CN104480412A - Amorphous high-entropy alloy solder for braze-welding tantalum and steel and preparation method - Google Patents
Amorphous high-entropy alloy solder for braze-welding tantalum and steel and preparation method Download PDFInfo
- Publication number
- CN104480412A CN104480412A CN201410729341.2A CN201410729341A CN104480412A CN 104480412 A CN104480412 A CN 104480412A CN 201410729341 A CN201410729341 A CN 201410729341A CN 104480412 A CN104480412 A CN 104480412A
- Authority
- CN
- China
- Prior art keywords
- steel
- entropy alloy
- tantalum
- welding
- braze
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Arc Welding In General (AREA)
Abstract
The invention discloses an amorphous high-entropy alloy solder for braze-welding tantalum and steel. The amorphous high-entropy alloy solder is prepared from the following components in percentage by mass: 6.0-9.0% of Cr, 5.0-9.0% of Si, 3.0-6.0% of Fe, 5.0-9.0% of Zr, 2.5-4.5% of B and the balance of Ni, totaling 100%. The invention further discloses a preparation method of the amorphous high-entropy alloy solder for braze-welding tantalum and steel. The amorphous high-entropy alloy solder disclosed by the invention has excellent strength, toughness and corrosion resistance and difficultly forms crispy metal meta-compound phases and easily obtains high-performance tantalum/steel braze-welding joints. The high-performance amorphous solder is good in wettability with a heterogeneous base material, simple in braze-welding operating process, convenient and efficient, good in adaptability to the braze-welding process, easy in mastering of the process and automation and convenient for project promotion.
Description
Technical field
The invention belongs to technical field of welding materials, relate to a kind of for brazing filler metal tantalum and steel non-crystalline state high-entropy alloy solder, the invention still further relates to the preparation method of this kind for brazing filler metal tantalum and steel non-crystalline state high-entropy alloy solder.
Background technology
Tantalum metal has excellent high-temperature behavior, high erosion resistance, higher ductility, is widely used in fields such as chemical industry, electronics, medical treatment and nuclear industries.But as rare precious metal, tantalum often uses with the form of steel construction lining.This tantalum Cladding Steel composite structure has the performance advantage of tantalum and steel concurrently, but its preparation and use procedure inevitably relate to the Welding Problems of tantalum and steel.
At present, electron beam welding, argon arc welding, heliarc welding etc. are had about the welding process of tantalum/steel both at home and abroad.Tantalum is refractory metal, and in above-mentioned fusion process, tantalum does not melt and steel melts already, causes welding pool to offset, has a strong impact on welding quality; Meanwhile, tantalum and steel melting poor, produce the brittle intermetallic things such as a large amount of Fe2Ta, TaC at welding joint, cause joint mechanical property to decline.
In order to realize effective welding of tantalum/steel, needing first avoid melting and adopt method for welding, improving welding quality; Second need to select suitable welding material, suppress brittle intermetallic thing, lifting sub performance.
Summary of the invention
The object of this invention is to provide a kind of for brazing filler metal tantalum and steel non-crystalline state high-entropy alloy solder, solve welding process of the prior art and easily form firmly crisp intermetallic compound and cause cracking, be not easy to the problem of acquisition high-performance product.
Another object of the present invention is to provide a kind of preparation method for brazing filler metal tantalum and steel non-crystalline state high-entropy alloy solder.
The technical solution used in the present invention is, a kind of for brazing filler metal tantalum and steel non-crystalline state high-entropy alloy solder, be made up of according to mass percent following component: Cr is 6.0% ~ 9.0%, Si is 5.0% ~ 9.0%, Fe is 3.0% ~ 6.0%, Zr be 5.0% ~ 9.0%, B is 2.5% ~ 4.5%, all the other are Ni, add up to 100%.
Another technical scheme that the present invention adopts is, a kind of preparation method for brazing filler metal tantalum and steel non-crystalline state high-entropy alloy solder, implements according to following steps:
Step 1, utilize that ultrahigh vacuum(HHV) electric arc furnace is molten joins mother alloy:
Following component is weighed: Cr is 6.0% ~ 9.0% according to mass percent, Si is 5.0% ~ 9.0%, Fe is 3.0% ~ 6.0%, Zr is 5.0% ~ 9.0%, B is 2.5% ~ 4.5%, and all the other are Ni, add up to 100%, each component is high pure metal, and in ultrahigh vacuum(HHV) electric arc furnace, molten joining obtains mother alloy;
Step 2, the mother alloy melted is utilized high-frequency induction heating refuse, applying single roller rapid solidification device, to be prepared into thickness be 50 μm ~ 80 μm, and wide is 6mm ~ 8mm, the long non-crystalline state high-entropy alloy foil for 1m ~ 2m.
The invention has the beneficial effects as follows, this high-performance non-crystalline state high-entropy alloy solder has excellent intensity, toughness and corrosion resisting property, not easily forms brittle intermetallic thing phase, is easy to obtain high-performance tantalum/steel brazed joint; The wettability of this high-performance non-crystaline amorphous metal solder and heterogeneous mother metal is good, and brazing operation technique is simple, and convenience and high-efficiency is good to soldering processes adaptability, and process is easy to control and realize automatization, is convenient to engineering and promotes.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail.
The present invention is used for the amorphous brazing filler metal of soldering tantalum and steel, is made up of: Cr is 6.0% ~ 9.0%, Si is 5.0% ~ 9.0% following component according to mass percent, Fe is 3.0% ~ 6.0%, Zr be 5.0% ~ 9.0%, B is 2.5% ~ 4.5%, all the other are Ni, add up to 100%.
In solder composition of the present invention, reason is limited to the composition of each chemical element and content and is described below respectively:
In order to improve the mechanical property of tantalum and steel brazed joint, the chemical composition obtaining braze metal is needed to be in the pivot content range forming high-entropy alloy.For the composition characteristic of concrete base metals tantalum to be welded and steel, alloy Principal variables selection Ni-Fe-Si-Zr-Cr quinary alloy.Major cause has 4 points: 1. in brazing process the fusing of mother metal and Jin Feng district mother metal inevitable to the dissolving in molten bath, be that prevention weld seam produces brittle intermetallic thing, must containing Fe in weld seam target component; 2. Zr and Ni and active metal Ta have good consistency, with the brittle intermetallic produce that can effectively suppress give birth to; 3. by adding B, Si element in solder, one is molten for falling, and two is activation striping; 4. Cr add the plasticity and brazing filler metal intensity that effectively can improve solder, also can improve the fusion character of weld seam and steel, improve brazing filler metal interfacial combined function.
This solder belongs to high-entropy alloy, its rapid solidification state is amorphous foil, through welding process, the braze metal formed is the crystalline state high-entropy alloy of the pivot compositions such as Ni-Fe-Si-Zr-Cr, the brazed seam that above-mentioned many pivots amorphous high-entropy alloy solder postwelding is formed eliminates brittle intermetallic thing substantially, and joint performance is higher.
The present invention is used for the preparation method of the amorphous brazing filler metal of soldering tantalum and steel, implements according to following steps:
Step 1, utilize that ultrahigh vacuum(HHV) electric arc furnace is molten joins mother alloy:
Following component is weighed: Cr is 6.0% ~ 9.0% according to mass percent, Si is 5.0% ~ 9.0%, Fe is 3.0% ~ 6.0%, Zr is 5.0% ~ 9.0%, B is 2.5% ~ 4.5%, and all the other are Ni, add up to 100%, each component is high pure metal, melts and prepare to obtain mother alloy in ultrahigh vacuum(HHV) electric arc furnace;
Step 2, the mother alloy melted is utilized high-frequency induction heating refuse, applying single roller rapid solidification device, to be prepared into thickness be 50 μm ~ 80 μm, and wide is 6mm ~ 8mm, the long non-crystalline state high-entropy alloy foil for 1m ~ 2m.
Adopt the above-mentioned non-crystaline amorphous metal solder foil prepared, when the sample joint assembling of soldering tantalum/steel, first foil is placed between tantalum to be welded and the interface to be welded of steel, then conveniently vacuum brazing method heats the joint assembled, be incubated and solidify, and realizes the brazing filler metal of tantalum/steel.
The brazing filler metal compositions useful that table 1 is the present invention's four embodiments is containing scale
Embodiment 1
Mass percent according to embodiment in table 11 takes each component high pure metal, and implement according to above-mentioned solder preparation process, controlled by roll surface speed at 6m/s, thick 60 μm of the non-crystaline amorphous metal solder foil of preparation, wide is 7mm, and long is 1.5m.
Apply this non-crystaline amorphous metal solder foil, carry out vacuum brazing to Ta1 and 0Cr18Ni9Ti, brazing temperature 1090 DEG C, insulation 5min, the shearing resistance obtaining joint is 210.0MPa.
Embodiment 2
Take each component high pure metal according to embodiment in table 12 mass percent, implement according to above-mentioned solder preparation process, controlled by roll surface speed at 8m/s, prepare thick 55 μm, wide is 6mm, the long state non-crystaline amorphous metal solder foil for 1m.
Apply this non-crystaline amorphous metal solder foil, carry out vacuum brazing to Ta2 and 0Cr18Ni9Ti, brazing temperature 1070 DEG C, insulation 5min, the shearing resistance obtaining joint is 221.0MPa.
Embodiment 3
Take each component high pure metal according to embodiment in table 13 mass percent, implement according to above-mentioned solder preparation process, controlled by roll surface speed at 5m/s, prepare thick 80 μm, wide is 8mm, the long state non-crystaline amorphous metal solder foil for 2m.
Apply this non-crystaline amorphous metal solder foil, carry out vacuum brazing to Ta2 and Q235, brazing temperature 1065 DEG C, insulation 5min, the shearing resistance obtaining joint is 198.0MPa.
Embodiment 4
Mass percent according to embodiment in table 14 takes each component high pure metal, and implement according to above-mentioned solder preparation process, controlled by roll surface speed at 6m/s, prepare thick 70 μm, wide is 6.5mm, the long state non-crystaline amorphous metal solder foil for 1.2m.
Apply this non-crystaline amorphous metal solder foil, to Ta1 and Q235 brazing temperature 1080 DEG C, insulation 5min, the shearing resistance obtaining joint is 200.0MPa.
In sum, non-crystalline state high-entropy alloy solder fusing point fusing point of the present invention is between 1000 DEG C ~ 1050 DEG C, and brazing temperature is lower than the grain coarsening temperature (1100 DEG C) of steel, and brazed joint performance is higher.Solder snappiness is good, is convenient to processing and assembling; Well, joint mechanical performance significantly improves for, brazed seam corrosion resistance nature good with the wettability of tantalum and steel when welding; The preparation technology of this kind of non-crystalline state high-entropy alloy solder is simple, and cost of manufacture is low, is convenient to promote.Use non-crystalline state high-entropy alloy solder paper tinsel of the present invention to carry out the vacuum brazing of tantalum/steel, soldering processes are simple, easy to operate.
Claims (2)
1. one kind for brazing filler metal tantalum and steel non-crystalline state high-entropy alloy solder, it is characterized in that, be made up of according to mass percent following component: Cr is 6.0% ~ 9.0%, Si is 5.0% ~ 9.0%, Fe is 3.0% ~ 6.0%, Zr be 5.0% ~ 9.0%, B is 2.5% ~ 4.5%, all the other are Ni, add up to 100%.
2. this kind described in claim 1 is for brazing filler metal tantalum and a steel preparation method for non-crystalline state high-entropy alloy solder, it is characterized in that, implements according to following steps:
Step 1, utilize that ultrahigh vacuum(HHV) electric arc furnace is molten joins mother alloy:
Following component is weighed: Cr is 6.0% ~ 9.0% according to mass percent, Si is 5.0% ~ 9.0%, Fe is 3.0% ~ 6.0%, Zr is 5.0% ~ 9.0%, B is 2.5% ~ 4.5%, and all the other are Ni, add up to 100%, each component is high pure metal, and in ultrahigh vacuum(HHV) electric arc furnace, molten joining obtains mother alloy;
Step 2, the mother alloy melted is utilized high-frequency induction heating refuse, applying single roller rapid solidification device, to be prepared into thickness be 50 μm ~ 80 μm, and wide is 6mm ~ 8mm, the long non-crystalline state high-entropy alloy foil for 1m ~ 2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410729341.2A CN104480412A (en) | 2014-12-04 | 2014-12-04 | Amorphous high-entropy alloy solder for braze-welding tantalum and steel and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410729341.2A CN104480412A (en) | 2014-12-04 | 2014-12-04 | Amorphous high-entropy alloy solder for braze-welding tantalum and steel and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104480412A true CN104480412A (en) | 2015-04-01 |
Family
ID=52755012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410729341.2A Pending CN104480412A (en) | 2014-12-04 | 2014-12-04 | Amorphous high-entropy alloy solder for braze-welding tantalum and steel and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104480412A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105331871A (en) * | 2015-11-30 | 2016-02-17 | 重庆理工大学 | Al-Co-Cr-Cu-Nb-Si-Ti-V multi-principal element alloy and method for surface treatment for titanium alloy thereof |
| CN105331869A (en) * | 2015-11-30 | 2016-02-17 | 重庆理工大学 | Multi-principal element alloy and method for surface treatment of titanium alloy |
| CN108907503A (en) * | 2018-08-31 | 2018-11-30 | 西安理工大学 | It is a kind of for welding the amorphous state high-entropy alloy solder and preparation method thereof of tantalum and stainless steel |
| CN108907502A (en) * | 2018-08-31 | 2018-11-30 | 西安理工大学 | It is a kind of for being brazed the amorphous state high-entropy alloy solder and preparation method thereof of tantalum Ta1 Yu 1Cr18Ni9 stainless steel |
| CN109202243A (en) * | 2018-08-31 | 2019-01-15 | 西安理工大学 | A kind of tantalum/stainless steel stored energy welding middle layer alloy and preparation method thereof and welding method |
| CN109202244A (en) * | 2018-08-31 | 2019-01-15 | 西安理工大学 | A kind of middle layer alloy and preparation method thereof applied to resistance spot welding tantalum Ta1 and Q235 steel |
| CN113122764A (en) * | 2021-03-19 | 2021-07-16 | 西安理工大学 | Preparation method of CuCrFeCoNixTi high-entropy alloy thin strip |
| CN114101970A (en) * | 2021-11-04 | 2022-03-01 | 杭州华光焊接新材料股份有限公司 | Nickel-based amorphous brazing filler metal strip and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567659A (en) * | 2013-10-12 | 2014-02-12 | 西安理工大学 | Cadmium-free low-silver medium-temperature solder for welding hard alloy and steel and preparation method |
-
2014
- 2014-12-04 CN CN201410729341.2A patent/CN104480412A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567659A (en) * | 2013-10-12 | 2014-02-12 | 西安理工大学 | Cadmium-free low-silver medium-temperature solder for welding hard alloy and steel and preparation method |
Non-Patent Citations (2)
| Title |
|---|
| 叶雷等: "Hf与Zr为降熔元素镍基钎料对IC10合金的钎焊", 《焊接学报》 * |
| 张凌云等: "非晶镍基钎料钎焊接头性能及微观组织的研究", 《热加工工艺》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105331871A (en) * | 2015-11-30 | 2016-02-17 | 重庆理工大学 | Al-Co-Cr-Cu-Nb-Si-Ti-V multi-principal element alloy and method for surface treatment for titanium alloy thereof |
| CN105331869A (en) * | 2015-11-30 | 2016-02-17 | 重庆理工大学 | Multi-principal element alloy and method for surface treatment of titanium alloy |
| CN105331869B (en) * | 2015-11-30 | 2017-07-07 | 重庆理工大学 | A kind of multi-principal elements alloy and its method for processing titanium alloy surface |
| CN108907503A (en) * | 2018-08-31 | 2018-11-30 | 西安理工大学 | It is a kind of for welding the amorphous state high-entropy alloy solder and preparation method thereof of tantalum and stainless steel |
| CN108907502A (en) * | 2018-08-31 | 2018-11-30 | 西安理工大学 | It is a kind of for being brazed the amorphous state high-entropy alloy solder and preparation method thereof of tantalum Ta1 Yu 1Cr18Ni9 stainless steel |
| CN109202243A (en) * | 2018-08-31 | 2019-01-15 | 西安理工大学 | A kind of tantalum/stainless steel stored energy welding middle layer alloy and preparation method thereof and welding method |
| CN109202244A (en) * | 2018-08-31 | 2019-01-15 | 西安理工大学 | A kind of middle layer alloy and preparation method thereof applied to resistance spot welding tantalum Ta1 and Q235 steel |
| CN109202243B (en) * | 2018-08-31 | 2021-04-02 | 西安理工大学 | Intermediate layer alloy for tantalum/stainless steel energy storage welding and preparation method and welding method thereof |
| CN109202244B (en) * | 2018-08-31 | 2021-04-02 | 西安理工大学 | Intermediate layer alloy applied to resistance spot welding tantalum Ta1 and Q235 steel and preparation method thereof |
| CN113122764A (en) * | 2021-03-19 | 2021-07-16 | 西安理工大学 | Preparation method of CuCrFeCoNixTi high-entropy alloy thin strip |
| CN114101970A (en) * | 2021-11-04 | 2022-03-01 | 杭州华光焊接新材料股份有限公司 | Nickel-based amorphous brazing filler metal strip and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104480412A (en) | Amorphous high-entropy alloy solder for braze-welding tantalum and steel and preparation method | |
| CN101590574B (en) | High-entropy alloy brazing filler metal for welding TA2 and 0Cr18Ni9Ti and preparation method thereof | |
| CN102672328B (en) | Method for welding titanium and steel by applying high-entropy effect and welding material | |
| CN101284336B (en) | Argon-arc welding-braze welding composite welding method for connecting the titanium alloy and steel | |
| CN107999991B (en) | High-entropy flux-cored wire for titanium-steel MIG welding and preparation method thereof | |
| CN111590204B (en) | Method for inhibiting generation of brittle intermetallic compounds of weld joint by laser high-entropy powder filling welding | |
| CN103358051B (en) | A kind of copper base solder and preparation method thereof | |
| CN107931840B (en) | Laser-induced monotectic and homogeneous reaction welding method for titanium-nickel heterojunction | |
| CN109623201B (en) | Nickel-based brazing filler metal for nickel-based high-temperature alloy brazing and preparation method thereof | |
| CN108941976B (en) | Welding wire for TA1-Q345 middle layer welding and preparation and welding method | |
| CN103639619B (en) | A kind of preparation method of the high-entropy alloy welding wire welded with steel TIG for titanium | |
| CN103949802A (en) | Ti-Zr-Cu-Ni-Co-Mo amorphous brazing filler metal and preparing method thereof | |
| CN103567663B (en) | For high-entropy alloy welding wire welding titanium-steel and preparation method thereof | |
| CN103567659B (en) | For weld carbide alloy and steel without the low silver-colored intermediate temperature solder of cadmium and preparation method | |
| CN101554686A (en) | High-entropy alloy solder used for welding hard alloy and steel and preparation method thereof | |
| CN102676904A (en) | Material and method used for TA2/0Cr18Ni9Ti welded by high-entropy effect | |
| CN104772578B (en) | A kind of solder for including titanium zirconium cupro-nickel | |
| CN113732563B (en) | Transition layer welding wire for preparing titanium-steel gradient composite material CMT and preparation method | |
| CN108188582A (en) | A kind of compound welding with filler wire method of laser-electric arc for being used to prepare magnesium/steel dissimilar metal tailor welded | |
| CN108161276B (en) | High-entropy flux-cored wire for magnesium-steel MIG welding and preparation method thereof | |
| CN108907502A (en) | It is a kind of for being brazed the amorphous state high-entropy alloy solder and preparation method thereof of tantalum Ta1 Yu 1Cr18Ni9 stainless steel | |
| CN102172805A (en) | Low-cost anti-aging brazing filler material used for electronic packaging and preparation method thereof | |
| CN107378305A (en) | Titanium-steel dissimilar metal plate sheet welding flux-cored wire and preparation method thereof | |
| CN102260809A (en) | Interlayer alloy for bonding Q235 steel to 316L steel in TLP (transient liquid phase) and method for preparing same | |
| CN103737197A (en) | Amorphous alloy brazing filler metal for welding TA series titanium and stainless steel and preparation method of amorphous alloy brazing filler metal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150401 |
|
| RJ01 | Rejection of invention patent application after publication |