CN105834540B - A kind of method of Ti-Ni high-temp solder soldering TZM alloy - Google Patents
A kind of method of Ti-Ni high-temp solder soldering TZM alloy Download PDFInfo
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- CN105834540B CN105834540B CN201610348402.XA CN201610348402A CN105834540B CN 105834540 B CN105834540 B CN 105834540B CN 201610348402 A CN201610348402 A CN 201610348402A CN 105834540 B CN105834540 B CN 105834540B
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- solder
- tzm alloy
- paillon
- temperature
- alloy
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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
- B23K1/008—Soldering within a furnace
-
- 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
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3033—Ni as the principal constituent
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
Abstract
The invention discloses a kind of methods of Ti-Ni high-temp solder soldering TZM alloy, it has been provided in particular in a kind of Ti-Ni high-temp solder for being suitble to be brazed TZM alloy under vacuum conditions, it is made of Ti and Ni, the present invention solves the problems such as TZM alloy brazed connector obtained using silver-base solder is low, oxidizable, poor mechanical property and the prices of raw materials are expensive using temperature, method particularly includes: solder alloy ingot is prepared by weight Ti weighed (foil) and Ni (foils), and is processed into paillon with wire cutting machine and polishes；The polishing of TZM alloy welding surface is smooth；Solder and TZM alloy sample to be welded are cleaned by ultrasonic with acetone soln；Assemble solder paillon and TZM alloy；Component is put into vacuum brazing furnace, heating soldering is carried out.Production method of the present invention is easy, and the TZM alloy brazed shearing strength of joint of acquisition has good application value up to 121MPa.
Description
Technical field
The present invention relates to method for welding, and in particular to a kind of method of Ti-Ni high-temp solder soldering TZM alloy.
Background technique
The ingredient (wt%) of TZM alloy is Ti 0.4% ~ 0.55% Zr 0.06% ~ 0.12% and C 0.01% ~ 0.04%, remaining
Amount is Mo, and recrystallization temperature is between 1200 DEG C ~ 1350 DEG C.TZM alloy has fusing point high, and thermal expansion coefficient is small, thermally conductive and lead
Excellent electrical property, wear resistance and corrosion resistance are strong, good thermal shock resistance and mechanical performance etc., in metallurgy, change
It learns and intermetallic composite coating, aviation field and nuclear industry, the fields such as electronics industry and war industry is widely applied.
Studies have shown that the welding techniques such as electron beam welding, laser welding, fusion welding, agitating friction weldering and soldering are
It is successfully applied to the connection of TZM alloy and other materials, and obtains welding point of good performance.Wherein soldering tech has essence
Degree is high, welding stress and distortion is smaller, on scantling and shape wide adaptability, etc. small on the influence of the physical and chemical performance of base material
Feature is more applicable for the TZM alloy component that connection structure is complicated, required precision is high.About the soldering of TZM alloy, both at home and abroad
What is mostly used in the research of scholar is silver-base solder, forms a large amount of intermetallic compound in welding point, leads to connector mechanics
Reduced performance；Weld pipe mill region is mainly Fu Yinxiang simultaneously, so that TZM alloy components are difficult to apply under high temperature environment, connector
Rotproofness can also be declined；In view of brazing filler metal cost problem also unsuitable volume production, TZM alloy is further limited in the industry
Further apply.
The applicant is directed to TZM alloy high-temp environmental applications feature, and TiNi solder is selected to carry out soldering company to TZM alloy
It connects.
Summary of the invention
The invention solves above-mentioned the deficiencies in the prior art, the high-temperature behavior for making full use of TZM alloy excellent is further mentioned
High TZM alloy is applied in a high temperauture environment, provides a kind of method of Ti-Ni high-temp solder soldering TZM alloy.
The technical scheme adopted by the invention is that: provide a kind of method of Ti-Ni high-temp solder soldering TZM alloy, tool
Steps are as follows for body:
Step 1: weighing the Ni that parts by weight are 60 ~ 70 parts and the Ti that parts by weight are 30 ~ 40 parts, it is packed into electric arc melting
Equipment is smelted into alloy pig, and the Ti-Ni solder paillon of 0.1mm thickness is made；
Step 2: TZM alloy specimen surface to be welded is successively polished on the SiC sand paper of 500 mesh, 800 mesh and 1200 mesh
To surface-brightening；
Step 3: the TZM alloy sample that will be prepared in the Ti-Ni solder paillon and step 2 that are prepared in step 1
It is put into acetone soln, is dried for use after being cleaned by ultrasonic 15min；
Step 4: by TZM alloy sample and paillon solder after cleaning, according to TZM alloy/, Ti-Ni solder paillon/,
The sequence of TZM alloy is successively assembled, meanwhile, the assembling pressure of 2kPa is loaded, guarantees that component is in close contact；
Step 5: the component to be welded assembled is put into vacuum brazing furnace, when vacuum degree is higher than 5.0 × 10-3After Pa, open
Begin to heat, temperature-rise period: is warming up to 500 DEG C from room temperature with the rate of 10 DEG C/min；It is warming up to again with the rate of 20 DEG C/min
1000 DEG C, keep the temperature 10min；1200 DEG C ~ 1380 DEG C of brazing temperature then are continuously heating to the rate of 10 DEG C/min, heat preservation does not surpass
Cross 40min；Temperature-fall period: being cooled to 400 DEG C with the rate of 5 DEG C/min, cools to room temperature with the furnace later, completes to apply Ti-Ni
The method of solder vacuum brazing TZM alloy.
Further, Ni and 32 ~ 36 part of the Ti group that TiNi high-temp solder of the present invention is 64 ~ 68 parts by parts by weight
At；More preferably it is made of Ni and 34.5 part of the Ti that parts by weight are 65.5 parts.
Further, the fusion temperature of solder of the present invention is 1118 DEG C ~ 1300 DEG C, brazing temperature 1200 DEG C ~ 1380
DEG C, soaking time is no more than 40min.
Further, it is furthermore preferred that brazing temperature of the present invention is 1220 DEG C or 1240 DEG C or 1260 DEG C or 1280 DEG C.
Further, the shape of silk or paillon can be used not less than 99.5%, Ti and Ni for Ti the and Ni purity that the present invention uses
State is prepared and is polished surface scale before solder with sand paper.
Further, the preparation method of Ti-Ni solder is specifically to follow the steps below in step 1 of the present invention: a, general
The Ti and Ni weighed up is put into vacuum melting furnace crucible；B, 5.0 × 10 are evacuated down to-3It is filled with argon gas after Pa, passes through in crucible
Obtain solder alloy ingot electric arc melt back 7 ~ 8 times；C, solder ingot is processed into width with wire cutting machine is 5 ~ 6mm, with a thickness of
The paillon of 0.5 ~ 0.6mm, with the SiC sand paper of 1000 mesh polish the paillon tow sides to thickness [k2] be 0.1mm paillon.
Further, the brazing temperature in the present invention is more preferably 1240 DEG C, soaking time 10min.
The present invention has the advantages that Ti base and Ni base solder have more use value, production method compared to Ag base solder
Compare easy；Ti and Mo can be infinitely dissolved, and TiNi solder is good for TZM Alloy Wetting, while add Ni element to press down
Solder processed is at high temperature to the excessive corrode of base material；TiNi high-temp solder fusing point is high, the connector high temperature resistance obtained after soldering
Well, it has been effectively maintained the high-temperature behavior of TZM alloy；The TZM alloy brazed shearing strength of joint of acquisition is up to 121MPa, tool
There is good application value.
Detailed description of the invention
Fig. 1 is soldered fitting installation diagram.
Fig. 2 is the Ti-65.5Ni solder microstructure picture of test preparation.
Fig. 3 brazing temperature is 1240 DEG C, and the Interface Microstructure photo of TZM alloy brazed connector is obtained when soaking time 10min.
Specific embodiment
The following further describes the present invention with reference to the drawings:
A kind of method of Ti-Ni high-temp solder soldering TZM alloy, it is characterised in that provide one kind and be suitble in vacuum environment
The Ti-Ni high-temp solder of lower soldering TZM alloy, is made of Ti and Ni.
Specific embodiment 1:
Step 1: weighing 30 ~ 40 parts of Ti silk (foil) and 60 ~ 70 parts of Ni silk (foil), it is put into vacuum melting furnace crucible；
It is evacuated down to 5.0 × 10-3It is filled with argon gas after Pa, obtains solder alloy ingot by electric arc melt back 7 ~ 8 times in crucible；By pricker
Expect ingot wire cutting machine cutting at width be 5 ~ 6mm, with a thickness of the paillon of 0.5 ~ 0.6mm, and with SiC sand paper be polishing to a thickness of
The Ti-Ni of 0.1mm is brazed paillon；
Step 2: TZM alloy specimen surface to be welded is successively polished on the SiC sand paper of 500 mesh, 800 mesh and 1200 mesh
To surface-brightening；
Step 3: ready Ti-Ni soldering paillon and TZM alloy sample are put into acetone soln, it is cleaned by ultrasonic
It is dried after 15min stand-by；
Step 4: by TZM alloy sample and paillon solder after cleaning, according to TZM alloy/, TiNi solder paillon/,
The sequence of TZM alloy is successively assembled from top to down as shown in Figure 1.Meanwhile the assembling pressure of 2KPa is loaded, guarantee that component closely connects
Touching；
Step 5: the component to be welded assembled is put into vacuum brazing furnace, when vacuum degree is higher than 5.0 × 10-3After Pa, open
Begin to heat.500 DEG C are warming up to from room temperature with the rate of 10 DEG C/min；1000 DEG C are warming up to the rate of 20 DEG C/min again, heat preservation
10min；1200 DEG C ~ 1380 DEG C of brazing temperature then are continuously heating to the rate of 10 DEG C/min, heat preservation is no more than 40min；Drop
400 DEG C are cooled to the rate of 5 DEG C/min during temperature, cools to room temperature with the furnace later.It completes to apply TiNi solder vacuum pricker
The method for welding TZM alloy.
Specific embodiment 2:
Step 1: weighing 34.5 parts of Ti silk (foil) and 65.5 parts of Ni silk (foil), it is put into vacuum melting furnace crucible；It takes out
Vacuum is to 5.0 × 10-3It is filled with argon gas after Pa, obtains solder alloy ingot by electric arc melt back 7 ~ 8 times in crucible；By solder
Ingot wire cutting machine cutting is 5 ~ 6mm at width, with a thickness of the paillon of 0.5 ~ 0.6mm, and is polishing to thickness with SiC sand paper and is about
0.1mm；
Step 2: TZM alloy specimen surface to be welded is successively polished on the SiC sand paper of 500 mesh, 800 mesh and 1200 mesh
To surface-brightening；
Step 3: ready paillon and TZM alloy sample are put into acetone soln, dry in the air after being cleaned by ultrasonic 15min
It is dry stand-by；
Step 4: by TZM alloy sample and paillon solder after cleaning, according to TZM alloy/TiNi solder paillon/TZM
The assembled in sequence of alloy.Meanwhile the assembling pressure of 2KPa is loaded, guarantee that component is in close contact；
Step 5: the component to be welded that graphite block is pressed is put into vacuum brazing furnace, when vacuum degree is lower than 5.0 × 10-3Pa
Afterwards, it begins to warm up.500 DEG C are warming up to from room temperature with the rate of 10 DEG C/min；1000 DEG C are warming up to the rate of 20 DEG C/min again,
Keep the temperature 10min；Brazing temperature is then continuously heating to as 1240 DEG C with the rate of 10 DEG C/min, is kept the temperature as 10min；Heat preservation terminates
400 DEG C are cooled to the rate of 5 DEG C/min afterwards, cools to room temperature with the furnace later.It completes to close using TiNi solder vacuum brazing TZM
The method gold of gold.
Production method of the present invention is easy, and the TZM alloy brazed connector high temperature resistance of acquisition is good, and shear strength is reachable
121MPa has good application value.
Claims (5)
1. a kind of method of Ti-Ni high-temp solder soldering TZM alloy, it is characterised in that using Ti-Ni high-temp solder in vacuum ring
TZM alloy is brazed under border, the specific steps are as follows:
Step 1: weighing Ni silk/foil that parts by weight are 64 ~ 68 parts, 32 ~ 36 parts of Ti silk/foil is packed into electric arc melting and sets
It is standby, it is smelted into alloy pig, Ti-Ni solder paillon is made, the purity of Ti/foil and Ni/foil is not less than 99.5%, prepares solder
Preceding sand paper polishing surface scale, preparation step are as follows: the Ti weighed up silk/foil and Ni/foil a, are put into vacuum melting furnace earthenware
In crucible；B, it is filled with argon gas after being evacuated down to 5.0 × 10-3 Pa, is closed in crucible by electric arc melt back 7 ~ 8 times
Gold brazing filler metal ingot；C, solder ingot is processed into width with wire cutting machine is 5 ~ 6mm, with a thickness of the paillon of 0.5 ~ 0.6mm, is used
SiC sand paper polishes the paillon tow sides extremely with a thickness of the paillon of 0.1mm；
Step 2: TZM alloy specimen surface to be welded is successively polishing to table on the SiC sand paper of 500 mesh, 800 mesh and 1200 mesh
Face is bright；
Step 3: the TZM alloy sample prepared in the Ti-Ni high-temp solder paillon and step 2 that prepare in step 1 is put
Enter in acetone soln, is dried for use after being cleaned by ultrasonic 15min；
Step 4: by TZM alloy sample and Ti-Ni high-temp solder paillon after cleaning, according to TZM alloy, Ti-Ni high temperature pricker
Material paillon, TZM alloy sequence successively assembled, meanwhile, load the assembling pressure of 2kPa, guarantee component close contact；
Step 5: the component to be welded assembled is put into vacuum brazing furnace, when vacuum degree is higher than 5.0 × 10-3After Pa, start
Heating, temperature-rise period: is warming up to 500 DEG C first from room temperature with the rate of 10 DEG C/min；It is heated up again with the rate of 20 DEG C/min
To 1000 DEG C, 10min is kept the temperature；1200 DEG C ~ 1380 DEG C of brazing temperature then are continuously heating to the rate of 10 DEG C/min, heat preservation
No more than 40min；Temperature-fall period: being cooled to 400 DEG C with the rate of 5 DEG C/min, cools to room temperature with the furnace later, completes application
The method of Ti-Ni solder vacuum brazing TZM alloy.
2. a kind of method of Ti-Ni high-temp solder soldering TZM alloy according to claim 1, it is characterised in that described
Ni silk/the foil and 34.5 parts of Ti silk/foil that Ti-Ni high-temp solder is 65.5 parts by parts by weight form.
3. according to claim 1 or a kind of method of Ti-Ni high-temp solder as claimed in claim 2 soldering TZM alloy, feature
The fusion temperature for being solder is 1118 DEG C ~ 1300 DEG C, and 1200 DEG C ~ 1380 DEG C of brazing temperature, soaking time is no more than
40min。
4. a kind of method of Ti-Ni high-temp solder soldering TZM alloy according to claim 3, it is characterised in that described
Brazing temperature is 1220 DEG C or 1240 DEG C or 1260 DEG C or 1280 DEG C.
5. according to claim 1 or a kind of method of Ti-Ni high-temp solder as claimed in claim 2 soldering TZM alloy, feature
It is in step 5, brazing temperature is 1240 DEG C, soaking time 10mi.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610348402.XA CN105834540B (en) | 2016-05-24 | 2016-05-24 | A kind of method of Ti-Ni high-temp solder soldering TZM alloy |
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| CN105834540B true CN105834540B (en) | 2019-02-12 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106271011B (en) * | 2016-09-12 | 2019-01-18 | 西北工业大学 | The solid-state bonding process of gamma-TiAl alloy and TC17 alloy |
| CN109926678B (en) * | 2017-12-18 | 2021-12-31 | 天津大学 | Method for metallurgically connecting high-temperature alloy by liquid film |
| CN113588378B (en) * | 2021-08-26 | 2022-08-23 | 华东理工大学 | Preparation and calculation method of brazed joint fracture toughness sample |
| CN114260614A (en) * | 2021-12-22 | 2022-04-01 | 合肥工业大学 | Ti-Cr brazing filler metal of TZM alloy/graphite and brazing process thereof |
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