CN105478763A - Laser forming method of TiC-Al-Gr composite material component - Google Patents
Laser forming method of TiC-Al-Gr composite material component Download PDFInfo
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- CN105478763A CN105478763A CN201510895580.XA CN201510895580A CN105478763A CN 105478763 A CN105478763 A CN 105478763A CN 201510895580 A CN201510895580 A CN 201510895580A CN 105478763 A CN105478763 A CN 105478763A
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- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 84
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 7
- 239000010439 graphite Substances 0.000 claims abstract description 7
- 230000032798 delamination Effects 0.000 claims abstract description 6
- 230000035611 feeding Effects 0.000 claims description 32
- 239000000203 mixture Substances 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 10
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 10
- 150000002910 rare earth metals Chemical class 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 9
- 238000000498 ball milling Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 5
- 239000011229 interlayer Substances 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 5
- 239000011812 mixed powder Substances 0.000 claims description 5
- 239000013307 optical fiber Substances 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 abstract 1
- 229910001122 Mischmetal Inorganic materials 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000012300 argon atmosphere Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000003872 feeding technique Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004100 electronic packaging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
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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
- 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
-
- B22F1/0003—
-
- 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
- B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
-
- 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
-
- 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
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/52—Hoppers
-
- 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
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/53—Nozzles
-
- 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
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/55—Two or more means for feeding material
-
- 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
- B22F10/32—Process control of the atmosphere, e.g. composition or pressure in a building chamber
-
- 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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- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
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Abstract
The invention relates to a laser forming method of a TiC-Al-Gr composite material component. According to the formula, the raw material powder selected and used in the method comprises, by weight percentage, 5.67%-6.35% of graphite, 40.54%-44.43% of Ti, 0.47%-0.67% of mischmetal and the balance Al. The powder formed through lasers is quantitatively conveyed through a multi-hopper conveying system, a three-pipe coaxial laser head is adopted for laser forming, and an inside-outside gradient delamination structure of the TiC-Al-Gr component can be achieved by controlling the powder conveying system and the laser head, and the fracture toughness of the TiC-Al-Gr component can reach over 60% of the Al alloy.
Description
Technical field
The invention belongs to laser forming field, relate to a kind of laser forming method of TiC-Al-Gr composite element.
Background technology
TiC has high fusing point, outstanding elevated temperature strength, heat endurance, and density is low, elastic modelling quantity is higher, hardness is high and wearability is good, is widely used in the Hardmetal materials such as cutter, mould field.
TiC particle reinforce Al based composites has the excellent properties such as high specific strength, high ratio modulus, low-density, low thermal coefficient of expansion and good wearability, in Aero-Space, precision instrument, automobile engine, sports equipment, Electronic Packaging etc., have important application prospect.Graphite (Gr) can improve its wearability in Al based composites, improves the performances such as the antidetonation energy-absorbing of material further simultaneously.
The technology of preparing of MMC, according to the difference of the feed postition of enhancing particle, can be divided into in-situ authigenic and pressure to add two kinds.In-situ authigenic technology is by alloy designs, reaction in-situ nucleation in parent metal, generate one or more thermodynamically stable wild phases, The method avoids the decomposition of additional reinforcement, economize energy, resource can emissions reduction, the reinforcement surface no-pollution of material, product properties is excellent.But its technical process requires strictly, more difficult grasp and the composition of wild phase and volume fraction wayward.
The method of laser forming technology utilization small size accumulation forming, can being uniformly distributed at macro-control wild phase, for powder-feeding laser shaped in situ particle reinforce MMC provides possibility.Therefore the present invention adopts the method that on-line continuous powder-feeding laser In-situ reaction is shaped, preparation TiC-Al composite material component, and the wild phase distribution realizing molded component is controlled continuously.
Summary of the invention
Technical problem to be solved by this invention is to provide the laser forming method of the TiC-Al-Gr composite material component that a kind of wild phase distributes controlled.The present invention sets about from fabricated in situ route and laser forming technique, a kind of laser forming method of new TiC-Al-Gr composite material structural member is provided, wild phase can be made to be uniformly distributed in the composite, to realize the laser forming of the TiC-Al-Gr composite material component of function admirable.
The inventive method mainly comprises the following steps:
(1) composition of raw materials and pretreatment
Composition of raw materials is: graphite 5.67 ~ 6.35wt.%, Ti40.54 ~ 44.43wt.%, mishmetal 0.47 ~ 0.67wt.%, Al surplus, and raw material adopts powder, metal dust and graphite powder size 60 ~ 200 microns; By Metal Cr powder and rare earth powder ball milling 0.5 ~ 6 hour;
(2) powder feeding and batch mixing
Many hoppers spiral powder feeding hybrid system is adopted to carry out powder feeding and mixing in time, described many hoppers spiral powder feeding hybrid system is connected to form respectively by powder feeding pipe and a common laser head by three powder feeders, Ti and rare earth mixed-powder are put into the 1st hopper, graphite powder is placed in the 2nd hopper, and Al powder is placed in the 3rd hopper; 3 screw rod powder feeder powder feedings simultaneously, and the ratio of powder is controlled by adjustment screw speed;
(3) laser forming
The laser head of laser forming adopts the coaxial discontinuous nozzle of 3 pipe, realizes encircling powder jetting to laser molten pool, makes each uniform composition distribution of laser molten pool; Utilize delamination software to cut into slices the digital figure of design part, and set up laser beam scan path and interlayer connection cooperation thereof, arranging every layer thickness is 0.05 ~ 0.4mm, then carries out laser forming at four number of axle word machining tool higher slices; Control powder feeding composition and laser scanning route, make the wild phase TiC ratio distribution gradient that local generates, namely structural member skin is wear-resisting TiC-Al-Gr composite, and inside is metal matrix material, and the raw material of final utilization meets the proportion requirement of step (1).
Step (3) adopts optical fiber/CO
2laser instrument, power output 100 ~ 3000W, spot diameter 0.2 ~ 4mm, overlapping rate 10 ~ 80%, laser head Ar throughput 0.5 ~ 13L/min, powder feeder Ar throughput 0.5 ~ 12L/min, laser head sweep speed 3 ~ 125mm/s.The environment of Laser Processing is argon atmosphere, and pressure is 1 atmospheric pressure.
The present invention's many hoppers spiral powder feeding hybrid system used is connected to form respectively by powder feeding pipe and a common laser head by three powder feeders, as shown in Figure 1.Described powder feeder is made up of hopper, screw rod and Fluidizer, and screw rod is promoted by DC stepper motor.
The performance of TiC-Al-Gr composite depends on content, the size of TiC and is uniformly distributed.The present invention is with the instant powder feeding of three hopper spiral powder feeding mixing systems, and utilize coaxial discontinuous laser head to be shaped TiC-Al-Gr composite material component, achieve the distributed controll of wild phase, eliminate the situation of TiC uneven distribution in composite, realize the laser forming of the adjustable TiC-Al-Gr composite material structural member of TiC content.
Parts top layer and internal layer are formed separately by the inventive method simultaneously, control powder feeding composition and laser scanning route, realize the laser manufacture of the metal-base composites parts of inside and outside hierarchy, components interior is made to have the toughness of metal material, top layer has function that is wear-resisting, resistance to high temperature oxidation, and the overall fracture toughness of parts is more than 60% of similar metal parts.
Accompanying drawing explanation
Fig. 1 many hoppers spiral powder feeding hybrid system structural representation.
Detailed description of the invention
The present invention is described further in conjunction with the embodiments.
Embodiment one
A kind of TiC-Al-Gr all-composite engine cylinder sleeve laser forming method, comprises following flow process:
(1) composition of raw materials and pretreatment
Composition of raw materials is: graphite 5.67wt.%, Ti40.54wt.%, mishmetal 0.58wt.%, Al powder surplus.Raw material adopts powder, metal dust and graphite powder particle size 60 microns; By Metal Cr powder and rare earth powder ball milling 2 hours.
(2) powder feeding and batch mixing
Powder feeding technique adopts many hoppers spiral powder feeding hybrid system to complete, and Ti and rare earth mixed-powder is put into the 1st hopper, and graphite powder is placed in the 2nd hopper, and Al powder is placed in the 3rd hopper; 3 screw rod powder feeder powder feedings simultaneously, and by screw speed adjustment TiC at the content of local that is shaped.
(3) laser forming
Carried with 3 pipeline gas respectively by powder in many hoppers and be delivered to laser head and carry out laser forming, the laser head of laser forming adopts the coaxial discontinuous nozzle of 3 pipe, realizes encircling powder jetting to laser molten pool, makes each uniform composition distribution of laser molten pool.Utilize delamination software to cut into slices the digital graphic data of design part, and set up the best laser beam scan path of layering and interlayer connection cooperation thereof, arranging every layer thickness is 0.25mm, then carries out laser forming at four number of axle word machining tool higher slices; Control powder feeding composition and laser scanning route, carry out the laser forming of hierarchy inside and outside composite component, namely structural member skin is wear-resisting TiC-Al-Gr composite, and inside is metal matrix material.Laser Processing uses optical fiber laser, its power output 650W, spot diameter 0.4mm, overlapping rate 50%, laser head Ar throughput 6.8L/min, powder feeder Ar throughput 5.5L/min, laser head sweep speed 38mm/s.The environment of Laser Processing is argon atmosphere, and pressure is 1 atmospheric pressure.
Molded component inside has the toughness of metal material, and top layer has function that is wear-resisting, resistance to high temperature oxidation, and the overall fracture toughness of parts is more than 60% of similar metal parts.
Embodiment two
A kind of TiC-Al-Gr composite material brake disc laser forming method, comprises following flow process:
(1) composition of raw materials and pretreatment
Composition of raw materials is: graphite 6.35wt.%, Ti41.32wt.%, mishmetal 0.47wt.%, Al surplus.Raw material adopts powder, metal dust and graphite powder particle size 60 microns; By Metal Cr powder and rare earth powder ball milling 2.5 hours.
(2) powder feeding and batch mixing
Powder feeding technique adopts many hoppers spiral powder feeding hybrid system to complete, and Ti and rare earth mixed-powder is put into the 1st hopper, and graphite powder is placed in the 2nd hopper, and Al powder is placed in the 3rd hopper; 3 screw rod powder feeder powder feedings simultaneously, and by screw speed adjustment TiC at the content of local that is shaped.
(3) laser forming
Carried with 3 pipeline gas respectively by powder in many hoppers and be delivered to laser head and carry out laser forming, the laser head of laser forming adopts the coaxial discontinuous nozzle of 3 pipe, realizes encircling powder jetting to laser molten pool, makes each uniform composition distribution of laser molten pool.Utilize delamination software to cut into slices the digital graphic data of design part, and set up the best laser beam scan path of layering and interlayer connection cooperation thereof, arranging every layer thickness is 0.26mm, then carries out laser forming at four number of axle word machining tool higher slices; Control powder feeding composition and laser scanning route, carry out the laser forming of hierarchy inside and outside composite component, namely structural member skin is wear-resisting TiC-Al-Gr composite, and inside is metal matrix material.Laser Processing uses optical fiber laser, its power output 400W, spot diameter 0.35mm, overlapping rate 60%, laser head Ar throughput 4.2L/min, powder feeder Ar throughput 6.8L/min, laser head sweep speed 30mm/s.The environment of Laser Processing is argon atmosphere, and pressure is 1 atmospheric pressure.
Molded component inside has the toughness of metal material, and top layer has function that is wear-resisting, resistance to high temperature oxidation, and the overall fracture toughness of parts is more than 60% of similar metal parts.
Embodiment three
A kind of TiC-Al-Gr composite material shaft bushing laser forming method, comprises following flow process:
(1) composition of raw materials and pretreatment
Composition of raw materials is: graphite 6.13wt.%, Ti41.43wt.%, mishmetal 0.67wt.%, Al surplus.Raw material adopts powder, metal dust and graphite powder particle size 100 microns; By Metal Cr powder and rare earth powder ball milling 1.5 hours.
(2) powder feeding and batch mixing
Powder feeding technique adopts many hoppers spiral powder feeding hybrid system to complete, and Ti and rare earth mixed-powder is put into the 1st hopper, and graphite powder is placed in the 2nd hopper, and Al powder is placed in the 3rd hopper; 3 screw rod powder feeder powder feedings simultaneously, and by screw speed adjustment TiC at the content of local that is shaped.
(3) laser forming
Carried with 3 pipeline gas respectively by powder in many hoppers and be delivered to laser head and carry out laser forming, the laser head of laser forming adopts the coaxial discontinuous nozzle of 3 pipe, realizes encircling powder jetting to laser molten pool, makes each uniform composition distribution of laser molten pool.Utilize delamination software to cut into slices the digital graphic data of design part, and set up the best laser beam scan path of layering and interlayer connection cooperation thereof, arranging every layer thickness is 0.18mm, then carries out laser forming at four number of axle word machining tool higher slices; Control powder feeding composition and laser scanning route, carry out the laser forming of hierarchy inside and outside composite component, namely structural member skin is wear-resisting TiC-Al-Gr composite, and inside is metal matrix material.Laser Processing uses optical fiber laser, its power output 1000W, spot diameter 0.32mm, overlapping rate 70%, laser head Ar throughput 7.3L/min, powder feeder Ar throughput 8.8L/min, laser head sweep speed 10mm/s.The environment of Laser Processing is argon atmosphere, and pressure is 1 atmospheric pressure.
Claims (3)
1. a laser forming method for TiC-Al-Gr composite element, is characterized in that comprising the steps:
(1) composition of raw materials and pretreatment
Composition of raw materials is: graphite 5.67 ~ 6.35wt.%, Ti40.54 ~ 44.43wt.%, mishmetal 0.47 ~ 0.67wt.%, Al surplus, and raw material adopts powder, metal dust and graphite powder size 60 ~ 200 microns; By Metal Cr powder and rare earth powder ball milling 0.5 ~ 6 hour;
(2) powder feeding and batch mixing
Many hoppers spiral powder feeding hybrid system is adopted to carry out powder feeding and mixing in time, described many hoppers spiral powder feeding hybrid system is connected to form respectively by powder feeding pipe and a common laser head by three powder feeders, Ti and rare earth mixed-powder are put into the 1st hopper, graphite powder is placed in the 2nd hopper, and Al powder is placed in the 3rd hopper; 3 screw rod powder feeder powder feedings simultaneously, and the ratio of powder is controlled by adjustment screw speed;
(3) laser forming
The laser head of laser forming adopts the coaxial discontinuous nozzle of 3 pipe, realizes encircling powder jetting to laser molten pool, makes each uniform composition distribution of laser molten pool; Utilize delamination software to cut into slices the digital figure of design part, and set up laser beam scan path and interlayer connection cooperation thereof, arranging every layer thickness is 0.05 ~ 0.4mm, then carries out laser forming at four number of axle word machining tool higher slices; Control powder feeding composition and laser scanning route, make the wild phase TiC ratio distribution gradient that local generates, namely structural member skin is wear-resisting TiC-Al-Gr composite, and inside is metal matrix material, and the raw material of final utilization meets the proportion requirement of step (1).
2. laser forming method according to claim 1, is characterized in that, in step (3), adopts optical fiber/CO
2laser instrument, power output 100 ~ 3000W, spot diameter 0.2 ~ 4mm, overlapping rate 10 ~ 80%, laser head Ar throughput 0.2 ~ 12L/min, powder feeder Ar throughput 0.5 ~ 125L/min, laser head sweep speed 3 ~ 125mm/s.
3. laser forming method according to claim 1, is characterized in that, described powder feeder is made up of hopper, screw rod and Fluidizer, and screw rod is promoted by DC stepper motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510895580.XA CN105478763A (en) | 2015-12-08 | 2015-12-08 | Laser forming method of TiC-Al-Gr composite material component |
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| CN201510895580.XA CN105478763A (en) | 2015-12-08 | 2015-12-08 | Laser forming method of TiC-Al-Gr composite material component |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735218A (en) * | 2017-01-17 | 2017-05-31 | 华南理工大学 | A kind of many material laser selective melting shaped devices of rotary multi-cylinder and method |
| CN114606490A (en) * | 2022-03-18 | 2022-06-10 | 南京智能高端装备产业研究院有限公司 | Forming device and method for functionally graded material |
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| US20030010409A1 (en) * | 1999-11-16 | 2003-01-16 | Triton Systems, Inc. | Laser fabrication of discontinuously reinforced metal matrix composites |
| CN102943266A (en) * | 2012-12-12 | 2013-02-27 | 江苏新亚特钢锻造有限公司 | High abrasion-proof laser cladding cobalt-base alloy powder and preparation method thereof |
| CN103691949A (en) * | 2014-01-09 | 2014-04-02 | 湖北工业大学 | Laser forming method of WC (Wolfram Carbide)-metal composite material structural component |
| CN104260360A (en) * | 2014-07-28 | 2015-01-07 | 中国科学院重庆绿色智能技术研究院 | Multi-material laser direct writing conformal system and method |
-
2015
- 2015-12-08 CN CN201510895580.XA patent/CN105478763A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030010409A1 (en) * | 1999-11-16 | 2003-01-16 | Triton Systems, Inc. | Laser fabrication of discontinuously reinforced metal matrix composites |
| CN102943266A (en) * | 2012-12-12 | 2013-02-27 | 江苏新亚特钢锻造有限公司 | High abrasion-proof laser cladding cobalt-base alloy powder and preparation method thereof |
| CN103691949A (en) * | 2014-01-09 | 2014-04-02 | 湖北工业大学 | Laser forming method of WC (Wolfram Carbide)-metal composite material structural component |
| CN104260360A (en) * | 2014-07-28 | 2015-01-07 | 中国科学院重庆绿色智能技术研究院 | Multi-material laser direct writing conformal system and method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735218A (en) * | 2017-01-17 | 2017-05-31 | 华南理工大学 | A kind of many material laser selective melting shaped devices of rotary multi-cylinder and method |
| CN106735218B (en) * | 2017-01-17 | 2019-05-14 | 华南理工大学 | A kind of more material laser selective melting molding machines of rotary multi-cylinder and method |
| CN114606490A (en) * | 2022-03-18 | 2022-06-10 | 南京智能高端装备产业研究院有限公司 | Forming device and method for functionally graded material |
| CN114606490B (en) * | 2022-03-18 | 2023-06-30 | 南京智能高端装备产业研究院有限公司 | Forming device and method for functionally graded material |
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Application publication date: 20160413 |