances 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 239000000654 additive Substances 0.000 abstract description 2
- ZGDWHDKHJKZZIQ-UHFFFAOYSA-N cobalt nickel Chemical compound [Co].[Ni].[Ni].[Ni] ZGDWHDKHJKZZIQ-UHFFFAOYSA-N 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- JPNWDVUTVSTKMV-UHFFFAOYSA-N cobalt tungsten Chemical compound [Co].[W] JPNWDVUTVSTKMV-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 229910003296 Ni-Mo Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910002110 ceramic alloy Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- DDTIGTPWGISMKL-UHFFFAOYSA-N molybdenum nickel Chemical compound [Ni].[Mo] DDTIGTPWGISMKL-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- 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
- B22F1/12—Metallic powder containing non-metallic particles
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to the technical field of hard alloy, and discloses a light high-strength snow shoveling sheet aiming at the problems of low strength, high production difficulty, high cost and consumption of a large amount of rare metal resources such as tungsten and the like of the existing snow shoveling sheet alloy material, which comprises the following components: 10-15% of tungsten carbide, 20-25% of nickel powder, 5-10% of cobalt, 2-5% of molybdenum carbide, 0.05-1.5% of thorium dioxide and the balance of titanium carbonitride; the preparation method of the light high-strength snow shoveling sheet comprises the following steps: s1, mixing the components according to mass fraction, and performing ball milling to obtain a premix I; s2, drying the premix I, and removing a ball milling medium to obtain a mixture II; s3, sintering the mixture II at a high temperature of 1500-1550 ℃ to obtain the snow shoveling sheet. According to the snow shoveling sheet, tungsten carbide and titanium carbonitride are used as frameworks, cobalt nickel is used as a binding phase, thorium dioxide and molybdenum carbide are used as additives, and the hard alloy snow shoveling sheet with high strength and good comprehensive performance can be prepared.
Description
Technical Field
The invention relates to the technical field of hard alloy, in particular to a light high-strength snow shoveling sheet and a preparation method thereof.
Background
In the ice and snow weather, in order to ensure the safety of traveling, a snow shoveling tool is required to clean the ice and snow accumulated on the road surface. Common snow shoveling tools include snow shovels, snow removers and the like, wherein snow shoveling pieces are used for shoveling snow and ice, and the snow shoveling pieces are mostly made of tungsten-cobalt alloy. However, the snow shoveling sheets commonly used at present have the following problems: although the snow shoveling sheet made of the ceramic alloy has strong wear resistance and lighter single weight, the snow shoveling sheet has low strength and is fragile, namely the snow shoveling effect is poor; the snow shoveling sheet made of coarse-grained hard alloy has strong impact toughness and can be used for a long time, but has high density and large unit weight, consumes a large amount of rare metals such as tungsten and the like, and causes high production cost.
Therefore, a snow shoveling sheet with light weight and high strength is urgently needed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows:
at present, the common snow shoveling sheet made of alloy has the problems of poor snow shoveling effect caused by low snow shoveling strength, or large production difficulty, high production cost and large consumption of rare metal resources such as tungsten and the like caused by the scarcity of part of metal component resources in the raw materials for preparation.
The technical scheme adopted by the invention is as follows:
the invention provides a light high-strength snow shoveling sheet which comprises the following components in parts by mass: 10-15% of tungsten carbide, 20-25% of nickel powder, 5-10% of cobalt, 2-5% of molybdenum carbide, 0.05-1.5% of thorium dioxide and the balance of titanium carbonitride.
Preferably, the ratio by mass of molybdenum carbide: nickel powder =1:6-11.
Preferably, the composition comprises the following components in percentage by mass: 12% of tungsten carbide, 20% of nickel powder, 10% of cobalt, 2.2% of molybdenum carbide, 0.3% of thorium dioxide and 55.5% of titanium carbonitride.
Preferably, the paint consists of the following components in percentage by mass: 12% of tungsten carbide, 22% of nickel powder, 8% of cobalt, 5% of molybdenum carbide, 1% of thorium dioxide and 52% of titanium carbonitride.
Preferably, tungsten carbide Fsss =12-22 μm and nickel powder Fsss ≦ 1.0 μm.
Also provides a preparation method of the light high-strength snow shoveling sheet, which comprises the following steps:
s1, mixing the components according to mass fraction, and performing ball milling to obtain a premix I;
s2, drying the premix I, and removing a ball milling medium to obtain a mixture II;
s3, sintering the mixture II at a high temperature of 1500-1550 ℃ to obtain the snow shoveling sheet.
Preferably, in the step S1, a forming agent, a ball milling medium and a ball milling body are added during the ball milling process, and the ball milling time is 20-25h.
Preferably, the forming agent is one or more of paraffin, rubber, PEG and SD, and the ball milling medium is alcohol or hexane.
Preferably, in step S3, the mixture ii is pressed and degummed under vacuum before being sintered at high temperature.
Preferably, cobalt magnetism is measured and the mass fraction of the magnetic binder phase is calculated, the mass fraction of the magnetic binder phase being calculated as follows:
magnetic binding phase% = cobalt magnetic/(cobalt content +0.35 × nickel powder content-molybdenum carbide content);
and during vacuum degumming, controlling the mass fraction of the magnetic bonding phase to be 70-80%.
The invention adopts the technical mechanism and has the beneficial effects that:
tungsten carbide and titanium carbonitride are used as frameworks, cobalt nickel is used as a binding phase, and thorium dioxide and molybdenum carbide are used as additives. The titanium carbonitride technical ceramic has strong stability and better comprehensive performance, can form unbalanced solid solution with the titanium carbonitride after being added with molybdenum carbide, and the outer layer of crystal grains is rich in molybdenum carbide, thereby enhancing the wettability of the framework material and the binding phase; after the tungsten carbide is added, the tungsten carbide and the titanium carbonitride can form a WC-TiC solid solution, so that the comprehensive performance of the material is improved; thorium dioxide can strengthen Ni-Mo binding phase, and further improve alloy strength. Namely, on the basis of greatly reducing the consumption of tungsten, the light high-strength snow shoveling sheet which can realize the effect similar to that of the traditional snow shoveling sheet with high tungsten content is obtained.
Drawings
FIG. 1 is a schematic view of a snow shoveling blade in example 1 at 1000 times magnification;
fig. 2 is a schematic view of the snow shoveling sheet in example 2 under 1000-fold magnification.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are conventional products which are not indicated by manufacturers and are commercially available.
The invention provides a light high-strength snow shoveling sheet which is characterized by comprising the following components in parts by mass: 10-15% of tungsten carbide, 20-25% of nickel powder, 5-10% of cobalt, 2-5% of molybdenum carbide, 0.05-1.5% of thorium dioxide and the balance of titanium carbonitride;
wherein, according to the mass ratio, molybdenum carbide: nickel powder =1:6-11.
In the invention, the tungsten carbide Fsss =12-22 μm, the nickel powder Fsss is less than or equal to 1.0 μm, and the titanium carbonitride Fsss =2.7 μm.
Secondly, the invention provides a preparation method of the light high-strength snow shoveling sheet, which is characterized by comprising the following steps of:
s1, mixing the components according to mass fraction, adding a forming agent, a ball milling medium and a ball milling body, and carrying out ball milling for 20-25h to obtain a premix I;
s2, drying the premix I, and removing a ball milling medium to obtain a mixture II;
s3, pressing the mixture II, degumming in vacuum, and sintering at 1500-1550 ℃ to obtain snow shoveling sheets;
wherein the forming agent is one or more of paraffin, rubber, PEG and SD, and the addition amount of the forming agent is 1.5-2.5% of the weight of the ingredients; the ball milling medium is alcohol or hexane, and the addition amount of the ball milling medium is 250-400mL/kg; the ball mill body can be common grinding balls, and the addition amount of the ball mill body is 3-5kg per 1kg of raw materials; measuring cobalt magnetism, and calculating the mass fraction of the magnetic binding phase, wherein the calculation formula of the mass fraction of the magnetic binding phase is as follows:
magnetic bonding phase% = cobalt magnetic/(cobalt content +0.35 x nickel powder content-molybdenum carbide content);
and during vacuum degumming, controlling the mass fraction of the magnetic bonding phase to be 70-80%. Wherein, cobalt magnetism is the measured value of cobalt in the raw material by adopting a cobalt magnetism measuring instrument, the cobalt content refers to the cobalt content in the raw material components, the nickel powder content refers to the nickel powder content in the raw material components, and the molybdenum carbide content refers to the molybdenum carbide content in the raw material components.
< example >
Example 1
As shown in fig. 1, this embodiment provides a light-weight high-strength snow shoveling sheet, which comprises the following components in parts by mass: 12% of tungsten carbide, 20% of nickel powder, 10% of cobalt, 2.2% of molybdenum carbide, 0.3% of thorium dioxide and 55.5% of titanium carbonitride;
wherein, tungsten carbide Fsss =22 μm, nickel powder Fsss =0.92 μm, and titanium carbonitride Fsss =2.7 μm.
The embodiment also provides a preparation method of the light high-strength snow shoveling sheet, which comprises the following steps:
s1, mixing the components according to mass fraction, adding 2 wt% of paraffin, hexane and grinding balls, and carrying out ball milling for 25h to obtain a premix I, wherein the 2 wt% of paraffin is 2% of the weight of the raw materials, the hexane is 300mL/kg, and the grinding bodies are 4kg of balls/1 kg of the raw materials;
s2, drying the premix I, and removing paraffin and ethane to obtain a mixture II;
s3, pressing the mixture II, degumming in vacuum, and sintering at 1500 ℃ to obtain snow shoveling sheets;
wherein, during vacuum degumming, the mass fraction of the magnetic adhesive phase is controlled to be 11.23/(10 +0.35 × 20-2.2) =75.8%.
Example 2
As shown in fig. 2, this example is different from example 1 in that it is composed of the following components in mass fraction: 12% of tungsten carbide, 22% of nickel powder, 8% of cobalt, 5% of molybdenum carbide, 1% of thorium dioxide and 52% of titanium carbonitride;
wherein, tungsten carbide Fsss =12 μm, nickel powder Fsss =0.92 μm, and titanium carbonitride Fsss =2.7 μm.
In the embodiment, in the process of preparing the snow shoveling sheet, the ball milling time is 20 hours; the sintering temperature is 1530 ℃, and the sintering pressure is 5MPa; during degumming, the mass fraction of the magnetic adhesive phase is 8.39/(8 + 0.35X 22-5) =78.4%.
< test example >
Sample preparation: snow shoveling sheet alloy materials obtained in examples 1 to 2
The hardness HRA, density and alloy strength of each group of samples are respectively measured and summarized as follows
Table 1 shows:
the results of the data such as hardness measured from the above samples revealed that: the hardness HRA of the alloy materials of the snow shoveling sheet obtained in the embodiment is more than 87.0, and the strength (B scale) is more than 2400MPa, namely, the hardness and strength levels of the conventional hard alloy can be achieved, and the alloy materials can be used as the snow shoveling sheet to replace the traditional tungsten-cobalt hard alloy.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The light high-strength snow shoveling sheet is characterized by comprising the following components in parts by mass: 10-15% of tungsten carbide, 20-25% of nickel powder, 5-10% of cobalt, 2-5% of molybdenum carbide, 0.05-1.5% of thorium dioxide and the balance of titanium carbonitride.
2. The lightweight high strength snow shoveling sheet of claim 1, wherein the weight ratio of molybdenum carbide: nickel powder =1:6-11.
3. The lightweight high strength snow shoveling sheet according to claim 1 or 2, consisting of, in mass fraction: 12% of tungsten carbide, 20% of nickel powder, 10% of cobalt, 2.2% of molybdenum carbide, 0.3% of thorium dioxide and 55.5% of titanium carbonitride.
4. The lightweight high strength snow shoveling sheet according to claim 1 or 2, consisting of, in mass fraction: 12% of tungsten carbide, 22% of nickel powder, 8% of cobalt, 5% of molybdenum carbide, 1% of thorium dioxide and 52% of titanium carbonitride.
5. The lightweight high strength snow shoveling sheet according to claim 1, wherein tungsten carbide Fsss =12-22 μm and nickel powder Fsss ≦ 1.0 μm.
6. A method of making a lightweight high strength snow shoveling sheet as claimed in any one of claims 1 to 5, comprising the steps of:
s1, mixing the components according to mass fraction, and performing ball milling to obtain a premix I;
s2, drying the premix I, and removing a ball milling medium to obtain a mixture II;
s3, sintering the mixture II at a high temperature of 1500-1550 ℃ to obtain the snow shoveling sheet.
7. The light-weight high-strength snow shoveling sheet as claimed in claim 6, wherein in the step S1, a forming agent, a ball milling medium and a ball milling body are added in the ball milling process, and the ball milling time is 20-25h.
8. The lightweight high strength snow shoveling sheet according to claim 7, wherein the forming agent is one or more of paraffin, rubber, PEG, SD, and the ball milling medium is alcohol or hexane.
9. The light-weight high-strength snow shoveling sheet as recited in claim 6, wherein in step S3, the mixture II is pressed and vacuum degummed before being sintered at high temperature.
10. The lightweight high strength snow shoveling blade as recited in claim 9, wherein cobalt magnetism is measured and mass fraction of magnetic binder phase is calculated, the mass fraction of magnetic binder phase is calculated by the following formula:
magnetic binding phase% = cobalt magnetic/(cobalt content +0.35 × nickel powder content-molybdenum carbide content);
and during vacuum degumming, controlling the mass fraction of the magnetic bonding phase to be 70-80%.
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JPH05302136A (en) * | 1992-04-28 | 1993-11-16 | Kyocera Corp | Whisker reinforced sintered hard alloy |
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CN107099719A (en) * | 2017-04-13 | 2017-08-29 | 武汉市腾宁新材料科技有限公司 | A kind of Strengthening and Toughening base titanium carbonitride and preparation method |
CN107142407A (en) * | 2017-05-02 | 2017-09-08 | 四川大学 | A kind of preparation method of surface self-lubricating Ti (C, N) based ceramic metal high-abrasive material |
CN110234797A (en) * | 2017-01-31 | 2019-09-13 | 森拉天时奥地利有限公司 | The tool of coating |
CN111187959A (en) * | 2020-02-27 | 2020-05-22 | 西华大学 | Metal-rich phase gradient structure titanium carbonitride base cermet and preparation method thereof |
WO2023164731A1 (en) * | 2022-03-03 | 2023-09-07 | Boehlerit Gmbh & Co.Kg. | Method for producing a coating on an object and correspondingly produced coated body |
-
2022
- 2022-08-16 CN CN202210980508.7A patent/CN115323218B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05302136A (en) * | 1992-04-28 | 1993-11-16 | Kyocera Corp | Whisker reinforced sintered hard alloy |
CN102151839A (en) * | 2011-03-08 | 2011-08-17 | 深圳市格林美高新技术股份有限公司 | ThO2-containing nickel-base binding phase superfine metal ceramic powder and preparation method and application thereof |
CN110234797A (en) * | 2017-01-31 | 2019-09-13 | 森拉天时奥地利有限公司 | The tool of coating |
CN107099719A (en) * | 2017-04-13 | 2017-08-29 | 武汉市腾宁新材料科技有限公司 | A kind of Strengthening and Toughening base titanium carbonitride and preparation method |
CN107142407A (en) * | 2017-05-02 | 2017-09-08 | 四川大学 | A kind of preparation method of surface self-lubricating Ti (C, N) based ceramic metal high-abrasive material |
CN111187959A (en) * | 2020-02-27 | 2020-05-22 | 西华大学 | Metal-rich phase gradient structure titanium carbonitride base cermet and preparation method thereof |
WO2023164731A1 (en) * | 2022-03-03 | 2023-09-07 | Boehlerit Gmbh & Co.Kg. | Method for producing a coating on an object and correspondingly produced coated body |
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