CN101406944A - Method for preparing high-manganese steel compound material - Google Patents
Method for preparing high-manganese steel compound material Download PDFInfo
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- CN101406944A CN101406944A CNA2008102323134A CN200810232313A CN101406944A CN 101406944 A CN101406944 A CN 101406944A CN A2008102323134 A CNA2008102323134 A CN A2008102323134A CN 200810232313 A CN200810232313 A CN 200810232313A CN 101406944 A CN101406944 A CN 101406944A
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Abstract
The invention discloses a method for preparing a high manganese steel composite material, which comprises the following steps: weaving high carbon steel wires into a high carbon steel wire net with certain specification, and cutting, coiling or overlapping the high carbon steel wire net to form a fixed structure which is preset in a die cavity of a casting mould; and pouring smelted molten high manganese steel into a casting mould, and cooling and cleaning up the casting mould to obtain the high manganese steel composite material reinforced by the high carbon steel wire net through high temperature heat treatment. The high manganese steel composite material prepared by the method improves the overall intensity and hardness, reduces the deformation of parts in use, and improves the wear resistance. The method has convenient and reliable process and high yield, and can be widely used in the wear resisting fields such as mine, electric power, metallurgy, coal, building materials and the like.
Description
Technical field
The invention belongs to the metal-base composites technical field, particularly a kind of preparation method of high-manganese steel compound material.
Background technology
Potassium steel is the raw material that are applied to the wearing piece such as liner plate, Hubei Province plate on the industrial trade size reduction machineries such as coal, metallurgy, mine, electric power, building materials, refractory material, the energy.Potassium steel generally uses under the austenite structure state, no hard phase in the tissue, thereby hardness is low, has only about HB220.Only under high-stress state, produce a large amount of positions or the martensite phase transformation takes place because austenite crystal is inner, could produce work hardening and improve wearability, but part very easily is out of shape, and in ball mill, abrading-ball is by abrasive material accumulation horizon indirect stroke high manganese steel lining plate, and impact strength is less, drawing hardening effect is not remarkable, so wearability does not reach ideal value.Usually add yield strength and the hardness that units such as vanadium, titanium, molybdenum, chromium usually promote potassium steel, with distortion during minimizing is used on certain program and raising wearability, but DeGrain, and waste a large amount of precious metal elements, influenced the application of potassium steel.
Summary of the invention
The preparation method who the purpose of this invention is to provide a kind of high-manganese steel compound material, the high-manganese steel compound material of this method preparation is to form netted quenching attitude high-carbon steel hard phase in the potassium steel matrix, and effectively be combined as a whole with potassium steel, the high strength and the high rigidity of quenching attitude high-carbon steel have been given full play to, also keep the excellent toughness of potassium steel, thereby reached best Performance Match.
In order to realize above-mentioned task, the present invention takes following technical solution:
A kind of preparation method of high-manganese steel compound material is characterized in that, comprises the following steps:
Step 1 is at first with high-carbon steel wire braiding high-carbon steel silk screen;
Step 2 with the high-carbon steel silk screen cutting of braiding, roll or superpose, is prefabricated into a fixed structure;
Step 3 is preset at prefabricated high-carbon steel silk screen in the die cavity of casting mold;
Step 4, the liquid potassium steel that method is routinely smelted pours into liquid potassium steel in the casting mold by casting method, makes liquid potassium steel bury the high-carbon steel silk screen fully;
Step 5, casting mold is heated to 950 ℃～1150 ℃ with potassium steel after cooling, off-type cleaning, put into the quenching-in water cooling, can obtain high-manganese steel compound material.
Adopt the high-manganese steel compound material of method preparation of the present invention, improved bulk strength and hardness, make part in use reduce distortion, improve wearability.Technology is convenient and reliable, and the yield rate height can be produced the wear part of different shape, any size specification, can be widely used in wear-resisting fields such as mine, electric power, metallurgy, coal, building materials.
Description of drawings
Fig. 1 is a process chart of the present invention;
The present invention is described in further detail below in conjunction with drawings and Examples.
The specific embodiment
Referring to Fig. 1, the preparation method according to high-manganese steel compound material of the present invention specifically may further comprise the steps:
Step 1 is at first with high-carbon steel wire braiding high-carbon steel silk screen;
Step 2 with the high-carbon steel silk screen cutting of braiding, roll or superpose, is prefabricated into a fixed structure;
Step 3 is preset at prefabricated high-carbon steel silk screen in the die cavity of casting mold;
Step 4, the liquid potassium steel that method is routinely smelted pours into liquid potassium steel in the casting mold by casting method, makes liquid potassium steel bury the high-carbon steel silk screen fully;
Step 5, casting mold is heat-treated after cooling, off-type cleaning.
Said heat treatment is that potassium steel is heated to 950 ℃～1150 ℃, puts into the quenching-in water cooling then, can obtain high-manganese steel compound material.
Below be the embodiment that the inventor provides, in the scope that the present invention provides, all can produce qualified high-manganese steel compound material.
Embodiment 1:
Cut-off directly is the T70 high-carbon steel wire of the phosphorus content 0.7% of 0.8mm, is woven into the single or multiple lift high-carbon steel silk screen of two dimension, and the high-carbon steel wire spacing in the silk screen is 5mm, is cut into sheet after the braiding, is superimposed then, is preset in the die cavity of casting mold.
Then method is routinely smelted Mn13 potassium steel, liquid potassium steel is poured in the casting mold, make liquid potassium steel bury the high-carbon steel silk screen fully by gravity casting method.
Casting mold is heated to 950 ℃～1150 ℃ with potassium steel after cooling, off-type cleaning, insulation 10min puts into the quenching-in water cooling then, can obtain high-manganese steel compound material.
The high-manganese steel compound material of present embodiment preparation had both had the toughness of potassium steel, high strength and high rigidity that T70 high-carbon steel silk screen has been arranged again, solved single high manganese steel material and under low stress, worn no resistance, the serious difficult problem of heavily stressed distortion down, wearability reaches more than 3 times of Mn13 potassium steel.
Embodiment 2:
Different is for present embodiment and embodiment 1, it is the T85 high-carbon steel wire of the phosphorus content 0.85% of 1.8mm that high-carbon steel wire is selected diameter for use, high-carbon steel wire spacing in the high-carbon steel silk screen is 0.5mm, be cut into sheet after the braiding, twist in then together, the liquid Mn13Cr2 potassium steel of smelting is poured in the casting mold by centre spinning method, make liquid Mn13Cr2 potassium steel bury T8 high-carbon steel silk screen fully.All the other are all with embodiment 1, and the high-manganese steel compound material hardness of preparation reaches more than the HRC50, and wearability is more than 3 times of Mn13Cr2 potassium steel.
Adopt the mechanism of the high-manganese steel compound material of method preparation of the present invention to be, the high-carbon steel silk screen is when heat treatment, also realized quenching, its hardness is reached more than the HRC55, become netted hard phase, and be combined into one with the potassium steel matrix, the composite that obtains had both kept the excellent toughness of potassium steel, high strength and high rigidity that the high-carbon steel silk screen has been arranged have again solved single high manganese steel material and have worn no resistance under low stress, the serious difficult problem of heavily stressed distortion down.
Preparation method of the present invention can both be positioned over the high-carbon steel silk screen part of casting mold according to the needs of part, obtained local wear-resisting part behind the cast potassium steel water, and composite bed thickness can be adjusted arbitrarily according to working condition requirement; Also can be positioned over the high-carbon steel silk screen in the whole casting mold die cavity, obtain whole wear-resisting part behind the cast potassium steel, its method controllability is strong, simple to operation, the yield rate height.
Claims (5)
1, a kind of preparation method of high-manganese steel compound material is characterized in that: specifically may further comprise the steps:
Step 1 is at first with high-carbon steel wire braiding high-carbon steel silk screen;
Step 2 with the high-carbon steel silk screen cutting of braiding, roll or superpose, is prefabricated into a fixed structure;
Step 3 is preset at prefabricated high-carbon steel silk screen in the die cavity of casting mold;
Step 4, the liquid potassium steel that method is routinely smelted pours into liquid potassium steel in the casting mold by casting method, makes liquid potassium steel bury the high-carbon steel silk screen fully;
Step 5, casting mold is heated to 950 ℃～1150 ℃ with potassium steel after cooling, off-type cleaning, put into the quenching-in water cooling, can obtain high-manganese steel compound material.
2, the method for claim 1 is characterized in that, described high-carbon steel wire is made by the high-carbon steel of phosphorus content 0.6%～0.85%, and diameter is 0.1mm～2.5mm.
3, the method for claim 1 is characterized in that, described high-carbon steel silk screen is woven into single or multiple lift, and the high-carbon steel wire spacing is 0.2～10mm, perhaps according to the operating mode needs high-carbon steel wire spacing is adjusted.
4, the method for claim 1 is characterized in that, the routine casting method described in the step 5 is gravitational casting, centrifugal casting.
5, the method for claim 1 is characterized in that, described potassium steel is Mn13 or Mn13Cr2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102323134A CN101406944A (en) | 2008-11-18 | 2008-11-18 | Method for preparing high-manganese steel compound material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102323134A CN101406944A (en) | 2008-11-18 | 2008-11-18 | Method for preparing high-manganese steel compound material |
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| CN101406944A true CN101406944A (en) | 2009-04-15 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489687A (en) * | 2011-12-21 | 2012-06-13 | 昆明理工大学 | Preparation method of gradient composite wear resistant material |
| CN104100044A (en) * | 2014-07-21 | 2014-10-15 | 成都庶民科技有限公司 | Manufacturing method of high-strength prestress casting steel wire mesh |
| CN106006289A (en) * | 2016-06-26 | 2016-10-12 | 苏州中远电梯有限公司 | Perpendicular elevator with toughening type braking device |
| CN106081784A (en) * | 2016-06-26 | 2016-11-09 | 苏州中远电梯有限公司 | A kind of vertical lift of band composite lock shotpin |
| CN108500233A (en) * | 2018-04-16 | 2018-09-07 | 河南旭锐合金新材料制造有限公司 | A kind of method that casting locally improves hardness |
| CN108842374A (en) * | 2018-09-06 | 2018-11-20 | 安徽微威胶件集团有限公司 | A kind of use in washing machine cushion blocking |
| CN109130379A (en) * | 2018-09-06 | 2019-01-04 | 安徽微威胶件集团有限公司 | A kind of vibration-damping composite metal plate and preparation method thereof |
-
2008
- 2008-11-18 CN CNA2008102323134A patent/CN101406944A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489687A (en) * | 2011-12-21 | 2012-06-13 | 昆明理工大学 | Preparation method of gradient composite wear resistant material |
| CN104100044A (en) * | 2014-07-21 | 2014-10-15 | 成都庶民科技有限公司 | Manufacturing method of high-strength prestress casting steel wire mesh |
| CN104100044B (en) * | 2014-07-21 | 2016-05-11 | 成都庶民科技有限公司 | A kind of high-strength prestress casting steel fabric sheet preparation method |
| CN106006289A (en) * | 2016-06-26 | 2016-10-12 | 苏州中远电梯有限公司 | Perpendicular elevator with toughening type braking device |
| CN106081784A (en) * | 2016-06-26 | 2016-11-09 | 苏州中远电梯有限公司 | A kind of vertical lift of band composite lock shotpin |
| CN108500233A (en) * | 2018-04-16 | 2018-09-07 | 河南旭锐合金新材料制造有限公司 | A kind of method that casting locally improves hardness |
| CN108842374A (en) * | 2018-09-06 | 2018-11-20 | 安徽微威胶件集团有限公司 | A kind of use in washing machine cushion blocking |
| CN109130379A (en) * | 2018-09-06 | 2019-01-04 | 安徽微威胶件集团有限公司 | A kind of vibration-damping composite metal plate and preparation method thereof |
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Open date: 20090415 |