CN106216672A - A kind of Metal toughened ceramic matric composite part increases material preparation method - Google Patents
A kind of Metal toughened ceramic matric composite part increases material preparation method Download PDFInfo
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- CN106216672A CN106216672A CN201610533508.7A CN201610533508A CN106216672A CN 106216672 A CN106216672 A CN 106216672A CN 201610533508 A CN201610533508 A CN 201610533508A CN 106216672 A CN106216672 A CN 106216672A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/66—Treatment of workpieces or articles after build-up by mechanical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/41—Radiation means characterised by the type, e.g. laser or electron beam
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Powder Metallurgy (AREA)
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Abstract
The present invention relates to a kind of Metal toughened ceramic matric composite part and increase material preparation method.Its step includes: Bi Sn granule strengthens ceramic matric composite design, the determination of ceramic base material and the preparation of granule, the preparation of Bi Sn alloying pellet and preservation, drip molding digital-to-analogue slicing delamination processes, the laser gain material manufacture of drip molding, the Non-Destructive Testing of drip molding, and the post processing final drip molding of acquisition.It has, and formation of parts internal stress is minimum, combination property strong, and integrated cost is low, drip molding is lightweight, smooth surface, it is possible to meets use and requires, improves the advantages such as its service life.
Description
Technical field
The present invention relates to composite and increase material manufacture shaping technical field, particularly relate to a kind of Metal toughened ceramic base and be combined
Material parts increases material preparation method.
Background technology
Ceramic material the most all has the highest hardness, is very suitable for being manufactured into machine components.But, they have again
A great defect, i.e. they suffer from the highest fragility, and this makes them seldom be manufactured into machine components.If it is sharp
As the second phase, material is obtained with addition metal toughness reinforcing, then problem can achieve a solution.Coaxial powder-feeding laser melting coating
(LCD) it is a kind of increasing material manufacturing technology that can manufacture bigger machine components.When carrying out laser coaxial powder feeding cladding, laser beam,
Powder conveying, protective gas supply synchronization are carried out, and can be effectively improved quality and the powder using efficiency of cladding layer.But, for
Ceramic material, owing to its fragility is higher, and relevant research is still few, can overcome drawbacks described above it is therefore proposed that a kind of
Preparation method has important Research Significance.
Summary of the invention
The deficiency existed for the preparation method in prior art, metal combined with ceramic material, the purpose of the present invention
It is: providing a kind of Metal toughened ceramic matric composite part to increase material preparation method, the method has formation of parts internal stress
Minimum, combination property is strong, and integrated cost is low, drip molding is lightweight, smooth surface, it is possible to meets to use and requires, improves it and use
The advantages such as life-span.
In order to achieve the above object, the present invention adopts the following technical scheme that realization:
A kind of Metal toughened ceramic matric composite part increases material preparation method, it is characterised in that this preparation method includes
Following steps:
1) first carry out the design of material of Bi-Sn pacticle toughening ceramic base composite, determine ceramic main material, wherein pottery
Main material includes in SiO2, Al2O3, Si3N4, TiC, TiN, TiC+TiN, h-NB, WC, Anhydrite, quartz any one or a combination thereof；
2) determine the kind of ceramic base material and the preparation of granule, according to the performance requirement of drip molding, determine and which kind of uses
Ceramic material is as major ingredient, and wherein the particle diameter of ceramic particle is 30-300 μm, is positioned over by its granule and is arranged on increasing material manufacture machine
In the powder feeder of bed, and carrying out drying isothermal holding, temperature during insulation is 800-1000 DEG C, gives over to standby；
3) using granule prepared by atomization Bi-Sn alloy, the particle diameter of this alloying pellet is 30-300 μm, is heated molten
Changing to liquid, fusion temperature is 139-232 DEG C, is positioned over by the Bi-Sn alloying pellet of liquid and is arranged on what increasing material produced lathes
Being incubated in liquid alloy shower nozzle near laser instrument shower nozzle, give over to standby, temperature during insulation is 80-100 DEG C；
4) utilize CAD 3D graphics software that the STL threedimensional model of metalwork is carried out slicing delamination process on computers,
Increasing manufacture process parameter to input to computer, thickness is 0.3-3mm；Computer control system controls the shower nozzle of 3D printer
Moving on axle at X, Y, Z tri-, movement locus is consistent with each slicing delamination figure；
5) computer control system controls 3D printer powder feeder powder feeding, starts laser instrument and inert gas shielding gas supplies
Device of air, is layered the step section in this step and forms, it is thus achieved that drip molding, and material conveying includes that industrial computer controls pottery
The powder sending quantity of material powder and the liquor charging amount of liquid Bi-Sn alloy, both couplings, to reach the component requirements of design of material, open
Dynamic laser instrument carries out selective melting or the cladding of ceramic material, during use inert gas shielding, successively process, will
Liquid Bi-Sn alloy is ejected into the near focal point of laser instrument so that it is mix with melted ceramic material；Wherein, the tool of laser instrument
Body parameter is: power P=400-10000W, spot diameter D=2-8mm, scan velocity V=2-3m/min, and overlapping rate is 30-
40%, the pressurized jet speed of liquid alloy is 50-200m/s, and the liquid-drop diameter scope of injection is 10-30 μm, liquid alloy with
The mass percent of ceramic powders is 10-30%；
6) to above-mentioned steps 5) in drip molding carry out Non-Destructive Testing, wherein the method for this Non-Destructive Testing includes: scanning road
Under footpath, physical behavior when moulding material fusing and solidification is observed；Temperature field and the three dimensional analysis of residual stress field in scanning process
With display；Ceramic powders fusing and Simulation of Solidification Process, and the mechanical performance of prediction drip molding；Form part mechanical performance
Comprehensive detection, contrasts with simulation result simultaneously；
7) above-mentioned steps 6 is completed) after, stamped metal part is carried out post processing and obtains final stamped metal part, post processing bag
Include blasting treatment and/or polishing, make the precision of drip molding and surface roughness reach to design requirement.
As the further optimization of such scheme, above-mentioned steps 5) described in the automatic powder feeding system of ceramic powders use coaxial the most just
To automatic powder feeding system or use non-coaxial lateral automatic powder feeding system to carry out powder feeding.
As the further optimization of such scheme, above-mentioned steps 5) in laser instrument be carbon dioxide laser or optical fiber
Laser instrument；Noble gas uses nitrogen or argon.
As the further optimization of such scheme, above-mentioned steps 1) described in the toughness reinforcing metal material of employing also include Co,
Al, Mn, Zn or Cr.
Above-mentioned steps 1) in, the drip molding of simple ceramic material manufacture is difficult to the most greatly practicality because of fragility, proposes to use gold
Belong to material granule toughness reinforcing, its plasticity and tensile strength can also be increased simultaneously, toughness reinforcing for example with Bi-Sn alloying pellet, below
Narration is all as a example by it.Can serve as toughness reinforcing metal material and also include Co, Al, Mn, Zn, Cr or their alloy etc..Gold
Belong to (alloy) and the most on the one hand play the effect of binding agent, on the other hand can increase the toughness etc. that material is overall, thus obtain
Obtain excellent comprehensive mechanical performance.They ratios shared in the composite are that design of material needs to consider, usual quality
Percentage ratio is about 10-30%.It addition, use Bi-Sn alloy, (eutectic composition is Sn42Bi58, select the composition near eutectic point)
Another reason be that it has the cold characteristic risen of pyrocondensation, be combined with each other with the ceramic material expanded with heat and contract with cold, can significantly subtract
Internal stress in few composite；
Accompanying drawing explanation
Accompanying drawing 1 is the schematic flow sheet that a kind of Metal toughened ceramic matric composite part increases material preparation method.
Detailed description of the invention
1 pair of one Metal toughened ceramic matric composite part of the present invention increases material preparation method work specifically below in conjunction with the accompanying drawings
Explanation.
A kind of Metal toughened ceramic matric composite part increases material preparation method, it is characterised in that this preparation method includes
Following steps:
1) first carry out the design of material of Bi-Sn pacticle toughening ceramic base composite, determine ceramic main material, wherein pottery
Main material includes in SiO2, Al2O3, Si3N4, TiC, TiN, TiC+TiN, h-NB, WC, Anhydrite, quartz any one or a combination thereof；
2) determine the kind of ceramic base material and the preparation of granule, according to the performance requirement of drip molding, determine and which kind of uses
Ceramic material is as major ingredient, and wherein the particle diameter of ceramic particle is 30-300 μm, is positioned over by its granule and is arranged on increasing material manufacture machine
In the powder feeder of bed, and carrying out drying isothermal holding, temperature during insulation is 800-1000 DEG C, gives over to standby；
3) using granule prepared by atomization Bi-Sn alloy, the particle diameter of this alloying pellet is 30-300 μm, is heated molten
Changing to liquid, fusion temperature is 139-232 DEG C, is positioned over by the Bi-Sn alloying pellet of liquid and is arranged on what increasing material produced lathes
Being incubated in liquid alloy shower nozzle near laser instrument shower nozzle, give over to standby, temperature during insulation is 80-100 DEG C；
4) utilize CAD 3D graphics software that the STL threedimensional model of metalwork is carried out slicing delamination process on computers,
Increasing manufacture process parameter to input to computer, thickness is 0.3-3mm；Computer control system controls the shower nozzle of 3D printer
Moving on axle at X, Y, Z tri-, movement locus is consistent with each slicing delamination figure；
5) computer control system controls 3D printer powder feeder powder feeding, starts laser instrument and inert gas shielding gas supplies
Device of air, is layered the step section in this step and forms, it is thus achieved that drip molding, and material conveying includes that industrial computer controls pottery
The powder sending quantity of material powder and the liquor charging amount of liquid Bi-Sn alloy, both couplings, to reach the component requirements of design of material, open
Dynamic laser instrument carries out selective melting or the cladding of ceramic material, during use inert gas shielding, successively process, will
Liquid Bi-Sn alloy is ejected into the near focal point of laser instrument so that it is mix with melted ceramic material；Wherein, the tool of laser instrument
Body parameter is: power P=400-10000W, spot diameter D=2-8mm, scan velocity V=2-3m/min, and overlapping rate is 30-
40%, the pressurized jet speed of liquid alloy is 50-200m/s, and the liquid-drop diameter scope of injection is 10-30 μm, liquid alloy with
The mass percent of ceramic powders is 10-30%；
6) to above-mentioned steps 5) in drip molding carry out Non-Destructive Testing, wherein the method for this Non-Destructive Testing includes: scanning road
Under footpath, physical behavior when moulding material fusing and solidification is observed；Temperature field and the three dimensional analysis of residual stress field in scanning process
With display；Ceramic powders fusing and Simulation of Solidification Process, and the mechanical performance of prediction drip molding；Form part mechanical performance
Comprehensive detection, contrasts with simulation result simultaneously；
7) above-mentioned steps 6 is completed) after, stamped metal part is carried out post processing and obtains final stamped metal part, post processing bag
Include blasting treatment and/or polishing, make the precision of drip molding and surface roughness reach to design requirement.
Above-mentioned steps 5) described in the automatic powder feeding system of ceramic powders use coaxial forward automatic powder feeding system or use non-coaxial
Lateral automatic powder feeding system carries out powder feeding.Above-mentioned steps 5) in laser instrument be carbon dioxide laser or optical fiber laser；Inertia
Gas uses nitrogen or argon.Above-mentioned steps 1) described in the toughness reinforcing metal material of employing also include Co, Al, Mn, Zn or
Cr。
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and apply this
Bright.These embodiments obviously easily can be made various amendment by person skilled in the art, and described herein
General Principle is applied in other embodiments without through performing creative labour.Therefore, the invention is not restricted to enforcement here
Example, those skilled in the art are according to the announcement of the present invention, and the improvement made without departing from scope and amendment all should be
Within protection scope of the present invention.
Claims (4)
1. a Metal toughened ceramic matric composite part increases material preparation method, it is characterised in that this preparation method include as
Lower step:
1) first carry out the design of material of Bi-Sn pacticle toughening ceramic base composite, determine ceramic main material, the most ceramic main material
Including any one or a combination thereof in SiO2, Al2O3, Si3N4, TiC, TiN, TiC+TiN, h-NB, WC, Anhydrite, quartz；
2) determine the kind of ceramic base material and the preparation of granule, according to the performance requirement of drip molding, determine which kind of pottery of employing
Material is as major ingredient, and wherein the particle diameter of ceramic particle is 30-300 μm, is positioned over by its granule and is arranged on what increasing material produced lathes
In powder feeder, and carrying out drying isothermal holding, temperature during insulation is 800-1000 DEG C, gives over to standby；
3) using granule prepared by atomization Bi-Sn alloy, the particle diameter of this alloying pellet is 30-300 μm, is heated and is melted to
Liquid, fusion temperature is 139-232 DEG C, is positioned over by the Bi-Sn alloying pellet of liquid and is arranged on the laser that increasing material produces lathes
Being incubated in liquid alloy shower nozzle near device shower nozzle, give over to standby, temperature during insulation is 80-100 DEG C；
4) utilize CAD 3D graphics software that the STL threedimensional model of metalwork carries out slicing delamination process on computers, increase material
Fabrication process parameters inputs to computer, and thickness is 0.3-3mm；Computer control system control 3D printer shower nozzle X,
Y, Z tri-moves on axle, and movement locus is consistent with each slicing delamination figure；
5) computer control system controls 3D printer powder feeder powder feeding, starts laser instrument and inert gas shielding gas supply dress
Putting, be layered the step section in this step and form, it is thus achieved that drip molding, material conveying includes that industrial computer controls ceramic material
The powder sending quantity of powder and the liquor charging amount of liquid Bi-Sn alloy, both couplings, to reach the component requirements of design of material, start and swash
Light device carries out selective melting or the cladding of ceramic material, during use inert gas shielding, successively process, by liquid
Bi-Sn alloy is ejected into the near focal point of laser instrument so that it is mix with melted ceramic material；Wherein, the concrete ginseng of laser instrument
Number is: power P=400-10000W, spot diameter D=2-8mm, scan velocity V=2-3m/min, and overlapping rate is 30-40%,
The pressurized jet speed of liquid alloy is 50-200m/s, and the liquid-drop diameter scope of injection is 10-30 μm, liquid alloy and pottery
The mass percent of powder is 10-30%；
6) to above-mentioned steps 5) in drip molding carry out Non-Destructive Testing, wherein the method for this Non-Destructive Testing includes: under scanning pattern
Physical behavior when moulding material fusing and solidification is observed；In scanning process, the three dimensional analysis of temperature field and residual stress field is with aobvious
Show；Ceramic powders fusing and Simulation of Solidification Process, and the mechanical performance of prediction drip molding；Form part mechanical performance comprehensive
Detection, contrasts with simulation result simultaneously；
7) above-mentioned steps 6 is completed) after, stamped metal part being carried out post processing and obtains final stamped metal part, post processing includes spray
Sand processes and/or polishing, makes the precision of drip molding and surface roughness reach to design requirement.
A kind of Metal toughened ceramic matric composite part the most according to claim 1 increases material preparation method, and its feature exists
In above-mentioned steps 5) described in the automatic powder feeding system of ceramic powders use coaxial forward automatic powder feeding system or use non-coaxial laterally to give
Powder mode carries out powder feeding.
A kind of Metal toughened ceramic matric composite part the most according to claim 1 increases material preparation method, and its feature exists
In above-mentioned steps 5) in laser instrument be carbon dioxide laser or optical fiber laser；Noble gas uses nitrogen or argon
Gas.
A kind of Metal toughened ceramic matric composite part the most according to claim 1 increases material preparation method, and its feature exists
In above-mentioned steps 1) described in employing toughness reinforcing metal material also include Co, Al, Mn, Zn or Cr.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106777822A (en) * | 2017-01-22 | 2017-05-31 | 河海大学 | Two-dimentional high-content particle strengthens composite three-phase meso-mechanical model and method for building up |
| CN107689278A (en) * | 2017-08-25 | 2018-02-13 | 华南理工大学 | A kind of La Fe Si base magnetic refrigeration composite materials and preparation method thereof |
| CN108858660A (en) * | 2018-06-19 | 2018-11-23 | 南京理工大学 | Continuous fiber toughening ceramic based composites increasing material manufacturing device and its manufacturing method |
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| CN106777822A (en) * | 2017-01-22 | 2017-05-31 | 河海大学 | Two-dimentional high-content particle strengthens composite three-phase meso-mechanical model and method for building up |
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| CN108858660A (en) * | 2018-06-19 | 2018-11-23 | 南京理工大学 | Continuous fiber toughening ceramic based composites increasing material manufacturing device and its manufacturing method |
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| CN106216672B (en) | 2017-12-26 |
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