CN1101361C - Glow brazing process for welding ceramic and metal - Google Patents
Glow brazing process for welding ceramic and metal Download PDFInfo
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- CN1101361C CN1101361C CN97100681A CN97100681A CN1101361C CN 1101361 C CN1101361 C CN 1101361C CN 97100681 A CN97100681 A CN 97100681A CN 97100681 A CN97100681 A CN 97100681A CN 1101361 C CN1101361 C CN 1101361C
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Abstract
The present invention relates to a glow brazing process for welding ceramic and metal with infiltration metal as an intermediate layer, which can simplify the brazing process between ceramic and metal and improve brazing quality. In the process, an intermediate metal layer with two metal infiltrated sides is added between the ceramic and the metal to be brazed, and glow brazing is performed in a glowing furnace. The thickness of the intermediate metal layer is from 0.3mm to 3mm, and the thicknesses of the two metal infiltrated sides of the intermediate metal layer are from 5 mu m to 100 mu m. The present invention is used for high quality brazing between various kinds of ceramic and metal.
Description
The present invention relates to the glow brazing process for welding of a kind of pottery and metal.
Paper " pottery--metal glow brazing process for welding " (TaiYuan Industry University's journal the 26th volume in December nineteen ninety-five the 4th phase P95-98) has been introduced the glow brazing process for welding of a kind of pottery and metal, it is thermal source that this method adopts the aura stove, reactive metal titanium etc. is infiltrated at ceramic surface by sputtering sedimentation and ion form coating, will put into behind the Ag-Cu solder in the aura furnace brazing with the pottery of coating and metal then.
Though this method can be carried out the soldering of pottery and metal, utilize the sputtering sedimentation ion to infiltrate the coating apparatus and process complexity that forms pottery, vacuum tightness requires height, cost height; Also have such coating in pottery and the glow soldering process of metal, can't effectively eliminate the unrelieved stress that pottery and metal cause owing to the difference of thermal expansivity, thereby influenced brazing quality to a certain extent.
The objective of the invention is in order to overcome the deficiency of present pottery and metal glow soldering, it is simple to propose a kind of technology, and can improve the method for welding of the brazing quality of pottery and metal significantly.
The glow brazing process for welding of pottery of the present invention and metal is:
Added the intermediate metal layer of its both sides metallic cementation between the pottery of soldering and the metal, put into the aura stove then and carry out glow soldering, the thickness of this intermediate metal layer is 0.3-3mm, and the metallic cementation thickness of intermediate metal both sides is 5-100 μ m; Intermediate metal layer is a kind of in a kind of or thermal expansivity in tough metal silver, copper, the nickel and the approaching tungsten of pottery, the molybdenum.To the material of this intermediate metal layer both sides metallic cementation is a kind of in titanium, the zirconium.
The processing parameter of this method is final vacuum 6Pa, operating air pressure 10-20Pa, operating voltage 300-900V, brazing temperature 750-1000 ℃, soaking time 10-25 minute, working medium argon gas.
Stupalith is Si
3N
4, ZrO
2, Al
2O
3, a kind of among the SiC.
Fig. 1, the synoptic diagram of intermediate metal layer that adopts in the method for welding of the present invention and both sides metallic cementation layer thereof.
Fig. 2, the synoptic diagram of method for welding of the present invention.
Describe method of the present invention in detail below in conjunction with accompanying drawing.
As shown in Figure 1, intermediate metal layer 1 thickness is 0.3-3mm, and the thickness 2 of this intermediate metal both sides metallic cementation is 5-100 μ m.
As shown in Figure 2, the intermediate metal layer 1 by ceramic soldering 3 and metal 4 and the metallic cementation between them that assembles is put into the glow soldering stove, carry out the glow soldering of pottery and metal then according to the processing parameter of afore mentioned rules.
In the glow soldering process of pottery and metal, intermediate metal layer 1 is a copper, the metal that oozes in the intermediate metal layer both sides is a titanium, like this, when being heated to 900 ℃ of brazing temperatures, intermediate metal layer copper ooze the effect that titanium coating 2 has melted active solder owing to low melting eutectics, connect pottery and metal respectively, but the middle partly fusing point higher (1083 ℃ of copper fusing points) of fine copper of the intermediate metal layer of metallic cementation does not melt to be retained down in brazing process and answers layer as subtracting.
Should be understood that, because in the glow soldering process of pottery and metal, the middle layer that has this metallic cementation, therefore utilize the metallic cementation of intermediate metal layer partly pottery and metal to be coupled together as solder, simultaneously, since in the brazed seam this subtract should layer existence, just can eliminate to a certain extent because the unrelieved stress that the difference of pottery and thermal expansion metal coefficient causes, thereby help improving the quality of brazed joint.
This glow brazing process for welding is compared with the glow brazing process for welding of metal with existing pottery and is had the following advantages:
1, owing to adopt the intermediate metal layer of metallic cementation, answers layer, therefore can improve brazing quality and in brazed joint, produce to subtract.
2, by the various metals of oozing of intermediate metal layer, the composition of adjusting active solder that can be flexible.
3, the vacuum tightness requirement in the time of can descending soldering, thereby reduce cost.
The glow soldering of embodiment 1, pottery and carbon steel
Pottery is Si
3N
4Carbon steel is Q235.The employing intermediate metal layer is a copper, and its thickness is 1mm, and intermediate metal layer both sides metallic cementation titanium thickness is 15 μ m, pottery, oozes titanium middle layer copper and metal and puts into the aura stove and carry out glow soldering, and brazing process parameter is:
Final vacuum 6Pa
Operating air pressure 15Pa
Operating voltage 800V
900 ℃ of brazing temperatures
Soaking time 10 minutes
The working medium argon gas
Soldering is the good joint of obtained performance as a result, Si
3N
4The pottery flawless, entire joint face is the junction invariably, and the brazed joint slip resistance is 56Mpa.
Embodiment 2, ceramic and stainless glow soldering
Pottery is Al
2O
3Stainless steel is 1Cr18Ni9Ti, and intermediate metal layer is a copper, and its thickness is 1.5mm, intermediate metal layer copper both sides are oozed titanium thickness and are 15 μ m, then with pottery, ooze titanium intermediate metal layer copper, the stainless steel aura stove of packing into and carry out glow soldering, the processing parameter of soldering is: final vacuum 6Pa, operating air pressure 15Pa, operating voltage 900V, 920 ℃ of brazing temperatures are incubated 10 minutes, and working medium is an argon gas.The soldering result obtains good joint, Al
2O
3The pottery flawless, entire joint face does not have not junction, and the slip resistance of brazed joint is 58Mpa.
The glow soldering of embodiment 3, pottery and copper
Pottery is ZrO
2, copper is T
3Ooze titanium thickness in intermediate metal layer copper both sides and be 15 μ m, then with pottery, ooze titanium intermediate metal layer copper and copper and put into the aura stove and carry out glow soldering, the glow soldering processing parameter is:
Final vacuum 6Pa
Operating air pressure 15Pa
Operating voltage 900V
900 ℃ of brazing temperatures
Soaking time 10 minutes
The working medium argon gas
The soldering result obtains good joint, ZrO
2Flawless does not have not junction on entire joint face, brazed joint shearing resistance 57Mpa, after the artificial destruction at ZrO
2Last cracking.
Claims (3)
1, the glow brazing process for welding of a kind of pottery and metal, it is characterized in that, added the intermediate metal layer of its both sides infiltration metal in the middle of the pottery of soldering and the metal, after put into the aura stove and carry out glow soldering, this intermediate metal layer thickness is 0.3-3mm, and the infiltration metal thickness of intermediate metal both sides is 5-100 μ m; This intermediate metal layer is a kind of in a kind of or thermal expansivity in tough metal silver, copper, the nickel and the approaching tungsten of pottery, the molybdenum, is a kind of in titanium, the zirconium to the material of this intermediate metal layer both sides metallic cementation.
2, glow brazing process for welding according to claim 1 is characterized in that, the processing parameter of this method is:
Final vacuum 6Pa, operating air pressure 10-20Pa, operating voltage 300-900V, brazing temperature 750-1000 ℃, soaking time 10-25 minute, working medium argon gas.
3, glow brazing process for welding according to claim 1 is characterized in that, stupalith is Si
3N
4, ZrO
2, Al
2O
3, a kind of among the SiC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97100681A CN1101361C (en) | 1997-03-12 | 1997-03-12 | Glow brazing process for welding ceramic and metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97100681A CN1101361C (en) | 1997-03-12 | 1997-03-12 | Glow brazing process for welding ceramic and metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1158829A CN1158829A (en) | 1997-09-10 |
| CN1101361C true CN1101361C (en) | 2003-02-12 |
Family
ID=5165241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97100681A Expired - Fee Related CN1101361C (en) | 1997-03-12 | 1997-03-12 | Glow brazing process for welding ceramic and metal |
Country Status (1)
| Country | Link |
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| CN (1) | CN1101361C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557706B (en) * | 2010-12-14 | 2015-03-11 | 鸿富锦精密工业（深圳）有限公司 | Composite part of tin bronze and silicon carbide ceramics and production method thereof |
| CN102557705A (en) * | 2010-12-14 | 2012-07-11 | 鸿富锦精密工业（深圳）有限公司 | Brass and silicon carbide ceramic composite piece and manufacturing method thereof |
| CN103204694B (en) * | 2013-04-03 | 2014-04-02 | 哈尔滨工业大学 | Method for diffusely connecting TiAl-based alloy and Ti3AlC2 ceramic by adopting Zr/Ni composite intermediate layer |
| CN109053208A (en) * | 2018-09-03 | 2018-12-21 | 威海圆环先进陶瓷股份有限公司 | A kind of preparation process of active metallization soldering silicon nitride ceramics copper-clad base plate |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE236247C (en) * | ||||
| GB2135376A (en) * | 1983-01-11 | 1984-08-30 | Facet Enterprises | Composite intermediate bonding structures |
| US4763828A (en) * | 1983-12-20 | 1988-08-16 | Mitsubishi Jukogyo Kabushiki Kaisha | Method for bonding ceramics and metals |
| JPS63239162A (en) * | 1987-03-27 | 1988-10-05 | 株式会社東芝 | Manufacture of ceramic joined body |
| JPS63239166A (en) * | 1987-03-27 | 1988-10-05 | 株式会社東芝 | Ceramic joined body |
| US5082161A (en) * | 1989-11-30 | 1992-01-21 | Isuzu Jidosha Kabushiki Kaisha | Method of joining ceramics and metal with ti-co braze and ni |
| CN1127191A (en) * | 1995-09-01 | 1996-07-24 | 昆明理工大学 | Adhesion method capable of controlling effectively thickness of adhibited layer |
-
1997
- 1997-03-12 CN CN97100681A patent/CN1101361C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE236247C (en) * | ||||
| GB2135376A (en) * | 1983-01-11 | 1984-08-30 | Facet Enterprises | Composite intermediate bonding structures |
| US4763828A (en) * | 1983-12-20 | 1988-08-16 | Mitsubishi Jukogyo Kabushiki Kaisha | Method for bonding ceramics and metals |
| JPS63239162A (en) * | 1987-03-27 | 1988-10-05 | 株式会社東芝 | Manufacture of ceramic joined body |
| JPS63239166A (en) * | 1987-03-27 | 1988-10-05 | 株式会社東芝 | Ceramic joined body |
| US5082161A (en) * | 1989-11-30 | 1992-01-21 | Isuzu Jidosha Kabushiki Kaisha | Method of joining ceramics and metal with ti-co braze and ni |
| CN1127191A (en) * | 1995-09-01 | 1996-07-24 | 昆明理工大学 | Adhesion method capable of controlling effectively thickness of adhibited layer |
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| Publication number | Publication date |
|---|---|
| CN1158829A (en) | 1997-09-10 |
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