CN106801194A - One kind is with Ti3SiC2M50 based self lubricated composite materials for lubrication phase and preparation method thereof - Google Patents

One kind is with Ti3SiC2M50 based self lubricated composite materials for lubrication phase and preparation method thereof Download PDF

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CN106801194A
CN106801194A CN201710181890.4A CN201710181890A CN106801194A CN 106801194 A CN106801194 A CN 106801194A CN 201710181890 A CN201710181890 A CN 201710181890A CN 106801194 A CN106801194 A CN 106801194A
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composite materials
based self
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preparation
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CN106801194B (en
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史晓亮
邓骁斌
刘锡尧
黄玉春
杨慷
闫昭
薛冰
章桥新
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Wuhan University of Technology WUT
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    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
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Abstract

The present invention relates to one kind with Ti3SiC2Be lubrication phase new M50 based self lubricated composite materials, it with M50 steel as matrix material, with Ti3SiC2It is lubrication phase, the quality for lubricating phase is (8.0 12.0) wt.% of matrix material quality, is produced containing Ti by using water-gas combined atomization3SiC2M50 spherical powders, then M50 Ti are prepared using 3D printing3SiC2Self-lubricating composite.One kind prepared by the present invention is with Ti3SiC2For the new M50 based self lubricated composite materials for lubricating phase have excellent tribological property, preparation process cycle is short, technological parameter is easily controlled, it is adaptable to large-scale production.

Description

One kind is with Ti3SiC2To lubricate M50 based self lubricated composite materials and its preparation of phase Method
Technical field
The present invention relates to one kind with Ti3SiC2M50 based self lubricated composite materials for lubrication phase and preparation method thereof.
Background technology
M50 bearing steels due to dimensional stability high, hardness and contact fatigue property can be kept in hot environment, so It is frequently used to make aeroplane engine mainshaft bearing.With continuing to develop for modern Aviation cause, to aero-engine main shaft Bearing proposes requirement higher, while proposing challenge to the tribological property of M50 bearing steels.
At present, there is not been reported for the research on M50 based self lubricated composite materials, and at present for metal-based self-lubricating The preparation of composite is mainly or using discharge plasma sintering technique ([4] Shi Xiaoliang, Xu Zengshi, Wang Mang, Zhai Wenzheng, chapter Bridge is new, Yao Jie, Song Siyuan, Wang Yufu, Feng Siping, a Song .TiAl-C-Ag-Ti2AlC-TiC self-lubricating composites and its system Preparation Method [P] Hubei：CN102888549A,2013-1-23.).But discharge plasma sintering technique has its weak point, such as： Plasma discharging technology employs graphite jig so that sintered body will finally carry out the technique such as polish, and using electric discharge etc. from The obtained sintering shape of sub- technology is simpler.
The content of the invention
The technical problems to be solved by the invention be directed to the deficiency that above-mentioned prior art is present and provide it is a kind of with Ti3SiC2M50 based self lubricated composite materials for lubrication phase and preparation method thereof, with relatively low coefficient of friction and wear rate, have Improve to effect the tribological property of M50 bearing steels.
The present invention is to solve the problems, such as that used technical scheme set forth above is：
A kind of new M50 based self lubricated composite materials, mainly include matrix material and lubrication phase, and it is with M50 steel as matrix Material, with Ti3SiC2It is lubrication phase.
By such scheme, the quality of the lubrication phase is (8.0-12.0) wt.%. of matrix material quality
By such scheme, described matrix material M50 steel is mainly including Elements C, Mn, Si, Ni, Cr, Cu, Mo, V and Fe etc.. Preferably, each element is by mass percentage in heretofore described matrix material M50 steel：C 0.75-0.85%, Mn≤ 0.35%, Si≤0.35%, Ni≤0.20%, Cr3.75-4.25%, Cu≤0.20%, Mo 4.00-4.50%, V 0..90- 1.10%, and surplus Fe.Most preferably, Elements C in matrix material M50 steel of the present invention, Mn, Si, Ni, Cr, Cu, Mo, V and Fe mass are 0.80 than ratio：0.30：0.30：0.20：4.0：0.20：4.20：1.0：89.0.
It is above-mentioned with Ti3SiC2To lubricate the new M50 based self lubricated composite materials of phase, it is by containing Ti3SiC2M50 it is spherical Powder is prepared from using 3D printing (precinct laser melts (SLM) technology).This contains Ti3SiC2M50 spherical powders by Ti3SiC2With M50 steel composition, Ti3SiC2Quality is (8.0-12.0) wt.% of M50 steel qualities.
In such scheme, 3D printing technological parameter is：Laser power is 450-500W, and sweep speed is 1800-2000mm/ S, powdering thickness is 0.05-0.08mm, and overlapping rate is 40%, and spot diameter is 0.15mm, and sweep span is 0.09mm.
It is described containing Ti in such scheme3SiC2M50 spherical powders, particle diameter be 25 μm -60 μm.This contains Ti3SiC2M50 Spherical powder can be produced using water-gas combined atomization, and preparation method mainly comprises the following steps：
1) according to the component and its content of M50 steel, the elemental powders of its component are weighed, as matrix material Raw material；According to Ti3SiC2Quality weighs Ti for (8.0-12.0) wt.% of the raw material of matrix material3SiC2Powder, then with base The raw material of body material is well mixed, and obtains initial ingredients；
2) by step 1) gained initial ingredients melted under vacuo, obtain liquation；Liquation is atomized, institute is atomized Spherical powder is formed after obtaining molten drop cooled and solidified, as containing Ti3SiC2M50 spherical powders.
In such scheme, each component elemental powders particle diameter of required M50 is 20 μm -40 μm, required Ti3SiC2Powder Last particle diameter is 10-30 μm.
In such scheme, step 1) using vibration batch mixing, vibration frequency is 45-50Hz, and vibration force is 10000- for middle mixing 11000N, duration of oscillation is 30-40min.
By such scheme, step 2) in fusion process warming temperature scope be 1450-1550 DEG C.
By such scheme, step 2) in atomization when, the pressure of atomization gas is 0.5-2.1MPa, and the pressure of atomized water is 70-100MPa。
In such scheme, step 2) concrete technology be：By step 1) gained initial ingredients be added to melting kettle true Melted under sky, molten metal bath (i.e. liquation) stream enters nebulization region, and aerosolization nozzle sprays argon gas, in high velocity gas stream In the presence of, molten metal bath stream (i.e. liquation) is ground into drop, then by the atomization of High-Pressure Water, after drop water atomization Spray；Powder after atomization enters collecting tank, and after after powder cooling, dehydration is dried, and collects screening, is obtained containing Ti3SiC2M50 Spherical powder.Wherein, crucible warming temperature scope is 1450-1550 DEG C, and the pressure of atomization gas is 2MPa, the pressure of atomized water It is 85MPa.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the new M50 based self lubricated composite materials of the invention have relatively low coefficient of friction and wear rate, effectively carry The tribological property of M50 bearing steels high, for the industrial applications for realizing M50 based self-lubricating materials provide practical basis.
2nd, it is of the present invention with Ti3SiC2To lubricate the new M50 based self lubricated composite materials of phase, using precinct laser Melt (SLM) technology and material is prepared in successively laser sintered mode, the material density of preparation is high, improves the mechanics of materials Energy and friction and wear behavior；And preparation method is simple and convenient, cycle is short, technological parameter is easy to control, efficiency high, it is adaptable to scale Batch production, economizes on resources.
3rd, the present invention is with Ti3SiC2It is lubrication phase, with good greasy property, while containing Ti preparing3SiC2M50 During spherical powder (during crucible melting initial ingredients), there is TiC to produce, it is strong that TiC can mutually improve material as one kind enhancing Degree and toughness, reduce further the fretting wear of M50.
Brief description of the drawings
Fig. 1 is preparation technology flow chart of the invention.
Fig. 2 is the preparation of the embodiment of the present invention 1 containing Ti3SiC2M50 spherical powder field emission scanning electron microscope photos.
Fig. 3 is the preparation of the embodiment of the present invention 2 with Ti3SiC2To lubricate the mill of the new M50 based self lubricated composite materials of phase Trace electron probe photo, test condition is：25 DEG C of temperature, load 10N, sliding speed 0.5m/s, time 40min.
Fig. 4 is the preparation of the embodiment of the present invention 1,2,3 with Ti3SiC2To lubricate the new M50 based self lubricated composite materials of phase Coefficient of friction figure, friction testing condition is：25 DEG C of temperature, load 10N, sliding speed 0.5m/s, time 40min.
Fig. 5 is the preparation of the embodiment of the present invention 1,2,3 with Ti3SiC2To lubricate the new M50 based self lubricated composite materials of phase Wear rate figure, friction testing condition is：25 DEG C of temperature, load 10N, sliding speed 0.5m/s, time 40min.
Specific embodiment
Below in conjunction with drawings and Examples, further the present invention will be described, but present disclosure is not limited solely to The following examples.
In following embodiments, described one kind is with Ti3SiC2To lubricate the new M50 based self lubricated composite materials of phase by containing Ti3SiC2M50 spherical powders be prepared from.The present invention provides a kind of specific preparation method, but does not limit its preparation method, What other method was prepared meets of the present invention requirement containing Ti3SiC2M50 spherical powders, M50-Ti3SiC2Self-lubricating is answered Condensation material falls within protection scope of the present invention.
The present invention is provided with Ti3SiC2To lubricate the preparation method of the new M50 based self lubricated composite materials of phase, including such as Lower step：
1) according to the component and its content of M50 steel, the elemental powders of its component are weighed, as matrix material Raw material；And (8.0-12.0) wt.% of the material quality according to matrix material, weigh lubrication phase Ti3SiC2Powder；Wherein, Ti3SiC2Powder diameter is that each element simple substance powder diameter needed for 10-30 μm, the M50 is 20 μm -40 μm；
2) it is 45-50Hz, vibration the raw material of above-mentioned matrix material and lubrication to be mutually placed in into vibration frequency in vibration batch mixer Power is 10000-11000N, and duration of oscillation is 30-40min, obtains well mixed dispensing；
3) dispensing after will be well mixed is added to melting kettle and is melted, and crucible warming temperature scope is 1450- 1550 DEG C, molten metal bath stream enters nebulization region, and aerosolization nozzle sprays argon gas, in the presence of high velocity gas stream, melting Molten metal stream is ground into drop, then by the atomization of High-Pressure Water, will be sprayed after drop water atomization, and the pressure of atomization gas is 0.5-2.1MPa, the pressure of atomized water is 70-100MPa；Powder after atomization enters collecting tank, after after powder cooling, is dehydrated, Dry, collect screening, obtain containing Ti3SiC2M50 spherical powders, particle diameter be 25 μm -60 μm；
4) by above-mentioned containing Ti3SiC2M50 spherical powders printed using SLM150 metal 3D printers, through laser burn Knot obtains described with Ti3SiC2To lubricate the new M50 based self lubricated composite materials of phase；It is provided with 3D printing technological parameter For：Laser power is 450-500W, and sweep speed is 1800-2000mm/s, and powdering thickness is 0.05-0.08mm, and overlapping rate is 40%, spot diameter is 0.15mm, and sweep span is 0.09mm.
Embodiment 1
One kind is with Ti3SiC2To lubricate the new M50 based self lubricated composite materials of phase, by matrix material and lubrication phase composition, M50 steel is matrix material, with Ti3SiC2It is lubrication phase, is enhancing phase, lubrication phase Ti with TiC3SiC2Quality be matrix material The 8.0wt.% of M50 mass, matrix material M50 ladles include Elements C, Mn, Si, Ni, Cr, Cu, Mo, V and Fe, Elements C, Mn, Si, Ni, Cr, Cu, Mo, V and Fe mass values are 0.80：0.30：0.30：0.20：4.0：0.20：4.20：1.0：89.0.
As shown in figure 1, above-mentioned with Ti3SiC2To lubricate the preparation method of the new M50 based self lubricated composite materials of phase, bag Include following steps：
1) according to the component and its content of M50 steel, C powder, Mn powder, Si powder, Ni powder, Cr powder, Cu powder, Mo powder, V are weighed Powder and Fe powder are constituted, by certain mass score ratio claim their quality are respectively：1.84g, 0.69g, 0.69g, 0.46g, 9.2g, 0.46g, 9.66g, 2.3g, 204.7g, as the raw material of matrix material；And weigh lubrication phase Ti3SiC2The quality of powder is 18.4；Wherein, Ti3SiC2Powder diameter is that each element simple substance powder diameter needed for 10-30 μm, the M50 is 20 μm -40 μm；
2) it is 45Hz the raw material of above-mentioned matrix material and lubrication to be mutually placed in into vibration frequency in vibration batch mixer, and vibration force is 10000N, duration of oscillation is 35min, obtains well mixed dispensing；
3) dispensing after will be well mixed is added to melting kettle and is melted, and crucible warming temperature scope is 1500 DEG C, Molten metal bath stream enters nebulization region, and aerosolization nozzle sprays argon gas, in the presence of high velocity gas stream, molten metal bath stream Drop is ground into, then by the atomization of High-Pressure Water, will be sprayed after drop water atomization, the pressure of atomization gas is 2MPa, mist The pressure for changing water is 85MPa；Powder after atomization enters collecting tank, and after after powder cooling, dehydration is dried, and collects screening, is obtained Containing Ti3SiC2M50 spherical powders, particle diameter be 25 μm -60 μm；
4) Ti will be contained3SiC2M50 spherical powders printed using SLM150 metal 3D printers, 3D printing technique ginseng Number：Laser power is 450W, and sweep speed is 1800mm/s, and powdering thickness is 0.05mm, and overlapping rate is 40%, and spot diameter is 0.15mm, sweep span is 0.09mm；Finally give with Ti3SiC2To lubricate the new M50 based self lubricated composite materials of phase.
Tested by HVS-1000 type digital display microhardnesses instrument, prepared by embodiment 1 with Ti3SiC2To lubricate the new of phase The hardness of type M50 based self lubricated composite materials is 6.77GPa, and relative density is 95.1%.
As seen from Figure 2, containing Ti3SiC2M50 spherical powder apparent forms be mainly spherical and subsphaeroidal, have very small amount Irregular shape sprills, comply fully with requirement of the 3D printing to powder sphericity；Further, it can be seen that its size distribution has one Determine scope (about 25 μm -60 μm), but bulky grain is few, and particle mean size is smaller.
From Fig. 4 and Fig. 5：The average friction coefficient of self-lubricating composite prepared by embodiment 1 is small (about 0.40), and Wear rate is small by (about 1.27 × 10-6mm3N-1m-1), show excellent tribological property.
Embodiment 2
One kind is with Ti3SiC2To lubricate the new M50 based self lubricated composite materials of phase, by matrix material and lubrication phase composition, M50 steel is matrix material, with Ti3SiC2It is lubrication phase, is enhancing phase, lubrication phase Ti with TiC3SiC2Quality be matrix material The 10wt.% of M50 mass, matrix material M50 ladles include Elements C, Mn, Si, Ni, Cr, Cu, Mo, V and Fe, Elements C, Mn, Si, Ni, Cr, Cu, Mo, V and Fe mass values are 0.80：0.30：0.30：0.20：4.0：0.20：4.20：1.0：89.0.
As shown in figure 1, above-mentioned with Ti3SiC2To lubricate the preparation method of the new M50 based self lubricated composite materials of phase, bag Include following steps：
1) according to the component and its content of M50 steel, C powder, Mn powder, Si powder, Ni powder, Cr powder, Cu powder, Mo powder, V are weighed Powder and Fe powder are constituted, by certain mass score ratio claim their quality are respectively：1.8g, 0.675g, 0.675g, 0.45g, 9g, 0.45g, 9.45g, 2.25g, 200.25g, as the raw material of matrix material；And weigh lubrication phase Ti3SiC2The quality of powder is 22.5g；Wherein, Ti3SiC2Powder diameter is that each element simple substance powder diameter needed for 10-30 μm, the M50 is 20 μm of -40 μ m；
2) it is 45Hz the raw material of above-mentioned matrix material and lubrication to be mutually placed in into vibration frequency in vibration batch mixer, and vibration force is 11000N, duration of oscillation is 40min, obtains well mixed dispensing；
3) dispensing after will be well mixed is added to melting kettle and is melted, and crucible warming temperature scope is 1500 DEG C, Molten metal bath stream enters nebulization region, and aerosolization nozzle sprays argon gas, in the presence of high velocity gas stream, molten metal bath stream Drop is ground into, then by the atomization of High-Pressure Water, will be sprayed after drop water atomization, the pressure of atomization gas is 2MPa, mist The pressure for changing water is 85MPa；Powder after atomization enters collecting tank, and after after powder cooling, dehydration is dried, and collects screening, is obtained Containing Ti3SiC2M50 spherical powders, particle diameter be 25 μm -60 μm；
4) Ti will be contained3SiC2M50 spherical powders printed using SLM150 metal 3D printers, 3D printing technique ginseng Number：Laser power is 500W, and sweep speed is 1800mm/s, and powdering thickness is 0.05mm, and overlapping rate is 40%, and spot diameter is 0.15mm, sweep span is 0.09mm；Finally give with Ti3SiC2To lubricate the new M50 based self lubricated composite materials of phase.
Tested by HVS-1000 type digital display microhardnesses instrument, prepared by embodiment 2 with Ti3SiC2To lubricate the new of phase The hardness of type M50 based self lubricated composite materials is 7.13GPa, and relative density is 95.6%.
Embodiment 2 is obtained with Ti3SiC2To lubricate new M50 based self lubricated composite materials (the alternatively referred to as M50- of phase Ti3SiC2Self-lubricating composite) polishing scratch electron probe photo it is as shown in Figure 3, it can be seen that worn-out surface unusual light, this It is due to lubrication phase Ti3SiC2With low-shearing force so that M50-Ti3SiC2Self-lubricating composite has excellent antifriction special Property.Preparing containing Ti simultaneously3SiC2M50 spherical powders during, there is TiC to produce, TiC as one kind enhancing mutually can improve Material hardness so that M50-Ti3SiC2Self-lubricating composite has excellent antifriction characteristic.
From Fig. 4 and Fig. 5：Embodiment 2 prepare self-lubricating composite average friction coefficient small (about 0.28) and Wear rate is small by (about 0.84 × 10-6mm3N-1m-1), show excellent tribological property.
Embodiment 3
One kind is with Ti3SiC2To lubricate the new M50 based self lubricated composite materials of phase, by matrix material and lubrication phase composition, M50 steel is matrix material, with Ti3SiC2It is lubrication phase, is enhancing phase, lubrication phase Ti with TiC3SiC2Quality be matrix material The 12.0wt.% of M50 mass, matrix material M50 ladles include Elements C, Mn, Si, Ni, Cr, Cu, Mo, V and Fe, Elements C, Mn, Si, Ni, Cr, Cu, Mo, V and Fe mass values are 0.80：0.30：0.30：0.20：4.0：0.20：4.20：1.0：89.0.
As shown in figure 1, above-mentioned with Ti3SiC2To lubricate the preparation method of the new M50 based self lubricated composite materials of phase, bag Include following steps：
1) according to the component and its content of M50 steel, C powder, Mn powder, Si powder, Ni powder, Cr powder, Cu powder, Mo powder, V are weighed Powder and Fe powder are constituted, by certain mass score ratio claim their quality are respectively：1.76g, 0.66g, 0.66g, 0.44g, 8.8g, 0.44g, 9.24g, 2.2g, 195.8g, as the raw material of matrix material；And weigh lubrication phase Ti3SiC2The quality of powder is 26.4g；Wherein, Ti3SiC2Powder diameter is that each element simple substance powder diameter needed for 10-30 μm, the M50 is 20 μm of -40 μ m；
2) it is 50Hz the raw material of above-mentioned matrix material and lubrication to be mutually placed in into vibration frequency in vibration batch mixer, and vibration force is 10000N, duration of oscillation is 30min, obtains well mixed dispensing；
3) dispensing after will be well mixed is added to melting kettle and is melted, and crucible warming temperature scope is 1500 DEG C, Molten metal bath stream enters nebulization region, and aerosolization nozzle sprays argon gas, in the presence of high velocity gas stream, molten metal bath stream Drop is ground into, then by the atomization of High-Pressure Water, will be sprayed after drop water atomization, the pressure of atomization gas is 2MPa, mist The pressure for changing water is 85MPa；Powder after atomization enters collecting tank, and after after powder cooling, dehydration is dried, and collects screening, is obtained Containing Ti3SiC2M50 spherical powders, particle diameter be 25 μm -60 μm；
4) Ti will be contained3SiC2M50 spherical powders printed using SLM150 metal 3D printers, 3D printing technique ginseng Number：Laser power is 500W, and sweep speed is 2000mm/s, and powdering thickness is 0.05mm, and overlapping rate is 40%, and spot diameter is 0.15mm, sweep span is 0.09mm；Finally give with Ti3SiC2To lubricate the new M50 based self lubricated composite materials of phase.
Tested by HVS-1000 type digital display microhardnesses instrument, prepared by embodiment 3 with Ti3SiC2To lubricate the new of phase The hardness of type M50 based self lubricated composite materials is 6.89GPa, and relative density is 94.4%.
From Fig. 4 and Fig. 5：Embodiment 3 prepare self-lubricating composite average friction coefficient small (about 0.36) and Wear rate is small by (about 1.54 × 10-6mm3N-1m-1), show excellent tribological property.
By embodiment 1, embodiment 2 and embodiment 3 understand, the new M50 based self lubricated composite materials with excellent Tribological property, has reached expected purpose, for the industrial applications for realizing M50 based self-lubricating materials provide practical basis. Simultaneously from Fig. 4 and Fig. 5, the tribological property of self-lubricating composite prepared by embodiment 2 more preferably, compares its 3D printing ginseng (laser power of embodiment 1 is 450W to number, and sweep speed is 1800mm/s；The laser power of embodiment 2 is 500W, and sweep speed is 1800mm/s；The laser power of embodiment 3 is 500W, and sweep speed is 2000mm/s), it is known that, in rational scope, with sweeping Retouch the increase of power, and sweep speed reduction, the tribological property of material makes moderate progress, and this is probably because laser power Too low or sweep speed increase, the heat input of unit area is not enough to be completely melt powder, causes the internal flaw of material, So that its tribological property has somewhat been deteriorated.
Each raw material cited by the present invention can realize the present invention, and each raw material bound value, interval value can Realize the present invention, the bound value of technological parameter (such as laser power, sweep speed, powdering thickness) of the invention and area Between value can realize the present invention, embodiment numerous to list herein.
The above is only the preferred embodiment of the present invention, it is noted that come for one of ordinary skill in the art Say, without departing from the concept of the premise of the invention, can also make some modifications and variations, these belong to guarantor of the present invention Shield scope.

Claims (10)

1. a kind of M50 based self lubricated composite materials, it is characterised in that it mainly includes matrix material and lubrication phase, is with M50 steel Matrix material, with Ti3SiC2It is lubrication phase.
2. a kind of M50 based self lubricated composite materials according to claim 1, it is characterised in that the quality of the lubrication phase is (8.0-12.0) wt.% of matrix material quality.
3. a kind of M50 based self lubricated composite materials according to claim 1, it is characterised in that described matrix material M50 steel Middle each element is by mass percentage：C 0.75-0.85%, Mn≤0.35%, Si≤0.35%, Ni≤0.20%, Cr3.75-4.25%, Cu≤0.20%, Mo 4.00-4.50%, V 0..90-1.10%, and surplus Fe.
4. one kind is with Ti3SiC2To lubricate the preparation method of the new M50 based self lubricated composite materials of phase, it is characterised in that by containing Ti3SiC2M50 spherical powders use 3D printing to prepare with Ti3SiC2To lubricate the new M50 base self-lubricatings composite wood of phase Material.
5. one kind according to claim 4 is with Ti3SiC2To lubricate the preparation of the new M50 based self lubricated composite materials of phase Method, it is characterised in that described containing Ti3SiC2M50 spherical powders by Ti3SiC2With M50 steel composition, Ti3SiC2Quality is M50 (8.0-12.0) wt.% of steel quality.
6. one kind according to claim 4 is with Ti3SiC2To lubricate the preparation of the new M50 based self lubricated composite materials of phase Method, it is characterised in that the 3D printing technological parameter is：Laser power is 450-500W, and sweep speed is 1800-2000mm/ S, powdering thickness is 0.05-0.08mm, and overlapping rate is 40%, and spot diameter is 0.15mm, and sweep span is 0.09mm.
7. one kind according to claim 4 is with Ti3SiC2To lubricate the preparation of the new M50 based self lubricated composite materials of phase Method, it is characterised in that described containing Ti3SiC2M50 spherical powders, particle diameter be 25 μm -60 μm.
8. one kind according to claim 4 is with Ti3SiC2To lubricate the preparation of the new M50 based self lubricated composite materials of phase Method, it is characterised in that described containing Ti3SiC2The preparation method of M50 spherical powders mainly comprise the following steps：
1) according to the component and its content of M50 steel, the elemental powders of its component are weighed, as the original of matrix material Material；According to Ti3SiC2Quality weighs Ti for (8.0-12.0) wt.% of the raw material of matrix material3SiC2Powder, then with matrix The raw material of material is well mixed, and obtains initial ingredients；
2) by step 1) gained initial ingredients melted under vacuo, obtain liquation；Liquation is atomized, atomization gained is molten Spherical powder is formed after drop cooled and solidified, as containing Ti3SiC2M50 spherical powders.
9. one kind according to claim 8 is with Ti3SiC2To lubricate the preparation of the new M50 based self lubricated composite materials of phase Method, it is characterised in that step 1) needed for M50 each component elemental powders particle diameter be 20 μm -40 μm, required Ti3SiC2 Powder diameter be 10-30 μm.
10. one kind according to claim 8 is with Ti3SiC2To lubricate the preparation of the new M50 based self lubricated composite materials of phase Method, it is characterised in that step 2) in fusion process warming temperature scope be 1450-1550 DEG C.
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107520446A (en) * 2017-08-24 2017-12-29 武汉理工大学 High-temperature imitated is born from lubrication hot forming dies materials and preparation method thereof
CN107904515A (en) * 2017-11-14 2018-04-13 燕山大学 A kind of Fe based self lubricated composite materials
CN108330388A (en) * 2018-01-29 2018-07-27 武汉理工大学 A kind of 20CrMnTi bases are to lubricate the self-lubricating material and preparation method thereof of phase with tin silver copper
CN109207860A (en) * 2017-07-04 2019-01-15 武汉理工大学 A kind of M50-Sn-Ag-Cu micropore runner self-lubricating composite and preparation method thereof
CN109604620A (en) * 2018-12-11 2019-04-12 安阳工学院 A kind of NiTiCr-MgLiZn composite material and preparation method with self regulating and control function
WO2021180777A1 (en) * 2020-03-10 2021-09-16 Universität Paderborn Isotropic, crack-free steel design using an additive manufacturing method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001008795A1 (en) * 1999-08-02 2001-02-08 Choi Man Soo Fine particle manufacturing method using laser beam
CN102864395A (en) * 2012-09-24 2013-01-09 江苏利达不锈钢有限公司 High temperature wear-resisting self-lubricating composite material added with MoSe2 and preparation method of composite material
US20160199909A1 (en) * 2013-06-26 2016-07-14 Zhejiang Changsheng Sliding Bearings Co., Ltd. Metal matrix self-lubricating composite and manufacturing method therefor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001008795A1 (en) * 1999-08-02 2001-02-08 Choi Man Soo Fine particle manufacturing method using laser beam
CN102864395A (en) * 2012-09-24 2013-01-09 江苏利达不锈钢有限公司 High temperature wear-resisting self-lubricating composite material added with MoSe2 and preparation method of composite material
US20160199909A1 (en) * 2013-06-26 2016-07-14 Zhejiang Changsheng Sliding Bearings Co., Ltd. Metal matrix self-lubricating composite and manufacturing method therefor

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
史玉生: "《3D打印技术概论》", 29 February 2016 *
朱和国: "《内生型铝基合金复合材料反应机制与性能》", 30 November 2013, 国防工业出版社 *
朱达炎等: ""Ti3SiC2基复合材料的研究现状及发展趋势"", 《江苏陶瓷》 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109207860A (en) * 2017-07-04 2019-01-15 武汉理工大学 A kind of M50-Sn-Ag-Cu micropore runner self-lubricating composite and preparation method thereof
CN109207860B (en) * 2017-07-04 2020-10-16 武汉理工大学 M50-Sn-Ag-Cu microporous flow passage self-lubricating composite material and preparation method thereof
CN107520446A (en) * 2017-08-24 2017-12-29 武汉理工大学 High-temperature imitated is born from lubrication hot forming dies materials and preparation method thereof
CN107520446B (en) * 2017-08-24 2021-08-24 武汉理工大学 High-temperature bionic self-lubricating hot-working die material and preparation method thereof
CN107904515A (en) * 2017-11-14 2018-04-13 燕山大学 A kind of Fe based self lubricated composite materials
CN108330388A (en) * 2018-01-29 2018-07-27 武汉理工大学 A kind of 20CrMnTi bases are to lubricate the self-lubricating material and preparation method thereof of phase with tin silver copper
CN109604620A (en) * 2018-12-11 2019-04-12 安阳工学院 A kind of NiTiCr-MgLiZn composite material and preparation method with self regulating and control function
WO2021180777A1 (en) * 2020-03-10 2021-09-16 Universität Paderborn Isotropic, crack-free steel design using an additive manufacturing method

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