CN102430744B - Casting process of highly-abrasionproof composite lining plate - Google Patents
Casting process of highly-abrasionproof composite lining plate Download PDFInfo
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- CN102430744B CN102430744B CN 201110412844 CN201110412844A CN102430744B CN 102430744 B CN102430744 B CN 102430744B CN 201110412844 CN201110412844 CN 201110412844 CN 201110412844 A CN201110412844 A CN 201110412844A CN 102430744 B CN102430744 B CN 102430744B
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Abstract
The invention relates to a casting process of a highly-abrasionproof composite lining plate. The process comprises the following steps of: surface treatment of a ceramic layer, casting of the composite lining plate and thermal refining and comprises the specific steps of: cleaning scrubbing the ceramic layer by using an organic solvent, adding metallic powder to water glass used as a bonder and evenly mixing to prepare a wetting phase, and evenly coating the wetting phase onto the surface of the ceramic layer; and then preheating the ceramic layer, placing the preheated ceramic layer in a casing die cavity and pouring molten metal for casting, and after casting is ended, carrying out thermal refining to prepare the highly-abrasionproof ceramic metal composite lining plate, wherein the molten liquid is also added with active element metals. The process disclosed by the invention has the advantages of high production efficiency, no need of special welding equipment and simple process; and the prepared ceramic metal composite lining plate has very good wearing-resisting effect.
Description
Technical field
The present invention relates to composite liner and make the field, be specifically related to a kind of casting technique of high abrasion composite liner.
Background technology
In the prior art, the preparation of metal/ceramic composite has methods such as mull technique, mechanical connection, fusing process of intermediate and soldering and solid-state diffusion weldering.Mull technique is subjected to temperature restriction and the scope of application is limited, and mechanical connection often produces bigger joint stress and can not get higher binding strength and be not suitable for the high temperature occasion; Be welding in the composite joint that can make high temperatures under certain condition, but be difficult to the ceramet connection of formation face-face, and the equipment investment costliness; The process characteristic of active metal brazing is configuration high vacuum or controlled atmosphere equipment, and joint quality is good, by the property height, is easy to accomplish scale production, and technological process is easy to control.The difficult point of active metal brazing is the solder configuration and reduces interfacial stress.The solid-state diffusion weldering can be satisfied the requirement that high temperature is used, but complex technical process, to connecting surperficial processing and the requirement height of connection device; High connection temperature be connected pressure and can increase residual stress, cause deformation of members.
Summary of the invention
The objective of the invention is the deficiency for solving the problems of the technologies described above, a kind of casting technique of high abrasion composite liner is provided, production efficiency height, bond strength height, do not need the preparation technology of the ceramic-metal composites of special welding equipment.
The present invention is the deficiency that solves the problems of the technologies described above, and the technical scheme that adopts is: a kind of casting technique of high abrasion composite liner is characterized in that: described technology may further comprise the steps:
(1), the surface treatment of ceramic layer: with an organic solvent with the surperficial scrub of ceramic layer, be binding agent with waterglass, the interpolation metal dust mixes and makes wetting phase in waterglass, and wetting phase evenly is coated in the surface of ceramic layer, place standbyly, the applied thickness of wetting phase is no more than 10mm; Wherein, metal dust is according to percentage by weight, and the Ti powder by 5～20%, 20～70% Al powder and 30～50% Ni powder mix and make, and the granularity of mixed metal powder is 10～50 μ m;
(2), composite liner casting: with the preheating 30～60 minutes under 800～900 ℃ of conditions of the ceramic layer handled well in the step (1), put into the die cavity of casting mould to erect form arranged side by side then, and leave the gap between the ceramic layer, smelting metal liquid is cast in the die cavity in the space between the ceramic layer, and the pouring temperature of molten metal is 1300～1360 ℃; Wherein also be added with the active element metal powder of pouring metal melt quality 2～10% in the molten metal, the active element metal powder is the mixed metal powder of Ti powder and Zr powder, wherein the mass ratio of Ti powder and Zr powder is 1/10～10/1 in the mixed metal powder, and the granularity of mixed metal powder is 10～50 μ m;
(3), modifier treatment: after the quenching, 400～500 ℃ of temper.
Described ceramic layer is oxide ceramics, carbide ceramics or nitride ceramics.
The invention has the beneficial effects as follows:
(1) method of the present invention can increase the wetability between pottery and the metal at ceramic layer surface metallization powder, strengthens the bond strength between ceramic layer and the metal level.
(2) method of the present invention adds the active element metal powder in casting of metals liquid, can further improve the wetability between pottery and the metal, strengthens the bond strength between ceramic layer and the metal level.
(3) process production efficiency height of the present invention, do not need special welding equipment, technology is simple, the wear-resisting effect of ceramet composite liner that makes is very good.
The specific embodiment
Below be specific embodiments of the invention:
Embodiment 1
A kind of casting technique of high abrasion composite liner may further comprise the steps:
(1), the surface treatment of ceramic layer: use acetone with the surperficial scrub of ceramic layer, be binding agent with waterglass, in waterglass, add metal dust and mix and make wetting phase, and wetting phase evenly is coated in the surface of ceramic layer, place standbyly, the applied thickness of wetting phase is 6mm; Wherein, metal dust is according to percentage by weight, and the Ti powder by 5%, 60% Al powder and 35% Ni powder mix and make, and the granularity of mixed metal powder is 10 μ m; Acetone is a kind of of organic solvent, and solvability is strong, and cleaning performance is good.Waterglass is as binding agent, and cohesive force is strong, intensity is higher, acid resistance, good heat resistance.Be particularly suitable in composite liner casting processing, using.
(2), composite liner casting: with the preheating 60 minutes under 800 ℃ of conditions of the ceramic layer handled well in the step (1), put into the die cavity of casting mould to erect form arranged side by side then, and leave the gap between the ceramic layer, smelting metal liquid is cast in the die cavity in the space between the ceramic layer, and the pouring temperature of molten metal is 1300 ℃; Wherein also be added with the active element metal powder of pouring metal melt amount 2 % in the molten metal, the active element metal powder is the mixed metal powder of Ti powder and Zr powder, wherein the mass ratio of Ti powder and Zr powder is 1/10 in the mixed metal powder, and the granularity of mixed metal powder is 25 μ m; In order to increase the wetability of metal level and ceramic layer, at ceramic layer surface precoating metal dust, and when pouring into a mould, molten steel adds the reactive metal element, can improve wetability between metal level and the ceramic layer.
(3), modifier treatment: after the quenching, 400 ℃ of temper.
Embodiment 2
A kind of casting technique of high abrasion composite liner may further comprise the steps:
(1), the surface treatment of ceramic layer: use acetone with the surperficial scrub of ceramic layer, be binding agent with waterglass, in waterglass, add metal dust and mix and make wetting phase, and wetting phase evenly is coated in the surface of ceramic layer, place standbyly, the applied thickness of wetting phase is 8mm; Wherein, metal dust is according to percentage by weight, and the Ti powder by 20%, 30% Al powder and 50% Ni powder mix and make, and the granularity of mixed metal powder is 50 μ m; Acetone is a kind of of organic solvent, and solvability is strong, and cleaning performance is good.Waterglass is as binding agent, and cohesive force is strong, intensity is higher, acid resistance, good heat resistance.Be particularly suitable in composite liner casting processing, using.
(2), composite liner casting: with the preheating 45 minutes under 850 ℃ of conditions of the ceramic layer handled well in the step (1), put into the die cavity of casting mould to erect form arranged side by side then, and leave the gap between the ceramic layer, smelting metal liquid is cast in the die cavity in the space between the ceramic layer, and the pouring temperature of molten metal is 1340 ℃; Wherein also be added with the active element metal powder of pouring metal melt amount 6% in the molten metal, the active element metal powder is the mixed metal powder of Ti powder and Zr powder, wherein the mass ratio of Ti powder and Zr powder is 1/1 in the mixed metal powder, and the granularity of mixed metal powder is 50 μ m; In order to increase the wetability of metal level and ceramic layer, at ceramic layer surface precoating metal dust, and when pouring into a mould, molten steel adds the reactive metal element, can improve wetability between metal level and the ceramic layer.
(3), modifier treatment: after the quenching, 450 ℃ of temper.
Embodiment 3
A kind of casting technique of high abrasion composite liner may further comprise the steps:
(1), the surface treatment of ceramic layer: use acetone with the surperficial scrub of ceramic layer, be binding agent with waterglass, the interpolation metal dust mixes and makes wetting phase in waterglass, and wetting phase evenly is coated in the surface of ceramic layer, place standbyly, the applied thickness of wetting phase is 10mm; Wherein, metal dust is according to percentage by weight, and the Ti powder by 15%, 55% Al powder and 30% Ni powder mix and make, and the granularity of mixed metal powder is 25 μ m; Acetone is a kind of of organic solvent, and solvability is strong, and cleaning performance is good.Waterglass is as binding agent, and cohesive force is strong, intensity is higher, acid resistance, good heat resistance.Be particularly suitable in composite liner casting processing, using.
(2), composite liner casting: with the preheating 30 minutes under 900 ℃ of conditions of the ceramic layer handled well in the step (1), put into the die cavity of casting mould to erect form arranged side by side then, and leave the gap between the ceramic layer, smelting metal liquid is cast in the die cavity in the space between the ceramic layer, and the pouring temperature of molten metal is 1360 ℃; Wherein also be added with the active element metal powder of pouring metal melt amount 10% in the molten metal, the active element metal powder is the mixed metal powder of Ti powder and Zr powder, wherein the mass ratio of Ti powder and Zr powder is 10/1 in the mixed metal powder, and the granularity of mixed metal powder is 10 μ m; In order to increase the wetability of metal level and ceramic layer, at ceramic layer surface precoating metal dust, and when pouring into a mould, molten steel adds the reactive metal element, can improve wetability between metal level and the ceramic layer.
(3), modifier treatment: after the quenching, 500 ℃ of temper.
Claims (2)
1. the casting technique of a high abrasion composite liner, it is characterized in that: described technology may further comprise the steps:
(1), the surface treatment of ceramic layer: with an organic solvent with the surperficial scrub of ceramic layer, be binding agent with waterglass, the interpolation metal dust mixes and makes wetting phase in waterglass, and wetting phase evenly is coated in the surface of ceramic layer, place standbyly, the applied thickness of wetting phase is no more than 10mm; Wherein, metal dust is according to percentage by weight, and the Ti powder by 5～20%, 30～60% Al powder and 30～50% Ni powder mix and make, and the granularity of mixed metal powder is 10～50 μ m;
(2), composite liner casting: with the preheating 30～60 minutes under 800～900 ℃ of conditions of the ceramic layer handled well in the step (1), put into the die cavity of casting mould to erect form arranged side by side then, and leave the gap between the ceramic layer, smelting metal liquid is cast in the die cavity in the space between the ceramic layer, and the pouring temperature of molten metal is 1300～1360 ℃; Wherein also be added with the active element metal powder of pouring metal melt quality 2～10% in the molten metal, the active element metal powder is the mixed metal powder of Ti powder and Zr powder, wherein the mass ratio of Ti powder and Zr powder is 1/10～10/1 in the mixed metal powder, and the granularity of mixed metal powder is 10～50 μ m;
(3), modifier treatment: after the quenching, 400～500 ℃ of temper.
2. the casting technique of a kind of high abrasion composite liner according to claim 1, it is characterized in that: described ceramic layer is oxide ceramics, carbide ceramics or nitride ceramics.
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| CN 201110412844 CN102430744B (en) | 2011-12-13 | 2011-12-13 | Casting process of highly-abrasionproof composite lining plate |
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| CN 201110412844 CN102430744B (en) | 2011-12-13 | 2011-12-13 | Casting process of highly-abrasionproof composite lining plate |
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| CN104139172A (en) * | 2013-05-08 | 2014-11-12 | 陈威 | Method for forming mullite-based ceramic cylinder reinforced composite wear-resistant steel plate |
| CN103386460B (en) * | 2013-07-22 | 2015-02-04 | 河南科技大学 | Preparation technology for gradient composite wear-resistant conical liner plate |
| CN108202138B (en) * | 2016-12-16 | 2019-10-22 | 邯郸史威新材料有限公司 | A kind of Ceramic Composite tooth plate inlays casting method |
| CN113020592A (en) * | 2021-03-22 | 2021-06-25 | 中原工学院 | Preparation method and application of ceramic particle surface-coated metal powder composite material |
| CN113290227A (en) * | 2021-04-29 | 2021-08-24 | 蔡建国 | High-efficient hot die-casting machine is used in function ceramic preparation |
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| JPS6263630A (en) * | 1985-09-13 | 1987-03-20 | Sumitomo Metal Ind Ltd | Production of metal-ceramic composite material |
| JPH01287242A (en) * | 1988-05-11 | 1989-11-17 | Hitachi Ltd | Surface modified parts and its manufacture |
| CN1142305C (en) * | 2001-11-08 | 2004-03-17 | 北京科技大学 | High temperature high performance high-niobium titanium-aluminium alloy |
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