CN107824995A - A kind of welding method applied to oxide dispersion strengthening ferrite/martensite steel containing aluminium - Google Patents
A kind of welding method applied to oxide dispersion strengthening ferrite/martensite steel containing aluminium Download PDFInfo
- Publication number
- CN107824995A CN107824995A CN201710814927.2A CN201710814927A CN107824995A CN 107824995 A CN107824995 A CN 107824995A CN 201710814927 A CN201710814927 A CN 201710814927A CN 107824995 A CN107824995 A CN 107824995A
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- CN
- China
- Prior art keywords
- welding
- martensite steel
- dispersion strengthening
- containing aluminium
- strengthening ferrite
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- 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.)
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to 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
- 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
- B23K35/3053—Fe 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
- B23K35/22—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
- B23K35/3053—Fe as the principal constituent
- B23K35/3066—Fe as the principal constituent with Ni as next major 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
- B23K35/22—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
- B23K35/3053—Fe as the principal constituent
- B23K35/3073—Fe as the principal constituent with Mn as next major constituent
Abstract
The present invention relates to the welding method of forth generation nuclear reactor key structure material,A kind of more particularly to welding method of oxide dispersion strengthening ferrite/martensite steel containing aluminium,Its welding method is to use composition as (8 18) wt.%Ni,(8‑18)wt.%Cr,3wt.%B,2wt.%Si,(0.05 0.08) wt.%C iron-based intermediate layer alloy foil sheet,The welding that method carries out oxide dispersion strengthening ferrite/martensite steel containing aluminium is connect using transition liquid phase diffusion weld,Welding temperature is 1,150 1200 DEG C,Soaking time is 1 2h,Pressure is 5 10MPa,The interface of dispersion strengthening ferrite containing aluminium/martensite steel and intermediate layer foil after welding generates high density,The NiAl phases of nano-scale,Dispersion strengthening ferrite/martensite steel containing aluminium after welding room temperature to 700 DEG C tensile sample in the dispersion strengthening ferrite containing aluminium/martensite steel portion fractures.
Description
Technical field
It is more particularly to a kind of containing aluminium the present invention relates to the welding technique of forth generation nuclear reactor key structure material
The welding method of oxide dispersion strengthening ferrite/martensite steel.
Background technology
The characteristics of oxide dispersion intensifying steel is because of its subscale nano-particle Dispersed precipitate, makes it have excellent height
Warm mechanical property and anti-radiation performance, turn into the very promising candidate material of structural material in Advanced Nuclear Energy Systems.
Oxide dispersion intensifying steel generally use mechanical alloying and high temperature insostatic pressing (HIP) or the moulding process such as hot-extrudable manufacture,
Material is in non-metallurgical poised state, and conventional fused welding can make the dispersed oxide particle in alloy substrate from liquid metals
Separate and assemble slagging, fundamentally destroy the structure and performance of oxide dispersion intensifying steel in itself.Therefore, dispersed oxide is strong
That changes steel is welded into the key issue and difficulties for restricting its engineer applied.
Research currently for oxide dispersion intensifying steel welding method includes friction rabbling welding, solids control equipment, pricker
A variety of high power weldings such as weldering and electromagnetic pulse weldering, electron-bombardment welding, Laser Welding.Due to the practical application of various welding manners
The reason for feature and its welding joint structure (crystal grain and dispersed granules) are different from mother metal tissue effect welding quality, for oxide
The welding of dispersion-strengthened steel is also without a kind of more satisfactory welding manner.
It is true based on more than, a kind of oxide dispersion strengthening ferrite/martensite steel of the present invention for addition aluminium element
Provide a kind of welding method that can obtain excellent welding performance.
The content of the invention
The first object of the present invention is to provide a kind of for oxide dispersion strengthening ferrite/martensite steel containing aluminium
Welding method.
The second object of the present invention is to provide a kind of for oxide dispersion strengthening ferrite/martensite steel containing aluminium
Application of the welding method on forth generation nuclear reactor key structure material.
In order to realize the present invention goal of the invention, the technical scheme used for：
A kind of welding method of described oxide dispersion strengthening ferrite/martensite steel containing aluminium is using transition liquid-phase diffusion
Weldering is welded to oxide dispersion strengthening ferrite/martensite steel containing aluminium；
Nickeliferous ferrous alloy paillon foil is in the intermediate layer that described transition liquid phase diffusion weld uses；
The thickness in the intermediate layer of described transition liquid phase diffusion weld is 10-30 μm；
The composition of described nickeliferous ferrous alloy paillon foil is (8-18) wt.%Ni, (8-18) wt.%Cr, 3wt.%B, 2wt.%Si,
(0.05-0.08) wt.%C, purity are 99.9%, and remaining is Fe；
Specifically welding method is：
（1）Surface treatment
The surface to be welded of oxide dispersion strengthening ferrite/martensite steel containing aluminium and intermediate layer paillon foil are polished respectively,
Then be respectively put into acetone soln ultrasonic cleaning 5min~10min, cold wind drying, obtain it is pretreated containing aluminum oxide more
Dissipate reinforced ferrite/martensite steel and pretreated intermediate layer paillon foil；
According to being followed successively by pretreated dispersion strengthening ferrite containing aluminum oxide/martensite steel, pretreated from top to bottom
The assembled in sequence of intermediate layer paillon foil and pretreated dispersion strengthening ferrite containing aluminum oxide/martensite steel；
（2）Welding equipment uses vacuum hotpressing stove, and programming rate is 6-8 DEG C/min, and welding temperature is 1150-1200 DEG C, insulation
Time is 1-2h, pressure 5-10MPa, and vacuum is（2.0-6.0）×10-3Pa；
（3）Give birth to the interface of the described dispersion strengthening ferrite/martensite steel and intermediate layer foil containing aluminium after welding
Into high density, the NiAl phases of nano-scale, dispersion strengthening ferrite/martensite steel containing aluminium after welding is in room temperature to 700
In extension test within the temperature range of DEG C, sample is in the dispersion-strengthened steel portion fractures containing aluminium.
Beneficial effects of the present invention are as follows：
（1）Welding parameter control of the present invention using the Fe-Ni-B-Si intermediate layers paillon foil of special component and by optimization, is obtained
Excellent welding performance, this is mainly due under the conditions of the welding parameter of optimization, the oxide dispersion intensifying iron element containing aluminium
With the nickel in intermediate layer phase counterdiffusion occurs for the aluminium in body/martensite steel, so as to cause the oxide containing aluminium of interface both sides more
Dissipate the nickel inside reinforced ferrite/martensite steel and inside intermediate layer and aluminium reacts to each other generation high density, nano-scale
Intermetallic compound NiAl phases, so as to ensure that excellent mechanical property.
（2）Nickel content both ensure that sufficient nickel and aluminium generation small size, highdensity NiAl phases in the foil of intermediate layer；Again
After can guarantee that welding, the nickel content in the foil matrix of intermediate layer reduces, and organizes the duplex structure from ferrite/austenite to be changed into iron
Ferritic tissue.
Brief description of the drawings：
Fig. 1 is the dispersed granules distribution in oxide dispersion strengthening ferrite/martensite steel containing aluminium in embodiment 1
Fig. 2 is the small-medium size of embodiment 1, highdensity NiAl phases in oxide dispersion strengthening ferrite/martensite steel containing aluminium
Welding point distribution situation
Fig. 3 is the welding point of oxide dispersion strengthening ferrite/martensite steel containing aluminium of the gained of embodiment 2
Embodiment：
Embodiment 1
Material selects：
（1）The composition of oxide dispersion strengthening ferrite/martensite steel containing aluminium to be welded is 8.5%Cr, 1.2%W, 0.2%V,
0.2%Mn, 3.5%Al, 0.5%Zr, 0.35%Y2O3, above material purity be 99.9%, C, N content be less than 0.1%, remaining is
Fe, it is mass percent above；Preparation method is mechanical alloying and hip moulding；
（2）Intermediate layer foil composition is 16wt.%Ni, 8.5wt.%Cr, 3wt.%B, 2wt.%Si, 0.08wt.%C, and purity is
99.9%, remaining is Fe；Thickness is 15 μm；
Specifically welding procedure is：
（1）Surface treatment
The surface to be welded of oxide dispersion strengthening ferrite/martensite steel containing aluminium and intermediate layer paillon foil are polished respectively,
Then be respectively put into acetone soln ultrasonic cleaning 5min~10min, cold wind drying, obtain it is pretreated containing aluminum oxide more
Dissipate reinforced ferrite/martensite steel and pretreated intermediate layer paillon foil；
According to from top to bottom be followed successively by pretreated dispersion strengthening ferrite containing aluminum oxide/martensite steel, pretreatment after
Intermediate layer paillon foil and pretreated dispersion strengthening ferrite containing aluminum oxide/martensite steel assembled in sequence；
（2）Welding equipment uses vacuum hotpressing stove, programming rate 7oC/min, and welding temperature is 1177 DEG C, and soaking time is
1.5h, pressure 8MPa, vacuum are 3.5 × 10-3Pa；
（3）The interface of described dispersion-strengthened steel containing aluminium and intermediate layer foil after welding generates high density, received
The NiAl phases of meter ruler cun, the dispersion-strengthened steel containing aluminium after welding in the extension test within the temperature range of room temperature to 700 DEG C,
Sample is all in the dispersion-strengthened steel portion fractures containing aluminium.
Embodiment 2
Material selects：
（1）The composition of oxide dispersion strengthening ferrite/martensite steel containing aluminium to be welded is 9%Cr, 1.8%W, 0.3%V,
0.2%Mn, 4.5%Al, 0.2%Hf, 0.4%Y2O3, above material purity be 99.9%, C, N content be less than 0.1%, remaining is Fe,
It is mass percent above；Preparation method is mechanical alloying and hip moulding；
（2）Intermediate layer foil, composition 12wt.%Ni, 9wt.%Cr, 3wt.%B, 2wt.%Si, 0.06wt.%C, purity are
99.9%, remaining is Fe, and thickness is 20 μm；
Specifically welding procedure is：
（1）Surface treatment
The surface to be welded of oxide dispersion strengthening ferrite/martensite steel containing aluminium and intermediate layer paillon foil are polished respectively,
Then be respectively put into acetone soln ultrasonic cleaning 5min~10min, cold wind drying, obtain it is pretreated containing aluminum oxide more
Dissipate reinforced ferrite/martensite steel and pretreated intermediate layer paillon foil；
According to from top to bottom be followed successively by pretreated dispersion strengthening ferrite containing aluminum oxide/martensite steel, pretreatment after
Intermediate layer paillon foil and pretreated dispersion strengthening ferrite containing aluminum oxide/martensite steel assembled in sequence；
（2）Welding equipment uses vacuum hotpressing stove, and programming rate is 8 DEG C/min, and welding temperature is 1190 DEG C, and soaking time is
2h, pressure 10MPa, vacuum are 5 × 10-3Pa；
（3）Give birth to the interface of the described dispersion strengthening ferrite/martensite steel and intermediate layer foil containing aluminium after welding
Into high density, the NiAl phases of nano-scale, the dispersion-strengthened steel containing aluminium after welding is in room temperature within the temperature range of 700 DEG C
Extension test in, sample is all in the dispersion-strengthened steel portion fractures containing aluminium.
Claims (1)
- A kind of 1. welding method of oxide dispersion strengthening ferrite/martensite steel containing aluminium, it is characterised in that：The welding side Method is that oxide dispersion strengthening ferrite/martensite steel containing aluminium is welded using transition liquid phase diffusion weld；Nickeliferous ferrous alloy paillon foil is in the intermediate layer that the transition liquid phase diffusion weld uses；The intermediate layer thickness of the transition liquid phase diffusion weld is 10-30 μm；The composition of the nickeliferous ferrous alloy paillon foil is (8-18) wt.%Ni, (8-18) wt.%Cr, 3wt.%B, 2wt.%Si, (0.05-0.08) wt.%C, purity are 99.9%, and remaining is Fe；Specifically welding procedure is：（1）Surface treatmentThe surface to be welded of oxide dispersion strengthening ferrite/martensite steel containing aluminium and intermediate layer paillon foil are polished respectively, Then be respectively put into acetone soln ultrasonic cleaning 5min~10min, cold wind drying, obtain it is pretreated containing aluminum oxide more Dissipate reinforced ferrite/martensite steel and pretreated intermediate layer paillon foil；According to being followed successively by pretreated dispersion strengthening ferrite containing aluminum oxide/martensite steel, pretreated from top to bottom The assembled in sequence of intermediate layer paillon foil and pretreated dispersion strengthening ferrite containing aluminum oxide/martensite steel；（2）Welding equipment uses vacuum sintering funace, and programming rate is 6-8 DEG C/min, and welding temperature is 1150-1200 DEG C, Soaking time is 1-2h, pressure 5-10MPa, and vacuum is（2.0-6.0）×10-3Pa；（3）Give birth to the interface of the described dispersion strengthening ferrite/martensite steel and intermediate layer foil containing aluminium after welding Into high density, the NiAl phases of nano-scale, dispersion strengthening ferrite/martensite steel containing aluminium after welding is in room temperature to 700 In extension test in DEG C temperature range, tensile sample is in the dispersion strengthening ferrite containing aluminium/martensite steel portion fractures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814927.2A CN107824995B (en) | 2017-09-12 | 2017-09-12 | Welding method applied to aluminum-containing oxide dispersion strengthened ferrite/martensite steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814927.2A CN107824995B (en) | 2017-09-12 | 2017-09-12 | Welding method applied to aluminum-containing oxide dispersion strengthened ferrite/martensite steel |
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| CN107824995A true CN107824995A (en) | 2018-03-23 |
| CN107824995B CN107824995B (en) | 2020-04-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872538A (en) * | 2020-07-31 | 2020-11-03 | 青岛理工大学 | ODS steel welding method based on composite nano particle reinforced interlayer |
| CN114622138A (en) * | 2022-03-03 | 2022-06-14 | 上海大学 | A kind of11B-doped oxide dispersion strengthened alloy, preparation method and application thereof |
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| JPS5816794A (en) * | 1981-07-20 | 1983-01-31 | Mitsubishi Metal Corp | Brazing material for transient liquid phase bonding |
| CN1198116A (en) * | 1996-06-04 | 1998-11-04 | 新日本制铁株式会社 | Iron-base alloy foils for liquid-phase diffusion bonding of iron-base material bondable in oxidizing atmosphere |
| CN1394978A (en) * | 2002-08-02 | 2003-02-05 | 山东中实股份有限公司 | Instantaneous liquid-phase diffusion welding iron base amorphous interlayer alloy |
| CN102260809A (en) * | 2011-07-06 | 2011-11-30 | 西安理工大学 | Interlayer alloy for bonding Q235 steel to 316L steel in TLP (transient liquid phase) and method for preparing same |
| CN103252572A (en) * | 2013-05-10 | 2013-08-21 | 山东大学 | Transient liquid phase diffusion bonding process of molybdenum copper alloy and stainless steel |
| CN106825896A (en) * | 2017-04-06 | 2017-06-13 | 爱迪森自动化科技（昆山）有限公司 | A kind of hard alloy connects method with the composite interlayer liquid-phase diffusion welding of steel |
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2017
- 2017-09-12 CN CN201710814927.2A patent/CN107824995B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5816794A (en) * | 1981-07-20 | 1983-01-31 | Mitsubishi Metal Corp | Brazing material for transient liquid phase bonding |
| CN1198116A (en) * | 1996-06-04 | 1998-11-04 | 新日本制铁株式会社 | Iron-base alloy foils for liquid-phase diffusion bonding of iron-base material bondable in oxidizing atmosphere |
| CN1394978A (en) * | 2002-08-02 | 2003-02-05 | 山东中实股份有限公司 | Instantaneous liquid-phase diffusion welding iron base amorphous interlayer alloy |
| CN102260809A (en) * | 2011-07-06 | 2011-11-30 | 西安理工大学 | Interlayer alloy for bonding Q235 steel to 316L steel in TLP (transient liquid phase) and method for preparing same |
| CN103252572A (en) * | 2013-05-10 | 2013-08-21 | 山东大学 | Transient liquid phase diffusion bonding process of molybdenum copper alloy and stainless steel |
| CN106825896A (en) * | 2017-04-06 | 2017-06-13 | 爱迪森自动化科技（昆山）有限公司 | A kind of hard alloy connects method with the composite interlayer liquid-phase diffusion welding of steel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872538A (en) * | 2020-07-31 | 2020-11-03 | 青岛理工大学 | ODS steel welding method based on composite nano particle reinforced interlayer |
| CN111872538B (en) * | 2020-07-31 | 2021-12-07 | 青岛理工大学 | ODS steel welding method based on composite nano particle reinforced interlayer |
| CN114622138A (en) * | 2022-03-03 | 2022-06-14 | 上海大学 | A kind of11B-doped oxide dispersion strengthened alloy, preparation method and application thereof |
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| CN107824995B (en) | 2020-04-10 |
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