CN102051558B - Wear resistant damping tinplate material and preparation method thereof - Google Patents
Wear resistant damping tinplate material and preparation method thereof Download PDFInfo
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- CN102051558B CN102051558B CN2011100070477A CN201110007047A CN102051558B CN 102051558 B CN102051558 B CN 102051558B CN 2011100070477 A CN2011100070477 A CN 2011100070477A CN 201110007047 A CN201110007047 A CN 201110007047A CN 102051558 B CN102051558 B CN 102051558B
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Abstract
The invention discloses a wear resistant damping tinplate material and a preparation method thereof. The material uses wear resistant damping tinplate as a base body in which steel wire cluster and carbon fiber are distributed, wherein the diameter of the steel wire cluster ranges from 10 to 15 cm, and the cross section of the steel wire adopts a rectangular shape and a specification of (0.1-0.4)*(0.5-1.5)mm; and the weight ratio of the steel wire to carbon fiber is (25-30):1, and the sum volume of the steel wire and carbon fiber is 20-40% (v/v) of the material. The inventive wear resistant damping tinplate material has high toughness, good wear resistance, simple process and low production cost.
Description
Technical field
The invention belongs to metal material field, relate to a kind of wear-resisting damping mottled iron material, be specially a kind of steel wire and the wear-resisting damping mottled iron of the compound enhanced of thomel material and preparation method thereof of containing.
Background technology
In metal material field, wear-resisting damping mottled iron receives generally as low-cost high-abrasive material always and paying attention to.
CN200810243269.7 number application discloses a kind of low-alloy chilled cast iron; Its chemical ingredients is: carbon 3.5～3.8%, and silicon 1.5～1.9%, manganese are greater than 0, smaller or equal to 1.0%; Phosphorus is less than 0.05%; Sulphur is less than 0.02%, and chromium is greater than 0, smaller or equal to 1.0%, and surplus is an iron and inevitable micro impurity element; Unit is a weight percentage.
CN201010158988.6 number application discloses a kind of high-tenacity wear-resistant white iron, and its chemical ingredients is (weight %): C:2.0～4.0%, Si:1.0～2.5%; Mn:0.2～0.8%, Cr:1.0～15.0%, Ni:2.0～8.0%; Mo:0.1～0.4%, Dy:0.1～0.2%, Y:0.1～0.2%; S and P≤0.06%, all the other are Fe.This application also discloses the preparation method of above-mentioned high-tenacity wear-resistant white iron.This invention is through adding Zr and Y element in white pig iron; The oxide particle disperse that makes Dy and Y element becomes the core of carbon cpd forming core in matrix, thereby reaches the purpose of refinement carbide; And the carbide network at crystal boundary place is eliminated; α k reaches about 10J/cm2, can also keep the hardness of common white pig iron, and HRC reaches more than 60.
But white pig iron mainly is made up of cementite, though cementite is hard crisp.Play the refinement carbide although take to add rare earth, yet also be limited the toughness that improves material.
CN93103016.1 discloses high-damping cast iron and has adopted common smelting process; Be cast into the strand of pipe, rod and different shape, in the cast iron of carbon equivalent ce=C%+1/3 (Si%)=4.5～5.2%, add 0.001～0.100% yttrium; Make it to have high damping; Cost is low, can be used as structural material applications on electronic product, reaches the vibration and noise reducing sound effective value.But the material wear ability that makes is not enough, can not possess higher wear-resisting and damping capacity simultaneously.
Summary of the invention
The object of the invention is exactly to above-mentioned technological deficiency, and a kind of steel wire and the wear-resisting damping mottled iron of the compound enhanced of thomel material of containing is provided.
Another object of the present invention provides a kind of steel wire and the wear-resisting damping mottled iron of the compound enhanced of thomel preparation methods of containing.
The objective of the invention is to realize through following technical scheme:
A kind of wear-resisting damping mottled iron material, this material is a matrix with wear-resisting damping mottled iron, 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 wear-resisting damping mottled iron matrix: C is 2.3%～2.5%, and Si is 2.0%～2.3%, and Mn is 0.1%～0.3%, and Dy is 0.5%～1%, and < 0.08%, < 0.25%, all the other are Fe to S to P;
The following chemical components in percentage by weight of steel wire is: C is 0.45%～0.65%, and Si is 0.2%～0.3%, and Mn is 1%～2%, 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 Fe in the above-mentioned matrix
4N, Si
3N
4, Mn
4B, Fe
3B and B
4The C particle.
A kind of wear-resisting damping mottled iron preparation methods, it may further comprise the steps:
The preparation of boron-nitriding steel wire group and thomel: getting the cross section is that rectangle and cross section specification are that 0.1～0.4mm * 0.5～1.5mm, composition are that C is 0.45%～0.65%; Si is 0.2%～0.3%; Mn is 1%～2%, 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 the volume of steel wire and thomel accounts for material is 20～40%; Steel wire is pressed the ordinary method preparation cleaning globular steel wire group that cleaning ball is produced; The diameter of steel wire group is 10-15cm; And by the conventional chemical heat-treating methods on its surface altogether boronising nitrogen prepare boron-nitriding steel wire group, the thickness of said boronising nitrogen layer is 50-100 μ m;
Boron-nitriding steel wire group adheres to the preparation of thomel: group immerses in the water glass solution with the boron-nitriding steel wire, and the concentration of water glass solution is 1.3～1.5g/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 guarantees that by the volume percent decision that steel wire and thomel account for material altogether 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 molten iron pouring after mould assembling finishes;
The preparation of wear-resisting damping mottled iron matrix: percentage composition C is 2.3%～2.5% by weight, and Si is 2.0%～2.3%, and Mn is 0.1%～0.3%, and Dy is 0.5%～1%, and < 0.08%, < 0.25%, all the other prepare burden for Fe S P; Wear-resisting damping mottled iron matrix melted in induction furnace obtain wear-resisting damping mottled iron water, temperature of fusion is 1420-1450 ℃;
Above-mentioned molten iron is poured in the casting mold that the steel wire group that adheres to thomel is housed, and liquid molten iron gets into steel wire group gap thomel and steel wire is surrounded, cooled and solidified then, form with wear-resisting damping mottled iron 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 in the material of the present invention and thomel self have suitable intensity and high toughness, and the matrix of steel wire and mottled iron all is an iron, so steel wire and mottled iron matrix be easy to combine, and form good metallurgical binding.Like this, steel wire is distributed in the mottled iron, and material is had good enhancing toughening effect.
(2) be distributed with thomel in the alloy material, 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 the moulding process of material, when getting into the casting mold die cavity, molten iron contacts with steel wire, and the N and the B of Steel Wire Surface are fused to molten iron, and the N of the Mn in the molten iron, C, Si, Fe and Steel Wire Surface, B reaction form Fe
4N, Si
3N
4, Mn
4B, Fe
3B, B
4C, hardness is high, thereby improves the wear resisting property of material.
(4) the wear-resisting damping mottled iron in the material contains the steel wire of hard, contain the boron nitride of disperse simultaneously in the alloy, so hardness is high, has the good wear resistance ability.
(5) section of steel wire of material selection 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.
(6) material of the present invention is without noble element, and main alloy element is brought into by steel wire, and the wire material cost is low, and the cost of thomel is also low, and preparation technology is easy, and the alloy material performance of production is good, and is convenient to very much suitability for industrialized production.The material that makes is mainly used in the wear-resisting consumable accessory that industrial circles such as mine, coal, building materials are used, like shell liner, aside-liner etc.
(7) P, S are impurity in the material of the present invention, are controlled at the scope of permission.
Material property of the present invention is seen table 1.
Description of drawings
The metallographic structure that contains steel wire and the wear-resisting damping mottled iron of the compound enhanced of thomel material that Fig. 1 makes for the embodiment of the invention one.
Fig. 1 can see at wear-resisting damping mottled iron 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 self-control of boron nitrogen layer.
Embodiment one
The following chemical components in percentage by weight of wear-resisting damping mottled iron matrix: C is 2.3%, and Si is 2.0%, and Mn is 0.1%, and Dy is 0.5%, and < 0.08%, < 0.25%, all the other are Fe to S to P.
The following chemical components in percentage by weight of steel wire is: C is 0.45%, and Si is 0.2%, and Mn is 1%, 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 the volume percent that control steel wire and thomel account for material altogether is 20%.
Steel wire is pressed the ordinary method preparation cleaning globular steel wire group of cleaning ball or steel wire lump production; The diameter of steel wire group is 10cm; And by the conventional chemical heat-treating methods on its surface altogether boronising nitrogen prepare boron-nitriding steel wire group, the thickness of said boronising nitrogen layer is 50 μ m.
The preparation method is following: group immerses in the water glass solution with the boron-nitriding steel wire, and the concentration of 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 molten iron pouring after mould assembling finishes;
Wear-resisting damping mottled iron matrix melted in induction furnace obtain wear-resisting damping mottled iron water, temperature of fusion is 1425-1435 ℃;
Above-mentioned molten iron is poured in the casting mold that the steel wire group that adheres to thomel is housed, and liquid molten iron gets into steel wire group gap thomel and steel wire is surrounded, cooled and solidified then, form with wear-resisting damping mottled iron 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 wear-resisting damping mottled iron matrix: C is 2.5%, and Si is 2.3%, and Mn is 0.3%, and Dy is 1%, and < 0.08%, < 0.25%, all the other are Fe to S to P.
The following chemical components in percentage by weight of steel wire is: C is 0.65%, and Si is 0.3%, and Mn is 2%, 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 0.4mm * 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%.
Steel wire is pressed the ordinary method preparation cleaning globular steel wire group of cleaning ball or steel wire lump production; The diameter of steel wire group is 15cm; And by the conventional chemical heat-treating methods on its surface altogether boronising nitrogen prepare boron-nitriding steel wire group, the thickness of said boronising nitrogen layer is 100 μ m.
The preparation method 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 wear-resisting damping mottled iron matrix: C is 2.4%, and Si is 2.1%, and Mn is 0.2%, and Dy is 0.8%, and < 0.08%, < 0.25%, all the other are Fe to S to P.
The following chemical components in percentage by weight of steel wire is: C is 0.55%, and Si is 0.25%, and Mn is 1.5%, 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 0.3mm * 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 the volume percent that control steel wire and thomel account for material altogether is 35%.
Steel wire is pressed the ordinary method preparation cleaning globular steel wire group of cleaning ball or steel wire lump production; The diameter of steel wire group is 12cm; And by the conventional chemical heat-treating methods on its surface altogether boronising nitrogen prepare boron-nitriding steel wire group, the thickness of said boronising nitrogen layer is 70 μ m.
The preparation method 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 wear-resisting damping mottled iron matrix: C is 2.1%, and Si is 1%, and Mn is 0.02%, and Dy is 0.3%, and < 0.08%, < 0.25%, all the other are Fe to S to P.
The following chemical components in percentage by weight of steel wire is: C is 0.3%, and Si is 0.1%, 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 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 the volume percent that control steel wire and thomel account for material altogether is 10%.
Steel wire is pressed the ordinary method preparation of cleaning ball or steel wire lump production and cleaned globular steel wire group, the diameter of steel wire group is 10cm, and not boronising of Steel Wire Surface nitrogen.
The preparation method is with embodiment one.
The comparative example five
The following chemical components in percentage by weight of wear-resisting damping mottled iron matrix: C is 2.7%, and Si is 2.5%, and Mn is 0.4%, and Dy is 1.2%, and < 0.08%, < 0.25%, all the other are Fe to S to P.
The following chemical components in percentage by weight of steel wire is: C is 0.7%, and Si is 0.4%, and Mn is 3%, 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 0.5mm * 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 the volume percent that control steel wire and thomel account for material altogether is 60%.
Steel wire is pressed the ordinary method preparation cleaning globular steel wire group of cleaning ball or steel wire lump production; The diameter of steel wire group is 10cm; And by the conventional chemical heat-treating methods on its surface altogether boronising nitrogen prepare boron-nitriding steel wire group, the thickness of said boronising nitrogen layer is 200 μ m.
The preparation method is with embodiment one.
Product performance are analyzed:
Visible by following table, C, Si, Mn increase in the chemical ingredients of iron-based body of the present invention and steel wire, are beneficial to the raising of material hardness.But too much, can reduce the toughness of body material.P and S increase, and also can reduce the toughness of body material.
Section of steel wire is that rectangle is convenient to the bonded carbon fiber.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 percent of material, are beneficial to the raising of toughness of material.But excessive, reduce the hardness of material, so also reduced the wear resistance of material, like product 5, and molten iron is difficult for surrounding steel wire and thomel; Otherwise the volume percent that steel wire and thomel account for material is too little, then is unfavorable for the performance of steel wire and carbon fibre acts.
The thickness of the boronising nitrogen layer of Steel Wire Surface increases, and be beneficial to the alloying of molten iron, but thickness is excessive, and nitrogen and boron are difficult for fusing into molten iron at short notice, cause the waste of element, and the cost of thermal treatment simultaneously increases; Otherwise the thickness of the boronising nitrogen layer 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. wear-resisting damping mottled iron preparation methods, it is characterized in that: it may further comprise the steps:
The preparation of boron-nitriding steel wire group and thomel: getting the cross section is that rectangle and cross section specification are that 0.1～0.4mm * 0.5～1.5mm, composition are that C is 0.45%～0.65%; Si is 0.2%～0.3%; Mn is 1%～2%, 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 the volume of steel wire and thomel accounts for material is 20～40%; Steel wire is pressed the ordinary method preparation cleaning globular steel wire group that cleaning ball is produced; The diameter of steel wire group is 10-15cm; And by the conventional chemical heat-treating methods on its surface altogether boronising nitrogen prepare boron-nitriding steel wire group, the thickness of said boronising nitrogen layer is 50-100 μ m;
Boron-nitriding steel wire group adheres to the preparation of thomel: group immerses in the water glass solution with the boron-nitriding steel wire, and the concentration of water glass solution is 1.3～1.5g/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 molten iron pouring after mould assembling finishes;
The preparation of wear-resisting damping mottled iron matrix: percentage composition C is 2.3%～2.5% by weight, and Si is 2.0%～2.3%, and Mn is 0.1%～0.3%, and Dy is 0.5%～1%, and < 0.08%, < 0.25%, all the other prepare burden for Fe S P; Wear-resisting damping mottled iron matrix melted in induction furnace obtain wear-resisting damping mottled iron water, temperature of fusion is 1420-1450 ℃;
Above-mentioned molten iron is poured in the casting mold that the steel wire group that adheres to thomel is housed, and liquid molten iron gets into steel wire group gap thomel and steel wire is surrounded, cooled and solidified then, form with wear-resisting damping mottled iron be matrix wherein be distributed with the material that thomel and steel wire are rolled into a ball.
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| CN107022724B (en) * | 2017-05-05 | 2018-09-14 | 至玥腾风科技投资集团有限公司 | A kind of base steel carbon fibre composite and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103426A (en) * | 1987-04-05 | 1988-10-26 | 机械制造工艺科学生产联合公司 | Antifriction cast iron |
| EP1543901A1 (en) * | 2003-12-19 | 2005-06-22 | DaimlerChrysler AG | Vehicle body or vehicle body part |
| CN1798856A (en) * | 2003-05-22 | 2006-07-05 | 韦尔沃曼有限公司 | Wear resistant cast iron |
| CN101386029A (en) * | 2008-11-03 | 2009-03-18 | 西安建筑科技大学 | Composite roll mixed with reinforcement cast iron base and manufacture method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6187837A (en) * | 1984-10-08 | 1986-05-06 | Toyota Motor Corp | Production of fiber reinforced composite metallic material |
| JPS61166935A (en) * | 1985-01-18 | 1986-07-28 | Mazda Motor Corp | Composite member superior in wear resistance and its manufacture |
| GB8717067D0 (en) * | 1987-07-20 | 1987-08-26 | Cray Advanced Materials Ltd | Fibre reinforced metal sections |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103426A (en) * | 1987-04-05 | 1988-10-26 | 机械制造工艺科学生产联合公司 | Antifriction cast iron |
| CN1798856A (en) * | 2003-05-22 | 2006-07-05 | 韦尔沃曼有限公司 | Wear resistant cast iron |
| EP1543901A1 (en) * | 2003-12-19 | 2005-06-22 | DaimlerChrysler AG | Vehicle body or vehicle body part |
| CN101386029A (en) * | 2008-11-03 | 2009-03-18 | 西安建筑科技大学 | Composite roll mixed with reinforcement cast iron base and manufacture method thereof |
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