CN108330486A - A kind of pressure setting and method of the nanometer powder heating auxiliary of laser melting coating - Google Patents
A kind of pressure setting and method of the nanometer powder heating auxiliary of laser melting coating Download PDFInfo
- Publication number
- CN108330486A CN108330486A CN201810442593.5A CN201810442593A CN108330486A CN 108330486 A CN108330486 A CN 108330486A CN 201810442593 A CN201810442593 A CN 201810442593A CN 108330486 A CN108330486 A CN 108330486A
- Authority
- CN
- China
- Prior art keywords
- nanometer powder
- workpiece
- counterdie
- sliding rail
- laser melting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention provides a kind of pressure setting and method of the nanometer powder heating auxiliary of laser melting coating, including using suppressor, sliding rail, counterdie and load coil, the counterdie is fixed on the sliding rail and is moved back and forth on the track of the sliding rail, the counterdie is equipped with pressing trough, workpiece is placed in the pressing trough, the induction coil suppresses nanometer powder around the nanometer powder setting being placed on workpiece, the suppressor；Include the following steps：Step 10 is fixed at the counterdie on the sliding rail；Step 20 is placed on workpiece in the pressing trough of counterdie, and the nanometer powder stirred evenly is poured on the upper surface of workpiece；Step 30 opens the drying that load coil keeps nanometer powder；Step 40 adjusts the suppressor, suppresses nanometer powder；Step 50 closes load coil；The counterdie of placement nanometer powder and workpiece is moved to laser melting coating point by sliding rail and is ready for laser melting coating by step 60.
Description
Technical field
The present invention relates to field of surface engineering technique, refer in particular to a kind of compacting of the nanometer powder heating auxiliary of laser melting coating
Device and method.
Background technology
Powder compaction technique is widely used in preset method laser melting coating, the fields such as sample detection and analysis.By drying or grind
The powder of mill and appropriate additive are put into compacting tool set, and after applying pressure to it, required print is made.
Nano structural material refers to that geometric dimension reaches nanometer scale, and it is completely different in ordinary construction to show some
The material of the mechanics of materials and physical and chemical performance.It is at material surface using the superiority of nano structural material come prepares coating
Reason technology provides new research direction.Currently, pure nano ceramic powder and metal and nano ceramics mixed-powder or its
His cladded type powder.Common metal powder is mainly Ni bases, Co bases and Fe bases etc.；Nano ceramic powder be mainly nanometer WC,
Nano SiC, nanometer Al2O3, nanometer ZrO2And nano-TiO2Deng.The current main preparation methods of Nanostructured Ceramic Coatings have molten
Glue-gel, physical vapour deposition (PVD), chemical vapor deposition, plating, laser melting coating, thermal spraying etc..Wherein, laser melting coating uses fast
Rapid hardening solid method is entirely or partly being received using nano material come Nanostructure fabrication or nano modification surface composite coating
Prepared by rice ceramic coating have huge development prospect.Nanometer powder, powder size are reduced to nanoscale, have common
Therefore the special nature that dusty material does not have has attracted researchers' note that using nano-ceramic powder as main body material
Material, using laser melting coating in metal alloy surface prepare nano ceramic composite coating show " nano effect " of nano material with
The advantage that laser technology is combined, but there is also a series of problems.
The utilization disadvantage of existing nanometer powder is as follows：Since nanometer powder is tiny, synchronized as selected in laser cladding process
Powder feeding technology then is easy to unite to block nozzle；And nanometer powder easily gasifies, splashes, coating be also easy to produce cavity, crackle and
The problems such as peeling.The comprehensive function of these factors makes the nano-structured coating prepared by the pure nanometer powder of laser melting coating also reach not
To expected effect.
Therefore, the present invention improves nanometer powder applied to the system in laser melting coating by preparing nanometer powder press body
Row problem, and then the performance of prepared nano-structured coating can be improved.
Invention content
The technical problem to be solved in the present invention is to provide a kind of compacting dress of the nanometer powder heating auxiliary of laser melting coating
It sets and method.
The invention is realized in this way：
A kind of pressure setting of the nanometer powder heating auxiliary of laser melting coating, including suppressor, sliding rail, counterdie and induction
Heating coil, the counterdie are fixed on the sliding rail and are moved back and forth on the track of the sliding rail, and the counterdie is equipped with
Pressing trough, workpiece are placed in the pressing trough, and the induction coil is described around the nanometer powder setting being placed on workpiece
Suppressor suppresses nanometer powder.
Preferably, the compacting of the workpiece, pressing trough and suppressor is equal in magnitude.
Preferably, the inner wall of the pressing trough is equipped with scale, and scale is used to calculate the thickness and close of nanometer powder compacting
Degree.
Preferably, the depth of the pressing trough is more than the height that workpiece is added with nanometer powder.
Preferably, further include non-slip mat, the non-slip mat keeps the sliding rail to stablize.
The present invention specifically comprises the following steps：
A kind of drawing method of the nanometer powder heating auxiliary of laser melting coating, including use suppressor, sliding rail, counterdie and
Load coil, the counterdie is fixed on the sliding rail and is moved back and forth on the track of the sliding rail, on the counterdie
Equipped with pressing trough, workpiece is placed in the pressing trough, and the induction coil is arranged around the nanometer powder being placed on workpiece,
The suppressor suppresses nanometer powder；
Include the following steps：
Nanometer powder needed for step 10, configuration, hand lapping simultaneously stir evenly；The counterdie is fixed at described
On sliding rail；
Step 20 is placed on workpiece in the pressing trough of counterdie, and the nanometer powder stirred evenly is poured on the upper of workpiece
Surface；Counterdie is moved to the pressing position of the suppressor by sliding rail；
Step 30 opens the drying that load coil keeps nanometer powder；
Step 40 adjusts the suppressor, suppresses the nanometer powder being placed on workpiece in the pressing trough；
Step 50 closes load coil；
The counterdie of placement nanometer powder and workpiece is moved to laser melting coating point by sliding rail and is ready for laser by step 60
Cladding.
Preferably, the compacting of the workpiece, pressing trough and suppressor is equal in magnitude.
Preferably, the inner wall of the pressing trough is equipped with scale, and scale is used to calculate the thickness and close of nanometer powder compacting
Degree.
Preferably, the depth of the pressing trough is more than the height that workpiece is added with nanometer powder.
Preferably, nanometer powder is cladding nanometer powder, including：Pure nano ceramic powder and metal powder with receive
The mixed-powder of rice ceramics.
The invention has the advantages that：
1, the present invention forms initialization layer again to work after first being suppressed on workpiece by the nanometer powder that laser melting coating is needed
Part carries out laser melting coating, suppresses the nanometer powder initialization layer finished and solves the problems, such as nanometer powder easily gasification and splash.
2, by increase load coil, nanometer powder is dried, solves the problems, such as nanometer powder unity, to
Improve the compacting uniformity and molding effect of compacting nanometer powder.
3, the nanometer powder that the present invention directly needs laser melting coating is suppressed, and without adding adhesion agent, is reduced preset
Layer impurity keeps the cladding layer that laser melting coating is completed more smooth and is not likely to produce cavity and crackle, and cladding layer is not easy to peel off and use
It is more permanent.
4, by the way that scale is arranged on press mold, the thickness of nanometer powder compacting can be adjusted according to actual conditions, further
Calculate the density of adjustment nanometer powder compacting.
5, by sliding rail transmitting workpiece and nanometer powder, reducing excessive vibration causes powder compact cracked, from
And influence the effect of laser melting coating.
6, the present invention is with the scope of application is wide, powder using efficiency is high, of low cost, simple for process, control is easy, is formed
Pressed powder it is uniform, the advantages that thickness density is controllable.
Description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the implementing procedure figure of the present invention.
Symbol description is as follows：
Sliding rail 1；Counterdie 2；Pressing trough 3；Nanometer powder 4；Workpiece 5.
Specific implementation mode
A kind of pressure setting of the nanometer powder heating auxiliary of laser melting coating, including it is suppressor, sliding rail 1, counterdie 2, anti-skidding
Pad and load coil, the counterdie 2 are fixed on the sliding rail 1 and are moved back and forth on the track of the sliding rail 1, institute
It states counterdie 2 and is equipped with pressing trough 3, workpiece 5 is placed in the pressing trough 3, and the induction coil surround and is placed on workpiece 5
Nanometer powder 4 is arranged, and the suppressor suppresses nanometer powder 4, the compacting of the workpiece 5, pressing trough 3 and suppressor
Equal in magnitude, the compacting head of the workpiece 5, pressing trough 3 and suppressor matches；It is set on the inner wall of the pressing trough 3
There are scale, scale to be used to calculate the thickness and density of the compacting of nanometer powder 4；The depth of the pressing trough 3 is more than workpiece 5 and nanometer
The height that powder 4 is added；The non-slip mat keeps the sliding rail 1 to stablize.
Suppressor：For suppressing nanometer powder 4；
Sliding rail 1：It fixes counterdie 2 and counterdie 2 is allowed steadily to be moved back and forth on sliding rail 1, when carrying out the compacting of nanometer powder 4
Sliding rail 1 will keep stable；
Counterdie 2：The different workpiece 5 of height equal in magnitude is placed equipped with pressing trough 3, in pressing trough 3；
Non-slip mat：Steady slide rail 1；
Load coil：The drying of nanometer powder 4 is kept by heating.
A kind of drawing method of the nanometer powder heating auxiliary of laser melting coating, including use suppressor, sliding rail 1, counterdie 2 with
And load coil, the counterdie 2 are fixed on the sliding rail 1 and are moved back and forth on the track of the sliding rail 1, the bottom
Film 2 is equipped with pressing trough 3, and workpiece 5 is placed in the pressing trough 3, and the induction coil is around the nanometer being placed on workpiece 5
Powder 4 is arranged, and the suppressor suppresses nanometer powder 4；
Include the following steps：
Nanometer powder 4 needed for step 10, configuration, hand lapping simultaneously stir evenly, and ensure that cladding layer is received when laser melting coating
Rice flour end 4 is uniformly distributed；The counterdie 2 is fixed on the sliding rail 1；
Step 20 is placed on workpiece 5 in the pressing trough 3 of counterdie 2, and the nanometer powder 4 stirred evenly is poured on workpiece 5
Upper surface；Counterdie 2 is moved to the pressing position of the suppressor by sliding rail 1；
Step 30 opens the drying that load coil keeps nanometer powder 4；
Step 40 adjusts the suppressor, presses the nanometer powder 4 being placed on workpiece 5 in the pressing trough 3
System；
Step 50 closes load coil；
The counterdie 2 of placement nanometer powder 4 and workpiece 5 is moved to laser melting coating point by sliding rail 1 and is ready for by step 60
Laser melting coating.
A kind of drawing method of the nanometer powder heating auxiliary of laser melting coating, the workpiece 5, pressing trough 3 and suppressor
Compacting it is equal in magnitude, the compacting head of the workpiece 5, pressing trough 3 and suppressor matches best results；The compacting
The inner wall of slot 3 is equipped with scale, and scale is used to calculate the thickness and density of the compacting of nanometer powder 4；The depth of the pressing trough 3 is big
In the height that workpiece 5 is added with nanometer powder 4, ensure that nanometer powder 4 fully suppress not exposed；Above-mentioned nanometer powder 4
For cladding nanometer powder 4, including：The mixed-powder of pure nano ceramic powder and metal powder and nano ceramics.
Load coil arrange parameter：Input voltage range：340-420V, rated output power：100Kw, induction frequency
Rate：30-50kHz.
Laser arrange parameter in laser cladding process：Power (W) 800-3500, argon flow amount (ml/min) 1200-
2400, sweep speed (mm/s) 2-8, defocusing amount (mm) 10-30.
Although specific embodiments of the present invention have been described above, those familiar with the art should manage
Solution, we are merely exemplary described specific embodiment, rather than for the restriction to the scope of the present invention, it is familiar with this
The technical staff in field modification and variation equivalent made by the spirit according to the present invention, should all cover the present invention's
In scope of the claimed protection.
Claims (10)
1. a kind of pressure setting of the nanometer powder heating auxiliary of laser melting coating, including suppressor, it is characterised in that：Further include sliding
Rail, counterdie and load coil, the counterdie are fixed on the sliding rail and are moved back and forth on the track of the sliding rail,
The counterdie is equipped with pressing trough, and workpiece is placed in the pressing trough, and the induction coil surround and is placed on receiving on workpiece
Rice flour end is arranged, and the suppressor suppresses nanometer powder.
2. a kind of pressure setting of the nanometer powder heating auxiliary of laser melting coating according to claim 1, it is characterised in that：
The compacting of the workpiece, pressing trough and suppressor is equal in magnitude.
3. a kind of pressure setting of the nanometer powder heating auxiliary of laser melting coating according to claim 1, it is characterised in that：
The inner wall of the pressing trough is equipped with scale, and scale is used to calculate the thickness and density of nanometer powder compacting.
4. a kind of pressure setting of the nanometer powder heating auxiliary of laser melting coating according to claim 1, it is characterised in that：
The depth of the pressing trough is more than the height that workpiece is added with nanometer powder.
5. a kind of pressure setting of the nanometer powder heating auxiliary of laser melting coating according to claim 1, it is characterised in that：
Further include non-slip mat, the non-slip mat keeps the sliding rail to stablize.
6. a kind of drawing method of the nanometer powder heating auxiliary of laser melting coating, including use suppressor, it is characterised in that：Also wrap
It includes and sliding rail, counterdie and load coil, the counterdie is used to be fixed on the sliding rail and on the track of the sliding rail
It moves back and forth, the counterdie is equipped with pressing trough, and workpiece is placed in the pressing trough, and the induction coil surround and is placed on work
Nanometer powder setting on part, the suppressor suppress nanometer powder；
Include the following steps：
Nanometer powder needed for step 10, configuration, hand lapping simultaneously stir evenly；The counterdie is fixed at the sliding rail
On；
Step 20 is placed on workpiece in the pressing trough of counterdie, and the nanometer powder stirred evenly is poured on the upper surface of workpiece；
Counterdie is moved to the pressing position of the suppressor by sliding rail；
Step 30 opens the drying that load coil keeps nanometer powder；
Step 40 adjusts the suppressor, suppresses the nanometer powder being placed on workpiece in the pressing trough；
Step 50 closes load coil；
The counterdie of placement nanometer powder and workpiece is moved to laser melting coating point by sliding rail and is ready for laser and melted by step 60
It covers.
7. a kind of drawing method of the nanometer powder heating auxiliary of laser melting coating according to claim 6, it is characterised in that：
The compacting of the workpiece, pressing trough and suppressor is equal in magnitude.
8. a kind of drawing method of the nanometer powder heating auxiliary of laser melting coating according to claim 6, it is characterised in that：
The inner wall of the pressing trough is equipped with scale, and scale is used to calculate the thickness and density of nanometer powder compacting.
9. a kind of drawing method of the nanometer powder heating auxiliary of laser melting coating according to claim 6, it is characterised in that：
The depth of the pressing trough is more than the height that workpiece is added with nanometer powder.
10. a kind of drawing method of the nanometer powder heating auxiliary of laser melting coating according to claim 6, feature exist
In：Nanometer powder is cladding nanometer powder, including：The mixing of pure nano ceramic powder and metal powder and nano ceramics
Powder.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442593.5A CN108330486B (en) | 2018-05-10 | 2018-05-10 | Laser cladding nano powder heating-assisted pressing method |
| PCT/CN2019/083832 WO2019214429A1 (en) | 2018-05-10 | 2019-04-23 | Laser cladding nanopowder heating assisted pressing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442593.5A CN108330486B (en) | 2018-05-10 | 2018-05-10 | Laser cladding nano powder heating-assisted pressing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108330486A true CN108330486A (en) | 2018-07-27 |
| CN108330486B CN108330486B (en) | 2020-04-03 |
Family
ID=62934784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810442593.5A Expired - Fee Related CN108330486B (en) | 2018-05-10 | 2018-05-10 | Laser cladding nano powder heating-assisted pressing method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108330486B (en) |
| WO (1) | WO2019214429A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019214429A1 (en) * | 2018-05-10 | 2019-11-14 | 福建工程学院 | Laser cladding nanopowder heating assisted pressing device and method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86107123A (en) * | 1985-11-08 | 1987-06-03 | 吉乌利尼化学股份有限公司 | The preparation method of the three-dimensional girth member of forming by fusible molding powder |
| JPS62188706A (en) * | 1986-02-14 | 1987-08-18 | Yoshinobu Kobayashi | Production of pipe-shaped product consisting of sintered hard material |
| CN204825051U (en) * | 2015-08-10 | 2015-12-02 | 黄山学院 | Improve magnesium alloy surfaces corrosion resisting property's device |
| CN105382251A (en) * | 2015-11-07 | 2016-03-09 | 大连理工大学 | Method for preparing laser cladding coating by consolidating and pre-arranging blended carbon nano-tubes and metal nano-powder |
| CN106381489A (en) * | 2016-11-29 | 2017-02-08 | 中国矿业大学 | Device and method for preparing laser cladding and extrusion coating |
| CN106493358A (en) * | 2016-11-07 | 2017-03-15 | 南昌专腾科技有限公司 | A kind of magnesium base composite material, preparation system and method |
| CN206127389U (en) * | 2016-11-07 | 2017-04-26 | 南昌专腾科技有限公司 | Carbon fiber reinforcement magnesium base combined material's preparation system |
| CN106929846A (en) * | 2017-04-22 | 2017-07-07 | 南京工程学院 | Laser cladding new A lFeCrCoNiTi alloy coats and preparation method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2621860Y (en) * | 2003-06-20 | 2004-06-30 | 中国科学院沈阳自动化研究所 | powder spreading device |
| CN102839371B (en) * | 2012-09-21 | 2014-05-21 | 上海工程技术大学 | Device for accurately controlling thickness of laser fused preset powder layer |
| CN104550953B (en) * | 2014-12-17 | 2016-10-05 | 华南理工大学 | A kind of two-cylinder type desktop type selective laser melt-forming Apparatus and method for |
| CN105386039B (en) * | 2015-11-13 | 2017-12-01 | 上海工程技术大学 | A kind of pressuring flat device for being used to adjust the preset powder layer thickness of laser melting coating |
| CN206692732U (en) * | 2017-03-28 | 2017-12-01 | 昆明理工大学 | A kind of compacting tool set for preparing laser melting coating preset coating |
| CN106989978B (en) * | 2017-04-10 | 2019-10-08 | 沈阳精新再制造有限公司 | A kind of combination die of laser melting coating part polishing |
| CN108330486B (en) * | 2018-05-10 | 2020-04-03 | 福建工程学院 | Laser cladding nano powder heating-assisted pressing method |
-
2018
- 2018-05-10 CN CN201810442593.5A patent/CN108330486B/en not_active Expired - Fee Related
-
2019
- 2019-04-23 WO PCT/CN2019/083832 patent/WO2019214429A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86107123A (en) * | 1985-11-08 | 1987-06-03 | 吉乌利尼化学股份有限公司 | The preparation method of the three-dimensional girth member of forming by fusible molding powder |
| JPS62188706A (en) * | 1986-02-14 | 1987-08-18 | Yoshinobu Kobayashi | Production of pipe-shaped product consisting of sintered hard material |
| CN204825051U (en) * | 2015-08-10 | 2015-12-02 | 黄山学院 | Improve magnesium alloy surfaces corrosion resisting property's device |
| CN105382251A (en) * | 2015-11-07 | 2016-03-09 | 大连理工大学 | Method for preparing laser cladding coating by consolidating and pre-arranging blended carbon nano-tubes and metal nano-powder |
| CN106493358A (en) * | 2016-11-07 | 2017-03-15 | 南昌专腾科技有限公司 | A kind of magnesium base composite material, preparation system and method |
| CN206127389U (en) * | 2016-11-07 | 2017-04-26 | 南昌专腾科技有限公司 | Carbon fiber reinforcement magnesium base combined material's preparation system |
| CN106381489A (en) * | 2016-11-29 | 2017-02-08 | 中国矿业大学 | Device and method for preparing laser cladding and extrusion coating |
| CN106929846A (en) * | 2017-04-22 | 2017-07-07 | 南京工程学院 | Laser cladding new A lFeCrCoNiTi alloy coats and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019214429A1 (en) * | 2018-05-10 | 2019-11-14 | 福建工程学院 | Laser cladding nanopowder heating assisted pressing device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108330486B (en) | 2020-04-03 |
| WO2019214429A1 (en) | 2019-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108103346B (en) | Contain micro nano particle aluminium alloy welding wire wire rod and preparation method thereof | |
| CN101684520B (en) | Ultrasonic-assisted densification device | |
| CN103121105B (en) | Method for preparing micro spherical niobium (Nb)-wolfram (W)-molybdenum (Mo)-zirconium (Zr) alloy powder | |
| CN105522137B (en) | A kind of cermet complex and preparation method thereof | |
| CN108555301A (en) | A kind of Paralleled formula 3 D-printing forming method of large-scale precision metal parts | |
| IL179152A (en) | Method of electric discharge surface treatment | |
| CN109320302A (en) | A kind of high-temperature oxidation resistant coating and preparation method thereof formed on basis material | |
| CN105350294B (en) | A kind of chopped carbon fiber of applying silicon carbide layer and preparation method thereof | |
| CN115572961B (en) | Method for preparing diamond composite material by microwave-assisted air pressure infiltration | |
| CN115430844B (en) | Selective laser melting forming method for variable-layer-thickness metal part | |
| CN108330486A (en) | A kind of pressure setting and method of the nanometer powder heating auxiliary of laser melting coating | |
| CN108941552B (en) | A kind of Ti/Ti6Al4V composite material of component continuous gradient variation | |
| CN108588708A (en) | The ultrasound of composite Nano coating involves the laser cladding method of sensing heating auxiliary | |
| CN103361615A (en) | Equipment for depositing nano coating of double-cathode plasma on surface of diamond and process | |
| Li et al. | The effect of multi-arc ion plating NiCr coating on interface characterization of ZrO2–Al2O3 ceramics reinforced iron-based composites | |
| CN108103460A (en) | A kind of titanium carbide target and preparation method thereof | |
| CN102310196B (en) | Method for manufacturing micro parts by sintering under electric field action | |
| CN114835496B (en) | Cr (chromium) 3 C 2 Preparation method of block material | |
| CN107675021B (en) | A kind of intermetallic compound titanium-silicon molybdenum porous material and preparation method thereof | |
| CN108097965A (en) | A kind of powder extruding method for making of high silicon steel thin belt material | |
| CN106694897B (en) | A method of preparing tungsten Penetrator block materials | |
| Shahzad et al. | Negative additive manufacturing of Al2O3-Al cermet material by fused deposition and Direct Ink Writing | |
| CN109266894A (en) | A kind of preparation method of SiCP enhancing magnesium-based composite material | |
| CN106892684A (en) | A kind of preparation method of C/C composite material surfaces ZrC coatings | |
| CN108097968A (en) | A kind of method that powder tape casting prepares single-phase Fe-6.5%Si silicon steel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 |