CN104961357A - Low-temperature connecting method for K9 glass and titanium metal - Google Patents
Low-temperature connecting method for K9 glass and titanium metal Download PDFInfo
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- CN104961357A CN104961357A CN201510392749.XA CN201510392749A CN104961357A CN 104961357 A CN104961357 A CN 104961357A CN 201510392749 A CN201510392749 A CN 201510392749A CN 104961357 A CN104961357 A CN 104961357A
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Abstract
The invention relates to connection of glass and metal, in particular to a low-temperature connecting method for K9 glass and titanium metal. The low-temperature connecting method is characterized by comprising the following steps: (I) preparing powdered composite solder of bismuthate containing an active element Ti; (II) placing the composite solder between the titanium metal and the K9 glass; (III), getting out a sample and then putting the sample into a vacuum connecting furnace, wherein direct-current electric fields with voltage of 100 to 700V are arranged in the vacuum connecting furnace, the temperature of the vacuum connecting furnace is 300 to 600 DEG C, pressure of 5 to 40Pa perpendicular to the sample plane is applied, and the degree of vacuum is 10<-3> to 10<-2> Pa; and keeping the temperature not more than 120 minutes to realize an effective connection of the K9 glass and the titanium metal, cooling the sample to the room temperature along with the furnace, then, getting out the sample, thereby completing low-temperature connection of the K9 glass and the titanium metal. The low-temperature connecting method has the advantages of being simple to operate, green and environmentally-friendly, high in working efficiency, stable in process, and the like.
Description
Technical field
The present invention relates to the connection of glass and metal, specifically a kind of K9 glass and method of attachment of titanium metal low temperature being specially adapted to optical window, viewing window etc.
Background technology
In the assembling and use procedure of optical window, window needs to realize reliably being connected with glass stitching portion and metallic matrix in its end, and the stray light of suppression connection window interior and eliminate the problems such as thermal gradient that the high-speed flight of dull and stereotyped junction and air friction produce.The normal metallic matrix adopted is titanium metal at present, and it has high specific strength, specific rigidity, and good oxidation-resistance and the advantage such as the high temperature of excellence and cryogenic mechanics performance, have broad application prospects in Aeronautics and Astronautics, military and civilian field.
All there is great difference in K9 glass and titanium metal, for high quality connection therebetween proposes huge challenge in chemical-bond type, microtexture, physical properties and mechanical property.Compared with titanium metal, strain point and the softening temperature of glass material are relatively low, therefore realize K9 glass to be connected with the effective of titanium metal, there is following difficult point: (1) high aerial optical window is on active service at low temperature environment, generation suddenlys change by conventional solder Pb base, Sn base solder and PbSn eutectic alloy solder at low temperatures mechanical property, therefore can not be applied in low temperature environment; (2) solder is difficult to soak, sprawl at glass surface; (3) very high requirement is had to mechanical property and thermal expansivity, the solders such as Ge base, Al base, Cu base and Ag base there will be larger stress gradient in heating and cooling process, thus generation unrelieved stress, the particularly soldering of or baroque glass/metal composite component larger for size, this problem seems particularly outstanding, the normal unrelieved stress adopting the method for adding stress-buffer layer or middle layer to alleviate joint at present, but increasing of buffer layer makes welding process complicated, brazed seam broadens, and engineer applied adaptability is greatly limited.Therefore, the difficult point how solving above-mentioned glass/metal dissimilar material joining is the study hotspot of Welder author always.
How to realize K9 glass and titanium metal foreign material to be reliably connected to become optical window composite structure and to prepare shaping gordian technique.Current optical window composite structure prepares below shaping main employing two kinds of typical processs.
(1) a kind of heat-sealing pressure technology (as Chinese invention patent 93101627.4), utilize this technology, can be at a lower temperature, solid-state sealing-in is carried out by a kind of Pb base solder between the glass flange end face of thermal-collecting tube and metal end, namely under the state that welding material keeps solid-state by suitable pressurization, make it seal.Like this, not only make technique greatly simplify, between the metallic substance simultaneously yet solving glass tube and sealing-in with it, the coefficient of expansion does not mate caused difficulty.But this explained hereafter equipment is complicated, glass structure is limited, affects quality of connection.
(2) in order to improve strength of joint, another method obtains application gradually, multiple glazing and metal is adopted anodic field altogether to cause diffusion and carries out the quick method be connected.
Namely first glass and metal pair poststack are placed in the bonding in vacuum stove of DC electric field, and are heated to certain temperature and after keeping for some time; Glass generation bonding reaction forms bonding, and bonding completes, and linker is with the cooling of connection stove, and (if Chinese patent grant number is the open source literature of 1974462B), such glass is combined with ionic linkage between metal, improves strength of joint.But, if the thermal expansion coefficient difference of glass and metal is large, due to glass and intermetallic articulamentum unrelieved stress high, the phenomenon causing glass and metal to come off, affects quality product.
Summary of the invention
The present invention is low in order to bonding strength after solving existing K9 glass and being connected with titanium metal low temperature, and the problem such as easily come off and work-ing life is short, provides and connect with a kind of the K9 glass and the method for attachment of titanium metal low temperature that rear bonding strength is high, difficult drop-off is novel.
The present invention can be reached by following measure:
A kind of K9 glass and the method for attachment of titanium metal low temperature, is characterized in that step is as follows:
(1), preparation is containing the pulverous composite solder of bismuthate of active element Ti, composite solder mixes by being oxidized bismuth meal, boron oxide powder, oxide powder and zinc, calcium oxide powder and Ti powder, the weight percent of each composition is oxidation bismuth meal 20 ~ 98.5%, boron oxide powder 0.5 ~ 30%, oxide powder and zinc 0.5 ~ 30%, calcium oxide powder 0.5 ~ 30%, Ti powder 0.5 ~ 10%, the weight percent of each composition each and equal 100%, its granularity is 300-600 μm;
(2), then composite solder is placed between titanium metal and K9 glass, the thickness of composite solder is 0.005 ~ 0.50mm, titanium metal, formed between composite solder and K9 glass sandwich assembling, the sample assembled is placed in resistance furnace and is heated to 200 ~ 600 ° of C, soaking time is no more than 30min, cools to room temperature with the furnace;
(3), by sample taking out is placed in bonding in vacuum stove, and bonding in vacuum stove is provided with the DC electric field that voltage is 100 ~ 700V, and temperature is 300 ~ 600 ° of C, and apply perpendicular to the pressure of sample plane is 5 ~ 40Pa simultaneously, vacuum tightness 10
-3~ 10
-2pa; Soaking time is no more than 120min, realizes K9 glass and is effectively connected with titanium metal, cools to room temperature with the furnace and takes out, complete K9 glass and be connected with titanium metal low temperature.
Oxide powder quality purity of the present invention is 90 ~ 99.95%, and granular size is 1 ~ 100 μm.
Composite solder of the present invention is prepared by following steps:
(1) get the raw materials ready: take oxidation bismuth meal, boron oxide powder, oxide powder and zinc, calcium oxide powder and Ti powder by weight percentage;
(2) ball milling: the oxidation bismuth meal weighed up, boron oxide powder, oxide powder and zinc, calcium oxide powder and Ti powder are together loaded in ball grinder, ratio of grinding media to material is 10 ~ 25 ︰ 1, filler ratio is 30% ~ 55%; Be filled with ball milling after argon gas after vacuumizing, Ball-milling Time is 1 ~ 8h, rotating ratio is 100 ~ 250r/min; After ball milling terminates, ball milling ball taken out and obtain composite solder.
It is 0.05 ~ 0.50mm that composite solder between titanium metal of the present invention and K9 glass puts thickness, titanium metal, formed between composite solder and K9 glass sandwich assembling, the sample assembled is placed in resistance furnace and is heated to 380 ~ 420 ° of C, insulation is no more than 18min, cools to room temperature with the furnace.
Bonding in vacuum stove of the present invention is provided with the DC electric field that voltage is 350V, and temperature is 500 ° of C, and apply perpendicular to the pressure of sample plane is 35Pa simultaneously, vacuum tightness 10
-3~ 10
-2pa; Soaking time is 60-80min, realizes K9 glass and is effectively connected with titanium metal, cools to room temperature with the furnace and takes out, complete K9 glass and be connected with titanium metal low temperature.
The problems such as the present invention not only solves K9 glass and titanium metal jointing intensity is low, easily come off, and the TiO utilizing reaction to generate
xthe feature of phase high-modulus, low-thermal-expansion and the thermal expansivity of reduction joint, thermal stresses between effective alleviation joint and base material metal, the gradient transition of joint in heat physical properties also can be realized by the content and distribution that effectively control joint reaction product, further relief of thermal stress, thus fundamentally controlling the quality of connection of glass and metal, the present invention has the advantages such as simple to operate, environmental protection, working efficiency are high, process stabilizing.
Embodiment
The invention will be further described below:
A kind of K9 glass and the method for attachment of titanium metal low temperature, is characterized in that step is as follows:
(1), preparation is containing the pulverous composite solder of bismuthate of active element Ti, composite solder mixes by being oxidized bismuth meal, boron oxide powder, oxide powder and zinc, calcium oxide powder and Ti powder, the weight percent of each composition is oxidation bismuth meal 20 ~ 98.5%, boron oxide powder 0.5 ~ 30%, oxide powder and zinc 0.5 ~ 30%, calcium oxide powder 0.5 ~ 30%, Ti powder 0.5 ~ 10%, the weight percent of each composition each and equal 100%, its granularity is 300-600 μm; (2), then composite solder is placed between titanium metal and K9 glass, the thickness of composite solder is 0.005 ~ 0.5mm, titanium metal, formed between composite solder and K9 glass sandwich assembling, the sample assembled is placed in resistance furnace and is heated to 200 ~ 600 ° of C, soaking time is no more than 30min, cools to room temperature with the furnace; (3), by sample taking out is placed in bonding in vacuum stove, and bonding in vacuum stove is provided with the DC electric field that voltage is 100 ~ 700V, and temperature is 300 ~ 600 ° of C, and apply perpendicular to the pressure of sample plane is 5 ~ 40Pa simultaneously, vacuum tightness 10
-3~ 10
-2pa; Soaking time is no more than 120min, realizes K9 glass and is effectively connected with titanium metal, cools to room temperature with the furnace and takes out, complete K9 glass and be connected with titanium metal low temperature.
Oxide powder quality purity of the present invention is 90 ~ 99.95%, and granular size is 1 ~ 100 μm; Oxide powder refers to oxidation bismuth meal, boron oxide powder, oxide powder and zinc, calcium oxide powder; Described composite solder is prepared by following steps: (one) gets the raw materials ready: take oxidation bismuth meal, boron oxide powder, oxide powder and zinc, calcium oxide powder and Ti powder by weight percentage; (2) ball milling: the oxidation bismuth meal weighed up, boron oxide powder, oxide powder and zinc, calcium oxide powder and Ti powder are together loaded in ball grinder, ratio of grinding media to material is 10 ~ 25 ︰ 1, filler ratio is 30% ~ 55%; Be filled with ball milling after argon gas after vacuumizing, Ball-milling Time is 1 ~ 8h, rotating ratio is 100 ~ 250r/min; After ball milling terminates, ball milling ball taken out and obtain composite solder; It is 0.05 ~ 0.50mm that composite solder between described titanium metal and K9 glass puts thickness, titanium metal, formed between composite solder and K9 glass sandwich assembling, the sample assembled is placed in resistance furnace and is heated to 380 ~ 420 ° of C, insulation is no more than 18min, cool to room temperature with the furnace, described bonding in vacuum stove is provided with the DC electric field that voltage is 350V, and temperature is 500 ° of C, apply perpendicular to the pressure of sample plane is 35Pa simultaneously, vacuum tightness 10
-3~ 10
-2pa; Soaking time is 60-80min, realize K9 glass to be effectively connected with titanium metal, cool to room temperature with the furnace and take out, complete K9 glass and be connected with titanium metal low temperature, the problems such as the present invention not only solves K9 glass and titanium metal jointing intensity is low, easily come off, and the TiO utilizing reaction to generate
xthe feature of phase high-modulus, low-thermal-expansion and the thermal expansivity of reduction joint, thermal stresses between effective alleviation joint and base material metal, the gradient transition of joint in heat physical properties also can be realized by the content and distribution that effectively control joint reaction product, further relief of thermal stress, thus fundamentally controlling the quality of connection of glass and metal, the present invention has the advantages such as simple to operate, environmental protection, working efficiency are high, process stabilizing.
Embodiment 1: the step of present embodiment is as follows: (one) gets the raw materials ready: take by weight percentage the oxidation bismuth meal of 50%, 15% boron oxide powder, the oxide powder and zinc of 15%, the calcium oxide powder of 15% and 5% Ti powder, wherein Ti powder quality purity is 99.90%, and granular size is 400 μm; (2) ball milling: the oxidation bismuth meal weighed up, boron oxide powder, oxide powder and zinc, calcium oxide powder and Ti powder are together loaded in ball grinder, ratio of grinding media to material is 18 ︰ 1, filler ratio is 42%; Be filled with argon gas after vacuumizing, then ball milling is 4 hours, rotating ratio is 200r/min; After ball milling terminates, ball milling ball is taken out namely to obtain and be applied to K9 glass and be connected with titanium metal low temperature.(3) be placed between K9 glass and titanium metal by the bismuthate composite solder containing Ti, the bismuthate composite solder thickness containing Ti is 0.08mm, and under air conditions, be heated to 450 ° of C, soaking time is 90min, takes out after cooling to room temperature with the furnace.(4) sample after taking-up being positioned over voltage is in the bonding in vacuum stove of the DC electric field of 500V, and connecting temperature is 450 ° of C, and Bonding pressure is 25Pa, vacuum tightness 10
-2pa; Soaking time 90min, realizes K9 glass and is effectively connected with titanium metal, cools to room temperature with the furnace and takes out; Rate of heating: 50 ° of C/min, speed of cooling: 20 ° of C/min.
Embodiment 2: the step of present embodiment is as follows: (one) gets the raw materials ready: take by weight percentage the oxidation bismuth meal of 20%, 30% boron oxide powder, the oxide powder and zinc of 30%, the calcium oxide powder of 10% and 10% Ti powder, wherein Ti powder quality purity is 99.95%, and granular size is 100 μm; (2) ball milling: the oxidation bismuth meal weighed up, boron oxide powder, oxide powder and zinc, calcium oxide powder and Ti powder are together loaded in ball grinder, ratio of grinding media to material is 25 ︰ 1, filler ratio is 55%; Be filled with argon gas after vacuumizing, then ball milling is 8 hours, rotating ratio is 250r/min; After ball milling terminates, ball milling ball is taken out namely to obtain and be applied to K9 glass and be connected with titanium metal low temperature.(3) be placed between K9 glass and titanium metal by the bismuthate composite solder containing Ti, the bismuthate composite solder thickness containing Ti is 0.005 ~ 0.5mm, and under air conditions, be heated to 600 ° of C, soaking time is 120min, takes out after cooling to room temperature with the furnace.(4) sample after taking-up being positioned over voltage is in the bonding in vacuum stove of the DC electric field of 700V, and connecting temperature is 600 ° of C, and Bonding pressure is 40Pa, vacuum tightness 10
-2pa; Soaking time 120min, realizes K9 glass and is effectively connected with titanium metal, cools to room temperature with the furnace and takes out; Rate of heating: 50 ° of C/min, speed of cooling: 20 ° of C/min.
Embodiment 3: the step of present embodiment is as follows: (one) gets the raw materials ready: take by weight percentage the oxidation bismuth meal of 98%, 0.5% boron oxide powder, the oxide powder and zinc of 0.5%, the calcium oxide powder of 0.5% and 0.5% Ti powder, wherein Ti powder quality purity is 90%, and granular size is 100 μm; (2) ball milling: the oxidation bismuth meal weighed up, boron oxide powder, oxide powder and zinc, calcium oxide powder and Ti powder are together loaded in ball grinder, ratio of grinding media to material is 10 ︰ 1, filler ratio is 30%; Be filled with argon gas after vacuumizing, then ball milling is 1.1 hours, rotating ratio is 250r/min; After ball milling terminates, ball milling ball is taken out namely to obtain and be applied to K9 glass and be connected with titanium metal low temperature.(3) be placed between K9 glass and titanium metal by the bismuthate composite solder containing Ti, the bismuthate composite solder thickness containing Ti is 0.005 ~ 0.5mm, and under air conditions, be heated to 500 ° of C, soaking time is 120min, takes out after cooling to room temperature with the furnace.(4) sample after taking-up being positioned over voltage is in the bonding in vacuum stove of the DC electric field of 600V, and connecting temperature is 600 ° of C, and Bonding pressure is 40Pa, vacuum tightness 10
-2pa; Soaking time 120min, realizes K9 glass and is effectively connected with titanium metal, cools to room temperature with the furnace and takes out; Rate of heating: 50 ° of C/min, speed of cooling: 20 ° of C/min.
Embodiment 4: the step of present embodiment is as follows: (one) gets the raw materials ready: take by weight percentage the oxidation bismuth meal of 20 ~ 98.5%, 0.5 ~ 30% boron oxide powder, the oxide powder and zinc of 0.5 ~ 30%, the calcium oxide powder of 0.5 ~ 30% and 0.5 ~ 10% Ti powder, wherein Ti powder quality purity is 99 ~ 99.95%, and granular size is 10 ~ 100 μm; (2) ball milling: the oxidation bismuth meal weighed up, boron oxide powder, oxide powder and zinc, calcium oxide powder and Ti powder are together loaded in ball grinder, ratio of grinding media to material is 10 ~ 25 ︰ 1, filler ratio is 30% ~ 55%; Be filled with argon gas after vacuumizing, then ball milling is 1 ~ 8 hour, rotating ratio is 100 ~ 250r/min; After ball milling terminates, ball milling ball is taken out namely to obtain and be applied to K9 glass and be connected with titanium metal low temperature.(3) be placed between K9 glass and titanium metal by the bismuthate composite solder containing Ti, the bismuthate composite solder thickness containing Ti is 0.005 ~ 0.5mm, and under air conditions, be heated to 200 ~ 600 ° of C, soaking time is 0 ~ 120min, takes out after cooling to room temperature with the furnace.(4) sample after taking-up being positioned over voltage is in the bonding in vacuum stove of the DC electric field of 100 ~ 700V, and connecting temperature is 300 ~ 600 ° of C, and Bonding pressure is 5 ~ 40Pa, vacuum tightness 10
-3~ 10
-2pa; Soaking time 0 ~ 120min, realizes K9 glass and is effectively connected with titanium metal, cools to room temperature with the furnace and takes out; Rate of heating: 2 ° of C/min ~ 50 ° C/min, speed of cooling: 1 ° of C/min ~ 20 ° C/min.
Embodiment 4: the step of present embodiment is as follows: (one) gets the raw materials ready: take by weight percentage the oxidation bismuth meal of 40%, 15% boron oxide powder, the oxide powder and zinc of 15%, the calcium oxide powder of 15% and 15% Ti powder, wherein Ti powder quality purity is 99.85%, and granular size is 10 ~ 100 μm; (2) ball milling: the oxidation bismuth meal weighed up, boron oxide powder, oxide powder and zinc, calcium oxide powder and Ti powder are together loaded in ball grinder, ratio of grinding media to material is 10 ~ 25 ︰ 1, filler ratio is 30% ~ 55%; Be filled with argon gas after vacuumizing, then ball milling is 1 ~ 8 hour, rotating ratio is 100 ~ 250r/min; After ball milling terminates, ball milling ball is taken out namely to obtain and be applied to K9 glass and be connected with titanium metal low temperature.(3) be placed between K9 glass and titanium metal by the bismuthate composite solder containing Ti, the bismuthate composite solder thickness containing Ti is 0.005 ~ 0.5mm, and under air conditions, be heated to 200 ~ 600 ° of C, soaking time is 0 ~ 120min, takes out after cooling to room temperature with the furnace.(4) sample after taking-up being positioned over voltage is in the bonding in vacuum stove of the DC electric field of 100 ~ 700V, and connecting temperature is 300 ~ 600 ° of C, and Bonding pressure is 5 ~ 40Pa, vacuum tightness 10
-3~ 10
-2pa; Soaking time 0 ~ 120min, realizes K9 glass and is effectively connected with titanium metal, cools to room temperature with the furnace and takes out; Rate of heating: 2 ° of C/min ~ 50 ° C/min, speed of cooling: 1 ° of C/min ~ 20 ° C/min.
Embodiment 5: the difference of the present embodiment and embodiment 1 is: in step () containing Ti powder bismuthate composite solder by weight percentage by 60% oxidation bismuth meal, 25% boron oxide powder, the oxide powder and zinc of 5%, the calcium oxide powder of 5% and 5% Ti powder form.
Embodiment 6: the difference of the present embodiment and embodiment 1 is: difference to be to be coated in step (three) between K9 glass and titanium metal be 0.05mm containing Ti bismuthate composite solder powder thickness.Embodiment 7: the difference of the present embodiment and embodiment 1 is: the processing condition obtaining composite solder middle layer in step (three) are: Heating temperature: 450 ° of C, soaking time: 30min, rate of heating: 5 ° of C/min ~ 15 ° C/min, speed of cooling: 5 ° of C/min ~ 18 ° C/min.
Embodiment 8: the difference of the present embodiment and embodiment 1 is: step (three) Anodic bonding technology condition is: inert protective gas purity: 99 ~ 99.95%; volts DS is 100 ~ 700V; connecting temperature is 300 ~ 600 ° of C, and Bonding pressure is 5 ~ 40Pa, vacuum tightness 10
-3~ 10
-2pa; Soaking time 0 ~ 120min.Rate of heating: 5 ° of C/min ~ 30 ° C/min, speed of cooling: 1 ° of C/min ~ 15 ° C/min.Other step is identical with embodiment one.
Embodiment 9: the difference of the present embodiment and embodiment 1 is: the middle ratio of grinding media to material of step (two) is 15 ︰ 1, filler ratio is 40%; After being filled with argon gas, intermittent ball milling 4h, rotating speed are 200r/min.
Embodiment 10: the difference of the present embodiment and embodiment 1 is: obtaining solder middle layer condition in step (four) is: Heating temperature: 450 ° of C, soaking time: 15min, rate of heating: 10 ° of C/min, speed of cooling: 8 ° of C/min.
Claims (6)
1. K9 glass and the method for attachment of titanium metal low temperature, is characterized in that step is as follows:
(1), preparation is containing the pulverous composite solder of bismuthate of active element Ti, composite solder mixes by being oxidized bismuth meal, boron oxide powder, oxide powder and zinc, calcium oxide powder and Ti powder, the weight percent of each composition is oxidation bismuth meal 20 ~ 98.5%, boron oxide powder 0.5 ~ 30%, oxide powder and zinc 0.5 ~ 30%, calcium oxide powder 0.5 ~ 30%, Ti powder 0.5 ~ 10%, the weight percent of each composition each and equal 100%, its granularity is 300-600 μm;
(2), then composite solder is placed between titanium metal and K9 glass, the thickness of composite solder is 0.005 ~ 0.50mm, titanium metal, formed between composite solder and K9 glass sandwich assembling, the sample assembled is placed in resistance furnace and is heated to 200 ~ 600 ° of C, soaking time is no more than 30min, cools to room temperature with the furnace;
(3), by sample taking out is placed in bonding in vacuum stove, and bonding in vacuum stove is provided with the DC electric field that voltage is 100 ~ 700V, and temperature is 300 ~ 600 ° of C, and apply perpendicular to the pressure of sample plane is 5 ~ 40Pa simultaneously, vacuum tightness 10
-3~ 10
-2pa; Soaking time is no more than 120min, realizes K9 glass and is effectively connected with titanium metal, cools to room temperature with the furnace and takes out, complete K9 glass and be connected with titanium metal low temperature.
2. a kind of K9 glass according to claim 1 and the method for attachment of titanium metal low temperature, it is characterized in that described oxide powder quality purity is 90 ~ 99.95%, granular size is 1 ~ 100 μm.
3. a kind of K9 glass according to claim 1 and the method for attachment of titanium metal low temperature, is characterized in that composite solder is prepared by following steps:
(1) get the raw materials ready: take oxidation bismuth meal, boron oxide powder, oxide powder and zinc, calcium oxide powder and Ti powder by weight percentage;
(2) ball milling: the oxidation bismuth meal weighed up, boron oxide powder, oxide powder and zinc, calcium oxide powder and Ti powder are together loaded in ball grinder, ratio of grinding media to material is 10 ~ 25 ︰ 1, filler ratio is 30% ~ 55%; Be filled with ball milling after argon gas after vacuumizing, Ball-milling Time is 1 ~ 8h, rotating ratio is 100 ~ 250r/min; After ball milling terminates, ball milling ball taken out and obtain composite solder.
4. a kind of K9 glass according to claim 1 and the method for attachment of titanium metal low temperature, it is 0.05 ~ 0.50mm that the composite solder that it is characterized in that between titanium metal and K9 glass puts thickness.
5. a kind of K9 glass according to claim 1 and the method for attachment of titanium metal low temperature, is characterized in that the sample assembled being placed in resistance furnace is heated to 380 ~ 420 ° of C, and insulation is no more than 18min, cools to room temperature with the furnace.
6. a kind of K9 glass according to claim 1 and the method for attachment of titanium metal low temperature, it is characterized in that bonding in vacuum stove is provided with the DC electric field that voltage is 350V, temperature is 500 ° of C, and apply perpendicular to the pressure of sample plane is 35Pa simultaneously, vacuum tightness 10
-3~ 10
-2pa; Soaking time is 60-80min, realizes K9 glass and is effectively connected with titanium metal, cools to room temperature with the furnace and takes out, complete K9 glass and be connected with titanium metal low temperature.
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| CN201510392749.XA CN104961357B (en) | 2015-07-07 | 2015-07-07 | A kind of K9 glass and titanium law temperature joining method |
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| CN201510392749.XA CN104961357B (en) | 2015-07-07 | 2015-07-07 | A kind of K9 glass and titanium law temperature joining method |
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| CN106007409A (en) * | 2016-07-12 | 2016-10-12 | 牛济泰 | Method for low-temperature melting sealing of device to be packaged and glass insulating terminal and application of method |
| CN108623192A (en) * | 2017-03-23 | 2018-10-09 | 南京理工大学 | A kind of titanium alloy-K9 glass composite joint device and method of based intermediate layer gradient |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106007409A (en) * | 2016-07-12 | 2016-10-12 | 牛济泰 | Method for low-temperature melting sealing of device to be packaged and glass insulating terminal and application of method |
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| CN108623192B (en) * | 2017-03-23 | 2021-04-16 | 南京理工大学 | Titanium alloy-K9 glass composite connection equipment and method based on intermediate layer gradient |
| CN111015020A (en) * | 2018-10-10 | 2020-04-17 | 现代自动车株式会社 | Flux composition for brazing aluminum and method for brazing aluminum using same |
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| US11440143B2 (en) * | 2018-10-10 | 2022-09-13 | Hyundai Motor Company | Flux composition for brazing aluminum and method for brazing aluminum using the same |
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| CN104961357B (en) | 2017-06-27 |
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