CN105499557A - Hard alloy large-product holding-up hammer multi-component forming agent and preparation method - Google Patents
Hard alloy large-product holding-up hammer multi-component forming agent and preparation method Download PDFInfo
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- CN105499557A CN105499557A CN201610055376.1A CN201610055376A CN105499557A CN 105499557 A CN105499557 A CN 105499557A CN 201610055376 A CN201610055376 A CN 201610055376A CN 105499557 A CN105499557 A CN 105499557A
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- 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
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/107—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing organic material comprising solvents, e.g. for slip casting
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Abstract
The invention belongs to a hard alloy large-product holding-up hammer multi-component forming agent and a preparation method. The forming agent comprises, by weight, 5-15 parts of polyisobutene, 5-10 parts of paraffin, 5-10 parts of polyethylene glycol and 65-85 parts of 120# solvent gasoline. The forming agent has the advantages of being simple to prepare, high in formability and flowability, low in residual carbon, high in powder flowability, low in pressing pressure, high in compressing qualified rate, stable and controllable in unit weight and size of products, suitable for mass production, low in quality control difficulty and short in degreasing process time, and the products are free of cracking and stable in quality.
Description
Technical field
The invention belongs to carbide alloy forming agent technical field, be specifically related to a kind of cemented carbides big product top hammer multicomponent mixture forming agent and preparation method.
Background technology
Existing carbide alloy forming agent adopts single paraffin, polyethylene glycol and SBS mostly; Use above-mentioned forming agent as good in paraffin has lubricity, be convenient to the feature of the pressed compact demoulding, but it is long to there is paraffin large goods degreasing time, heart portion residual carbon is high, the defect of product evil mind; It is high that polyethylene glycol has compact strength when using, be not easy limit arrisdefect, effectively can solve the problem of large goods pressed compact transfer difficulty, compound granulation performance is good, and contractibility is little, easily controls pressed compact size, but it is high that it also exists shaping pressing pressure equally, large goods generally will use the hydraulic press of kiloton, in addition the also comparatively easy moisture absorption, cause goods carbon to fluctuate large defect.SBS has good moldability, but be only suitable for manually mixing glue, bad dispersibility, add that glue is irregular, poor fluidity, shape of product and dimensional accuracy are low, carbon residue is high, carbon amounts control difficulty greatly, easy aging, easy dirtyization, large to equipment pollution.
Summary of the invention
The object of the invention is to overcome defect of the prior art and provide a kind of preparation easy, mouldability and good fluidity, residual carbon is low, and powder flowbility is good, pressing pressure is low, compacting qualification rate is high, and product substance dimensionally stable is controlled, is suitable for producing in enormous quantities, quality control difficulty is low, the degreasing process time is short, and residual carbon is few, and product does not ftracture and stay-in-grade a kind of cemented carbides big product top hammer multicomponent mixture forming agent and preparation method.
The object of the present invention is achieved like this: it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 5 ~ 15 parts, 5 ~ 10 parts, paraffin, polyethylene glycol 5 ~ 10 parts and 120# industrial naptha 65 ~ 85 parts.
Preferably, to comprise following raw materials according formulated according to parts by weight for this forming agent: polyisobutene 5 ~ 15 parts, 8 ~ 10 parts, paraffin, polyethylene glycol 8 ~ 10 parts and 120# industrial naptha 65 ~ 85 parts.
Preferably, to comprise following raw materials according formulated according to parts by weight for this forming agent: polyisobutene 5 ~ 10 parts, 8 ~ 10 parts, paraffin, polyethylene glycol 8 ~ 10 parts and 120# industrial naptha 65 ~ 75 parts.
Preferably, to comprise following raw materials according formulated according to parts by weight for this forming agent: polyisobutene 6 ~ 8 parts, 9 ~ 10 parts, paraffin, polyethylene glycol 9 ~ 10 parts and 120# industrial naptha 72 ~ 75 parts.
Preferably, to comprise following raw materials according formulated according to parts by weight for this forming agent: polyisobutene 7.71 parts, 10 parts, paraffin, polyethylene glycol 10 parts and 120# industrial naptha 73.53 parts.
A preparation method for cemented carbides big product top hammer multicomponent mixture forming agent, comprises the steps:
Step one: be placed in agitator by polyisobutene and 120# industrial naptha, be uniformly mixed, treats that polyisobutene is dissolved in 120# industrial naptha, and forms uniform solution; Described uniform solution is polyisobutylene solution;
Step 2: the polyisobutylene solution described in step one is filtered, filtering and collecting filter liquid by the filter screen of 400 eye mesh screens, described filtrate is polyisobutene filtrate;
Step 3: paraffin and polyethylene glycol are added to respectively in the polyisobutene filtrate described in step 2, is heated to paraffin by immersion method and polyethylene glycol melts completely, makes cemented carbides big product top hammer multicomponent mixture forming agent.
It is easy that the present invention has preparation, mouldability and good fluidity, residual carbon is low, and powder flowbility is good, pressing pressure is low, compacting qualification rate is high, and product substance dimensionally stable is controlled, is suitable for producing in enormous quantities, quality control difficulty is low, the degreasing process time is short, and residual carbon is few, and product does not ftracture and stay-in-grade advantage.
Detailed description of the invention
The present invention is a kind of cemented carbides big product top hammer multicomponent mixture forming agent and preparation method, and it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 5 ~ 15 parts, 5 ~ 10 parts, paraffin, polyethylene glycol 5 ~ 10 parts and 120# industrial naptha 65 ~ 85 parts.
Preferably, to comprise following raw materials according formulated according to parts by weight for this forming agent: polyisobutene 5 ~ 15 parts, 8 ~ 10 parts, paraffin, polyethylene glycol 8 ~ 10 parts and 120# industrial naptha 65 ~ 85 parts.
Preferably, to comprise following raw materials according formulated according to parts by weight for this forming agent: polyisobutene 5 ~ 10 parts, 8 ~ 10 parts, paraffin, polyethylene glycol 8 ~ 10 parts and 120# industrial naptha 65 ~ 75 parts.
Preferably, to comprise following raw materials according formulated according to parts by weight for this forming agent: polyisobutene 6 ~ 8 parts, 9 ~ 10 parts, paraffin, polyethylene glycol 9 ~ 10 parts and 120# industrial naptha 72 ~ 75 parts.
Preferably, to comprise following raw materials according formulated according to parts by weight for this forming agent: polyisobutene 7.71 parts, 10 parts, paraffin, polyethylene glycol 10 parts and 120# industrial naptha 73.53 parts.
A preparation method for cemented carbides big product top hammer multicomponent mixture forming agent, comprises the steps:
Step one: be placed in agitator by polyisobutene and 120# industrial naptha, be uniformly mixed, treats that polyisobutene is dissolved in 120# industrial naptha, and forms uniform solution; Described uniform solution is polyisobutylene solution;
Step 2: the polyisobutylene solution described in step one is filtered, filtering and collecting filter liquid by the filter screen of 400 eye mesh screens, described filtrate is polyisobutene filtrate;
Step 3: paraffin and polyethylene glycol are added to respectively in the polyisobutene filtrate described in step 2, is heated to paraffin by immersion method and polyethylene glycol melts completely, makes cemented carbides big product top hammer multicomponent mixture forming agent.
In order to more detailed explanation the present invention, now the present invention is further elaborated in conjunction with the embodiments.Specific embodiment is as follows:
Embodiment one
A kind of cemented carbides big product top hammer multicomponent mixture forming agent, it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 5 parts, 5 parts, paraffin, polyethylene glycol 5 parts and 120# industrial naptha 65 parts.
A preparation method for cemented carbides big product top hammer multicomponent mixture forming agent, comprises the steps:
Step one: be placed in agitator by polyisobutene and 120# industrial naptha, be uniformly mixed, treats that polyisobutene is dissolved in 120# industrial naptha, and forms uniform solution; Described uniform solution is polyisobutylene solution;
Step 2: the polyisobutylene solution described in step one is filtered, filtering and collecting filter liquid by the filter screen of 400 eye mesh screens, described filtrate is polyisobutene filtrate;
Step 3: paraffin and polyethylene glycol are added to respectively in the polyisobutene filtrate described in step 2, is heated to paraffin by immersion method and polyethylene glycol melts completely, makes cemented carbides big product top hammer multicomponent mixture forming agent.
Embodiment two
A kind of cemented carbides big product top hammer multicomponent mixture forming agent, it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 15 parts, 10 parts, paraffin, polyethylene glycol 10 parts and 120# industrial naptha 85 parts.
A preparation method for cemented carbides big product top hammer multicomponent mixture forming agent, comprises the steps:
Step one: be placed in agitator by polyisobutene and 120# industrial naptha, be uniformly mixed, treats that polyisobutene is dissolved in 120# industrial naptha, and forms uniform solution; Described uniform solution is polyisobutylene solution;
Step 2: the polyisobutylene solution described in step one is filtered, filtering and collecting filter liquid by the filter screen of 400 eye mesh screens, described filtrate is polyisobutene filtrate;
Step 3: paraffin and polyethylene glycol are added to respectively in the polyisobutene filtrate described in step 2, is heated to paraffin by immersion method and polyethylene glycol melts completely, makes cemented carbides big product top hammer multicomponent mixture forming agent.
Embodiment three
A kind of cemented carbides big product top hammer multicomponent mixture forming agent, it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 10 parts, 7.5 parts, paraffin, polyethylene glycol 7.5 parts and 120# industrial naptha 75 parts.
A preparation method for cemented carbides big product top hammer multicomponent mixture forming agent, comprises the steps:
Step one: be placed in agitator by polyisobutene and 120# industrial naptha, be uniformly mixed, treats that polyisobutene is dissolved in 120# industrial naptha, and forms uniform solution; Described uniform solution is polyisobutylene solution;
Step 2: the polyisobutylene solution described in step one is filtered, filtering and collecting filter liquid by the filter screen of 400 eye mesh screens, described filtrate is polyisobutene filtrate;
Step 3: paraffin and polyethylene glycol are added to respectively in the polyisobutene filtrate described in step 2, is heated to paraffin by immersion method and polyethylene glycol melts completely, makes cemented carbides big product top hammer multicomponent mixture forming agent.
Embodiment four
A kind of cemented carbides big product top hammer multicomponent mixture forming agent, it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 5 parts, 8 parts, paraffin, polyethylene glycol 8 parts and 120# industrial naptha 65 parts.
A preparation method for cemented carbides big product top hammer multicomponent mixture forming agent, comprises the steps:
Step one: be placed in agitator by polyisobutene and 120# industrial naptha, be uniformly mixed, treats that polyisobutene is dissolved in 120# industrial naptha, and forms uniform solution; Described uniform solution is polyisobutylene solution;
Step 2: the polyisobutylene solution described in step one is filtered, filtering and collecting filter liquid by the filter screen of 400 eye mesh screens, described filtrate is polyisobutene filtrate;
Step 3: paraffin and polyethylene glycol are added to respectively in the polyisobutene filtrate described in step 2, is heated to paraffin by immersion method and polyethylene glycol melts completely, makes cemented carbides big product top hammer multicomponent mixture forming agent.
Embodiment five
A kind of cemented carbides big product top hammer multicomponent mixture forming agent, it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 10 parts, 9 parts, paraffin, polyethylene glycol 9 parts and 120# industrial naptha 75 parts.
A preparation method for cemented carbides big product top hammer multicomponent mixture forming agent, comprises the steps:
Step one: be placed in agitator by polyisobutene and 120# industrial naptha, be uniformly mixed, treats that polyisobutene is dissolved in 120# industrial naptha, and forms uniform solution; Described uniform solution is polyisobutylene solution;
Step 2: the polyisobutylene solution described in step one is filtered, filtering and collecting filter liquid by the filter screen of 400 eye mesh screens, described filtrate is polyisobutene filtrate;
Step 3: paraffin and polyethylene glycol are added to respectively in the polyisobutene filtrate described in step 2, is heated to paraffin by immersion method and polyethylene glycol melts completely, makes cemented carbides big product top hammer multicomponent mixture forming agent.
Embodiment six
A kind of cemented carbides big product top hammer multicomponent mixture forming agent, it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 7.5 parts, 9 parts, paraffin, polyethylene glycol 9 parts and 120# industrial naptha 70 parts.
A preparation method for cemented carbides big product top hammer multicomponent mixture forming agent, comprises the steps:
Step one: be placed in agitator by polyisobutene and 120# industrial naptha, be uniformly mixed, treats that polyisobutene is dissolved in 120# industrial naptha, and forms uniform solution; Described uniform solution is polyisobutylene solution;
Step 2: the polyisobutylene solution described in step one is filtered, filtering and collecting filter liquid by the filter screen of 400 eye mesh screens, described filtrate is polyisobutene filtrate;
Step 3: paraffin and polyethylene glycol are added to respectively in the polyisobutene filtrate described in step 2, is heated to paraffin by immersion method and polyethylene glycol melts completely, makes cemented carbides big product top hammer multicomponent mixture forming agent.
Embodiment seven
A kind of cemented carbides big product top hammer multicomponent mixture forming agent, it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 10 parts, 10 parts, paraffin, polyethylene glycol 10 parts and 120# industrial naptha 75 parts.
A preparation method for cemented carbides big product top hammer multicomponent mixture forming agent, comprises the steps:
Step one: be placed in agitator by polyisobutene and 120# industrial naptha, be uniformly mixed, treats that polyisobutene is dissolved in 120# industrial naptha, and forms uniform solution; Described uniform solution is polyisobutylene solution;
Step 2: the polyisobutylene solution described in step one is filtered, filtering and collecting filter liquid by the filter screen of 400 eye mesh screens, described filtrate is polyisobutene filtrate;
Step 3: paraffin and polyethylene glycol are added to respectively in the polyisobutene filtrate described in step 2, is heated to paraffin by immersion method and polyethylene glycol melts completely, makes cemented carbides big product top hammer multicomponent mixture forming agent.
Embodiment eight
A kind of cemented carbides big product top hammer multicomponent mixture forming agent, it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 6 parts, 9 parts, paraffin, polyethylene glycol 9 parts and 120# industrial naptha 72 parts.
A preparation method for cemented carbides big product top hammer multicomponent mixture forming agent, comprises the steps:
Step one: be placed in agitator by polyisobutene and 120# industrial naptha, be uniformly mixed, treats that polyisobutene is dissolved in 120# industrial naptha, and forms uniform solution; Described uniform solution is polyisobutylene solution;
Step 2: the polyisobutylene solution described in step one is filtered, filtering and collecting filter liquid by the filter screen of 400 eye mesh screens, described filtrate is polyisobutene filtrate;
Step 3: paraffin and polyethylene glycol are added to respectively in the polyisobutene filtrate described in step 2, is heated to paraffin by immersion method and polyethylene glycol melts completely, makes cemented carbides big product top hammer multicomponent mixture forming agent.
Embodiment nine
A kind of cemented carbides big product top hammer multicomponent mixture forming agent, it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 7 parts, 9.5 parts, paraffin, polyethylene glycol 9.5 parts and 120# industrial naptha 73.5 parts.
A preparation method for cemented carbides big product top hammer multicomponent mixture forming agent, comprises the steps:
Step one: be placed in agitator by polyisobutene and 120# industrial naptha, be uniformly mixed, treats that polyisobutene is dissolved in 120# industrial naptha, and forms uniform solution; Described uniform solution is polyisobutylene solution;
Step 2: the polyisobutylene solution described in step one is filtered, filtering and collecting filter liquid by the filter screen of 400 eye mesh screens, described filtrate is polyisobutene filtrate;
Step 3: paraffin and polyethylene glycol are added to respectively in the polyisobutene filtrate described in step 2, is heated to paraffin by immersion method and polyethylene glycol melts completely, makes cemented carbides big product top hammer multicomponent mixture forming agent.
Embodiment ten
A kind of cemented carbides big product top hammer multicomponent mixture forming agent, it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 8 parts, 10 parts, paraffin, polyethylene glycol 10 parts and 120# industrial naptha 75 parts.
A preparation method for cemented carbides big product top hammer multicomponent mixture forming agent, comprises the steps:
Step one: be placed in agitator by polyisobutene and 120# industrial naptha, be uniformly mixed, treats that polyisobutene is dissolved in 120# industrial naptha, and forms uniform solution; Described uniform solution is polyisobutylene solution;
Step 2: the polyisobutylene solution described in step one is filtered, filtering and collecting filter liquid by the filter screen of 400 eye mesh screens, described filtrate is polyisobutene filtrate;
Step 3: paraffin and polyethylene glycol are added to respectively in the polyisobutene filtrate described in step 2, is heated to paraffin by immersion method and polyethylene glycol melts completely, makes cemented carbides big product top hammer multicomponent mixture forming agent.
Embodiment 11
A kind of cemented carbides big product top hammer multicomponent mixture forming agent, it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 7.71 parts, 10 parts, paraffin, polyethylene glycol 10 parts and 120# industrial naptha 73.53 parts.
A preparation method for cemented carbides big product top hammer multicomponent mixture forming agent, comprises the steps:
Step one: be placed in agitator by polyisobutene and 120# industrial naptha, be uniformly mixed, treats that polyisobutene is dissolved in 120# industrial naptha, and forms uniform solution; Described uniform solution is polyisobutylene solution;
Step 2: the polyisobutylene solution described in step one is filtered, filtering and collecting filter liquid by the filter screen of 400 eye mesh screens, described filtrate is polyisobutene filtrate;
Step 3: paraffin and polyethylene glycol are added to respectively in the polyisobutene filtrate described in step 2, is heated to paraffin by immersion method and polyethylene glycol melts completely, makes cemented carbides big product top hammer multicomponent mixture forming agent.
Above-described embodiment one to embodiment 11 can determine according to the needs of the prepared trade mark forming agent quantity that adds, and add in dry-blender by the present invention during use, the operations such as drying, compacting, sintering obtain hart metal product.The present invention that embodiment one to embodiment 11 is prepared uses as forming agent, there is mouldability and good fluidity, residual carbon is low, powder flowbility is good, pressing pressure is low, and compacting qualification rate is high, the feature that product substance dimensionally stable is controlled, the present invention now prepared for embodiment 11 and the carbide alloy YG 8 top hammer trade mark, specific experiment such as under:
Experimental example
For carbide alloy YG 8 top hammer trade mark compound, the present invention prepare above-described embodiment 11 and single component paraffin, PEG and SBS suppress B-spline and cemented carbides big product top hammer as forming agent.Through many batches of samplings, determine the apparent density of compound, mobility, pressing pressure, bending strength, pressed compact dimensional discrepancy, metallographic and top hammer (specification Φ 160) degreasing time respectively and residual carbon is measured, data result sees the following form:
As can be seen from upper table data, adopt forming agent of the present invention, the apparent density of carbide alloy mixture is large, good fluidity, pressed compact substance, size fluctuation are little, and pressed compact pressing pressure is little, cemented carbides big product top hammer degreasing time is short, and residual carbon amounts is low, top hammer heart portion and carbon contents even.
The each component of the present invention is as the pluses and minuses of forming agent: 1, polyisobutene processability is good, but compact strength is low, and pressed compact easily falls limit arrisdefect, the bad control of product decarburization.2, paraffin lubricity is good, is convenient to the pressed compact demoulding, but paraffin large goods degreasing time is long, and heart portion residual carbon is high, product evil mind.3, PEG forming agent compact strength is high, and contractibility is little, easily controls pressed compact size, and single shaping pressing pressure is high, and large goods generally will use the hydraulic press of kiloton, and also the comparatively easy moisture absorption, causes goods carbon to fluctuate large.The present invention and single component are as compared with large goods top hammer forming agent, and not only each component is learnt from other's strong points to offset one's weaknesses, and neutralizes respective shortcoming.And because of each composition volatilization temperature point difference, degreasing can be carried out step by step, is conducive to forming agent in the short time and thoroughly gets rid of, and avoids concentrating volatilization and causing large goods top hammer to ftracture, and degreasing time is short, after degreasing pre-burning, carbon fluctuation is little, and quality control difficulty is little.The present invention plays and shortens the production cycle, enhances productivity, the advantages such as top hammer steady quality.
Detailed description is above only illustrating for feasibility embodiment of the present invention; they are also not used to limit the scope of the invention, and allly do not depart from equivalent implementations that skill of the present invention spirit does, change and transformation all should be included within protection scope of the present invention.
Claims (6)
1. a cemented carbides big product top hammer multicomponent mixture forming agent, is characterized in that: it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 5 ~ 15 parts, 5 ~ 10 parts, paraffin, polyethylene glycol 5 ~ 10 parts and 120# industrial naptha 65 ~ 85 parts.
2. a kind of cemented carbides big product top hammer multicomponent mixture forming agent according to claim 1, is characterized in that: it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 5 ~ 15 parts, 8 ~ 10 parts, paraffin, polyethylene glycol 8 ~ 10 parts and 120# industrial naptha 65 ~ 85 parts.
3. a kind of cemented carbides big product top hammer multicomponent mixture forming agent according to claim 1, is characterized in that: it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 5 ~ 10 parts, 8 ~ 10 parts, paraffin, polyethylene glycol 8 ~ 10 parts and 120# industrial naptha 65 ~ 75 parts.
4. a kind of cemented carbides big product top hammer multicomponent mixture forming agent according to claim 1, is characterized in that: it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 6 ~ 8 parts, 9 ~ 10 parts, paraffin, polyethylene glycol 9 ~ 10 parts and 120# industrial naptha 72 ~ 75 parts.
5. a kind of cemented carbides big product top hammer multicomponent mixture forming agent according to claim 1, is characterized in that: it is formulated according to parts by weight that this forming agent comprises following raw materials according: polyisobutene 7.71 parts, 10 parts, paraffin, polyethylene glycol 10 parts and 120# industrial naptha 73.53 parts.
6. the preparation method of a kind of cemented carbides big product top hammer multicomponent mixture forming agent according to claim 1 or 2 or 3 or 4 or 5, is characterized in that: this preparation method comprises the steps:
Step one: be placed in agitator by polyisobutene and 120# industrial naptha, be uniformly mixed, treats that polyisobutene is dissolved in 120# industrial naptha, and forms uniform solution; Described uniform solution is polyisobutylene solution;
Step 2: the polyisobutylene solution described in step one is filtered, filtering and collecting filter liquid by the filter screen of 400 eye mesh screens, described filtrate is polyisobutene filtrate;
Step 3: paraffin and polyethylene glycol are added to respectively in the polyisobutene filtrate described in step 2, is heated to paraffin by immersion method and polyethylene glycol melts completely, makes cemented carbides big product top hammer multicomponent mixture forming agent.
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| CN113305287A (en) * | 2021-05-26 | 2021-08-27 | 河南中硬合金有限公司 | Forming agent for hard alloy and preparation method thereof |
| CN113305287B (en) * | 2021-05-26 | 2024-04-30 | 河南中硬合金有限公司 | Forming agent for hard alloy and preparation method thereof |
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Application publication date: 20160420 |