CN107747007A - A kind of high-strength corrosion-resisting Al alloy composite - Google Patents
A kind of high-strength corrosion-resisting Al alloy composite Download PDFInfo
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- CN107747007A CN107747007A CN201711020832.XA CN201711020832A CN107747007A CN 107747007 A CN107747007 A CN 107747007A CN 201711020832 A CN201711020832 A CN 201711020832A CN 107747007 A CN107747007 A CN 107747007A
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- resisting
- alloy composite
- strength corrosion
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- titanium
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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
- C22C21/003—Alloys based on aluminium containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium
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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
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
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- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses a kind of high-strength corrosion-resisting Al alloy composite, belong to field of compound material, titanium alloy material can be replaced in Medical Devices and equipment, reduce manufacturing cost, described Al alloy composite contains titanium elements and aluminium nitride and titanium nitride.
Description
Technical field
The present invention relates to Al alloy composite, a kind of specifically high-strength corrosion-resisting Al alloy composite
Background technology
Aluminium alloy is most widely used a kind of non-ferrous metal structural material in industry, in Aeronautics and Astronautics, automobile, machinery
Widely applied in manufacture, ship and chemical industry.The rapid development of industrial economy, to the demand day of Welded structural member
Benefit increases, and the Research on Weldability enabled aluminum alloy to is also goed deep into therewith.
And in area of medical devices, titanium and titanium alloy material are used extensively, but due to titanium and titanium alloy material
The mechanical property of material is bad, and use can be with disposable equipment, but in nonexpondable equipment particularly and human body is direct
It is higher by the cost of titanium alloy material using being restricted in the equipment of contact.
The content of the invention
It is an object of the invention to：For above-mentioned problem, there is provided a kind of high-strength corrosion-resisting aluminium alloy compound material
Material, described Al alloy composite contain titanium elements and aluminium nitride and titanium nitride.
Wherein preparation method is as follows：
Step 1: aluminium powder and titanium valve are carried out to removal of impurities and deoxygenation processing in vacuum melting furnace, and in the process of vacuum melting
It is central to add a small amount of rare and scatter element.
Step 2: 100 parts of aluminium powder, titanium valve 5-10 parts are mixed according to mass parts；
Step 3: the mixture after the heating stepses two in vacuum melting furnace, 10min-50min is kept at 700 DEG C -800 DEG C,
Next, which continues to be warming up at 1400 DEG C -1600 DEG C, keeps 10min-50min, by nitrogen in smelting furnace, and is pressed after logical nitrogen
According to 20 DEG C it is per minute carry out cooling processing, until dropping to 700 DEG C -800 DEG C, keep 1 H -2H;
Step 4: the mixture after step 3 is subjected to Ultrasonic Radiation ingot casting；
Step 5: carry out follow-up heat treatment.
As an improvement, described step five includes carrying out hot extrusion to composite.
As a further improvement, hot rolling treatment is carried out after hot extrusion.
As a further improvement, as further improvement is entered, solution treatment is carried out after hot rolling treatment.
Preferably, being passed through the subnormal ambient that nitrogen environment is -40Kpa, described nitrogen environment carries out heat before being passed through
Processing, temperature after heat treatment are usually less than the temperature of the smelting furnace added, smart to the pre-heat treatment of nitrogen more than 50 degree
Degree does not do too high requirement.
As an improvement, the high-purity titanium valve that it is more than 96% that the titanium valve of the step 1, which is purity, the side of titanium valve one of high-purity
Face can strengthen the corrosion resistance of composite, while the enhancing produced mutually will be free from substantial amounts of impurity, strengthen the purity of phase
Height, uniformity are strong.
As an improvement, the power of described Ultrasonic Radiation is 80*m W, wherein m is the quality of melt, in this power
Under, experiment is found, more densification, the crystal grain of composite are small and uniform.
As an improvement, using aluminum amount as 100 parts, the mass parts of rare and scatter element are 0.05-1 parts, wherein rare and scatter element gallium and
Cadmium, wherein ratio any combination, rare and scatter element can significantly improve the compactness of composite crystallization, improve mechanical property.
Composite corrosion resistance disclosed by the invention, Good Heat-resistance, and it is nonmagnetic nontoxic etc., can be in medical science
Upper replacement titanium alloy material.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Specific embodiment 1：Step 1: aluminium powder and titanium valve are carried out to removal of impurities and deoxygenation processing in vacuum melting furnace, and
A small amount of rare and scatter element is added among the process of vacuum melting, rare and scatter element is the matter of rare and scatter element using aluminum amount as 100 parts
Part is measured as 0.05 part, wherein rare and scatter element gallium,
Step 2: 100 parts of aluminium powder, 8 parts of titanium valve are mixed according to mass parts；
Step 3: the mixture after the heating stepses two in vacuum melting furnace, 20min is kept at 700 DEG C -800 DEG C, secondly after
Continuous be warming up at 1400 DEG C -1600 DEG C keeps 30min, by nitrogen in smelting furnace, and it is per minute according to 20 DEG C after logical nitrogen
Cooling processing is carried out, until dropping to 700 DEG C -800 DEG C, keeps 1 H -2H;
Step 4: the mixture after step 3 is carried out into Ultrasonic Radiation ingot casting, the power of Ultrasonic Radiation is 80*m W, wherein
M is the quality of melt
Step 5: carry out hot extrusion, hot rolling and solution treatment.
Specific embodiment 2：Step 1: aluminium powder and titanium valve are carried out to removal of impurities and deoxygenation processing in vacuum melting furnace, and
A small amount of rare and scatter element is added among the process of vacuum melting, rare and scatter element is the matter of rare and scatter element using aluminum amount as 100 parts
Part is measured as 1 part, wherein rare and scatter element cadmium,
Step 2: 100 parts of aluminium powder, 7 parts of titanium valve are mixed according to mass parts；
Step 3: the mixture after the heating stepses two in vacuum melting furnace, 10min is kept at 700 DEG C -800 DEG C, secondly after
Continuous be warming up at 1400 DEG C -1600 DEG C keeps 50min, by nitrogen in smelting furnace, and it is per minute according to 20 DEG C after logical nitrogen
Cooling processing is carried out, until dropping to 700 DEG C -800 DEG C, keeps 1 H -2H;
Step 4: the mixture after step 3 is carried out into Ultrasonic Radiation ingot casting, the power of Ultrasonic Radiation is 80*m W, wherein
M is the quality of melt
Step 5: carry out hot extrusion, hot rolling and solution treatment.
Specific embodiment 3：Step 1: aluminium powder and titanium valve are carried out to removal of impurities and deoxygenation processing in vacuum melting furnace, and
A small amount of rare and scatter element is added among the process of vacuum melting, rare and scatter element is the matter of rare and scatter element using aluminum amount as 100 parts
It is 0.1 part, wherein rare and scatter element gallium and cadmium, respectively 0.5 part to measure part
Step 2: 100 parts of aluminium powder, 10 parts of titanium valve are mixed according to mass parts；
Step 3: the mixture after the heating stepses two in vacuum melting furnace, 50min is kept at 700 DEG C -800 DEG C, secondly after
Continuous be warming up at 1400 DEG C -1600 DEG C keeps 25min, by nitrogen in smelting furnace, and it is per minute according to 20 DEG C after logical nitrogen
Cooling processing is carried out, until dropping to 700 DEG C -800 DEG C, keeps 1 H -2H;
Step 4: the mixture after step 3 is carried out into Ultrasonic Radiation ingot casting, the power of Ultrasonic Radiation is 80*m W, wherein
M is the quality of melt
Step 5: carry out hot extrusion, hot rolling and solution treatment.
Specific embodiment 4：Step 1: aluminium powder and titanium valve are carried out to removal of impurities and deoxygenation processing in vacuum melting furnace, and
A small amount of rare and scatter element is added among the process of vacuum melting, rare and scatter element is the matter of rare and scatter element using aluminum amount as 100 parts
Part is measured as 0.5 part, wherein rare and scatter element gallium and cadmium,
Step 2: 100 parts of aluminium powder, 5 parts of titanium valve are mixed according to mass parts；
Step 3: the mixture after the heating stepses two in vacuum melting furnace, 10min is kept at 700 DEG C -800 DEG C, secondly after
Continuous be warming up at 1400 DEG C -1600 DEG C keeps 20min, by nitrogen in smelting furnace, and it is per minute according to 20 DEG C after logical nitrogen
Cooling processing is carried out, until dropping to 700 DEG C -800 DEG C, keeps 1 H -2H;
Step 4: the mixture after step 3 is carried out into Ultrasonic Radiation ingot casting, the power of Ultrasonic Radiation is 80*m W, wherein
M is the quality of melt
Step 5: carry out hot extrusion, hot rolling and solution treatment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (9)
1. a kind of high-strength corrosion-resisting Al alloy composite, it is characterised in that described Al alloy composite contains titanium member
Element and aluminium nitride and titanium nitride.
2. high-strength corrosion-resisting Al alloy composite according to claim 1, it is characterised in that
Preparation method is as follows：
Step 1: aluminium powder and titanium valve are carried out to removal of impurities and deoxygenation processing in vacuum melting furnace, and in the process of vacuum melting
It is central to add a small amount of rare and scatter element；
Step 2: 100 parts of aluminium powder, titanium valve 5-10 parts are mixed according to mass parts；
Step 3: the mixture after the heating stepses two in vacuum melting furnace, 10min-50min is kept at 700 DEG C -800 DEG C,
Next, which continues to be warming up at 1400 DEG C -1600 DEG C, keeps 10min-50min, by nitrogen in smelting furnace, and is pressed after logical nitrogen
According to 20 DEG C it is per minute carry out cooling processing, until dropping to 700 DEG C -800 DEG C, keep 1 H -2H;
Step 4: the mixture after step 3 is subjected to Ultrasonic Radiation ingot casting；
Step 5: carry out follow-up heat treatment.
3. high-strength corrosion-resisting Al alloy composite according to claim 2, it is characterised in that described step five is wrapped
Include and hot extrusion is carried out to composite.
4. high-strength corrosion-resisting Al alloy composite according to claim 3, it is characterised in that characterized in that, heat
Hot rolling treatment is carried out after extrusion process.
5. high-strength corrosion-resisting Al alloy composite according to claim 4, it is characterised in that laggard in hot rolling treatment
Row solution treatment.
6. high-strength corrosion-resisting Al alloy composite according to claim 5, it is characterised in that be passed through nitrogen environment
For -40Kpa subnormal ambient, described nitrogen environment is heat-treated before being passed through.
7. high-strength corrosion-resisting Al alloy composite according to claim 6, it is characterised in that the titanium of the step 1
Powder is the high-purity titanium valve that purity is more than 96%.
8. high-strength corrosion-resisting Al alloy composite according to claim 7, it is characterised in that described ultrasonic amplitude
The power penetrated is 80*m W, and wherein m is the quality of melt.
9. high-strength corrosion-resisting Al alloy composite according to claim 1, it is characterised in that using aluminum amount as 100
Part, the mass parts of rare and scatter element are 0.05-1 parts, wherein rare and scatter element gallium and cadmium, and ratio is combined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711020832.XA CN107747007A (en) | 2017-10-27 | 2017-10-27 | A kind of high-strength corrosion-resisting Al alloy composite |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711020832.XA CN107747007A (en) | 2017-10-27 | 2017-10-27 | A kind of high-strength corrosion-resisting Al alloy composite |
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| CN107747007A true CN107747007A (en) | 2018-03-02 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1180383A (en) * | 1995-03-31 | 1998-04-29 | 默克专利股份有限公司 | TiB2 particulate ceramic reinforced Al-alloy metal-matrix composites |
| JP2002086293A (en) * | 2000-09-12 | 2002-03-26 | Furukawa Electric Co Ltd:The | Highly corrosion resistant aluminum alloy composite material for heat exchanger and corrosion preventive aluminum alloy for heat exchanger |
| CN1376805A (en) * | 2001-03-23 | 2002-10-30 | 中国科学院金属研究所 | High-strength in-situ Al-base composition |
| CN1540019A (en) * | 2003-10-27 | 2004-10-27 | 山东大学 | Method for preparing aluminium base alloy of containing T10 and AL2O3 particles |
| CN1676644A (en) * | 2005-04-26 | 2005-10-05 | 河北工业大学 | Ceramic granule reinforced aluminium-base composite material and its preparing method |
| JP2006316321A (en) * | 2005-05-13 | 2006-11-24 | Nippon Light Metal Co Ltd | Aluminum powder alloy composite material for neutron absorption, method for producing the same, and basket produced thereby |
-
2017
- 2017-10-27 CN CN201711020832.XA patent/CN107747007A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1180383A (en) * | 1995-03-31 | 1998-04-29 | 默克专利股份有限公司 | TiB2 particulate ceramic reinforced Al-alloy metal-matrix composites |
| JP2002086293A (en) * | 2000-09-12 | 2002-03-26 | Furukawa Electric Co Ltd:The | Highly corrosion resistant aluminum alloy composite material for heat exchanger and corrosion preventive aluminum alloy for heat exchanger |
| CN1376805A (en) * | 2001-03-23 | 2002-10-30 | 中国科学院金属研究所 | High-strength in-situ Al-base composition |
| CN1540019A (en) * | 2003-10-27 | 2004-10-27 | 山东大学 | Method for preparing aluminium base alloy of containing T10 and AL2O3 particles |
| CN1676644A (en) * | 2005-04-26 | 2005-10-05 | 河北工业大学 | Ceramic granule reinforced aluminium-base composite material and its preparing method |
| JP2006316321A (en) * | 2005-05-13 | 2006-11-24 | Nippon Light Metal Co Ltd | Aluminum powder alloy composite material for neutron absorption, method for producing the same, and basket produced thereby |
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Application publication date: 20180302 |
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