CN109202204A - A kind of manufacturing method of dissimilar material honeycomb sandwich construction - Google Patents
A kind of manufacturing method of dissimilar material honeycomb sandwich construction Download PDFInfo
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- CN109202204A CN109202204A CN201711363317.1A CN201711363317A CN109202204A CN 109202204 A CN109202204 A CN 109202204A CN 201711363317 A CN201711363317 A CN 201711363317A CN 109202204 A CN109202204 A CN 109202204A
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- Prior art keywords
- titanium alloy
- stainless steel
- sandwich construction
- core
- honeycomb
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/19—Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
- B23K1/206—Cleaning
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to a kind of manufacturing methods of dissimilar material honeycomb sandwich construction, technical points are: the panel material of the honeycomb sandwich construction is titanium alloy, the cellular-core material of the honeycomb sandwich construction is stainless steel, the foil-like Ag base solder that the vacuum brazing of panel and cellular-core uses with a thickness of 0.1~0.2mm, brazing temperature is 810~835 DEG C, and soaking time is 5~15min.The titanium alloy face being prepared/stainless steel honeycomb core dissimilar material honeycomb sandwich construction is compared with conventional titanium alloy honeycomb sandwich, material cost reduces very much, tensile mechanical properties are suitable, suitable for being applied under low cost environment, structural weight reduction is obvious simultaneously, the advantage of two kinds of materials of titanium alloy and stainless steel in performance and economically has been given full play to, the application range of metal beehive sandwich has been expanded.
Description
Technical field
The present invention relates to a kind of manufacturing methods of dissimilar material honeycomb sandwich construction, belong to Field of Aviation Manufacturing.
Background technique
Honeycomb sandwich construction is made of top panel, cellular-core and lower panel, is usually carried out by the mode for being brazed or being glued
Connection.Compared with the cores sandwich such as foam core and corrugated sheet core, cellular-core sandwich has light weight, than strong
The excellent comprehensive performance such as degree and specific stiffness height, noise reduction, heat-insulated and vibration damping, energy-absorbing, is answered extensively in aeronautical manufacture engineering field
With, such as airframe, rudder aerofoil, engine compartment door, engine nacelle noise reduction sound lining.
Titanium alloy and stainless steel are currently used honeycomb sandwich construction material, the honeycomb interlayer of two kinds of material soldering preparations
Structure all has good structural-load-carrying capacity and applied at elevated temperature performance, has carried out more research work both at home and abroad.W.
Lance Richards using the method that liquid interface is spread be prepared for Ti6Al2Sn4Zr2Mo0.09Si titanium alloy face/
The honeycomb sandwich construction of Ti6Al4V titanium alloy core.Canadian Carleton University Huang. X uses TiNiCu solder brazing system
Standby panel and cellular-core are the honeycomb sandwich construction (The welding journal, 2004) of TC4 titanium alloy.Beijing
Aeronautical manufacture engineering research institute high mountain happiness mountain is prepared for panel using the soldering of TiZrCuNi amorphous filler metal and cellular-core is TC4
The honeycomb sandwich construction (aeronautical manufacture skill, 2009) of titanium alloy.Beijing Aviation manufacturing engineering research institute happiness forces use
Ti37.5Zr15Cu10Ni Non Crystalline Foil is prepared for TC4 titanium alloy face/TA18 titanium alloy core honeycomb interlayer with solder brazing
Structure (aero-manufacturing technology, 2015).M. G. Stout is prepared for panel and core is the metal of 304L stainless steel material
Honeycomb (J. Eng. Mater. Technol., 1986).Zuo Xiao Celadon is prepared for stainless steel using powder metallurgy process and disappears
Sound honeycomb (PM technique, 2006).D. Radford is prepared for panel using Ni base solder brazing and core is
The quadrangle core lattice honeycomb (Transactions of the ASME, 2007) of 304 stainless steel materials.
As it can be seen that panel and core material are when the metal beehives sandwich such as titanium alloy, stainless steel manufacture both at home and abroad at present
Homogeneity or same type material.However, though soldering processes are simple, being convenient for when panel and core material are homogeneity or same type material
Realize the manufacture of honeycomb sandwich construction, but there are certain deficiencies using only homogenous material, with titanium alloy and stainless steel honeycomb
For, it is main insufficient as follows:
(1) titanium alloy material has the excellent performances such as the small, specific strength/rigidity height of density, titanium alloy honeycomb braze-welded structure resultant force
It is good to learn performance.But the price of per kilogram titanium alloy honeycomb foil and solder respectively may be about 10000 yuan and 20000 yuan, price compared with
For valuableness, cause the manufacturing cost of titanium alloy honeycomb sandwich higher, economy is poor, limits titanium conjunction to a certain extent
The application of golden cellular material.
(2) advantages such as stainless steel honeycomb structure has at low cost, and soldering processes are mature, and soldering mechanical property is good.But
Stainless steel density is big, the heavier mass of unit volume honeycomb.
Summary of the invention
It is difficult to take into account the deficiency of performance and cost for the homogeneities honeycomb interlayer braze-welded structure such as current titanium alloy, stainless steel,
The invention proposes a kind of manufacturing methods of dissimilar material honeycomb sandwich construction, substitute titanium alloy using stainless steel honeycomb core
Cellular-core, but how to realize that the high-quality welding of stainless steel honeycomb core and titanium alloy face is key, literature research shows
When titanium alloy and stainless steel directly weld, since solubility of the iron in titanium is extremely low, solubility of the Fe in Ti only has under room temperature
0.05% ~ 0.1% or so, when iron-content is more than 0.1%, it will intermetallic compound TiFe is formed, TiFe phase is hard and crisp,
It also will form intermetallic compound TiFe under high temperature2, meanwhile, titanium also forms more complicated intermetallic compound with Ni, Cr, C
And carbide, make weld seam serious embrittlement, or even crack.In addition, due to steel and titanium alloy linear expansion coefficient, thermal conductivity difference
It is larger, difference is deformed in weld heating and cooling procedure, causes to form biggish internal stress in connector.The a large amount of metals in commissure
Between the presence of compound and high internal stress lead to the poor mechanical property of titanium alloy and the direct welding point of steel.But titanium alloy and steel
When soldering, the presence of one side solder can be played the role of reducing stress, on the other hand can be connect by changing solder to reduce
The production quantity and fractions distribution of head interfacial brittle phase (intermetallic compound), to realize special component and high-precision, highly reliable
The connection of property.It is different from large area " face face " weld interface of usual titanium alloy and stainless steel block plate, titanium alloy face with
The soldering interface of stainless steel core is small area " T-type " interface form of core lattice wall and panel, and solder not only needs to connect panel
With core lattice, filling connection adjacent core lattice wall and core lattice wall are also needed, so that solder additive amount, brazing temperature and soaking time and routine
The soldering of normal titanium alloy and stainless steel block plate is different.Therefore, how titanium alloy face and stainless steel honeycomb core to be realized
The high-quality welding of body, to realize that the manufacture of dissimilar material honeycomb sandwich construction is the key that solve prior art problem.
In order to solve the above-mentioned technical problem, present invention employs following technical solutions:
A kind of manufacturing method of dissimilar material honeycomb sandwich construction, it is characterised in that: the panel material of the honeycomb sandwich construction
For titanium alloy, the cellular-core material of the honeycomb sandwich construction is stainless steel, and the vacuum brazing of panel and cellular-core uses
With a thickness of the foil-like Ag base solder of 0.1~0.2mm, brazing temperature is 810~835 DEG C, and soaking time is 5~15min.
Further, described method includes following steps:
(1) by the cleaning of soldering side surface and cleaning of titanium alloy face；
(2) stainless steel honeycomb core is cleaned；
(3) foil-like Ag base solder is arranged in the soldering side surface of titanium alloy face；
(4) titanium alloy face and stainless steel honeycomb core are assembled；
(5) titanium alloy face assembled and stainless steel honeycomb core are put into vacuum drying oven and carry out vacuum brazing, brazing temperature is
810~835 DEG C, soaking time is 5~15min；
(6) titanium alloy face/stainless steel honeycomb core dissimilar material honeycomb sandwich construction is prepared.
Further, the assembly interface gap of the titanium alloy face and stainless steel honeycomb core is less than 0.1mm.
The titanium alloy face being prepared/stainless steel honeycomb core dissimilar material honeycomb sandwich construction and conventional titanium alloy bee
Nest sandwich is compared, and material cost reduces about 60%, and tensile mechanical properties are suitable, suitable for applying under low cost environment；Together
When, titanium alloy face/stainless steel honeycomb core dissimilar material honeycomb sandwich construction compared with conventional stainless steel honeycomb sandwich,
Structural weight reduction about 40%, improved honeycomb sandwich construction can give full play to two kinds of materials of titanium alloy and stainless steel in performance and warp
Advantage in Ji, has expanded the application range of metal beehive sandwich, and this method is equally applicable to other dissimilar material honeycombs
The manufacture of structure.
Specific embodiment
A kind of manufacturing method of dissimilar material honeycomb sandwich construction of the invention is made into one combined with specific embodiments below
Step illustrates, but protection content of the invention is not limited to following embodiment.
Embodiment 1
The manufacture of titanium alloy face/stainless steel honeycomb core dissimilar material honeycomb sandwich construction
Material: panel is 0.6mm thickness TC4 plate；Cellular-core material is 304 stainless steels, regular hexagon honeycomb core lattice distribution, bee
Nest core lattice wall thickness 0.1mm, core height 5mm, core lattice size 8.0mm；
The solder of vacuum brazing is Ag base solder, solder thickness 0.1-0.2mm.
Specific steps include:
(1) by the cleaning of soldering side surface and cleaning of titanium alloy face；
(2) stainless steel honeycomb core is cleaned；
(3) foil-like Ag base solder is arranged in titanium alloy face soldering side surface；
(4) titanium alloy face and stainless steel core are assembled, interfacial gap is less than 0.1mm；
(5) titanium alloy face assembled and stainless steel honeycomb core are put into vacuum drying oven and carry out vacuum brazing, brazing temperature
830 DEG C, soaking time 10min；
(6) titanium alloy face/stainless steel honeycomb core dissimilar material honeycomb sandwich construction is prepared.
Ultrasonic non-destructive is carried out to the titanium alloy face being prepared/stainless steel honeycomb core dissimilar material honeycomb sandwich construction
Detection, does not find that non-soldering defect, interfacial weld rate are good.
After non-destructive testing, the Mechanics Performance Testing sample of machining dimension 50mm × 50mm carries out tensile mechanical properties survey
Examination.It is cellular-core position that honeycomb, which destroys position, and interface soldering strength is preferable, obtained TC4 titanium alloy/304 stainless steel honeycombs
The tensile strength test results that core dissimilar material is brazed honeycomb sandwich construction are as shown in table 1, and tensile strength mean value is
10.35MPa。
Table 1
。
Claims (3)
1. a kind of manufacturing method of dissimilar material honeycomb sandwich construction, it is characterised in that: the panel material of the honeycomb sandwich construction
Material is titanium alloy, and the cellular-core material of the honeycomb sandwich construction is stainless steel, and the vacuum brazing of panel and cellular-core is adopted
With the foil-like Ag base solder with a thickness of 0.1~0.2mm, brazing temperature is 810~835 DEG C, and soaking time is 5~15min.
2. a kind of manufacturing method of dissimilar material honeycomb sandwich construction according to claim 1, it is characterised in that: the side
Method includes the following steps:
(1) by the cleaning of soldering side surface and cleaning of titanium alloy face；
(2) stainless steel honeycomb core is cleaned；
(3) foil-like g base solder is arranged in the soldering side surface of titanium alloy face；
(4) titanium alloy face and stainless steel honeycomb core are assembled；
(5) titanium alloy face assembled and stainless steel honeycomb core are put into vacuum drying oven and carry out vacuum brazing, brazing temperature is
810~835 DEG C, soaking time is 5~15min；
(6) titanium alloy face/stainless steel honeycomb core dissimilar material honeycomb sandwich construction is prepared.
3. a kind of manufacturing method of dissimilar material honeycomb sandwich construction according to claim 2, it is characterised in that: the titanium
The assembly interface gap of alloy panel and stainless steel honeycomb core is less than 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363317.1A CN109202204A (en) | 2017-12-18 | 2017-12-18 | A kind of manufacturing method of dissimilar material honeycomb sandwich construction |
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| CN201711363317.1A CN109202204A (en) | 2017-12-18 | 2017-12-18 | A kind of manufacturing method of dissimilar material honeycomb sandwich construction |
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| CN109202204A true CN109202204A (en) | 2019-01-15 |
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| CN201711363317.1A Pending CN109202204A (en) | 2017-12-18 | 2017-12-18 | A kind of manufacturing method of dissimilar material honeycomb sandwich construction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147107A (en) * | 2021-03-09 | 2021-07-23 | 哈尔滨工业大学（威海） | Honeycomb sandwich structure formed by C/C composite material and alloy and preparation method thereof |
| CN113145962A (en) * | 2021-03-09 | 2021-07-23 | 哈尔滨工业大学（威海） | Heterogeneous metal material honeycomb sandwich structure and preparation method thereof |
Citations (4)
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|---|---|---|---|---|
| CN1259067A (en) * | 1997-06-13 | 2000-07-05 | 发射技术有限公司 | Method for producing a metallic honeycomb element by means of a gas permeable soldering foil |
| JP2002219759A (en) * | 2000-11-27 | 2002-08-06 | Sumitomo Metal Ind Ltd | Honeycomb panel |
| CN103612433A (en) * | 2013-09-29 | 2014-03-05 | 魏玲 | Metal honeycomb material used in aerospace and aircraft separation layer, and preparation method thereof |
| CN107199439A (en) * | 2017-05-18 | 2017-09-26 | 西安交通大学 | A kind of square honeycomb sandwich construction and preparation method thereof |
-
2017
- 2017-12-18 CN CN201711363317.1A patent/CN109202204A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1259067A (en) * | 1997-06-13 | 2000-07-05 | 发射技术有限公司 | Method for producing a metallic honeycomb element by means of a gas permeable soldering foil |
| JP2002219759A (en) * | 2000-11-27 | 2002-08-06 | Sumitomo Metal Ind Ltd | Honeycomb panel |
| CN103612433A (en) * | 2013-09-29 | 2014-03-05 | 魏玲 | Metal honeycomb material used in aerospace and aircraft separation layer, and preparation method thereof |
| CN107199439A (en) * | 2017-05-18 | 2017-09-26 | 西安交通大学 | A kind of square honeycomb sandwich construction and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 朱艳: "《钎焊》", 30 November 2012, 哈尔滨工业大学出版社 * |
| 陕西省考古研究院: "《汉唐墓葬壁画保护与修复》", 30 April 2010, 三秦出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147107A (en) * | 2021-03-09 | 2021-07-23 | 哈尔滨工业大学（威海） | Honeycomb sandwich structure formed by C/C composite material and alloy and preparation method thereof |
| CN113145962A (en) * | 2021-03-09 | 2021-07-23 | 哈尔滨工业大学（威海） | Heterogeneous metal material honeycomb sandwich structure and preparation method thereof |
| CN113145962B (en) * | 2021-03-09 | 2022-12-06 | 哈尔滨工业大学（威海） | Heterogeneous metal material honeycomb sandwich structure and preparation method thereof |
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Application publication date: 20190115 |