CN103320631B - Preparation method of nanoscale silicon carbide magnesium alloy material - Google Patents
Preparation method of nanoscale silicon carbide magnesium alloy material Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by 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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1047—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- C22C23/02—Alloys based on magnesium with aluminium as the next major constituent
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Abstract
The invention provides a preparation method of a nanoscale silicon carbide magnesium alloy material. The nanoscale silicon carbide magnesium alloy material is prepared by uniformly dispersing and distributing a light nanoscale silicon carbide material through particle fine treatment in the magnesium alloy material. The nanoscale silicon carbide magnesium alloy material comprises the following components in percentage by weight: 1-1.5% of nanoscale silicon carbide, 10-11.5% of aluminum, 1.1-1.8% of zinc, 0.05-0.2% of manganese, less than or equal to 0.2% of inevitable impurities, and the balance of magnesium. According to the preparation method of the nanoscale silicon carbide magnesium alloy material provided by the invention, higher solid solubility is formed in a magnesium alloy substrate by means of characteristics of high hardness and wear resistance and the like of nanoscale silicon carbide, so that the stretching and compressing yield strength is enhanced while the welding performance, corrosion resistance and malleability of the nanoscale magnesium alloy material are ensured.
Description
Technical field
The preparation method that the present invention relates to a kind of nanoscale silicon carbide magnesium alloy material and the nanoscale silicon carbide magnesium alloy material prepared according to the method.
Background technology
Nanometer silicon carbide (SiC) is a kind of by certain technical qualification, preparation on the basis of common carbofrax material and a kind of nano material of going out.It is high that nanometer silicon carbide has purity, and particle diameter is little, is evenly distributed, specific surface area is large, high surface, loose density is low, fabulous mechanics, calorifics, electricity and chemical property, namely have high rigidity, high-wearing feature and good self-lubricating, high thermoconductivity, low thermal coefficient of expansion and the feature such as hot strength is large.
It is little that magnesium alloy has density, the features such as intensity is high, plasticity, good toughness, and weldability is good, therefore, the fields such as aerospace industry, military industry field, field of traffic (comprising automotive industry, airplane industry, motorcycle industry, bicycle industry etc.), 3C are mainly used in.
But in special applications, the high-tech areas such as its performance is difficult to meet, such as aerospace to light material inhale make an uproar, damping, radiation-resistant requirement.
Summary of the invention
The object of this invention is to provide a kind of preparation method of high-strength light nanoscale silicon carbide magnesium alloy material, with meet further the high-tech areas such as aerospace light material inhaled make an uproar, damping, radiation-resistant requirement, and improve the gasdynamics performance of aircraft and obviously alleviate structural weight.
In order to realize foregoing invention object, the technical solution used in the present invention is as follows:
A preparation method for nanoscale silicon carbide magnesium alloy material, comprises the following steps:
1) prepare burden: take the nanometer silicon carbide accounting for gross weight 1-1.5% according to part by weight, account for the aluminium ingot of gross weight 10-11.5%, account for the zinc ingot metal of gross weight 1.2-1.8%, account for the manganese ingot of gross weight 0.05-0.25% and account for the magnesium ingot of gross weight 84.95-87.75%;
2) melting: a crucible point gradient is placed in the middle of main frequency furnace, slowly adjust voltage and the removal of contamination on preheated crucible surface, preheating temperature is 500 DEG C; Being placed in by described magnesium ingot in crucible slowly heats makes magnesium ingot slowly melt, and smelting time is 1.5-2 hour, and temperature is 700 DEG C; After described magnesium ingot melts completely, be filled with rare gas element, and after being warming up to 760 DEG C, add described aluminium ingot, zinc ingot metal and manganese ingot, open vibrating device 15-20 minute, form the aluminium alloy fully merged;
3) nanometer silicon carbide is added: nanometer silicon carbide is added to described aluminium alloy surface, and use graphite rod to stir, to form the homogeneous static 5-10 minute of silicon carbide liquid magnesium alloy;
4) composition inspection: the chemical composition determining described silicon carbide liquid magnesium alloy;
5) die casting: open the aluminium alloy transferpump with main frequency furnace one, the described silicon carbide liquid magnesium alloy be up to the standards by composition is transported in pressure die-casting machine, carries out Die Casting;
6) process: the foundry goods that die casting completes carries out surface working process, and packs according to factory calibration.
In an embodiment of preparation method disclosed by the invention, step 1) comprise powdered process aluminium ingot and zinc ingot metal further, and further powdered process manganese ingot.
Step 2) in the capacity of crucible be preferably 50 kilograms, described main frequency furnace capacity is preferably long 1500mm × wide 1500mm × high 1000mm, and rare gas element is preferably nitrogen.
Step 3) described in nanometer silicon carbide particle diameter be preferably 100nm ~ 800nm.
Step 4) the described composition method of inspection preferably adopts cylindrical sampling container, and take out the 3-5 increment product of diameter 15mm length 50mm, carry out spectroscopic analysis.
Step 5) described pressure die-casting machine is preferably hot chamber machine.
Present invention also offers the nanoscale silicon carbide magnesium alloy material prepared according to the preparation method of above-mentioned nanoscale silicon carbide magnesium alloy material, composed of the following components: nanometer silicon carbide accounts for the 1-1.5% of gross weight, aluminium accounts for the 10-11.5% of gross weight, zinc accounts for the 1.2-1.8% of gross weight, manganese accounts for the 0.05-0.25% of gross weight, inevitable impurity summation account for gross weight≤0.2%, surplus is magnesium.
The present invention by lightweight nanometer silicon carbide material through grain refine process, even dispersion is distributed in magnesium alloy materials, utilize nanometer silicon carbide high rigidity, the features such as high-wearing feature form higher solid solubility in magnesium alloy substrate, thus complete nanometer Mg alloy material in guarantee welding property, tension and compression yield strength is promoted further while erosion resistance and ductility, meet the high-tech areas such as aerospace further to make an uproar to light material suction, damping, radiation-resistant requirement, and significantly improve the gasdynamics performance of aircraft and alleviate its structural weight.
Accompanying drawing explanation
Fig. 1 is preparation method's schema of nanoscale silicon carbide magnesium alloy material provided by the invention.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but and unrestricted range of application of the present invention.In following embodiment, nanometer silicon carbide of mentioning all is manufactured by known technology means.
embodiment 1
A kind of preparation method of nanoscale silicon carbide magnesium alloy material:
Step one: batching: take 1% nanometer silicon carbide accounting for gross weight according to part by weight, account for the aluminium ingot of 10% of gross weight, account for the zinc ingot metal of 1.2% of gross weight, the manganese ingot accounting for 0.05% of gross weight and account for gross weight 87.75% magnesium ingot.
Step 2: melting: a crucible point gradient is placed in the middle of main frequency furnace, slowly adjust voltage and preheated crucible surface removal of contamination, preheating temperature is 500 DEG C; Being placed in by described magnesium ingot in crucible slowly heats makes magnesium ingot slowly melt, and smelting time is 1.5-2 hour, and temperature is 700 DEG C; After described magnesium ingot melts completely, be filled with rare gas element, and after being warming up to 760 DEG C, add described aluminium ingot, zinc ingot metal and manganese ingot, open vibrating device 15-20 minute, form the aluminium alloy fully merged.
Step 3: add nanometer silicon carbide: nanometer silicon carbide is added to described aluminium alloy surface, and use graphite rod to stir, to form the homogeneous static 5-10 minute of silicon carbide liquid magnesium alloy.
Step 4: composition is checked: the chemical composition determining described silicon carbide liquid magnesium alloy.
Step 5: die casting: open the aluminium alloy transferpump with main frequency furnace one, the described silicon carbide liquid magnesium alloy be up to the standards by composition is transported in pressure die-casting machine, carries out Die Casting.
Step 6: processing: the foundry goods that die casting completes carries out surface working process, and packs according to factory calibration.
According to nanoscale silicon carbide magnesium alloy material prepared by the preparation method of above-mentioned nanoscale silicon carbide magnesium alloy material, composed of the following components: nanometer silicon carbide accounts for 1% of gross weight, aluminium accounts for 10% of gross weight, zinc accounts for 1.2% of gross weight, manganese accounts for 0.05% of gross weight, inevitable impurity summation account for gross weight≤0.2%, surplus is magnesium.
Embodiment 2
A kind of preparation method of nanoscale silicon carbide magnesium alloy material:
Step one: batching: take 1.5% nanometer silicon carbide accounting for gross weight according to part by weight, account for the aluminium ingot of 11.5% of gross weight, account for the zinc ingot metal of 1.8% of gross weight, the manganese ingot accounting for 0.25% of gross weight and account for gross weight 84.95% magnesium ingot, and powdered process aluminium ingot and zinc ingot metal.
Step 2: melting: a crucible point gradient is placed in the middle of main frequency furnace, slowly adjust voltage and the removal of contamination on preheated crucible surface, preheating temperature is 500 DEG C; Being placed in by described magnesium ingot in crucible slowly heats makes magnesium ingot slowly melt, and smelting time is 1.5-2 hour, and temperature is 700 DEG C; Rare gas element is filled with after described magnesium ingot melts completely, and the aluminium ingot added after being warming up to 760 DEG C after above-mentioned powdered process and zinc ingot metal and manganese ingot, open vibrating device 15-20 minute, form the aluminium alloy fully merged.
Step 3: add nanometer silicon carbide: nanometer silicon carbide is added to described aluminium alloy surface, and use graphite rod to stir, to form the homogeneous static 5-10 minute of silicon carbide liquid magnesium alloy.
Step 4: composition is checked: the chemical composition determining described silicon carbide liquid magnesium alloy.
Step 5: die casting: open the aluminium alloy transferpump with main frequency furnace one, the described silicon carbide liquid magnesium alloy be up to the standards by composition is transported in pressure die-casting machine, carries out Die Casting.
Step 6: processing: the foundry goods that die casting completes carries out surface working process, and packs according to factory calibration.
According to nanoscale silicon carbide magnesium alloy material prepared by the preparation method of above-mentioned nanoscale silicon carbide magnesium alloy material, composed of the following components: nanometer silicon carbide accounts for 1.5% of gross weight, aluminium accounts for 11.5% of gross weight, zinc accounts for 1.8% of gross weight, manganese accounts for 0.25% of gross weight, inevitable impurity summation account for gross weight≤0.2%, surplus is magnesium.
embodiment 3
A kind of preparation method of nanoscale silicon carbide magnesium alloy material:
Step one: batching: take 1% nanometer silicon carbide accounting for gross weight according to part by weight, account for the aluminium ingot of 11.5% of gross weight, account for the zinc ingot metal of 1.5% of gross weight, the manganese ingot accounting for 0.16% of gross weight and account for gross weight 85.84% magnesium ingot, and powdered process aluminium ingot, zinc ingot metal and manganese ingot;
Step 2: melting: capacity is that the crucible point gradient of 50 kilograms is placed in the middle of the main frequency furnace that capacity is long 1500mm × wide 1500mm × high 1000mm.Slow adjustment voltage the removal of contamination on preheated crucible surface, preheating temperature is 500 DEG C; Being placed in by described magnesium ingot in crucible slowly heats makes magnesium ingot slowly melt, and smelting time is 1.5-2 hour, and temperature is 700 DEG C; After described magnesium ingot melts completely, be filled with rare gas element, and after being warming up to 760 DEG C, add aluminium ingot, zinc ingot metal and manganese ingot after above-mentioned powdered process, open vibrating device 15-20 minute, form the aluminium alloy fully merged.
Step 3: add nanometer silicon carbide: nanometer silicon carbide is added to described aluminium alloy surface, and use graphite rod to stir, to form the homogeneous static 5-10 minute of silicon carbide liquid magnesium alloy.
Step 4: composition is checked: the chemical composition determining described silicon carbide liquid magnesium alloy.
Step 5: die casting: open the aluminium alloy transferpump with main frequency furnace one, the described silicon carbide liquid magnesium alloy be up to the standards by composition is transported in pressure die-casting machine, carries out Die Casting.
Step 6: processing: the foundry goods that die casting completes carries out surface working process, and packs according to factory calibration.
According to nanoscale silicon carbide magnesium alloy material prepared by the preparation method of above-mentioned nanoscale silicon carbide magnesium alloy material, composed of the following components: nanometer silicon carbide accounts for 1% of gross weight, aluminium accounts for 11.5% of gross weight, zinc accounts for 1.5% of gross weight, manganese accounts for 0.16% of gross weight, inevitable impurity summation account for gross weight≤0.2%, surplus is magnesium.
embodiment 4
A kind of preparation method of nanoscale silicon carbide magnesium alloy material:
Step one: batching: take 1.2% nanometer silicon carbide accounting for gross weight according to part by weight, account for the aluminium ingot of 11% of gross weight, account for the zinc ingot metal of 1.4% of gross weight, the manganese ingot accounting for 0.2% of gross weight and account for gross weight 86.2% magnesium ingot, and powdered process aluminium ingot, zinc ingot metal and manganese ingot;
Step 2: melting: capacity is that the crucible point gradient of 50 kilograms is placed in the middle of the main frequency furnace that capacity is long 1500mm × wide 1500mm × high 1000mm, slowly adjust voltage and the removal of contamination on preheated crucible surface, preheating temperature is 500 DEG C; Being placed in by described magnesium ingot in crucible slowly heats makes magnesium ingot slowly melt, and smelting time is 1.5-2 hour, and temperature is 700 DEG C; After described magnesium ingot melts completely, be filled with rare gas element, and after being warming up to 760 DEG C, add described aluminium ingot, zinc ingot metal and manganese ingot, open vibrating device 15-20 minute, form the aluminium alloy fully merged.
Step 3: add nanometer silicon carbide: nanometer silicon carbide is added to described aluminium alloy surface, and use graphite rod to stir, to form the homogeneous static 5-10 minute of silicon carbide liquid magnesium alloy.
Step 4: composition is checked: adopt cylindrical sampling container, takes out the 3-5 increment product of diameter 15mm length 50mm, carries out spectroscopic analysis, determine the chemical composition of described silicon carbide liquid magnesium alloy.
Step 5: die casting: open the aluminium alloy transferpump with main frequency furnace one, the described silicon carbide liquid magnesium alloy be up to the standards by composition is transported in hot chamber machine, carries out Die Casting.
Step 6: processing: the foundry goods that die casting completes carries out surface working process, and packs according to factory calibration.
According to nanoscale silicon carbide magnesium alloy material prepared by the preparation method of above-mentioned nanoscale silicon carbide magnesium alloy material, composed of the following components: nanometer silicon carbide accounts for 1.2% of gross weight, aluminium accounts for 11% of gross weight, zinc accounts for 1.4% of gross weight, manganese accounts for 0.2% of gross weight, inevitable impurity summation account for gross weight≤0.2%, surplus is magnesium.
embodiment 5
A kind of preparation method of nanoscale silicon carbide magnesium alloy material:
Step one: batching: take 1.3% nanometer silicon carbide accounting for gross weight according to part by weight, account for the aluminium ingot of 10.5% of gross weight, account for the zinc ingot metal of 1.6% of gross weight, the manganese ingot accounting for 0.15% of gross weight and account for gross weight 86.45% magnesium ingot, and powdered process aluminium ingot, zinc ingot metal and manganese ingot;
Step 2: melting: capacity is that the crucible point gradient of 50 kilograms is placed in the middle of the main frequency furnace that capacity is long 1500mm × wide 1500mm × high 1000mm, slowly adjust voltage and the removal of contamination on preheated crucible surface, preheating temperature is 500 DEG C; Being placed in by described magnesium ingot in crucible slowly heats makes magnesium ingot slowly melt, and smelting time is 1.5-2 hour, and temperature is 700 DEG C; After described magnesium ingot melts completely, be filled with rare gas element, and after being warming up to 760 DEG C, add described aluminium ingot, zinc ingot metal and manganese ingot, open vibrating device 15-20 minute, form the aluminium alloy fully merged.
Step 3: add nanometer silicon carbide: nanometer silicon carbide is added to described aluminium alloy surface, and use graphite rod to stir, to form the homogeneous static 5-10 minute of silicon carbide liquid magnesium alloy.
Step 4: composition is checked: adopt cylindrical sampling container, takes out the 3-5 increment product of diameter 15mm length 50mm, carries out spectroscopic analysis, determine the chemical composition of described silicon carbide liquid magnesium alloy.
Step 5: die casting: open the aluminium alloy transferpump with main frequency furnace one, the described silicon carbide liquid magnesium alloy be up to the standards by composition is transported in hot chamber machine, carries out Die Casting.
Step 6: processing: the foundry goods that die casting completes carries out surface working process, and packs according to factory calibration.
According to nanoscale silicon carbide magnesium alloy material prepared by the preparation method of above-mentioned nanoscale silicon carbide magnesium alloy material, composed of the following components: nanometer silicon carbide accounts for 1.3% of gross weight, aluminium accounts for 10.5% of gross weight, zinc accounts for 1.6% of gross weight, manganese accounts for 0.15% of gross weight, inevitable impurity summation account for gross weight≤0.2%, surplus is magnesium.
The foregoing is only preferred embodiment of the present invention, be not used for limiting practical range of the present invention; If do not depart from the spirit and scope of the present invention, the present invention is modified or equivalent to replace, in the middle of the protection domain that all should be encompassed in the claims in the present invention.
Claims (8)
1. a preparation method for nanoscale silicon carbide magnesium alloy material, is characterized in that, comprises the following steps:
1) prepare burden: take the nanometer silicon carbide accounting for gross weight 1-1.5% according to part by weight, account for the aluminium ingot of gross weight 10-11.5%, account for the zinc ingot metal of gross weight 1.2-1.8%, account for the manganese ingot of gross weight 0.05-0.25% and account for the magnesium ingot of gross weight 84.95-87.75%;
2) melting: a crucible point gradient is placed in the middle of main frequency furnace, slowly adjusts voltage and preheated crucible is surperficial, removal of contamination, and preheating temperature is 500 DEG C; Being placed in by described magnesium ingot in crucible slowly heats makes magnesium ingot slowly melt, and smelting time is 1.5-2 hour, and temperature is 700 DEG C; After described magnesium ingot melts completely, be filled with rare gas element, and after being warming up to 760 DEG C, add described aluminium ingot, zinc ingot metal and manganese ingot, open vibrating device 15-20 minute, form the aluminium alloy fully merged;
3) nanometer silicon carbide is added: nanometer silicon carbide is added to described aluminium alloy surface, and use graphite rod to stir, to form the homogeneous static 5-10 minute of silicon carbide liquid magnesium alloy;
4) composition inspection: the chemical composition determining described silicon carbide liquid magnesium alloy;
5) die casting: open the aluminium alloy transferpump with main frequency furnace one, the described silicon carbide liquid magnesium alloy be up to the standards by composition is transported in pressure die-casting machine, carries out Die Casting;
6) process: the foundry goods that die casting completes carries out surface working process, and packs according to factory calibration.
2. the preparation method of nanoscale silicon carbide magnesium alloy material as claimed in claim 1, is characterized in that, step 1) comprise powdered process aluminium ingot and zinc ingot metal further.
3. the preparation method of nanoscale silicon carbide magnesium alloy material as claimed in claim 2, is characterized in that, step 1) comprise powdered process manganese ingot further.
4. the preparation method of nanoscale silicon carbide magnesium alloy material as claimed in claim 1, is characterized in that, step 2) described in the capacity of crucible be 50 kilograms, described main frequency furnace capacity is long 1500mm × wide 1500mm × high 1000mm.
5. the preparation method of nanoscale silicon carbide magnesium alloy material as claimed in claim 1, is characterized in that, step 2) described in rare gas element be nitrogen.
6. the preparation method of nanoscale silicon carbide magnesium alloy material as claimed in claim 1, is characterized in that, step 3) described in nanometer silicon carbide particle diameter be 100nm ~ 800nm.
7. the preparation method of nanoscale silicon carbide magnesium alloy material as claimed in claim 1, is characterized in that, step 4) the described composition method of inspection is for adopting cylindrical sampling container, and the 3-5 increment product of taking-up diameter 15mm length 50mm, carry out spectroscopic analysis.
8. the preparation method of nanoscale silicon carbide magnesium alloy material as claimed in claim 1, is characterized in that, step 5) described pressure die-casting machine is hot chamber machine.
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| CN201310259269.7A CN103320631B (en) | 2013-06-26 | 2013-06-26 | Preparation method of nanoscale silicon carbide magnesium alloy material |
| PCT/CN2013/000802 WO2014205608A1 (en) | 2013-06-26 | 2013-06-28 | Method for manufacturing nanoscale silicon carbide magnesium alloy material |
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| CN103789837A (en) * | 2014-01-16 | 2014-05-14 | 燕山大学 | High-toughness anti-corrosion magnesium alloy anti-radiation nano whisker |
| CN105256206A (en) * | 2015-10-30 | 2016-01-20 | 无棣向上机械设计服务有限公司 | Thermal-deformation-resistant magnesium alloy |
| CN107523727A (en) * | 2016-06-20 | 2017-12-29 | 张家港市华舰五金工具有限公司 | Magnesium-based composite material doped with carborundum and preparation method thereof |
| CN113025930A (en) * | 2019-12-24 | 2021-06-25 | 南通耀龙金属制造有限公司 | Environment-friendly enhanced magnesium-aluminum alloy material and preparation method thereof |
| JP7466765B2 (en) * | 2021-05-07 | 2024-04-12 | 三菱電機株式会社 | Blower, air conditioner and refrigeration cycle device |
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| CN101376276A (en) * | 2007-08-31 | 2009-03-04 | 清华大学 | Magnesium-base compound material and preparation method thereof |
| CN101633991A (en) * | 2008-07-22 | 2010-01-27 | 日月星尖端生技轻金属材料有限公司 | Magnesium alloy composite material with doped particles |
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| JPH073361A (en) * | 1991-07-03 | 1995-01-06 | Takao Cho | Production of dispersed grain-reinforced magnesium composite material |
| CN1317411C (en) * | 2005-04-14 | 2007-05-23 | 北京科技大学 | Nano granule reinforced high-tough cast magnesium alloy and its preparing and shaping process |
| JP5035717B2 (en) * | 2005-06-24 | 2012-09-26 | 独立行政法人産業技術総合研究所 | Superplastic magnesium alloy manufacturing method from grain boundary precipitation type magnesium alloy scrap |
| CN101045965A (en) * | 2007-04-16 | 2007-10-03 | 南昌大学 | Semi-solid prepn process of SiCp/AZ61 composite material |
| CN102943198B (en) * | 2012-12-05 | 2014-10-15 | 哈尔滨工业大学 | Preparation method of double-size silicon carbide particle hybrid reinforced magnesium matrix composite material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101376276A (en) * | 2007-08-31 | 2009-03-04 | 清华大学 | Magnesium-base compound material and preparation method thereof |
| CN101633991A (en) * | 2008-07-22 | 2010-01-27 | 日月星尖端生技轻金属材料有限公司 | Magnesium alloy composite material with doped particles |
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