CN102051550B - Damping wear-resistant zinc alloy material and preparation method thereof - Google Patents
Damping wear-resistant zinc alloy material and preparation method thereof Download PDFInfo
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- CN102051550B CN102051550B CN201110007042A CN201110007042A CN102051550B CN 102051550 B CN102051550 B CN 102051550B CN 201110007042 A CN201110007042 A CN 201110007042A CN 201110007042 A CN201110007042 A CN 201110007042A CN 102051550 B CN102051550 B CN 102051550B
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Abstract
The invention discloses a damping wear-resistant zinc alloy material and a preparation method thereof. The material adopts zinc alloy as a basal body, and steel-wire groups and carbon fiber are distributed in the basal body; the diameter of the steel-wire groups is within 10 to 15 cm, the specification of rectangular cross sections of steel wires is (0.1-0.4 mm)*(0.5-1.5 mm); and the weight radio between the steel wires and the carbon fiber is (25-30):1, and the volume percentage of the material of both the steel wires and the carbon fiber is within 20 to 40 percent. The alloy material provided by the invention has higher ductility and high wearing resistance, simple technology, and low manufacturing cost.
Description
Technical field
The invention belongs to metal material field, be specifically related to the compound enhancing damping of a kind of steel wire and thomel abrasion-proof zinc alloy material and preparation method thereof.
Background technology
In metal material field, the damping abrasion-proof zinc alloy receives generally as high-abrasive material always and paying attention to.
CN98110581.5 discloses a kind of wear resistant alloy material, is specially a kind of casting wear-resistant Zn-Al alloy.This material is base with zinc; Aluminium, copper are main alloy element; Carry out multicomponent microalloy processing and grain refining, the rotten processing through adding antimony, magnesium, titanium, boron, lanthanum element, and adopt melt thermal treatment melting technology, the desirable bearing alloy structure of the hard point that obtained to distribute on the tiny soft matrix of crystal grain; Improve the mechanical property of alloy, improved its friction and wear characteristic and casting quality.But the wear resistance of its preparation zinc alloy is not high, and production technique is comparatively complicated.
CN87105901.0 discloses a kind of Al-Zn high damping alloy with high abrasion, corrosion resisting property.The adding of mishmetal RE has improved the wear-resisting and solidity to corrosion of alloy, through the choose reasonable thermal treatment process, to obtain good damping capacity.The Al-Zn casting alloy of invention can be widely used in existing wear-resisting, anti-corrosion requirement, requires the component of vibration damping or noise reduction occasion again.This alloying constituent compositing range (weight percent) is: Al 15-75%, and Cu 0.1-1.5%, Si 1-6%, RE 0.001-0.7%, remaining is Zn and unavoidable impurities element.But the wear resistance of resulting aluminium zinc and the over-all properties of damping and amortization are not high.
Summary of the invention
The object of the invention is exactly to above-mentioned technological deficiency, and the compound enhancing damping of a kind of steel wire and thomel abrasion-proof zinc alloy material is provided.
Another object of the present invention provides a kind of steel wire and the compound enhancing damping of thomel abrasion-proof zinc alloy preparation methods.
The objective of the invention is to realize through following technical scheme:
A kind of damping abrasion-proof zinc alloy material, this material is a matrix with the zinc alloy, the steel wire that in matrix, distributing group and thomel; It is 10～15cm that said steel wire is rolled into a ball diameter, and used section of steel wire is a rectangle, and the cross section specification is 0.1～0.4mm * 0.5～1.5mm; The weight ratio of said steel wire and thomel is 25～30:1, and the volume percent that steel wire and thomel account for material altogether is 20-40%;
The following chemical components in percentage by weight of zinc alloy matrix: Al is 30%～40%, and Sr is 0.02%～0.05%, and Si is 3%～6%; Pb is 2%～4%, and Fe is 0.2%～0.4%, and Y is 0.05%～0.1%; Mn is 1%～3%, and Ho is 0.01%～0.03%, and all the other are Zn;
The following chemical components in percentage by weight of steel wire is: C is 0.4%～0.75%, and Si is 0.2%～0.3%, and Mn is 0.5%～0.85%, and < 0.02%, < 0.025%, all the other are Fe to S to P;
Thomel is T300, and diameter is 7 microns, and length-to-diameter ratio is 100～500:1.
Also be distributed with CrZn in the above-mentioned matrix
17And Cr
3The Si particle.
A kind of damping abrasion-proof zinc alloy preparation methods, it may further comprise the steps:
The preparation of chromium plating steel wire group and thomel: getting the cross section is that rectangle, specification are that 0.1～0.4mm * 0.5～1.5mm, composition are that C is 0.4%～0.75%; Si is 0.2%～0.3%; Mn is 0.5%～0.85%, and < 0.02%, S < 0.025% for P; All the other are the steel wire of Fe, and diameter is that 7 microns, length-to-diameter ratio are the T300 thomel of 100～500:1; The weight ratio of said steel wire and thomel is 25～30:1, and the volume percent that steel wire and thomel account for material altogether is 20～40%; Get the ordinary method preparation cleaning globular steel wire group that steel wire is produced by cleaning ball, the diameter of steel wire group is 10～15cm, and prepares chromium plating steel wire group by the conventional chemical heat-treating methods in its chrome-faced, and the thickness of said chromium coating is 50-100 μ m;
Chromium plating steel wire group adheres to the preparation of thomel: water glass solution is immersed in group with the chromium plating steel wire, and the concentration of said water glass solution is 1.3～1.5 g/cm
3, modulus is 2.6～3.0; Steel wire group is taken out from water glass solution, and then thomel rubbed spread in the steel wire group that has water glass solution, make thomel evenly be bonded at the surface of steel wire; After treating that water glass solidifies, some steel wire groups that are stained with thomel are put into the casting mold die cavity; The tightness of steel wire group accounts for the volume percent decision of material altogether by steel wire and thomel, and guarantees that steel wire group just in time piles casting mold; Mo(u)ld top half with casting mold is placed on the mo(u)ld bottom half then, waits for the cast of zinc alloy water after mould assembling finishes;
The preparation of zinc alloy material matrix: percentage composition Al is 30%～40% by weight, and Sr is 0.02%～0.05%, and Si is 3%～6%; Pb is 2%～4%, and Fe is 0.2%～0.4%, and Y is 0.05%～0.1%; Mn is 1%～3%, and Ho is 0.01%～0.03%, and all the other are prepared burden for Zn; The zinc alloy matrix melted in induction furnace obtain zinc alloy water, temperature of fusion is 690-710 ℃;
Above-mentioned zinc alloy water is poured into the casting mold that the steel wire group that adheres to thomel is housed, and liquid Zn alloy water gets into steel wire group gap thomel and steel wire is surrounded, cooled and solidified then, form with the zinc alloy be matrix wherein be distributed with the material that thomel and steel wire are rolled into a ball.
It is following that the present invention compares the beneficial effect of prior art:
(1) steel wire self has suitable intensity and high toughness in the material of the present invention, and because of iron and zinc have certain solubleness each other, so steel wire and zinc alloy be easy to combine, and forms good metallurgical binding.Like this, steel wire is distributed in the zinc alloy, and material is had good enhancing toughening effect, and the steel wire carbon content is higher simultaneously, has wear-resisting effect.
(2) be distributed with thomel in the alloy material of the present invention, thomel not only has antifriction function, and with the steel wire acting in conjunction, therefore the toughness of strongthener and intensity help the alloy wear-resisting performance and improve.
(3) in moulding process, zinc alloy water gets into casting mold die cavity and chromium plated steel wire connection after touch, and the Cr of Steel Wire Surface is fused to zinc water formation CrZn
17, Si in the liquid Zn alloy water and the Cr of Steel Wire Surface reaction form the high Cr of a small amount of hardness
3The special compound of Si, formed this special compound disperse is distributed in the matrix, has further improved the wear resistance of material.
(4) section of steel wire of material selection of the present invention is a rectangle, and contains tiny thomel, so the alloy median surface is many, and surface-area is big, and this material has good damping vibration attenuation performance; And it is spherical in shape that steel wire is processed steel wire group, the thomel uniform distribution in material that is beneficial to steel wire and adheres on it.
(5) alloy material of the present invention has replaced part zinc with iron, and the cost of material is low, and preparation technology is easy, and production cost is low, and the alloy material performance of production is good, and is convenient to very much suitability for industrialized production.The plasticity of this material, toughness and wear resisting property are good, and casting dimension is stablized, and lower cost for material is an excellent material of making sliding friction parts such as bearing shell, axle sleeve, worm gear.
(6) P, S are impurity in the material of the present invention, are controlled at the scope of permission.
Alloy property of the present invention is seen table 1.
Description of drawings
The metallographic structure of steel wire that Fig. 1 makes for the embodiment of the invention one and the compound enhancing damping of thomel abrasion-proof zinc alloy material.
Fig. 1 can see at zinc alloy and combining well with steel wire.
Embodiment
Below each embodiment only with of the present invention the explaining of opposing, weight percent wherein all can change weight g, kg or other weight unit into.Steel wire among each embodiment and thomel are commercial, the chromium coating self-control.
Embodiment one
The following chemical components in percentage by weight of zinc alloy matrix: Al is 30%, and Sr is 0.02%, and Si is 3%, and Pb is 2%, and Fe is 0.2%, and Y is 0.05%, and Mn is 1%, and Ho is 0.01%, and all the other are Zn.
The following chemical components in percentage by weight of steel wire: C is 0.4%, and Si is 0.2%, and Mn is 0.5%, and < 0.02%, < 0.025%, all the other are Fe to S to P; The cross section of steel wire is a rectangle, and specification is 0.1mm * 0.5mm.
Thomel is T300, and diameter is 7 microns, and length-to-diameter ratio is 100:1.
The weight ratio of steel wire and thomel is 25:1, and control steel wire and thomel account for the volume percent .20% of material altogether.
Get the ordinary method preparation cleaning globular steel wire group that steel wire is produced by cleaning ball or steel wire lump, the diameter of steel wire group is 10cm, and prepares chromium plating steel wire group by the conventional chemical heat-treating methods in its chrome-faced, and the thickness of said chromium coating is 50 μ m.
The preparation process is following: water glass solution is immersed in group with the chromium plating steel wire, and the concentration of said water glass solution is 1.3g/cm
3, modulus is 2.6; Steel wire group is taken out from water glass solution, and then thomel rubbed spread in the steel wire group that has water glass solution, make thomel evenly be bonded at the surface of steel wire; After treating that water glass solidifies, some steel wire groups that are stained with thomel are put into the casting mold die cavity; The tightness of steel wire group accounts for the volume percent decision of material altogether by steel wire and thomel, and guarantees that steel wire group just in time piles casting mold; Mo(u)ld top half with casting mold is placed on the mo(u)ld bottom half then, waits for the cast of zinc alloy water after mould assembling finishes;
The zinc alloy matrix melted in induction furnace obtain zinc alloy water, temperature of fusion is 695-705 ℃;
Above-mentioned zinc alloy water is poured into the casting mold that the steel wire group that adheres to thomel is housed, and liquid Zn alloy water gets into steel wire group gap thomel and steel wire is surrounded, cooled and solidified then, form with the zinc alloy be matrix wherein be distributed with the material that thomel and steel wire are rolled into a ball.
Embodiment two
The following chemical components in percentage by weight of zinc alloy matrix: Al is 40%, and Sr is 0.05%, and Si is 6%, and Pb is 4%, and Fe is 0.4%, and Y is 0.1%, and Mn is 3%, and Ho is 0.03%, and all the other are Zn.
The following chemical components in percentage by weight of steel wire: C is 0.75%, and Si is 0.3%, and Mn is 0.85%, and < 0.02%, < 0.025%, all the other are Fe to S to P; Section of steel wire is a rectangle, and the cross section specification is 0.4mm * 1.5mm.
Thomel is T300, and diameter is 7 microns, and length-to-diameter ratio is 400:1.
The weight ratio of steel wire and thomel is 30:1, and the volume percent that control steel wire and thomel account for material altogether is 40%.
Get the ordinary method preparation cleaning globular steel wire group that steel wire is produced by cleaning ball or steel wire lump, the diameter of steel wire group is 15cm, and prepares chromium plating steel wire group by the conventional chemical heat-treating methods in its chrome-faced, and the thickness of said chromium coating is 100 μ m.
The preparation process is with embodiment one, and wherein the concentration of water glass solution is 1.5g/cm
3, modulus is 3.0.
Embodiment three
The following chemical components in percentage by weight of zinc alloy matrix: Al is 35%, and Sr is 0.04%, and Si is 5%, and Pb is 3%, and Fe is 0.34%, and Y is 0.08%, and Mn is 2%, and Ho is 0.02%, and all the other are Zn.
The following chemical components in percentage by weight of steel wire: C is 0.6%, and Si is 0.25%, and Mn is 0.7%, and < 0.02%, < 0.025%, all the other are Fe to S to P; Section of steel wire is a rectangle, and the cross section specification is 0.3mm * 0.7mm.
Thomel is T300, and diameter is 7 microns, and length-to-diameter ratio is 190:1.
The weight ratio of steel wire and thomel is 27:1, and control steel wire and thomel account for the volume percent .35% of material altogether.
Get the ordinary method preparation cleaning globular steel wire group that steel wire is produced by cleaning ball or steel wire lump, the diameter of steel wire group is 12cm, and prepares chromium plating steel wire group by the conventional chemical heat-treating methods in its chrome-faced, and the thickness of said chromium coating is 70 μ m.
The preparation process is with embodiment one, and wherein the concentration of water glass solution is 1.4g/cm
3, modulus is 2.8.
The comparative example four
The following chemical components in percentage by weight of zinc alloy matrix: Al is 20%, and Sr is 0.01%, and Si is 2%, and Pb is 1%, and Fe is 0.1%, and Y is 0.04%, and Mn is 0.5%, and Ho is 0.005%, and all the other are Zn.
The following chemical components in percentage by weight of steel wire: C is 0.3%, and Si is 0.1%, and Mn is 0.4%, and < 0.02%, < 0.025%, all the other are Fe to S to P; Section of steel wire is circular, and radius is 0.1mm.
Thomel is T300, and diameter is 7 microns, and length-to-diameter ratio is 50:1.
The weight ratio of steel wire and thomel is 25:1, and control steel wire and thomel account for the volume percent .10% of material altogether.
Get the ordinary method preparation cleaning globular steel wire group that steel wire is produced by cleaning ball or steel wire lump, the diameter of steel wire group is 10cm, and not chromium plating of Steel Wire Surface.
The preparation process is with embodiment one.
The comparative example five
The following chemical components in percentage by weight of zinc alloy matrix: percentage composition Al is 50% by weight, and Sr is 0.09%, and Si is 8%, and Pb is 5%, and Fe is 0.7%, and Y is 0.2%, and Mn is 4%, and Ho is 0.04%, and all the other are Zn.
The following chemical components in percentage by weight of steel wire: C is 0.8%, and Si is 0.5%, and Mn is 0.9%, and < 0.02%, < 0.025%, all the other are Fe to S to P; Section of steel wire is a rectangle, and the cross section specification is 0.5mm * 2mm.
Thomel is T300, and diameter is 7 microns, and length-to-diameter ratio is 600:1.
The weight ratio of steel wire and thomel is 25:1, and control steel wire and thomel account for the volume percent .60% of material altogether
Get the ordinary method preparation cleaning globular steel wire group that steel wire is produced by cleaning ball or steel wire lump, the diameter of steel wire group is 10cm, and prepares chromium plating steel wire group by the conventional chemical heat-treating methods in its chrome-faced, and the thickness of said chromium coating is 200 μ m.
The preparation process is with embodiment one.
Product performance are analyzed:
Visible by following table, Al, Sr, Si, Pb, Sn, Fe, Y, the Ho in the zinc alloy matrix of the present invention increases the mechanical property that is beneficial to alloy and improves; But it is too much that some element such as Al, Sr, Si, Pb, Fe cross the compound that forms at most, can weaken the wear resisting property of alloy.Some element such as Y, Ho are too much, then can cause the element waste.
Composition C in the steel wire, Si, Mn increase the mechanical property that is beneficial to alloy and improve; Too much can weaken the wear resistance of alloy.
Section of steel wire is that rectangle is convenient to the bonded carbon fiber.But the cross section specification is too small, is unfavorable for the bonded carbon fiber; Otherwise specification is excessive, and isolating the matrix tendency increases.
The thomel length-to-diameter ratio too little with the bonding that too mostly is unfavorable for parallel wire.
Steel wire and thomel account for the increase of the volume percentage of material, are beneficial to the raising of toughness of material; But excessive, then reduce the hardness of material, so also reduced the wear resistance of material, like product 5, and zinc alloy water is difficult for surrounding steel wire and thomel; Otherwise steel wire and thomel account for the volume percent of material than too little, then are unfavorable for the performance of steel wire and carbon fibre acts.
The thickness of the chromium coating on the surface of steel wire increases, and is beneficial to the alloying of zinc alloy water; But excessive, chromium is difficult for fusing in the zinc alloy water in the short period of time, causes the waste of element, and the cost of thermal treatment simultaneously increases; Otherwise the chromium coating thickness of Steel Wire Surface is too little, and steel wire hardness reduces, and is unfavorable for forming the compound of disperse.
Each the product performance contrast of table 1 gained
Claims (1)
1. damping abrasion-proof zinc alloy preparation methods, it is characterized in that: it may further comprise the steps:
The preparation of chromium plating steel wire group and thomel: getting the cross section is that rectangle, specification are that 0.1～0.4mm * 0.5～1.5mm, composition are that C is 0.4%～0.75%; Si is 0.2%～0.3%; Mn is 0.5%～0.85%, and < 0.02%, S < 0.025% for P; All the other are the steel wire of Fe, and diameter is that 7 microns, length-to-diameter ratio are the T300 thomel of 100～500:1; The weight ratio of said steel wire and thomel is 25～30:1, and the volume percent that steel wire and thomel account for material altogether is 20～40%; Get the ordinary method preparation cleaning globular steel wire group that steel wire is produced by cleaning ball, the diameter of steel wire group is 10～15cm, and prepares chromium plating steel wire group by the conventional chemical heat-treating methods in its chrome-faced, and the thickness of chromium coating is 50-100 μ m;
Chromium plating steel wire group adheres to the preparation of thomel: water glass solution is immersed in group with the chromium plating steel wire, and the concentration of said water glass solution is 1.3～1.5 g/cm
3, modulus is 2.6～3.0; Steel wire group is taken out from water glass solution, and then thomel rubbed spread in the steel wire group that has water glass solution, make thomel evenly be bonded at the surface of steel wire; After treating that water glass solidifies, some steel wire groups that are stained with thomel are put into the casting mold die cavity; The tightness of steel wire group accounts for the volume percent decision of material altogether by steel wire and thomel, and guarantees that steel wire group just in time piles casting mold; Mo(u)ld top half with casting mold is placed on the mo(u)ld bottom half then, waits for the cast of zinc alloy water after mould assembling finishes;
The preparation of zinc alloy material matrix: percentage composition Al is 30%～40% by weight, and Sr is 0.02%～0.05%, and Si is 3%～6%; Pb is 2%～4%, and Fe is 0.2%～0.4%, and Y is 0.05%～0.1%; Mn is 1%～3%, and Ho is 0.01%～0.03%, and all the other are prepared burden for Zn; The zinc alloy matrix melted in induction furnace obtain zinc alloy water, temperature of fusion is 690-710 ℃;
Above-mentioned zinc alloy water is poured into the casting mold that the steel wire group that adheres to thomel is housed, and liquid Zn alloy water gets into steel wire group gap thomel and steel wire is surrounded, cooled and solidified then, form with the zinc alloy be matrix wherein be distributed with the material that thomel and steel wire are rolled into a ball.
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| TWI500776B (en) * | 2015-01-07 | 2015-09-21 | Truan Sheng Lui | Composition of uncoated aluminum based wire having abrasion resistance and high strength and method for manufacturing the same |
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| CN108342732B (en) * | 2018-04-02 | 2020-01-10 | 东莞理工学院 | Preparation method of FeMn alloy-ZnAl alloy double-layer damping composite coating |
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| CN101012540A (en) * | 2007-02-14 | 2007-08-08 | 西安建筑科技大学 | Preparing technique of gas carburizing carbonide silk net metal-based composite material |
| CN101024872A (en) * | 2007-02-14 | 2007-08-29 | 西安建筑科技大学 | Process for preparing active carbon carbonate wire-net metal base composite material |
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| CN101012540A (en) * | 2007-02-14 | 2007-08-08 | 西安建筑科技大学 | Preparing technique of gas carburizing carbonide silk net metal-based composite material |
| CN101024872A (en) * | 2007-02-14 | 2007-08-29 | 西安建筑科技大学 | Process for preparing active carbon carbonate wire-net metal base composite material |
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| TWI500776B (en) * | 2015-01-07 | 2015-09-21 | Truan Sheng Lui | Composition of uncoated aluminum based wire having abrasion resistance and high strength and method for manufacturing the same |
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