CN105499735B - A kind of method that Ti60 and TiBw/TC4 is connected using TiZrNiCu+B composite solderings - Google Patents

A kind of method that Ti60 and TiBw/TC4 is connected using TiZrNiCu+B composite solderings Download PDF

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Publication number
CN105499735B
CN105499735B CN201610092721.9A CN201610092721A CN105499735B CN 105499735 B CN105499735 B CN 105499735B CN 201610092721 A CN201610092721 A CN 201610092721A CN 105499735 B CN105499735 B CN 105499735B
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tizrnicu
tibw
composite
composites
tib
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CN105499735A (en
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宋晓国
张特
付伟
刘多
胡胜鹏
曹健
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Harbin Institute of Technology Weihai
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Harbin Institute of Technology Weihai
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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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/16—Composite materials, e.g. fibre reinforced

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Ceramic Products (AREA)
  • Powder Metallurgy (AREA)

Abstract

The present invention relates to one kind using TiZrNiCu+B composite solderings connection Ti60 and TiBw/ TC4 method, first by Ti60 and TiBw/ TC4 is machined to obtain the sample of suitable dimension, the Ti60 and TiB to be connected that will be obtainedw/ TC4 joint face, which is put into acetone soln, to be cleaned by ultrasonic；TiZrNiCu+B powdered filler metals are placed in Ti60 and TiB to be connectedwBetween/TC4 joint face, Ti60/TiZrNiCu+B/TiB is assembled intowThe assembly parts that/TC4 is sequentially overlapped；The assembly parts then obtained are placed in vacuum furnace, are vacuumized, then electrified regulation, then cooling.The present invention uses TiZrNiCu+B composite solderings, and by high temperature brazing process, with B element reaction in-situ generation TiB reinforcements occur for Ti elements, enhance brazed seam bonding strength.

Description

One kind is using TiZrNiCu+B composite solderings connection Ti60 and TiBw/ TC4 method
Technical field
The present invention relates to the high intensity company that soldered fitting is realized in the exploitation of a kind of composite soldering and being applied in soldering Connect, it is specifically a kind of using TiZrNiCu+B composite solderings connection Ti60 and TiBwThe method of/TC4 composites.
Background technology
It is known that compared to conventional solder, composite soldering has the advantage of the following aspects.First, due to addition It is big to strengthen phase fusing point height, intensity, can play a part of strengthening solder intensity by complex effect；Second, in brazing process Enhancing is mutually and non-fusible, and it forms the frame structure with capillarity in weld seam, beneficial to carrying for solder wetting spreading ability Rise；Third, because the thermal coefficient of expansion for adding phase is much lower typically compared with solder, so the addition of addition phase can be reduced significantly The thermal coefficient of expansion of solder system, so as to the alleviation of residual thermal stress in the head that achieves a butt joint, lifting sub mechanical property.
Although composite soldering has the advantages of many conventional solders are incomparable, because the enhancing of particle or threadiness mutually exists Prepared before being added into solder, strengthening the size of phase in FS final spice will be limited by initial granularity, usually micro- Meter level even grade.In addition, also mutually easily produced within a fitting between segregation, enhancing phase and matrix in the presence of the enhancing directly added It is not easy to soak, the problems such as production cost is higher.
In-situ authigenic technology is by controlling the chemistry in mix powder between element and element anti-in brazing process Answer and the growth of melt, in-situ preparation strengthen phase, matrix material is strengthened so as to realize.Due in the enhancing phase of reaction synthesis It is born in matrix, not only enhancing mutually has preferable compatibility between matrix, and also avoid the pollution of additional enhancing phase Chemical reaction problem between problem and enhancing phase and basal body interface.And the size of in-situ authigenic enhancing phase can be by soldering processes Control, being evenly distributed in the base.TiB whiskers are a kind of promising enhancings of very tool that can be synthesized by in-situ authigenic Phase, it is at present, also less on its application in soldering, very with researching value.
The content of the invention
The technical problems to be solved by the invention are for overcome the deficiencies in the prior art, there is provided a kind of technique is simple, adopts With TiZrNiCu+B composite solderings, the method that Ti60 is reliably connected with TiBw/TC4 composites is realized.
Technical scheme is used by the present invention solves above-mentioned technical problem：One kind is connected using TiZrNiCu+B composite solderings The method for meeting Ti60 and TiBw/TC4, it is characterised in that step is as follows：
（One）, Ti60 and TiBw/TC4 composites are machined, obtain Ti60 and TiBw/TC4 to be connected Composite；
（Two）, by step（One）Obtained Ti60 to be connected and TiBw/TC4 composites joint face are beaten using sand paper Polished after mill, then Ti60 and TiBw/TC4 composites joint face are put into ultrasonic cleaning 5min ~ 30min in acetone soln；
（Three）, TiZrNiCu+B composite solderings are uniformly laid on to Ti60 to be connected and TiBw/TC4 composites connection Between face, the assembly parts that Ti60/TiZrNiCu+B composite solderings/TiBw/TC4 composites are sequentially overlapped are assembled into；Wherein It is 50 ~ 100 μm to control TiZrNiCu+B composite solderings powder layer thickness；In the TiZrNiCu+B composite solderings B content be 0.5% ~ 3%；
（Four）By step（Three）Obtained assembly parts are placed in vacuum furnace, are vacuumized, when vacuum reaches (1.3 ~ 2.0)×10-5During Pa, then electrified regulation, it is 10 ~ 30 DEG C/min to control programming rate, is warming up to 900 DEG C ~ 1060 DEG C, then It is incubated as 0min ~ 30min, then cools down, it is 3 DEG C/min ~ 10 DEG C/min to control cooling velocity, after being cooled to 600 DEG C, then with stove Cooling, that is, complete the soldering connection using TiZrNiCu+B composite solderings to Ti60 and TiBw/TC4.
Further, the step（Two）The time of middle ultrasonic cleaning is 15min.
Further, B content is 1% ~ 2% in the TiZrNiCu+B composite solderings.
Further, the step（Four）Middle vacuum furnace vacuum reaches 1.5 × 10-5During Pa, then electrified regulation, control Programming rate processed is 10 DEG C/min, is warming up to 940 DEG C, soaking time 10min, cooling velocity is 5 DEG C/min.
The present invention uses above-mentioned technical proposal, can realize Ti60 and TiBw/TC4 composite joints connection.First, The element reaction such as Ti and Zr, Ni and Cu forms compound, realizes metallurgical connection；Secondly, active element Ti reacts at high temperature with B TiB whisker reinforcement phases are generated, improve the mechanical property of joint to a certain extent, B powder is added particularly in solder and is passed through The relative brazed seam of reaction in-situ generation enhancing plays humidification.By controlling brazing temperature (900 DEG C ~ 1060 DEG C) and soaking time (0min ~ 30min), how many to TiB synthetic quantities and conversion zone distribution control is realized, and then control the micro- of soldered fitting Microstructure and mechanical property, it is successfully realized Ti60 and TiBwThe connection of/TC4 composites, the joint of acquisition is completely fine and close, and nothing is split The defects of line, after tested, the room temperature average shear strength of joint, reach 368.8MPa, and present invention is mainly applied to by reduced size Or the Ti60 and TiB of simple shapew/ TC4 composite material parts connect, to obtain large-size or complex-shaped structure Part, the shear strength of soldered fitting can be effectively improved, there is great application prospect.
Embodiment
With reference to embodiment, the invention will be further described.Technical solution of the present invention is not limited to act set forth below Embodiment, in addition to any combination between each embodiment.
Embodiment 1：
A kind of method that Ti60 and TiBw/TC4 is connected using TiZrNiCu+B composite solderings, its step are as follows：
（One）, Ti60 and TiBw/TC4 composites are machined, obtain Ti60 and TiBw/TC4 to be connected Composite；
（Two）, by step（One）Obtained Ti60 to be connected and TiBw/TC4 composites joint face are beaten using sand paper Polished after mill, then Ti60 and TiBw/TC4 composites joint face are put into acetone soln and are cleaned by ultrasonic 5min；
（Three）, TiZrNiCu+B composite solderings are uniformly laid on to Ti60 to be connected and TiBw/TC4 composites connection Between face, the assembly parts that Ti60/TiZrNiCu+B composite solderings/TiBw/TC4 composites are sequentially overlapped are assembled into；Wherein It is 50 μm to control TiZrNiCu+B composite solderings powder layer thickness；B content is 0.5% in the TiZrNiCu+B composite solderings；
（Four）By step（Three）Obtained assembly parts are placed in vacuum furnace, are vacuumized, when vacuum reaches (1.3 ~ 2.0)×10-5During Pa, then electrified regulation, it is 30 DEG C/min to control programming rate, is warming up to 900 DEG C, and then insulation is 30min, then cool down, it is 10 DEG C/min to control cooling velocity, after being cooled to 600 DEG C, then furnace cooling, that is, complete to use Soldering connection of the TiZrNiCu+B composite solderings to Ti60 and TiBw/TC4.
The present invention can realize Ti60 and TiBwThe connection of/TC4 composite joints, by controlling brazing temperature and insulation Time, and the control of conversion zone distribution how many to the TiB crystal whisker-shapeds enhancing amount of being combined to is realized, and then control the aobvious of soldered fitting Micro-assembly robot and performance, are successfully realized Ti60 and TiBwThe connection of/TC4 composites.
Embodiment 2：
A kind of method that Ti60 and TiBw/TC4 is connected using TiZrNiCu+B composite solderings, its step are as follows：
（One）, Ti60 and TiBw/TC4 composites are machined, obtain Ti60 and TiBw/TC4 to be connected Composite；
（Two）, by step（One）Obtained Ti60 to be connected and TiBw/TC4 composites joint face are beaten using sand paper Polished after mill, then Ti60 and TiBw/TC4 composites joint face are put into acetone soln and are cleaned by ultrasonic 30min；
（Three）, TiZrNiCu+B composite solderings are uniformly laid on to Ti60 to be connected and TiBw/TC4 composites connection Between face, the assembly parts that Ti60/TiZrNiCu+B composite solderings/TiBw/TC4 composites are sequentially overlapped are assembled into；Wherein It is 100 μm to control TiZrNiCu+B composite solderings powder layer thickness；B content is 3% in the TiZrNiCu+B composite solderings；
（Four）By step（Three）Obtained assembly parts are placed in vacuum furnace, are vacuumized, when vacuum reaches 1.3 × 10-5During Pa, then electrified regulation, it is 10 ~ 30 DEG C/min to control programming rate, is warming up to 1060 DEG C, and then insulation is 0min, Cool down again, it is 3 DEG C/min to control cooling velocity, after being cooled to 600 DEG C, then furnace cooling, that is, complete to answer using TiZrNiCu+B Close soldering connection of the solder to Ti60 and TiBw/TC4.
Embodiment 3：
A kind of method that Ti60 and TiBw/TC4 is connected using TiZrNiCu+B composite solderings, its step are as follows：
（One）, Ti60 and TiBw/TC4 composites are machined, obtain Ti60 and TiBw/TC4 to be connected Composite；
（Two）, by step（One）Obtained Ti60 to be connected and TiBw/TC4 composites joint face are beaten using sand paper Polished after mill, then Ti60 and TiBw/TC4 composites joint face are put into acetone soln and are cleaned by ultrasonic 15min；
（Three）, TiZrNiCu+B composite solderings are uniformly laid on to Ti60 to be connected and TiBw/TC4 composites connection Between face, the assembly parts that Ti60/TiZrNiCu+B composite solderings/TiBw/TC4 composites are sequentially overlapped are assembled into；Wherein It is 70 μm to control TiZrNiCu+B composite solderings powder layer thickness；B content is 1% in the TiZrNiCu+B composite solderings；
（Four）By step（Three）Obtained assembly parts are placed in vacuum furnace, are vacuumized, when vacuum reaches 1.5 × 10-5During Pa, then electrified regulation, it is 10 DEG C/min to control programming rate, is warming up to 940 DEG C, and then insulation is 10min, then cold But, it is 5 DEG C/min to control cooling velocity, after being cooled to 600 DEG C, then furnace cooling, that is, complete to use the compound prickers of TiZrNiCu+B Expect the soldering connection to Ti60 and TiBw/TC4.
The present invention can realize Ti60 and TiBwThe connection of/TC4 composite joints, by controlling brazing temperature and insulation Time, and the control of conversion zone distribution how many to the TiB crystal whisker-shapeds enhancing amount of being combined to is realized, and then control the aobvious of soldered fitting Micro-assembly robot and performance, are successfully realized Ti60 and TiBwThe connection of/TC4 composites.
Embodiment 4：
A kind of method that Ti60 and TiBw/TC4 is connected using TiZrNiCu+B composite solderings, its step are as follows：
（One）, Ti60 and TiBw/TC4 composites are machined, obtain Ti60 and TiBw/TC4 to be connected Composite；
（Two）, by step（One）Obtained Ti60 to be connected and TiBw/TC4 composites joint face are beaten using sand paper Polished after mill, then Ti60 and TiBw/TC4 composites joint face are put into acetone soln and are cleaned by ultrasonic 20min；
（Three）, TiZrNiCu+B composite solderings are uniformly laid on to Ti60 to be connected and TiBw/TC4 composites connection Between face, the assembly parts that Ti60/TiZrNiCu+B composite solderings/TiBw/TC4 composites are sequentially overlapped are assembled into；Wherein It is 60 μm to control TiZrNiCu+B composite solderings powder layer thickness；B content is 2% in the TiZrNiCu+B composite solderings；
（Four）By step（Three）Obtained assembly parts are placed in vacuum furnace, are vacuumized, when vacuum reaches 1.7 × 10-5During Pa, then electrified regulation, it is 12 DEG C/min to control programming rate, is warming up to 1000 DEG C, and then insulation is 1min, then cold But, it is 6 DEG C/min to control cooling velocity, after being cooled to 600 DEG C, then furnace cooling, that is, complete to use the compound prickers of TiZrNiCu+B Expect the soldering connection to Ti60 and TiBw/TC4.
The present invention can realize Ti60 and TiBwThe connection of/TC4 composite joints, by controlling brazing temperature and insulation Time, and the control of conversion zone distribution how many to the TiB crystal whisker-shapeds enhancing amount of being combined to is realized, and then control the aobvious of soldered fitting Micro-assembly robot and performance, are successfully realized Ti60 and TiBwThe connection of/TC4 composites.

Claims (1)

  1. A kind of 1. method that Ti60 and TiBw/TC4 is connected using TiZrNiCu+B composite solderings, it is characterised in that step is as follows：
    （One）, Ti60 and TiBw/TC4 composites are machined, obtain Ti60 to be connected and TiBw/TC4 be compound Material；
    （Two）, by step（One）After the joint face of obtained Ti60 to be connected and TiBw/TC4 composites is polished using sand paper Polishing, then Ti60 and TiBw/TC4 composites joint face are put into acetone soln and are cleaned by ultrasonic 15min；
    （Three）, TiZrNiCu+B composite solderings are uniformly laid on Ti60 to be connected and TiBw/TC4 composites joint face it Between, it is assembled into the assembly parts that Ti60/TiZrNiCu+B composite solderings/TiBw/TC4 composites are sequentially overlapped；Wherein control TiZrNiCu+B composite solderings powder layer thickness is 50 ~ 100 μm；B content is 2% in the TiZrNiCu+B composite solderings；
    （Four）By step（Three）Obtained assembly parts are placed in vacuum furnace, are vacuumized, when vacuum reaches (1.3 ~ 2.0) ×10-5During Pa, then electrified regulation, it is 10 ~ 30 DEG C/min to control programming rate, is warming up to 1060 DEG C, then cools down, and control is cold But speed is 3 DEG C/min, after being cooled to 600 DEG C, then furnace cooling, that is, complete using TiZrNiCu+B composite solderings to Ti60 with TiBw/TC4 soldering connection.
CN201610092721.9A 2016-02-19 2016-02-19 A kind of method that Ti60 and TiBw/TC4 is connected using TiZrNiCu+B composite solderings Active CN105499735B (en)

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CN114247947B (en) * 2022-01-12 2023-05-30 湘潭大学 Vacuum brazing connection method for C/C radiating fin and Ti tube

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