CN102643104A - Diffusion bonding method of zirconium diboride-silicon carbide composite material and metal alloy - Google Patents
Diffusion bonding method of zirconium diboride-silicon carbide composite material and metal alloy Download PDFInfo
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- CN102643104A CN102643104A CN2012101493365A CN201210149336A CN102643104A CN 102643104 A CN102643104 A CN 102643104A CN 2012101493365 A CN2012101493365 A CN 2012101493365A CN 201210149336 A CN201210149336 A CN 201210149336A CN 102643104 A CN102643104 A CN 102643104A
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- silicon carbide
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- zirconium diboride
- diboride composite
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- 238000009792 diffusion process Methods 0.000 title claims abstract description 69
- 239000002131 composite material Substances 0.000 title claims abstract description 62
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 57
- 229910001092 metal group alloy Inorganic materials 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title abstract description 19
- 229910052726 zirconium Inorganic materials 0.000 title abstract description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 title abstract 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 25
- 239000006260 foam Substances 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 21
- 229910007948 ZrB2 Inorganic materials 0.000 claims description 56
- VWZIXVXBCBBRGP-UHFFFAOYSA-N boron;zirconium Chemical compound B#[Zr]#B VWZIXVXBCBBRGP-UHFFFAOYSA-N 0.000 claims description 56
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 56
- 229910021471 metal-silicon alloy Inorganic materials 0.000 claims description 28
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 24
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 9
- 238000002203 pretreatment Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 229910001257 Nb alloy Inorganic materials 0.000 claims description 3
- 238000004021 metal welding Methods 0.000 claims description 3
- 229910000601 superalloy Inorganic materials 0.000 claims description 3
- 238000005219 brazing Methods 0.000 abstract description 4
- 238000010008 shearing Methods 0.000 description 9
- 230000035882 stress Effects 0.000 description 9
- 206010042209 Stress Diseases 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- RCKBMGHMPOIFND-UHFFFAOYSA-N sulfanylidene(sulfanylidenegallanylsulfanyl)gallane Chemical compound S=[Ga]S[Ga]=S RCKBMGHMPOIFND-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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- Ceramic Products (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to a bonding method of a zirconium diboride-silicon carbide composite material and a metal alloy, particularly a diffusion bonding method of a zirconium diboride-silicon carbide composite material and a metal alloy. The invention aims to solve the problem of low strength of the active brazed joint of the existing zirconium diboride-silicon carbide composite material and metal alloy. The method comprises the following steps: 1. pretreating the zirconium diboride-silicon carbide composite material and the metal alloy; 2 pretreating a foam nickel middle layer; and 3. carrying out diffusion welding bonding. The method relieves the joint stress, and enhances the joint strength. The shear strength of the diffusion welding joint obtained by the method is 176.5-208.1MPa, and is enhanced by 76-197% as compared with the shear strength of the bonding joint by a brazing process. The invention can be used in the field of diffusion welding bonding.
Description
Technical field
The present invention relates to the method for attachment of zirconium diboride composite material of silicon carbide and metal alloy.
Background technology
Zirconium diboride (ZrB
2) based composites is a kind of novel ultrahigh-temperature structured material, it has excellent stability at elevated temperature, high conductivity, high thermoconductivity and stronger anti-ablation ability, can be widely used in aerospace, weaponry and other industrial circles.But because the zirconium diboride composite material of silicon carbide has higher hardness and fragility, there is big difficulty in preparation large size complex component.Therefore realize it with other materials particularly high temperature alloy reliable be connected be its in the engineering field key in application.At present; Method for brazing is mainly adopted in the method for attachment of zirconium diboride composite material of silicon carbide and metal alloy; Utilizing active element (like Ti, Zr, Pd etc.) to form with the reaction of zirconium diboride composite material of silicon carbide ceramic matrix is connected; Because the thermal expansivity of solder and zirconium diboride composite material of silicon carbide differs bigger, causes the brazed joint stress concentration easily, thereby cause strength of joint to reduce.
Summary of the invention
The objective of the invention is in order to solve the low problem of active soldering strength of joint of existing zirconium diboride composite material of silicon carbide and metal alloy, and the diffusion method of attachment of zirconium diboride composite material of silicon carbide and metal alloy is provided.
The zirconium diboride composite material of silicon carbide among the present invention and the diffusion method of attachment of metal alloy are to carry out according to the following steps:
One, the pre-treatment of zirconium diboride composite material of silicon carbide and metal alloy: with zirconium diboride composite material of silicon carbide and the connected metal alloy of desire after new surface is exposed in polishing; At ultrasonic power is under 80 ~ 120W condition; With acetone 5 ~ 10min, dry then;
Two, the pre-treatment in nickel foam middle layer: is under 80 ~ 120W condition with the nickel foam middle layer at ultrasonic power, with acetone 5 ~ 10min, dries to be placed between zirconium diboride composite material of silicon carbide and the metal alloy and forms weld parts;
Three, diffusion welding connects: the weld parts with obtaining in the step 2, place Vacuum diffusion bonding furnace, and Vacuum diffusion bonding furnace is evacuated to 5 * 10
-4~ 5 * 10
-2Pa; Through last push-down head zirconium diboride composite material of silicon carbide and metal alloy are applied the pressure that size is 20 ~ 40MPa; Then Vacuum diffusion bonding furnace is warming up to diffusion welding with the speed of 30 ℃/min and connects 600 ~ 1000 ℃ of temperature, and be incubated 60 ~ 120min, the speed with 10 ℃/min is cooled to 300 ℃ then; Last weld parts furnace cooling is promptly accomplished the zirconium diboride composite material of silicon carbide and is connected with the diffusion welding of metal alloy;
Wherein said nickel foam middle layer is that battery industry is used nickel foam, and porosity is 90% ~ 98%, and thickness is 1 ~ 6mm, and said metal alloy is nickel base superalloy, titanium alloy or niobium alloy.
The present invention can improve the mechanism of joint strength of joint: nickel foam has tridimensional network; Porosity is higher; During as the diffusion welding middle layer, under the effect of pressure, deform, the part hole is able to keep and be evenly distributed on weld seam intermediate formation porous middle layer; This porous middle layer has higher intensity and plastic deformation ability concurrently, can absorb because the different unrelieved stresss that produced of mother metal thermal expansivity.In addition; Nickel foam middle layer and zirconium diboride composite material of silicon carbide form discontinuous diffusion layer at the linkage interface place; For the continuous diffusion layer that conventional diffusion weldering use tinsel middle layer is produced, this method can further be regulated stress distribution, strengthens the joint strength of joint.
Beneficial effect of the present invention:
1, nickel foam has tridimensional network; Porosity is higher, during as the diffusion welding middle layer, under the effect of pressure, deforms; The part hole is able to keep and be evenly distributed on weld seam intermediate formation porous middle layer; This porous middle layer has higher intensity and plastic deformation ability concurrently, can absorb because the different unrelieved stresss that produced of mother metal thermal expansivity strengthen the joint strength of joint.
2, nickel foam middle layer and zirconium diboride composite material of silicon carbide form discontinuous diffusion layer at the linkage interface place; For the continuous diffusion layer that conventional diffusion weldering use tinsel middle layer is produced; This method can further be regulated stress distribution, strengthens the joint strength of joint.
3, the diffusion welding joint shearing resistance of using the inventive method to obtain zirconium diboride composite material of silicon carbide and metal alloy is 176.5MPa ~ 208.1MPa; Zirconium diboride composite material of silicon carbide and metal alloy jointing shearing resistance than adopting method for brazing have improved 76% ~ 197%, have improved 20% ~ 27% than zirconium diboride composite material of silicon carbide and the metal alloy diffusion welding joint shearing resistance of using pure Ni paper tinsel as the middle layer.
Embodiment
Technical scheme of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
Embodiment one: the diffusion method of attachment of zirconium diboride composite material of silicon carbide and metal alloy is carried out according to the following steps in this embodiment:
One, the pre-treatment of zirconium diboride composite material of silicon carbide and metal alloy: with zirconium diboride composite material of silicon carbide and the connected metal alloy of desire after new surface is exposed in polishing; At ultrasonic power is under 80 ~ 120W condition; With acetone 5 ~ 10min, dry then;
Two, the pre-treatment in nickel foam middle layer: is under 80 ~ 120W condition with the nickel foam middle layer at ultrasonic power, with acetone 5 ~ 10min, dries to be placed between zirconium diboride composite material of silicon carbide and the metal alloy and forms weld parts;
Three, diffusion welding connects: the weld parts with obtaining in the step 2, place Vacuum diffusion bonding furnace, and Vacuum diffusion bonding furnace is evacuated to 5 * 10
-4~ 5 * 10
-2Pa; Through last push-down head zirconium diboride composite material of silicon carbide and metal alloy are applied the pressure that size is 20 ~ 40MPa; Then Vacuum diffusion bonding furnace is warming up to diffusion welding with the speed of 30 ℃/min and connects 600 ~ 1000 ℃ of temperature, and be incubated 60 ~ 120min, the speed with 10 ℃/min is cooled to 300 ℃ then; Last weld parts furnace cooling is promptly accomplished the zirconium diboride composite material of silicon carbide and is connected with the diffusion welding of metal alloy;
Wherein said nickel foam middle layer is that battery industry is used nickel foam, and porosity is 90% ~ 98%, and thickness is 1 ~ 6mm, and said metal alloy is nickel base superalloy, titanium alloy or niobium alloy.
The present invention can improve the mechanism of joint strength of joint: nickel foam has tridimensional network; Porosity is higher; During as the diffusion welding middle layer, under the effect of pressure, deform, the part hole is able to keep and be evenly distributed on weld seam intermediate formation porous middle layer; This porous middle layer has higher intensity and plastic deformation ability concurrently, can absorb because the different unrelieved stresss that produced of mother metal thermal expansivity.In addition; Nickel foam middle layer and zirconium diboride composite material of silicon carbide form discontinuous diffusion layer at the linkage interface place; For the continuous diffusion layer that conventional diffusion weldering use tinsel middle layer is produced, this method can further be regulated stress distribution, strengthens strength of joint.
Beneficial effect of the present invention:
1, nickel foam has tridimensional network; Porosity is higher; During as the diffusion welding middle layer, under the effect of pressure, deform, the part hole is able to keep and be evenly distributed on weld seam intermediate formation porous middle layer; This porous middle layer has higher intensity and plastic deformation ability concurrently, can absorb because the different unrelieved stresss that produced of mother metal thermal expansivity.
2, nickel foam middle layer and zirconium diboride composite material of silicon carbide form discontinuous diffusion layer at the linkage interface place; For the continuous diffusion layer that conventional diffusion weldering use tinsel middle layer is produced; This method can further be regulated stress distribution, strengthens strength of joint.
3, the diffusion welding joint shearing resistance of using the inventive method to obtain zirconium diboride composite material of silicon carbide and metal alloy is 176.5MPa ~ 208.1MPa; Zirconium diboride composite material of silicon carbide and metal alloy jointing shearing resistance than adopting method for brazing have improved 76% ~ 197%, have improved 20% ~ 27% than zirconium diboride composite material of silicon carbide and the metal alloy diffusion welding joint shearing resistance of using pure Ni paper tinsel as the middle layer.
Embodiment two: what this embodiment and embodiment one were different is: be under 90 ~ 110W condition at ultrasonic power in the step 1, with acetone 6 ~ 9min.Other step is identical with embodiment one with parameter.
Embodiment three: what this embodiment was different with embodiment one or two is: be under 90 ~ 110W condition at ultrasonic power in the step 2, with acetone 6 ~ 9min.Other step is identical with embodiment one or two with parameter.
Embodiment four: what this embodiment was different with one of embodiment one to three is: in the step 3 Vacuum diffusion bonding furnace is evacuated to 6 * 10
-4~ 5 * 10
-3Pa.Other step is identical with one of embodiment one to three with parameter.
Embodiment five: what this embodiment was different with one of embodiment one to three is: in the step 3 Vacuum diffusion bonding furnace is evacuated to 7.5 * 10
-4Pa.Other step is identical with one of embodiment one to three with parameter.
Embodiment six: what this embodiment was different with one of embodiment one to five is: through last push-down head zirconium diboride composite material of silicon carbide and metal alloy are applied the pressure that size is 25 ~ 35MPa in the step 3.Other step is identical with one of embodiment one to five with parameter.
Embodiment seven: what this embodiment was different with one of embodiment one to five is: through last push-down head zirconium diboride composite material of silicon carbide and metal alloy are applied the big or small pressure of 30MPa that is in the step 3.Other step is identical with one of embodiment one to five with parameter.
Embodiment eight: what this embodiment was different with one of embodiment one to seven is: it is 700 ~ 900 ℃ that diffusion welding described in the step 3 connects temperature.Other step is identical with one of embodiment one to seven with parameter.
Embodiment nine: what this embodiment was different with one of embodiment one to eight is: soaking time described in the step 3 is 80 ~ 100min.Other step is identical with one of embodiment one to eight with parameter.
Embodiment ten: what this embodiment was different with one of embodiment one to eight is: soaking time described in the step 3 is 90min.Other step is identical with one of embodiment one to eight with parameter.
For verifying that beneficial effect of the present invention has carried out following experiment:
Experiment one: the zirconium diboride composite material of silicon carbide in this experiment and the diffusion method of attachment of metal alloy are carried out according to the following steps:
One, with zirconium diboride composite material of silicon carbide and the connected titanium alloy of desire (model is TC4) after new surface is exposed in polishing, be under the 100W condition at ultrasonic power, use acetone 10min, dry then;
Two, be under the 100W condition with the nickel foam middle layer at ultrasonic power, use acetone 10min, dry to be placed between zirconium diboride composite material of silicon carbide and the titanium alloy to be welded and form weld parts;
Three, with the weld parts that obtains in the step 2, place Vacuum diffusion bonding furnace, Vacuum diffusion bonding furnace is evacuated to 6 * 10
-4Pa; Through last push-down head zirconium diboride composite material of silicon carbide and titanium alloy are applied the big or small pressure of 35MPa that is; Then Vacuum diffusion bonding furnace is warming up to the speed of 30 ℃/min and connects 900 ℃ of temperature, and insulation 100min, the speed with 10 ℃/min is cooled to 300 ℃ then; Last weld parts furnace cooling is promptly accomplished the zirconium diboride composite material of silicon carbide and is connected with the diffusion welding of titanium alloy.
Be 191.5MPa through detecting the diffusion welding joint shearing resistance of using the inventive method to obtain zirconium diboride composite material of silicon carbide and titanium alloy; And the active soldering shearing strength of joint of zirconium diboride composite material of silicon carbide and titanium alloy is 90.5MPa; Shearing resistance has improved 112%, has strengthened the joint strength of joint significantly.
Claims (10)
1. the diffusion method of attachment of zirconium diboride composite material of silicon carbide and metal alloy is characterized in that it realizes through following steps:
One, the pre-treatment of zirconium diboride composite material of silicon carbide and metal alloy: with zirconium diboride composite material of silicon carbide and the connected metal alloy of desire after new surface is exposed in polishing; At ultrasonic power is under 80 ~ 120W condition; With acetone 5 ~ 10min, dry then;
Two, the pre-treatment in nickel foam middle layer: is under 80 ~ 120W condition with the nickel foam middle layer at ultrasonic power, with acetone 5 ~ 10min, dries to be placed between zirconium diboride composite material of silicon carbide and the metal alloy and forms weld parts;
Three, diffusion welding connects: the weld parts with obtaining in the step 2, place Vacuum diffusion bonding furnace, and Vacuum diffusion bonding furnace is evacuated to 5 * 10
-4~ 5 * 10
-2Pa; Through last push-down head zirconium diboride composite material of silicon carbide and metal alloy are applied the pressure that size is 20 ~ 40MPa; Then Vacuum diffusion bonding furnace is warming up to diffusion welding with the speed of 30 ℃/min and connects 600 ~ 1000 ℃ of temperature, and be incubated 60 ~ 120min, the speed with 10 ℃/min is cooled to 300 ℃ then; Last weld parts furnace cooling is promptly accomplished the zirconium diboride composite material of silicon carbide and is connected with the diffusion welding of metal alloy;
Wherein said nickel foam middle layer is that battery industry is used nickel foam, and porosity is 90% ~ 98%, and thickness is 1 ~ 6mm, and said metal alloy is nickel base superalloy, titanium alloy or niobium alloy.
2. the diffusion method of attachment of zirconium diboride composite material of silicon carbide as claimed in claim 1 and metal alloy is characterized in that in the step 1 at ultrasonic power being under 90 ~ 110W condition, with acetone 6 ~ 9min.
3. the diffusion method of attachment of zirconium diboride composite material of silicon carbide as claimed in claim 1 and metal alloy is characterized in that in the step 2 at ultrasonic power being under 90 ~ 110W condition, with acetone 6 ~ 9min.
4. like the diffusion method of attachment of each described zirconium diboride composite material of silicon carbide and metal alloy in the claim 1 to 3, it is characterized in that in the step 3 Vacuum diffusion bonding furnace being evacuated to 6 * 10
-4~ 5 * 10
-3Pa.
5. like the diffusion method of attachment of each described zirconium diboride composite material of silicon carbide and metal alloy in the claim 1 to 3, it is characterized in that in the step 3 Vacuum diffusion bonding furnace being evacuated to 7.5 * 10
-4Pa.
6. like the diffusion method of attachment of each described zirconium diboride composite material of silicon carbide and metal alloy in the claim 1 to 3, through last push-down head zirconium diboride composite material of silicon carbide and metal alloy are applied the pressure that size is 25 ~ 35MPa in the step 3.
7. like the diffusion method of attachment of each described zirconium diboride composite material of silicon carbide and metal alloy in the claim 1 to 3, through last push-down head zirconium diboride composite material of silicon carbide and metal alloy are applied the big or small pressure of 30MPa that is in the step 3.
8. like the diffusion method of attachment of each described zirconium diboride composite material of silicon carbide and metal alloy in the claim 1 to 3, it is 700 ~ 900 ℃ that diffusion welding described in the step 3 connects temperature.
9. like the diffusion method of attachment of each described zirconium diboride composite material of silicon carbide and metal alloy in the claim 1 to 3, soaking time described in the step 3 is 80 ~ 100min.
10. like the diffusion method of attachment of each described zirconium diboride composite material of silicon carbide and metal alloy in the claim 1 to 3, soaking time described in the step 3 is 90min.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143805A (en) * | 2013-03-25 | 2013-06-12 | 哈尔滨工业大学 | Method for relieving residual stress of brazed joint |
| CN103214260A (en) * | 2013-04-22 | 2013-07-24 | 哈尔滨工业大学 | Method for performing diffusion bonding on DD3 high-temperature alloy and Ti3AlC2 ceramic by adopting Nb/Ni composite middle layer |
| CN104475898A (en) * | 2014-12-26 | 2015-04-01 | 哈尔滨工业大学 | Dissimilar material brazing method of porous intermediate layer structure brazing seam |
| CN106242606A (en) * | 2016-07-20 | 2016-12-21 | 哈尔滨工业大学 | One utilizes Zr Ni base solder brazing ZrB2the method of SiC composite ceramics |
| CN107686906A (en) * | 2017-08-15 | 2018-02-13 | 东莞市联洲知识产权运营管理有限公司 | A kind of preparation method of zirconium boride enhancing chrome alum titanium alloy sheet |
| CN109759665A (en) * | 2019-03-22 | 2019-05-17 | 中山大学 | A kind of ceramic/metal connector preparation method of the TiB whisker reinforcement with three-dimensional netted distribution |
| CN109851387A (en) * | 2019-01-02 | 2019-06-07 | 西安交通大学 | A kind of metal and the double strong ties integrated components of ceramic materialization and preparation method thereof |
| CN110079775A (en) * | 2019-04-30 | 2019-08-02 | 江苏理工学院 | A kind of molybdenum alloy surface MoSi2The preparation method of coating |
| CN110508892A (en) * | 2019-09-12 | 2019-11-29 | 中山大学 | A kind of connection method of ZrC-SiC composite ceramics and austenitic stainless steel |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143805A (en) * | 2013-03-25 | 2013-06-12 | 哈尔滨工业大学 | Method for relieving residual stress of brazed joint |
| CN103214260A (en) * | 2013-04-22 | 2013-07-24 | 哈尔滨工业大学 | Method for performing diffusion bonding on DD3 high-temperature alloy and Ti3AlC2 ceramic by adopting Nb/Ni composite middle layer |
| CN103214260B (en) * | 2013-04-22 | 2014-08-20 | 哈尔滨工业大学 | Method for performing diffusion bonding on DD3 high-temperature alloy and Ti3AlC2 ceramic by adopting Nb/Ni composite middle layer |
| CN104475898A (en) * | 2014-12-26 | 2015-04-01 | 哈尔滨工业大学 | Dissimilar material brazing method of porous intermediate layer structure brazing seam |
| CN104475898B (en) * | 2014-12-26 | 2016-04-27 | 哈尔滨工业大学 | The foreign material method for welding of porous interlayer structure brazed seam |
| CN106242606B (en) * | 2016-07-20 | 2019-09-13 | 哈尔滨工业大学 | A method of utilizing Zr-Ni base solder brazing ZrB2-SiC composite ceramics |
| CN106242606A (en) * | 2016-07-20 | 2016-12-21 | 哈尔滨工业大学 | One utilizes Zr Ni base solder brazing ZrB2the method of SiC composite ceramics |
| CN107686906A (en) * | 2017-08-15 | 2018-02-13 | 东莞市联洲知识产权运营管理有限公司 | A kind of preparation method of zirconium boride enhancing chrome alum titanium alloy sheet |
| CN109851387A (en) * | 2019-01-02 | 2019-06-07 | 西安交通大学 | A kind of metal and the double strong ties integrated components of ceramic materialization and preparation method thereof |
| CN109851387B (en) * | 2019-01-02 | 2021-03-02 | 西安交通大学 | Metal and ceramic materialized double-strong-connection integrated component and preparation method thereof |
| CN109759665A (en) * | 2019-03-22 | 2019-05-17 | 中山大学 | A kind of ceramic/metal connector preparation method of the TiB whisker reinforcement with three-dimensional netted distribution |
| CN110079775A (en) * | 2019-04-30 | 2019-08-02 | 江苏理工学院 | A kind of molybdenum alloy surface MoSi2The preparation method of coating |
| CN110508892A (en) * | 2019-09-12 | 2019-11-29 | 中山大学 | A kind of connection method of ZrC-SiC composite ceramics and austenitic stainless steel |
| CN110508892B (en) * | 2019-09-12 | 2021-06-18 | 中山大学 | Method for connecting ZrC-SiC composite ceramic and austenitic stainless steel |
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|---|---|
| CN102643104B (en) | 2013-10-02 |
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