CN109207750A - A kind of high hardness aluminium alloy melting metallic addition and application method - Google Patents
A kind of high hardness aluminium alloy melting metallic addition and application method Download PDFInfo
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- CN109207750A CN109207750A CN201811099222.8A CN201811099222A CN109207750A CN 109207750 A CN109207750 A CN 109207750A CN 201811099222 A CN201811099222 A CN 201811099222A CN 109207750 A CN109207750 A CN 109207750A
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- aluminium alloy
- high hardness
- metallic addition
- alloy melting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
Abstract
The invention discloses a kind of high hardness aluminium alloy melting metallic addition and application methods, it is related to aluminium and aluminium alloy production technical field, more particularly to a kind of high hardness aluminium alloy melting metallic addition and application method, wherein each ingredient component by weight is as follows: 25~29 parts of metal powder, 3.5~6.5 parts of advanced stearic acid, 11.5~14.5 parts of fluxing agent, 13.5~17.5 parts of alloying element, 20~24 parts of paraffin, 7~11 parts of ammonium hydrogen carbonate, 5~9 parts of potassium nitrate, 4~13 parts of aluminium powder, 14~19 parts of hydride powder, 1~4 part of sylvite, a kind of high hardness aluminium alloy melting metallic addition of the present invention and application method can effectively facilitate the melting of metallic element, reduce the scaling loss of metallic element, improve casting yield, waste residue is passed through into crushing and screening, as aluminium alloy The fluxing agent of melting metallic addition substantially reduces its production cost while guaranteeing that metal Additive Properties are stable, casting yield is high.
Description
Technical field
The present invention relates to a kind of high hardness aluminium alloy melting metallic addition and application method, it is related to aluminium and aluminium alloy is raw
Produce technical field more particularly to a kind of high hardness aluminium alloy melting metallic addition and application method.
Background technique
As aluminium processing and aluminium alloy industry continue to develop, the development of aluminium alloy is listed in the technology given priority to, alloy
Change is a ring important in aluminum alloy production process process, and melting of the alloy addition element in molten aluminum is the weight of alloying
Want process.
During aluminium and aluminium alloy smelting, need to add the metals such as titanium, copper, manganese, iron adjust aluminium alloy at being grouped as.
In the prior art, domestic aluminium alloy is mixed even rear compression moulding by metal powder and fluxing agent with metallic addition, wherein fluxing
Agent is one or more of potassium fluoride, potassium fluoroaluminate, cryolite and other halide salts classes, higher cost
Summary of the invention
In view of the above existing problems in the prior art, the present invention provides a kind of high hardness aluminium alloy melting metallic additions
And application method, the melting of metallic element can be effectively facilitated, the scaling loss of metallic element is reduced, casting yield is improved, waste residue is passed through
Crushing and screening is guaranteeing that metal Additive Properties are stable, casting yield is high as the fluxing agent of aluminium alloy smelting metallic addition
While, substantially reduce its production cost.
To achieve the goals above, the technical solution adopted by the present invention is that: a kind of high hardness aluminium alloy melting is added with metal
Add agent and application method, which is characterized in that it is characterized in that, each ingredient component by weight is as follows: 25~29 parts of metal powder, height
Grade 3.5~6.5 parts of stearic acid, 11.5~14.5 parts of fluxing agent, 13.5~17.5 parts of alloying element, 20~24 parts of paraffin, carbonic acid
7~11 parts of hydrogen ammonium, 5~9 parts of potassium nitrate, 4~13 parts of aluminium powder, 14~19 parts of hydride powder, 1~4 part of sylvite.Including following step
It is rapid:
Temperature of aluminum liquid described in a kind of high hardness aluminium alloy melting metallic addition of the present invention and application method reaches 750
The metallic addition is put into after~780 DEG C, after static 15 minutes, is warming up to 800~820 DEG C, static 25~35 minutes, aluminium alloy
2.5%~3.0% -225 mesh hydride powders are added in melting metallic addition, are found by experiment that, in aluminum melt temperature
Metallic addition is added under the conditions of being 740~760 DEG C, the decomposition reaction of similar small explosion occurs in aluminum melt for hydride powder,
It is dispersed in metallic element in aluminum melt, prevents each metal component of aluminium alloy and be segregated, while during decomposition reaction
The a large amount of heat of release, increases aluminum melt local temperature, promotes the melting of metallic element, and addition temperature is low, and low energy consumption, reduces gold
Belong to the scaling loss of element, improves casting yield, then aluminum melt temperature is risen to 800~830 DEG C, improve alloying reaction rate.
The metal powder is one or more of titanium, copper, manganese, iron.
The metal powder purity is greater than 99%.
The fluxing agent is fluoaluminic acid.
The raw material mixes according to the ratio, and the alloying element is added in powder form.
The hydride powder granularity is -225 mesh.
The metal powder granularity is -50 mesh.
The aluminum powder particle size is -115 mesh.
The metallic addition and its application method can effectively facilitate the melting of metallic element, reduce the scaling loss of metallic element,
Casting yield is improved, waste residue is passed through into crushing and screening, as the fluxing agent of aluminium alloy smelting metallic addition, is guaranteeing that metal adds
While adding that agent performance is stable, casting yield is high, its production cost is substantially reduced.
Specific embodiment
Case study on implementation one:
A kind of high hardness aluminium alloy melting metallic addition and application method, which is characterized in that each ingredient group by weight
Divide as follows: 25 parts of metal powder, 3.5 parts of advanced stearic acid, 11.5 parts of fluxing agent, 13.5 parts of alloying element, 20 parts of paraffin, carbonic acid
7 parts of hydrogen ammonium, 5 parts of potassium nitrate, 4 parts of aluminium powder, 14 parts of hydride powder, 1 part of sylvite.The following steps are included:
Temperature of aluminum liquid described in a kind of high hardness aluminium alloy melting metallic addition of the present invention and application method reaches 750
The metallic addition is put into after DEG C, after static 15 minutes, is warming up to 800 DEG C, static 25 minutes, aluminium alloy smelting was added with metal
2.5% -225 mesh hydride powders are added in agent, are found by experiment that, metal is added under the conditions of aluminum melt temperature is 740 DEG C
The decomposition reaction of similar small explosion occurs in aluminum melt, metallic element is made to be dispersed in aluminum melt for additive, hydride powder
In, prevent each metal component of aluminium alloy and be segregated, while discharging a large amount of heat during decomposition reaction, makes aluminum melt part temperature
Degree increases, and promotes the melting of metallic element, and addition temperature is low, and low energy consumption, reduces the scaling loss of metallic element, improves casting yield, then
Aluminum melt temperature is risen to 800 DEG C, improves alloying reaction rate.
The metal powder is one or more of titanium, copper, manganese, iron.
The metal powder purity is greater than 99%.
The fluxing agent is fluoaluminic acid.
The raw material mixes according to the ratio, and the alloying element is added in powder form.
The hydride powder granularity is -225 mesh.
The metal powder granularity is -50 mesh.
The aluminum powder particle size is -115 mesh.
Case study on implementation two:
A kind of high hardness aluminium alloy melting metallic addition and application method, which is characterized in that each ingredient group by weight
Divide as follows: 29 parts of metal powder, 6.5 parts of advanced stearic acid, 14.5 parts of fluxing agent, 17.5 parts of alloying element, 24 parts of paraffin, carbonic acid
11 parts of hydrogen ammonium, 9 parts of potassium nitrate, 13 parts of aluminium powder, 19 parts of hydride powder, 4 parts of sylvite.The following steps are included:
Temperature of aluminum liquid described in a kind of high hardness aluminium alloy melting metallic addition of the present invention and application method reaches 780
The metallic addition is put into after DEG C, after static 15 minutes, is warming up to 820 DEG C, static 35 minutes, aluminium alloy smelting was added with metal
3.0% -225 mesh hydride powders are added in agent, are found by experiment that, metal is added under the conditions of aluminum melt temperature is 760 DEG C
The decomposition reaction of similar small explosion occurs in aluminum melt, metallic element is made to be dispersed in aluminum melt for additive, hydride powder
In, prevent each metal component of aluminium alloy and be segregated, while discharging a large amount of heat during decomposition reaction, makes aluminum melt part temperature
Degree increases, and promotes the melting of metallic element, and addition temperature is low, and low energy consumption, reduces the scaling loss of metallic element, improves casting yield, then
Aluminum melt temperature is risen to 830 DEG C, improves alloying reaction rate.
The metal powder is one or more of titanium, copper, manganese, iron.
The metal powder purity is greater than 99%.
The fluxing agent is fluoaluminic acid.
The raw material mixes according to the ratio, and the alloying element is added in powder form.
The hydride powder granularity is -225 mesh.
The metal powder granularity is -50 mesh.
The aluminum powder particle size is -115 mesh.
Case study on implementation three:
A kind of high hardness aluminium alloy melting metallic addition and application method, which is characterized in that each ingredient group by weight
Divide as follows: 27 parts of metal powder, 5.5 parts of advanced stearic acid, 12.5 parts of fluxing agent, 15 parts of alloying element, 22 parts of paraffin, bicarbonate
9 parts of ammonium, 6 parts of potassium nitrate, 8 parts of aluminium powder, 12.5 parts of hydride powder, 2.5 parts of sylvite.The following steps are included:
Temperature of aluminum liquid described in a kind of high hardness aluminium alloy melting metallic addition of the present invention and application method reaches 760
The metallic addition is put into after DEG C, after static 15 minutes, is warming up to 810 DEG C, static 30 minutes, aluminium alloy smelting was added with metal
2.8% -225 mesh hydride powders are added in agent, are found by experiment that, metal is added under the conditions of aluminum melt temperature is 750 DEG C
The decomposition reaction of similar small explosion occurs in aluminum melt, metallic element is made to be dispersed in aluminum melt for additive, hydride powder
In, prevent each metal component of aluminium alloy and be segregated, while discharging a large amount of heat during decomposition reaction, makes aluminum melt part temperature
Degree increases, and promotes the melting of metallic element, and addition temperature is low, and low energy consumption, reduces the scaling loss of metallic element, improves casting yield, then
Aluminum melt temperature is risen to 820 DEG C, improves alloying reaction rate.
The metal powder is one or more of titanium, copper, manganese, iron.
The metal powder purity is greater than 99%.
The fluxing agent is fluoaluminic acid.
The raw material mixes according to the ratio, and the alloying element is added in powder form.
The hydride powder granularity is -225 mesh.
The metal powder granularity is -50 mesh.
The aluminum powder particle size is -115 mesh.
By the way that metallic addition is added in aluminum melt, point of similar small explosion occurs the present invention in aluminum melt for hydride powder
Solution reaction, is dispersed in metallic element in aluminum melt, prevents each metal component of aluminium alloy and be segregated, while decomposition reaction
The a large amount of heat of release in the process, increases aluminum melt local temperature, promotes the melting of metallic element, and addition temperature is low, and low energy consumption,
The scaling loss of metallic element is reduced, casting yield is improved, improves alloying reaction rate.
The present invention can effectively facilitate the melting of metallic element, reduce the scaling loss of metallic element, improve casting yield, waste residue is passed through
Crushing and screening is crossed, as the fluxing agent of aluminium alloy smelting metallic addition, is guaranteeing metal Additive Properties stabilization, casting yield
While high, its production cost is substantially reduced.
Claims (8)
1. a kind of high hardness aluminium alloy melting metallic addition and application method, which is characterized in that each ingredient component by weight
It is as follows: 25~29 parts of metal powder, 3.5~6.5 parts of advanced stearic acid, 11.5~14.5 parts of fluxing agent, alloying element 13.5~
17.5 parts, 20~24 parts of paraffin, 7~11 parts of ammonium hydrogen carbonate, 5~9 parts of potassium nitrate, 4~13 parts of aluminium powder, hydride powder 14~19
Part, 1~4 part of sylvite.
2. a kind of high hardness aluminium alloy melting metallic addition as described in claim 1, it is characterised in that the metal
Powder is one or more of titanium, copper, manganese, iron.
3. a kind of high hardness aluminium alloy melting metallic addition as described in claim 1, the metal powder purity are big
In 99%.
4. a kind of high hardness aluminium alloy melting metallic addition as described in claim 1, the fluxing agent is fluoaluminic acid.
5. a kind of high hardness aluminium alloy melting metallic addition application method as described in claim 1, which is characterized in that will
The raw material mixes according to the ratio, and the alloying element is added in powder form.
6. a kind of high hardness aluminium alloy melting metallic addition according to claim 1, it is characterised in that the hydrogen
Change titanium valve granularity is -225 mesh.
7. a kind of high hardness aluminium alloy melting metallic addition of gold according to claim 1, it is characterised in that described
Metal powder granularity is -50 mesh.
8. a kind of high hardness aluminium alloy melting metallic addition according to claim 1, it is characterised in that the aluminium
Powder Particle Size is -115 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099222.8A CN109207750A (en) | 2018-09-20 | 2018-09-20 | A kind of high hardness aluminium alloy melting metallic addition and application method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811099222.8A CN109207750A (en) | 2018-09-20 | 2018-09-20 | A kind of high hardness aluminium alloy melting metallic addition and application method |
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| CN109207750A true CN109207750A (en) | 2019-01-15 |
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| CN201811099222.8A Withdrawn CN109207750A (en) | 2018-09-20 | 2018-09-20 | A kind of high hardness aluminium alloy melting metallic addition and application method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218886A (en) * | 2019-06-27 | 2019-09-10 | 河北四通新型金属材料股份有限公司 | A kind of aluminium alloy copper additive and its production method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946910A (en) * | 2015-06-29 | 2015-09-30 | 湖南创元铝业有限公司 | Aluminum alloy additive |
| CN104988340A (en) * | 2015-06-05 | 2015-10-21 | 沧州东盛金属添加剂制造有限公司 | Porous modificationloose metal additive and preparation method and application thereof |
| CN105861869A (en) * | 2016-06-21 | 2016-08-17 | 昆明冶金研究院 | Metal additive for aluminum alloy smelting |
| CN105886808A (en) * | 2016-06-21 | 2016-08-24 | 昆明冶金研究院 | Metal additive for aluminum alloy smelting and using method thereof |
-
2018
- 2018-09-20 CN CN201811099222.8A patent/CN109207750A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104988340A (en) * | 2015-06-05 | 2015-10-21 | 沧州东盛金属添加剂制造有限公司 | Porous modificationloose metal additive and preparation method and application thereof |
| CN104946910A (en) * | 2015-06-29 | 2015-09-30 | 湖南创元铝业有限公司 | Aluminum alloy additive |
| CN105861869A (en) * | 2016-06-21 | 2016-08-17 | 昆明冶金研究院 | Metal additive for aluminum alloy smelting |
| CN105886808A (en) * | 2016-06-21 | 2016-08-24 | 昆明冶金研究院 | Metal additive for aluminum alloy smelting and using method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218886A (en) * | 2019-06-27 | 2019-09-10 | 河北四通新型金属材料股份有限公司 | A kind of aluminium alloy copper additive and its production method |
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