CN101780604B - NiCrBSi-NiSiB composite powder brazing material - Google Patents
NiCrBSi-NiSiB composite powder brazing material Download PDFInfo
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- CN101780604B CN101780604B CN2009103002614A CN200910300261A CN101780604B CN 101780604 B CN101780604 B CN 101780604B CN 2009103002614 A CN2009103002614 A CN 2009103002614A CN 200910300261 A CN200910300261 A CN 200910300261A CN 101780604 B CN101780604 B CN 101780604B
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- brazing material
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- nicrbsi
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- powder brazing
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Abstract
The invention relates to the high-temperature alloy brazing material field, in particular to NiCrBSi-NiSiB composite powder brazing material. The high-temperature alloy powder brazing material is prepared by blending NiCrBSi and NiSiB on the machine, wherein NiCrBSi is used as solder, the weight percentage is 40-80%, NiSiB is used as packing and the weight percentage is 20-60%. The solder NiCrBSicomprises the following chemical compositions by weight percent: 2-6% of Fe, 12-18% of Cr, 3-6% of Si, 0.1-1.0% of Al, 1-5% of B, 0.1-0.9% of C and the balance Ni; and the packing NiSiB comprises thefollowing chemical compositions by weight percent: 1.5-2.5% of Si, 0.5-1.5% of B and the balance Ni. The particle diameter of the powder brazing material is not more than 0.3mm, the composite powder brazing material is prepared by gas atomization method and the brazing temperature of the composite powder brazing material is 1100-1250 DEG C. The existing high-temperature brazing material can not meet the operating requirements along with the continuous occurrence of new materials and the improvement of the standard of causative environment, and the invention can solve the connection problem ofhigh-temperature alloy which can be used in special environments.
Description
Technical field
The present invention relates to the high temperature alloy brazing material field, be specially a kind of NiCrBSi-NiSiB composite powder brazing material.
Background technology
The high temperature alloy brazing material is a kind of novel brazing material that grows up gradually in recent years.Now develop high temperature brazing materials such as multiple Ni base, Co base and Fe base just gradually.Table 1 has been listed some the high temperature Ni that has reported base solder alloies.These superalloy solders are applicable to that certain usage environment is connected with material.
Table 1 high temperature alloy soldering Ni base solder
But in recent years along with the continuous appearance of new material and the increase of the harsh degree of usage environment, existing high-temperature brazing material can not satisfy its instructions for use, so some adapt to the high temperature alloy brazing material of new demand research, solution has the high temperature alloy connectivity problem that particular surroundings is used, and has important industrial application value.
Summary of the invention
The object of the present invention is to provide a kind of NiCrBSi-NiSiB composite powder brazing material, it is the superalloy powder brazing material of function admirable, solves the connection that some have the high temperature alloy of specific use.
Technical scheme of the present invention is as follows:
A kind of NiCrBSi-NiSiB composite powder brazing material, this superalloy powder brazing material is being formed by NiCrBSi and two kinds of alloy powder mechanical mixture of NiSiB.Wherein, NiCrBSi is called scolder, and percentage by weight is 40～80%.NiSiB is called filler, and percentage by weight is 20～60%.The chemical composition of its scolder and filler is shown in table 2, table 3.
The chemical composition of table 2 alloy powder scolder
| Element | Fe | Cr | Si | Al |
| Content (wt%) | 2-6 | 12-18 | 3-6 | 0.1-1.0 |
| Element | B | C | Ni | |
| Content (wt%) | 1-5 | 0.1-0.9 | Surplus |
The chemical composition of table 3 alloy powder filler
| Element | Ni | Si | B |
| Content (wt%) | Surplus | 1.5-2.5 | 0.5-1.5 |
Described composite powder brazing material particle diameter generally is not more than 0.3mm.
Two kinds of alloy powders of described composite powder brazing material are prepared by the gas atomization method respectively.
The brazing temperature of described composite powder brazing material is 1100～1250 ℃.
The design philosophy and the principle of composite powder brazing material of the present invention are as follows:
In recent years, in order to tackle the more and more abominable usage environment of material, not only the performance requirement to structural material itself is more and more higher, and requires also more and more higher to the welding material of the connection between the material.The design philosophy of each composition of brazing material of the present invention and content and principle make its chemical composition more near connected matrix material exactly, increase scolder to welding the wetting of base material by the method for adding filler, reduce the corrode of cored solder, and then improve the mechanical property of welding point matrix material.
Advantage of the present invention and beneficial effect are as follows:
Advantage of the present invention is exactly that chemical composition and the mechanical property of its welding point is identical or very approaching with a lot of some advanced matrix material that occurs in recent years, make the welding procedure of scolder good, little to the matrix material corrode, thereby the mechanical property of welding point and matrix material near in addition surpass matrix material, compare with the conventional high-temperature brazing material, this brazing material has outstanding effect.
The specific embodiment:
The preparation process of NiCrBSi-NiSiB composite powder brazing material of the present invention is as follows:
Step 1: above-mentioned scolder of melting and filler alloy ingot.
Step 2: adopt gas atomization that the alloy pig that step 1 obtains is made powder.
Step 3: with the alloy powder classification of step 2 preparation.
Step 4: the particle diameter of testing the powder sample of preparation with microscope.
Step 5: with the alloy powder mechanical mixture after step 3 classification.
Step 6: the mixed brazing material of step 4 is carried out the soldering of sample.
Step 7: with vernier caliper measurement soldering sample calking size.
Step 8: with the solid, liquid phase line temperature of thermal analysis test machine (DSC) test powders sample.
Embodiment 1:
In the present embodiment, the preparation process of NiCrBSi-NiSiB composite powder brazing material is as follows:
Step 1: use above-mentioned scolder of vacuum induction melting and filler alloy ingot, material purity is not less than 98wt%.Batching is pressed table 4,5.
Table 4 solder alloy prepares list of ingredients
| Element | Fe | Cr | Si | Al |
| Content (wt%) | 4.0 | 16.0 | 4.35 | 0.42 |
| Element | B | C | Ni | |
| Content (wt%) | 2.5 | 0.6 | 72.13 |
Table 5 filler alloy prepares list of ingredients
| Element | Ni | Si | B |
| Content (wt%) | 97.1 | 2.0 | 0.90 |
Step 2: adopt gas atomization that the alloy pig that step 1 obtains is made powder.
Step 3: with the alloy powder classification of step 2 preparation.
Step 4: is 3: 2 mechanical mixture with the alloy powder after step 3 classification according to scolder and filler weight ratio.
Step 5: with the particle diameter of the powder sample after the microscope test mixing, the result is as shown in table 8.
Step 6: the mixed composite brazing material of step 5 is carried out the vacuum brazing of sample under 1180 ℃.
Step 7: with vernier caliper measurement welding sample calking size, the result is as shown in table 8.
Step 8: with the solid, liquid phase line temperature of thermal analysis test machine (DSC) test welding sample, the result is as shown in table 8.
Embodiment 2:
In the present embodiment, the preparation process of NiCrBSi-NiSiB composite powder brazing material is as follows:
Step 1: use above-mentioned scolder of vacuum induction melting and filler alloy ingot, material purity is not less than 98wt%.Batching according to the form below 6,7:
Table 6 solder alloy prepares list of ingredients
| Element | Fe | Cr | Si | Al |
| Content (wt%) | 4.1 | 16.5 | 4.6 | 0.46 |
| Element | B | C | Ni | |
| Content (wt%) | 2.6 | 0.6 | 71.14 |
Table 7 filler alloy prepares list of ingredients
| Element | Ni | Si | B |
| Content (wt%) | 96.88 | 2.2 | 0.92 |
Step 2: adopt gas atomization that the alloy pig that step 1 obtains is made powder.
Step 3: with the alloy powder classification of step 2 preparation.
Step 4: is 3: 2 mechanical mixture with the alloy powder after step 3 classification according to scolder and filler ratio.
Step 5: with the particle diameter of the powder sample after the microscope test mixing, the result is as shown in table 8.
Step 6: the mixed composite powder brazing material of step 4 is carried out the vacuum brazing of sample under 1190 ℃.
Step 7: with vernier caliper measurement welding sample calking size, the result is as shown in table 8.
Step 8: with the solid, liquid phase line temperature of thermal analysis test machine (DSC) test welding sample, the result is as shown in table 8.
Table 8 embodiment 1,2 composite soldering solid, liquid phase line temperature, joint filling gap, particle diameter
| Embodiment | Solidus temperature T s(℃) | Liquidus temperature T 1(℃) | Joint filling gap (mm) | Particle diameter (mm) |
| Embodiment 1 | 973 | 1188 | 0.5 | 0.26 |
| Embodiment 2 | 971 | 1182 | 0.4 | 0.21 |
Claims (6)
1. a NiCrBSi-NiSiB composite powder brazing material is characterized in that, this composite powder brazing material is formed by NiCrBSi and two kinds of alloy powder mechanical mixture of NiSiB, and wherein NiCrBSi is called scolder, and percentage by weight is 40～80%; NiSiB is called filler, and percentage by weight is 20～60%; By weight percentage, the chemical composition of described NiCrBSi scolder is as follows:
Fe 2-6; Cr 12-18; Si 3-6; Al 0.1-1.0; B 1-5; C 0.1-0.9; The Ni surplus;
By weight percentage, the chemical composition of described NiSiB filler is as follows:
Si 1.5-2.5; B 0.5-1.5; The Ni surplus.
2. NiCrBSi-NiSiB composite powder brazing material according to claim 1 is characterized in that, this composite powder brazing material particle diameter is not more than 0.3mm.
3. NiCrBSi-NiSiB composite powder brazing material according to claim 1 is characterized in that, two kinds of alloy powders of this composite powder brazing material are prepared by the gas atomization method respectively.
4. NiCrBSi-NiSiB composite powder brazing material according to claim 1 is characterized in that the brazing temperature of this composite powder brazing material is 1100～1250 ℃.
5. NiCrBSi-NiSiB composite powder brazing material according to claim 1 is characterized in that, by weight percentage, the chemical composition of described NiCrBSi scolder is as follows:
Fe 3-5; Cr 13-16; Si 3.5-5.5; Al 0.1-1.0; B 2-4; C 0.4-0.7; The Ni surplus.
6. NiCrBSi-NiSiB composite powder brazing material according to claim 1 is characterized in that, by weight percentage, the chemical composition of described NiSiB filler is as follows:
Si 1.7-2.4; B 0.6-1.3; The Ni surplus.
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| CN2009103002614A CN101780604B (en) | 2009-01-19 | 2009-01-19 | NiCrBSi-NiSiB composite powder brazing material |
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| CN101780604B true CN101780604B (en) | 2011-08-17 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890593B (en) * | 2010-07-23 | 2013-02-06 | 安泰科技股份有限公司 | Nickel-based brazing material for brazed diamond tool and preparation method thereof |
| CN103261503B (en) * | 2010-12-24 | 2016-09-07 | 花王株式会社 | Non-woven fabrics and manufacturing method and apparatus thereof and non-woven fabrics manufacture supporting mass |
| CN102489815B (en) * | 2011-12-23 | 2014-08-13 | 山东大学 | Amorphous brazing process for super nickel laminated composite material |
| CN102554386A (en) * | 2011-12-29 | 2012-07-11 | 东南大学 | Method for connecting open-cell foamed stainless steel with high porosity and metallic solid body |
| CN104907725B (en) * | 2015-06-25 | 2017-03-01 | 江苏科技大学 | Brazing cladding material for metal surface |
| CN114473293A (en) * | 2022-03-18 | 2022-05-13 | 中国航空制造技术研究院 | Solder for welding high-temperature alloy and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1618554A1 (en) * | 1988-07-21 | 1991-01-07 | Тольяттинский политехнический институт | Solder for brazing steels |
| US7156280B1 (en) * | 2005-12-15 | 2007-01-02 | General Electric Company | Braze alloy compositions |
| CN101037738A (en) * | 2006-03-17 | 2007-09-19 | 郑效慈 | High-temperature alloy part and welding material |
| US7279229B2 (en) * | 2005-03-24 | 2007-10-09 | General Electric Company | Nickel-base braze material and method of filling holes therewith |
| CN101306494A (en) * | 2008-05-30 | 2008-11-19 | 哈尔滨工业大学 | Ni-base superalloy solder |
-
2009
- 2009-01-19 CN CN2009103002614A patent/CN101780604B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1618554A1 (en) * | 1988-07-21 | 1991-01-07 | Тольяттинский политехнический институт | Solder for brazing steels |
| US7279229B2 (en) * | 2005-03-24 | 2007-10-09 | General Electric Company | Nickel-base braze material and method of filling holes therewith |
| US7156280B1 (en) * | 2005-12-15 | 2007-01-02 | General Electric Company | Braze alloy compositions |
| CN101037738A (en) * | 2006-03-17 | 2007-09-19 | 郑效慈 | High-temperature alloy part and welding material |
| CN101306494A (en) * | 2008-05-30 | 2008-11-19 | 哈尔滨工业大学 | Ni-base superalloy solder |
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