CN114570481B - Impact crusher plate hammer made of high-chromium cast iron-based ZTA ceramic composite material and manufacturing method thereof - Google Patents

Impact crusher plate hammer made of high-chromium cast iron-based ZTA ceramic composite material and manufacturing method thereof Download PDF

Info

Publication number
CN114570481B
CN114570481B CN202210118583.2A CN202210118583A CN114570481B CN 114570481 B CN114570481 B CN 114570481B CN 202210118583 A CN202210118583 A CN 202210118583A CN 114570481 B CN114570481 B CN 114570481B
Authority
CN
China
Prior art keywords
cast iron
chromium cast
plate
zta
hammer
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.)
Active
Application number
CN202210118583.2A
Other languages
Chinese (zh)
Other versions
CN114570481A (en
Inventor
朱振
沈承金
张宏
冯敏
樊学勇
张海锋
刘守瑞
张平
陈正
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China University of Mining and Technology CUMT
Xuzhou XCMG Mining Machinery Co Ltd
Original Assignee
China University of Mining and Technology CUMT
Xuzhou XCMG Mining Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China University of Mining and Technology CUMT, Xuzhou XCMG Mining Machinery Co Ltd filed Critical China University of Mining and Technology CUMT
Priority to CN202210118583.2A priority Critical patent/CN114570481B/en
Publication of CN114570481A publication Critical patent/CN114570481A/en
Application granted granted Critical
Publication of CN114570481B publication Critical patent/CN114570481B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/28—Shape or construction of beater elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B22C9/04—Use of lost patterns
    • B22C9/046—Use of patterns which are eliminated by the liquid metal in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/22—Moulds for peculiarly-shaped castings
    • 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
    • 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
    • B22F3/1003—Use of special medium during sintering, e.g. sintering aid
    • B22F3/1007—Atmosphere
    • 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
    • B22F3/24—After-treatment of workpieces or articles
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/78—Combined heat-treatments not provided for above

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Food Science & Technology (AREA)
  • Powder Metallurgy (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The invention discloses a high-chromium cast iron-based ZTA ceramic composite material impact crusher plate hammer and a manufacturing method thereof, comprising the following steps: manufacturing a rigid metal mold; filling high-chromium cast iron-ZTA mixed powder into the first area and the second area, and filling high-chromium cast iron mixed powder into the third area; covering a top plate of a metal mold on the cavity, and pressurizing the top plate to form high-chromium cast iron mixed powder and high-chromium cast iron-ZTA mixed powder to obtain a powder forming body; placing the powder forming body into a box-type furnace for heating and drying to form a composite board hammer powder forming body; and (3) placing the composite board hammer powder model body into an atmosphere furnace for heating, sintering and densification forming to obtain the integral wear-resistant board hammer with the metallurgical combination of the structural body and the wear-resistant striking body. The invention successfully manufactures the high-chromium cast iron composite material impact crusher plate hammer with the working face in a dispersion distribution ZTA, the whole plate hammer obtains compact structure and performance, the working face ZTA is tightly combined with the high-chromium cast iron, and the ultra-high wear resistance is obtained.

Description

Impact crusher plate hammer made of high-chromium cast iron-based ZTA ceramic composite material and manufacturing method thereof
Technical Field
The invention belongs to the field of crushing of mining engineering machinery, and particularly relates to a manufacturing method of a high-strength high-wear-resistance impact crusher plate hammer.
Background
The impact crusher plate hammer is a key part arranged on a continuous crushing workstation, and realizes the crushing of mines, buildings, road facilities and demolishs and the like. The impact crusher plate hammer bears the broken matters of impact, shearing and abrasion, and martensitic steel and high-chromium cast iron are applied to a certain extent in the whole material manufacturing process, and in view of the defect of the service life, the ceramic composite plate hammer manufacturing is developed.
The invention patent CN103769562B 'preparation method of active element sintered ZTA particle reinforced steel matrix composite hammer head' mixes Ni, cr and other metal elements, 70-80% ZTA and borax solution into a honeycomb mould, dries, sinters and forms, inserts into the mould, and pours alloy molten steel or cast iron liquid into the mould to prepare the wear-resistant hammer head; the invention patent CN109513905B 'a preparation method of a surface-treated ZTA particle reinforced steel-based composite wear-resistant part' adopts magnetron sputtering, chemical plating to plate Cr and Ni on the surface of ZTA, and mixing with Ni, al and Cr powder to press into a graphite mold, vacuum sintering a honeycomb preform, and casting and infiltrating to form the composite wear-resistant part after pre-embedding; the invention patent 103785841B 'preparation method of a ZTA reinforced steel-based composite wear-resistant part coated with slurry', active metals Ni and Cr, polyethylene glycol, carboxymethyl cellulose, borax solution and the like are prepared into slurry, the slurry is coated on the surface of ZTA and dried, ZTA particles coated with the slurry are pressed into a graphite mold, vacuum sintering is carried out to form a honeycomb-shaped preform, and a pre-buried casting infiltration method is adopted to form the wear-resistant part. The invention patent 109053215A (preparation method of honeycomb ZTA ceramic preform coated with Fe-Cr-Ni-Ti micropowder) mixes several simple substance metal powders, adds ZTA, water glass and paraffin wax, mixes them and presses them into mould,CO is introduced into 2 The gas is solidified into a prefabricated body, and the wear-resistant piece is formed by a casting infiltration method. In the preparation process of all ZTA composite wear-resistant parts, the ZTA, metal powder and an adhesive are mixed and pressed into a die, solidified or sintered into a ZTA preform in vacuum, and then the successful wear-resistant parts are prepared by a pre-embedding-casting infiltration method.
The invention aims at the existing wear-resistant part creation, and the impact crusher plate hammer is designed to manufacture a part thought according to the movement rule of the plate hammer in the crushing process and the material forming characteristics, so that a high-performance wear-resistant part with different performances of the whole material is manufactured.
Disclosure of Invention
In view of the problems of short service life, low crushing efficiency, abrasion, breakage and the like of the conventional various impact crusher plate hammers, the invention aims to provide the impact crusher plate hammer made of the high-chromium cast iron-based ZTA ceramic composite material and the manufacturing method thereof, and the two materials are utilized to manufacture a part thought, so that the crusher plate hammer body part has high strength and comprehensive mechanical properties, and the plate hammer head part has high hardness and high abrasion resistance.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a high chromium cast iron-based ZTA ceramic composite material impact breaker board hammer, includes the structure and is located the wear-resisting striking body of structure both sides, forms integral wear-resisting board hammer with metallurgical bonding between structure and the wear-resisting striking body, the structure is high chromium cast iron, two side wear-resisting striking body is ZTA granule and is the high chromium cast iron-ZTA composite structure of dispersion distribution.
A manufacturing method of a high-chromium cast iron-based ZTA ceramic composite material impact crusher plate hammer comprises the following steps:
s1, manufacturing a rigid metal mold, wherein the rigid metal mold comprises a bottom plate, a first side plate, a second side plate, a first panel, a second panel and a top plate, wherein the bottom plate, the first side plate, the second side plate, the first panel and the second panel are enclosed to form a cavity, a first grid plate and a second grid plate are arranged in the cavity, a first area is formed among the bottom plate, the first side plate and the first grid plate, a second area is formed among the bottom plate, the second side plate and the second grid plate, and a third area is formed among the bottom plate, the first grid plate and the second grid plate;
s2, filling the high-chromium cast iron-ZTA mixed powder into the first area and the second area, and filling the high-chromium cast iron mixed powder into the third area;
s3, covering a top plate of the metal die on the cavity, and pressurizing the top plate to form high-chromium cast iron mixed powder and high-chromium cast iron-ZTA mixed powder to obtain a powder forming body;
s4, placing the powder molding body obtained in the step S3 into a box-type furnace for heating and drying to form a composite board hammer powder molding body;
and S5, placing the dry plate hammer powder model body obtained in the step S4 into an atmosphere furnace for heating, sintering and densification forming to obtain the integral wear-resistant plate hammer with the metallurgical combination of the structural body and the wear-resistant striking body.
In the step S1, the thicknesses of the first grid plate and the first grid plate of the rigid metal mold are not more than 1mm, meshes are not more than 2mm, and the rigid metal mold is made of high-carbon high-chromium steel.
In the step S2, the high-chromium cast iron mixed powder is obtained through the following steps: naNO is added into the high-chromium cast iron alloy powder 2 And Na (Na) 2 SiO 3 Uniformly mixing, and drying to obtain high-chromium cast iron mixed powder; wherein the granularity of the high-chromium cast iron alloy powder is 100-300 meshes, the addition amount of the mixed aqueous solution is 20-100mL/kg of the high-chromium cast iron alloy powder, and the NaNO is in the mixed aqueous solution 2 The mass concentration of (2) is 10-20%, na 2 SiO 3 The mass concentration of (2) is 20-50%.
In the step S2, the high-chromium cast iron-ZTA mixed powder is obtained through the following steps: according to the mass percentage, 45.0-70.0% of ZTA, 0.5-4.5% of pellet binder, 1.5-3.5% of silicate solution and the balance of high-chromium cast iron powder are fully and uniformly mixed by a mixer, and the high-chromium cast iron-ZTA mixed powder is obtained by drying.
In the step S3, the pressurizing pressure of the top plate is 20-100Mpa.
In the step S4, the drying temperature is 100-140 ℃, and the drying time is increased by 10min per millimeter of thickness in the direction of the minimum cross section dimension.
In the step S4, heating, sintering and densification forming are carried out at the speed of 6-12 ℃/min, the temperature is raised at the speed of 1-2Mpa/min, the temperature is kept at 600 ℃ and 900 ℃ for 0.5h, the sintering temperature is 980-1280 ℃, the sintering time is calculated according to the maximum size of the cross section of 3-10min/mm, the furnace gas is kept at the positive pressure of 120-180Mpa during the sintering period to the temperature of 600 ℃ after cooling, then the furnace gas is cooled and depressurized, and finally the furnace gas is cooled to the room temperature, wherein the furnace gas is argon or nitrogen.
And the plate hammers of the impact crusher are dispersed and distributed on the high-chromium cast iron matrix at the first area and the second area in a form of ZTA particles, and the ZTA particles are tightly wrapped by the high-chromium cast iron.
The integral wear-resistant plate hammer with the metallurgical combination of the structural body and the wear-resistant striking body is heated and annealed at 980-1100 ℃ to process the assembly surface, is heated and quenched at 980-1100 ℃ and heated and annealed at 400-550 ℃ to be in a final state
The abrasion resistance of the working surface of the impact crusher plate hammer of the high-chromium cast iron-based ZTA ceramic composite material is more than 4-5 times of that of the matrix high-chromium cast iron.
The strength of the high-chromium cast iron matrix ZTA ceramic composite material impact crusher plate hammer matrix high-chromium cast iron is more than 2 times that of the homoquality cast high-chromium cast iron.
The high-chromium cast iron-based ZTA ceramic composite material impact crusher plate hammer can meet the requirement of complex working environment, and different parts of one complete material impact crusher plate hammer part have special mechanical properties.
The beneficial effects of the invention are as follows: according to the manufacturing method of the high-chromium cast iron-based ZTA ceramic composite material impact crusher plate hammer, provided by the invention, the working surface of the plate hammer is obtained, ZTA particles are dispersed and distributed in high-chromium cast iron to form a composite body with metal and ceramic completely and tightly combined, and the bearing and supporting parts are of an integrated plate hammer structure of integral high-chromium cast iron, so that the special performances of different parts of the impact crusher plate hammer are obtained, and the customization requirement of complex working conditions on the impact crusher plate hammer is met. The strengthening principle of the impact crusher plate hammer manufacturing is densification and pressure sintering molding. Compared with the traditional cast high-chromium cast iron plate hammer, the cast high-chromium cast iron plate hammer has the advantages that the material structure is more compact, and the working surface is more wear-resistant. Compared with the traditional sintered ZTA preform and the cast plate hammer, the working surface of the invention is more wear-resistant, has higher toughness, and does not have brittle fracture and failure. Therefore, the impact crusher plate hammer matrix has comprehensive mechanical properties, the working face has super-strong wear resistance, the requirement of frequent crushing impact and wear operation is met, and the impact crusher plate hammer has long service life and good crushing effect.
Drawings
FIG. 1a is a schematic structural view of a rigid metal mold;
FIG. 1b is a top view of a rigid metal mold;
fig. 2 is a ZTA dispersion profile of the working face of the high chromium cast iron-based ZTA ceramic composite impact breaker plate hammer.
Detailed Description
The invention will be further described with reference to the accompanying drawings and examples.
The invention discloses a high-chromium cast iron-based ZTA ceramic composite material impact crusher plate hammer, which comprises a structural body and wear-resistant striking bodies positioned at two sides of the structural body, wherein the structural body and the wear-resistant striking bodies are metallurgically bonded to form an integral wear-resistant plate hammer, the structural body is high-chromium cast iron, and the double-side wear-resistant striking bodies are high-chromium cast iron-ZTA composite structures with ZTA particles in dispersion distribution.
Examples
As shown in fig. 1a and 1b, the rigid metal mold used in this embodiment includes a bottom plate 1, a first side plate 2, a second side plate 3, a first panel 4, a second panel 5, and a top plate 6, where the bottom plate 1, the first side plate 2, the second side plate 3, the first panel 4, and the second panel 5 enclose a cavity, a first grid plate 7 and a first grid plate 8 are disposed in the cavity, a first area 9 is formed between the bottom plate 1, the first side plate 2, and the first grid plate 7, a second area 10 is formed between the bottom plate 1, the second side plate 3, and the second grid plate 8, and a third area 11 is formed between the bottom plate 1, the first grid plate 7, and the second grid plate 8.
The first grid plates 7 and 8 are 1mm thick, 2mm in mesh and made of high-carbon high-chromium steel.
The manufacturing method of the impact crusher plate hammer of the high-chromium cast iron-based ZTA ceramic composite material of the embodiment comprises the following steps:
(1) Manufacturing a rigid metal mold;
(2) Filling the high-chromium cast iron-ZTA mixed powder into the first area 9 and the second area 10, and filling the high-chromium cast iron mixed powder into the third area 11;
the high-chromium cast iron mixed powder is obtained through the following steps: naNO is added into the high-chromium cast iron alloy powder 2 And Na (Na) 2 SiO 3 Uniformly mixing, and drying to obtain high-chromium cast iron mixed powder; wherein the granularity of the high-chromium cast iron alloy powder is 200 meshes, the addition amount of the mixed aqueous solution is 60mL/kg of the high-chromium cast iron alloy powder, and in the mixed aqueous solution, naNO 2 Is 10% of Na by mass 2 SiO 3 The mass concentration of (2) is 20%;
the high-chromium cast iron-ZTA mixed powder is obtained by the following steps: according to the mass percentage, 60.0% of ZTA, 4.5% of pellet binder, 3.5% of silicate solution and the balance of high-chromium cast iron powder are fully and uniformly mixed by a mixer, and dried to obtain high-chromium cast iron-ZTA mixed powder;
(3) Covering a metal die top plate 6 on the cavity, and pressurizing the top plate 6 by 50Mpa to form high-chromium cast iron mixed powder and high-chromium cast iron-ZTA mixed powder to obtain a powder forming body;
(4) Placing the powder molded body obtained in the step (3) into a box-type furnace for heating and drying, wherein the drying temperature is 120 ℃, and the drying time is 24 hours, so as to form a composite board hammer powder molded body;
(5) Placing the dry plate hammer powder model body obtained in the step (4) into an atmosphere furnace for heating, sintering and densification forming to obtain an integral wear-resistant plate hammer with a structure body and a wear-resistant striking body metallurgically bonded;
wherein, heating, sintering and densification forming are carried out according to the speed of 10 ℃/min for rising the temperature and the speed of 2Mpa/min for rising the pressure, the temperature is kept at 600 ℃ and 900 ℃ for 0.5h respectively, the sintering temperature is 1180 ℃ and the sintering time is 1h, the furnace gas is kept at 120Mpa positive pressure during the sintering period to the cooling to 600 ℃, then the temperature is reduced and the pressure is reduced, and finally the furnace gas is cooled to the room temperature, wherein, the furnace gas is argon or nitrogen.
The impact crusher plate hammer is dispersed and distributed on the high-chromium cast iron matrix at the first area 9 and the second area 10 in a way of ZTA particles, and the ZTA particles are tightly wrapped by the high-chromium cast iron.
The integral wear-resistant plate hammer part with the metallurgical combination of the obtained structure body and the double-side wear-resistant striking body is heated and annealed at 1050 ℃ to process an assembly surface; quenching at 1050 deg.c and tempering at 450 deg.c.
The method of the invention can also be used for manufacturing various wear-resistant parts such as cone crushers, impact crushers and the like.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (7)

1. A manufacturing method of a high-chromium cast iron-based ZTA ceramic composite material impact crusher plate hammer is characterized by comprising the following steps of: the method comprises the following steps:
step S1, manufacturing a rigid metal mold, wherein the rigid metal mold comprises a bottom plate (1), a first side plate (2), a second side plate (3), a first panel (4), a second panel (5) and a top plate (6), wherein the bottom plate (1), the first side plate (2), the second side plate (3), the first panel (4) and the second panel (5) are enclosed to form a cavity, a first grid plate (7) and a second grid plate (8) are arranged in the cavity, a first area (9) is formed among the bottom plate (1), the first side plate (2) and the first grid plate (7), a second area (10) is formed among the bottom plate (1), the second side plate (3) and the second grid plate (8), and a third area (11) is formed among the bottom plate (1), the first grid plate (7) and the second grid plate (8);
s2, filling high-chromium cast iron-ZTA mixed powder into a first area (9) and a second area (10), and filling high-chromium cast iron mixed powder into a third area (11);
the high-chromium cast iron mixed powder is obtained through the following steps: naNO is added into the high-chromium cast iron alloy powder 2 And Na (Na) 2 SiO 3 Uniformly mixing, and drying to obtain high-chromium cast iron mixed powder; wherein the granularity of the high-chromium cast iron alloy powder is 100-300 meshes, the addition amount of the mixed aqueous solution is 20-100mL/kg, and the NaNO in the mixed aqueous solution 2 The mass concentration of (2) is 10-20%, na 2 SiO 3 The mass concentration of (2) is 20-50%;
the high-chromium cast iron-ZTA mixed powder is obtained through the following steps: according to the mass percentage, 45.0-70.0% of ZTA, 0.5-4.5% of pellet binder, 1.5-3.5% of silicate solution and the balance of high-chromium cast iron powder are fully and uniformly mixed by a mixer, and dried to obtain high-chromium cast iron-ZTA mixed powder;
step S3, covering a metal die top plate (6) on the cavity, and pressurizing the top plate (6) to form high-chromium cast iron mixed powder and high-chromium cast iron-ZTA mixed powder to obtain a powder forming body;
s4, placing the powder molding body obtained in the step S3 into a box-type furnace for heating and drying to form a composite board hammer powder molding body;
and S5, placing the composite board hammer powder molded body obtained in the step S4 into an atmosphere furnace for heating, sintering and densification molding to obtain the integral wear-resistant board hammer with the metallurgical combination of the structural body and the wear-resistant striking body.
2. The method for manufacturing the high-chromium cast iron-based ZTA ceramic composite material impact crusher plate hammer according to claim 1, wherein the method comprises the following steps: in the step S1, the thicknesses of the first grid plate (7) and the second grid plate (8) of the rigid metal mold are not more than 1mm, meshes are not more than 2mm, and the rigid metal mold is made of high-carbon high-chromium steel.
3. The method for manufacturing the high-chromium cast iron-based ZTA ceramic composite material impact crusher plate hammer according to claim 1, wherein the method comprises the following steps: in the step S3, the pressurizing pressure of the top plate is 20-100Mpa.
4. The method for manufacturing the high-chromium cast iron-based ZTA ceramic composite material impact crusher plate hammer according to claim 1, wherein the method comprises the following steps: in the step S4, the drying temperature is 100-140 ℃, and the drying time is increased by 10min per millimeter of thickness in the direction of the minimum cross section dimension.
5. The method for manufacturing the high-chromium cast iron-based ZTA ceramic composite material impact crusher plate hammer according to claim 1, wherein the method comprises the following steps: in the step S5, heating, sintering and densification forming are carried out at the speed of 6-12 ℃/min, the temperature is raised at the speed of 1-2Mpa/min, the temperature is kept at 600 ℃ and 900 ℃ for 0.5h, the sintering temperature is 980-1280 ℃, the sintering time is calculated according to the maximum size of the cross section of 3-10min/mm, the furnace gas is kept at the positive pressure of 120-180Mpa during the sintering period to the temperature of 600 ℃ after cooling, then the furnace gas is cooled and depressurized, and finally the furnace gas is cooled to the room temperature, wherein the furnace gas is argon or nitrogen.
6. The method for manufacturing the high-chromium cast iron-based ZTA ceramic composite material impact crusher plate hammer according to claim 1, wherein the method comprises the following steps: the impact crusher plate hammer is characterized in that ZTA particles are dispersed and distributed on a high-chromium cast iron matrix at the first area (9) and the second area (10) at two sides of the impact crusher plate hammer, and the ZTA particles are tightly wrapped by the high-chromium cast iron.
7. The method for manufacturing the high-chromium cast iron-based ZTA ceramic composite material impact crusher plate hammer according to claim 1, wherein the method comprises the following steps: the integral wear-resistant plate hammer with the metallurgical combination of the structural body and the wear-resistant striking body is used for heating and annealing the assembly surface at 980-1100 ℃, is used for heating and quenching at 980-1100 ℃ and is used for heating and annealing at 400-550 ℃ to be in a final state.
CN202210118583.2A 2022-02-08 2022-02-08 Impact crusher plate hammer made of high-chromium cast iron-based ZTA ceramic composite material and manufacturing method thereof Active CN114570481B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210118583.2A CN114570481B (en) 2022-02-08 2022-02-08 Impact crusher plate hammer made of high-chromium cast iron-based ZTA ceramic composite material and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210118583.2A CN114570481B (en) 2022-02-08 2022-02-08 Impact crusher plate hammer made of high-chromium cast iron-based ZTA ceramic composite material and manufacturing method thereof

Publications (2)

Publication Number Publication Date
CN114570481A CN114570481A (en) 2022-06-03
CN114570481B true CN114570481B (en) 2023-05-05

Family

ID=81772170

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210118583.2A Active CN114570481B (en) 2022-02-08 2022-02-08 Impact crusher plate hammer made of high-chromium cast iron-based ZTA ceramic composite material and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN114570481B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114559039A (en) * 2022-02-08 2022-05-31 徐州徐工矿业机械有限公司 Iron-based ceramic preform with wear-resistant ceramic particles dispersed and distributed and manufacturing method thereof
CN114921708B (en) * 2022-07-20 2022-09-27 昆明理工大学 Preparation method of authigenic ZTA ceramic reinforced iron-based composite material

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103203446B (en) * 2013-03-23 2015-10-07 广州有色金属研究院 A kind of local pottery strengthens the preparation method of aluminum-base composite wearing piece
CN103331429B (en) * 2013-06-27 2015-04-15 重庆罗曼耐磨新材料股份有限公司 Preparation method of ceramic metal compound prefabricated body
CN103785841B (en) * 2014-01-22 2016-03-30 西安交通大学 A kind of slurry is coated with the preparation method that ZTA strengthens steel-based composite wear-resistant part
CN103769562B (en) * 2014-01-22 2016-03-02 西安交通大学 A kind of preparation method of active element sintering ZTA particle enhanced steel iron-based composite hammer head
CN106191496B (en) * 2016-08-09 2018-02-16 中国矿业大学(北京) The method that powder metallurgy prepares the particulate reinforced metal-based wearing composite materials of ZTA
CN109020603B (en) * 2018-08-30 2021-07-23 暨南大学 Porous ZTA ceramic preform coated by Cu-Ti alloy micro powder, and preparation and application thereof
CN109053215B (en) * 2018-08-30 2021-07-23 暨南大学 Honeycomb ZTA ceramic preform coated by Fe-Cr-Ni-Ti micro powder, and preparation and application thereof
CN109569797A (en) * 2018-12-21 2019-04-05 郑州鼎盛高新能源工程技术有限公司 A kind of preset ceramic body cast iron bar and preparation method thereof
CN109663900B (en) * 2018-12-26 2021-10-12 广东越科新材料有限公司 Steel-based composite board hammer and preparation method thereof
CN214051897U (en) * 2020-11-24 2021-08-27 国千科技集团有限公司 Metal matrix ceramic composite wear-resistant plate hammer
CN113292318A (en) * 2021-03-19 2021-08-24 西安理工大学 Preparation method of ZTA/high-chromium cast iron composite wear-resistant material
CN113560540A (en) * 2021-07-06 2021-10-29 太原理工大学 Method for preparing ZTA ceramic particle reinforced high-chromium cast iron based wear-resistant composite material
CN113862548B (en) * 2021-08-31 2022-05-24 昆明理工大学 Preparation method of in-situ synthesized ZTA particle reinforced steel-based configuration composite material

Also Published As

Publication number Publication date
CN114570481A (en) 2022-06-03

Similar Documents

Publication Publication Date Title
CN114570481B (en) Impact crusher plate hammer made of high-chromium cast iron-based ZTA ceramic composite material and manufacturing method thereof
CN103143708B (en) Preparation method of hard alloy preform and method for preparing composite wear-resistant part by using hard alloy preform
CN101899585B (en) Prefabricated part of composite abrasion-resistant part and method for manufacturing abrasion-resistant part with same
CN103143699B (en) Composite reinforced wear-resistant part of metal-ceramic prefabricated member and manufacturing method of composite reinforced wear-resistant part
JP4222944B2 (en) Casting parts with enhanced wear resistance
CN103131969B (en) Ceramic grid enhanced metal matrix composite perform and preparation method thereof
CN101899586B (en) Preparation process of composite preform
CN103418790A (en) Anti-abrasion metal-ceramic composite product and preparation method thereof
CN103785841B (en) A kind of slurry is coated with the preparation method that ZTA strengthens steel-based composite wear-resistant part
CN101905185B (en) In-situ ceramic partially-reinforced composite material hammerhead for crusher and preparation method
CN104439192A (en) Method for manufacturing cellular ceramic-metal composite vertical mill roller
CN104152777A (en) Method for manufacturing TiC-based steel bond hard alloy composite wear-resisting reinforcing body
CN109128005B (en) Metal framework toughened ceramic composite material and preparation method and application thereof
CN103769563A (en) Preparation method for active element sintered ZTA (Zirconia Toughened Alumina) particulate reinforced steel based compound grinding roller and grinding disk
CN111809100B (en) NiCrAlY high-temperature sintered ZTA particle reinforced steel-based composite material and preparation method thereof
CN109338206B (en) Preparation method of porous mesh ceramic reinforced steel-based composite crushing wall
CN104139185A (en) Preparation method for wear-resisting metal ceramic composite material
CN113755737A (en) Double-scale particle reinforced metal matrix configuration composite material, preparation method and application
CN106367661A (en) Preparation method for particle-reinforced iron-based surface composite material
CN103769562A (en) Preparation method for active element sintered ZTA (Zirconia Toughened Alumina) particulate reinforced steel based compound hammer
CN104148614A (en) Metal ceramic grid composite reinforced liner plate
CN103343301B (en) Preparation method of quincuncial pile network distribution ceramic/metal composite material
CN114939646A (en) TiC metal ceramic particle reinforced composite wear-resistant grinding roller and preparation process thereof
CN109014136B (en) Composite wear-resistant tamping pickaxe and preparation method thereof
CN114570483B (en) Martensitic/bainitic steel-based ZTA ceramic composite material impact crusher plate hammer and manufacturing method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant