CN106119617A - A kind of aluminum zircaloy and powder metallurgy forming method thereof - Google Patents

A kind of aluminum zircaloy and powder metallurgy forming method thereof Download PDF

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CN106119617A
CN106119617A CN201610746459.5A CN201610746459A CN106119617A CN 106119617 A CN106119617 A CN 106119617A CN 201610746459 A CN201610746459 A CN 201610746459A CN 106119617 A CN106119617 A CN 106119617A
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gas
crucible
frock
aluminum
prepares
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CN106119617B (en
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谢石华
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Jiangsu Hua Ye Aluminum Polytron Technologies Inc
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • 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
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0408—Light metal alloys
    • C22C1/0416—Aluminium-based alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • B22F2009/0848—Melting process before atomisation

Abstract

The invention discloses a kind of aluminum zircaloy and powder metallurgy forming method thereof, this aluminum zircaloy is by weight containing aluminum 70% 75%, zirconium 25% 30%；Its powder metallurgy forming method includes 1. raw material, auxiliary material, frock and the preparation of equipment, the 2. vacuum induction melting of alloy, the 3. preparation of master alloy powder, 4. four steps such as powder metallurgy forming.The aluminum zircaloy impurity content of the present invention is low, crystal grain is thin, uniform ingredients, zirconium content are high, its powder metallurgy process high purity, contamination-free, without waste gas, easily controllable, steady quality, yield rate height.

Description

A kind of aluminum zircaloy and powder metallurgy forming method thereof
Technical field
The present invention relates to aluminium alloy forming field, particularly relate to aluminum zircaloy and powder metallurgy forming method thereof.
Background technology
In the industrial production, the zirconium of trace adds and applies to ultralight aluminium lithium alloy and Al-Zn-Mg-Cu high intensity aluminum In alloy, its effect: is refinement as-cast grain, two form the Al of even dispersion when being homogenizing cast ingot3Zr, suppression Deformation processing recrystallization behavior, controls grain size and shape；Meanwhile, also can improve Al-Zn-Mg-Cu alloy quenching degree, The combination properties such as solderability, fracture toughness, anti-stress corrosion performance.In aluminium alloy, the addition of zirconium is 0.1%～0.3%, In aluminium alloy manufacture process, the aluminium zirconium hardener ingot bar containing zirconium 3%～4% is added aluminum melt.In the middle of aluminum zirconium Alloy melting point reaches 950 DEG C～1050 DEG C, not readily dissolves, therefore strict to melting and casting process parameter request, the most easily In aluminium alloy melt, form zirconium-containing compound segregation accumulation regions, and then cause in aluminium lithium alloy, occur that zirconium-containing compound is inclined Analysis.Showing through long-term follow detection, zirconium-containing compound segregation is in addition to inappropriate with casting technique, also with aluminium zirconium hardener matter Amount, i.e. large scale Al3The tissue defects such as Zr compound and this compound gathering are relevant.Traditional aluminium zirconium hardener makes In method, owing to manufacturing process fusing stove heating-up temperature is high, the time is long, and air-breathing is serious, and casting process intensity of cooling is little, ingot bar Tissue can be formed loose shrinkage cavity, slag inclusion, substantial amounts of large scale Al unavoidably3The tissue such as Zr compound and compound gathering thereof lacks Fall into.After the aluminium zirconium hardener ingot bar of this accompanied by tissue defect is directly added in aluminium alloy melt, unsuitable founder Skill tends to cause large scale Al in aluminium zirconium hardener3Zr compound and compound dissolution thereof are insufficient, are formed immediately " Colloidal particles " directly heredity is to being added in aluminum alloy materials, owing to this compounds segregation district is uncertain and is difficult to flaw detection Detections etc., have a strong impact on the serviceability being added aluminum alloy materials.
In the Patents the most applied for, patent " a kind of aluminium zirconium hardener and preparation method " (application number: 201010585739.5, publication date: 2011-03-30) disclose a kind of aluminium zirconium hardener production technology, but produced at it Cheng Zhong, owing to not having vacuum environment, degasification, the removal of impurity are insufficient；Owing to the crucible material of melting not being limited, may Use conventional cast-iron pot, the content of impurity iron so can be caused to be difficult to control to, owing to not using electromagnetic agitation and powder Metallization processes, its original grain refines not, and this aluminum zircaloy resulting in final finished is provided that when as grain refiner Number of nuclei is few, skewness, the crystallite dimension that grows up to are big and uneven, simultaneously as do not use powder metallurgy Mode, it is impossible to (easily segregation if satiety conjunction, can cause intermediate alloy ingot uneven components to the proportioning that employing zirconium satiety is closed, and answers Used time weighs inaccurate), therefore zirconium content is low, and i.e. product is inefficient；On the other hand, the method that this invention uses is with conventional Method ratio, still can produce reluctant waste gas, waste residue, and owing to not using high-efficiency appliance, whole technical process is the most easily-controllable System, the aluminum zircaloy quality being finally made are unstable.
Summary of the invention
For drawbacks described above present in prior art, it is desirable to provide a kind of impurity content is low, crystal grain thin, composition Uniformly, zirconium content is high aluminum zircaloy and high purity, contamination-free, without waste gas, easily controllable, steady quality, yield rate high Metallurgical method.
To achieve these goals, the present invention by the following technical solutions: a kind of aluminum zirconium alloy powder metallurgy forming method, Comprise the following steps:
1) raw material, auxiliary material, frock and the preparation of equipment
1. raw material is prepared by following weight portion: purity is not less than aluminium ingot 70 parts-75 parts, the potassium fluorozirconate 77.9-of 99.95% 93.4 parts；
2. following auxiliary material is prepared: gas atomization high-purity argon gas；
3. prepare following frock: copper crucible, in this crucible, be provided with circulating water channel；Atomization frock, this frock uses pottery Material makes；Graphite crucible, this graphite crucible is lower outlet crucible, and lower exit is provided with outlet valve；Mould, this mould uses Rustless steel makes；
4. prepare following equipment: vacuum induction melting furnace, in this vacuum induction melting furnace, be provided with electromagnetic mixing apparatus；Gas mist Change equipment；Vacuum Heat isostatic pressed stove；
The most above-mentioned all frocks and the equipment in addition to vacuum induction melting furnace are arranged in the furnace chamber of vacuum induction melting furnace；
2) vacuum induction melting of alloy
1. by 1) in the raw material that 1. prepares of step put into graphite crucible, it is thus achieved that molten bath；
2., by the induction installation being arranged on around graphite crucible and power on, after the raw material in molten bath melts, electricity is opened Magnetic agitating device carries out degasification and Homogenization Treatments, and in molten bath, temperature remains 780 DEG C-800 DEG C, is incubated 35min-45min, obtains Obtain the foundry alloy liquid that melting completes；
3) preparation of master alloy powder
1. by 1) in the gas atomization high-purity argon gas source of the gas and 1 that 2. prepares of step) in the gas atomization equipment that 4. prepares of step Connect；By 1) in the atomization frock that 3. prepares of step be arranged on gas atomization equipment puff prot；By 1) in the copper that 3. prepares of step Crucible processed is fixed on and is atomized air-flow corresponding region, frock exit, and is passed through recirculated water in copper crucible；
2. open gas source switch, open gas atomization equipment, keep air pressure 5MPa-6MPa；
The most slowly open and be arranged on the outlet valve in exit under graphite crucible, be that droplet morphology uniformly drips to foundry alloy liquid, fall Enter to be atomized in the pipeline on frock top；High-purity argon gas dispels the drop that foundry alloy liquid is formed under gas pressure, forms atomized liquid, And move along fixation locus with it, atomized liquid sprays；
4. the atomized liquid sprayed sprays into inside along fixation locus recirculated water hydronic copper crucible, and in copper crucible Chilling becomes fine particle, after treating all foundry alloy liquid mists, collects the fine particle in copper crucible, i.e. obtains required female Alloy powder；
4) powder metallurgy forming
1. by 3) in the master alloy powder that 3. obtains of step stir after fill full 1) in the mould that 3. prepares of step；
2. the mould having contained master alloy powder is put into 1) in the Vacuum Heat isostatic pressed stove that 4. prepares of step；
3. not higher than 1 × 10 it is evacuated to-4Pa, is heated to 600 DEG C-620 DEG C, is forced into 210MPa-240Mpa, keeps 6h- 8h；
4. after 3. step completes, air cooling of coming out of the stove after furnace cooling 30min-50min；
5. the demoulding, i.e. obtains required aluminum zircaloy.
The aluminum zircaloy obtained according to said method, this aluminum zircaloy is by weight containing aluminum 70%-75%, zirconium 25%-30%.
Compared with the prior art, due to the fact that and have employed such scheme, have the advantage that due to during alloy melting just Have employed vacuum induction melting technique, the low gas pressure in vacuum environment makes the physical process of smelting there occurs change, favorably In the abjection of gas, under vacuum, the physical property of material can change, and boiling temperature can reduce；Under vacuum condition, Originally can quickly leave molten metal after being mingled with gas releasing in a metal during metal molten to be taken away by vacuum pump.Originally metal The compound generated with gas, the gas decomposed to give off in fusion process is the most quickly taken away by vacuum pump；Under vacuum, Temperature, viscosity, breathability all change, and with the rising of smelting temperature, the moisture content of metal reduces, viscosity reduces, breathability becomes Good so that in fusion process, air inclusions reduce, it is easier to degassing；Metal refine in a vacuum simultaneously will not be formed pore or Centre is mingled with；Metal impurities or oxide form gas in a vacuum after its molecular diameter is the least and good dispersion, therefore exist In vacuum, polyatomic molecule tends to resolve into less former molecular molecule, and the gas molecule of formation is the least, and particle diameter typically exists 1-10nm, is easily taken away by vacuum system；Therefore the original melting using vacuum induction melting furnace to carry out is miscellaneous in making foundry alloy Matter and air content reach extremely low level, foundry alloy high purity；Owing to being that the graphite crucible used carries out melting, do not have new Ferrum element and cast iron include impurity element enter alloy, also ensure that the degree of purity of foundry alloy；Owing to being and gas atomization work Dress and gas atomization equipment seamless link, be filled with again high-purity argon gas in these devices, foundry alloy liquid exports outflow under using, institute So that the phenomenon of secondary oxidation all will not be there is during whole, ensure again that the degree of purity of master alloy powder；To sum up, alloy Degree of purity has obtained ensureing to greatest extent；Owing to have employed electromagnetic stirring equipment, make the molten metal in fusion process in vacuum Under environment, the flowing of continuous non-directional, had both improve impurity and the discharge of gas, rising scale, had homogenized again composition, made female conjunction Gold liquid is more uniform, lays the foundation for follow-up powder quality；Owing to have employed special atomization frock and water cooled copper mould, make Must protect and the outlet air pressure of fog gas can reach higher (5MPa-6MPa), and gas is flowed evenly, be atomized journey Du Genggao, more carefully, evenly, therefore can obtain be not required to sieve the most enough refinement, uniform master alloy powder, and yield rate is close 100%, meanwhile, how high no matter cross degree of saturation, homogenization the most completely, do not have and cause use because cost is uneven The impact that performance is uneven；Use suitable Vacuum Heat isostatic pressing, improve the compactness extent of alloy, reduce further Gas content, the anisotropy simultaneously also making alloy pig is good, and the process of furnace cooling more makes internal stress distributed uniform, in use Just the uniformity of forming core will not be impacted；All use high-efficiency appliance to be controlled due to whole process, therefore this metallurgical method is easy In control, steady quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
In figure: graphite crucible 1, molten bath 2, atomization frock 3, gas atomization equipment 4, high-purity argon gas 5, copper crucible 6, recirculated water lead to Road 7, induction installation 8, outlet valve 9.
Detailed description of the invention
Embodiment 1:
A kind of aluminum zircaloy, this aluminum zircaloy is by weight containing aluminum 75%, zirconium 25%.
This aluminum zirconium alloy powder metallurgy forming method, comprises the following steps:
1) raw material, auxiliary material, frock and the preparation of equipment
1. raw material is prepared by following weight portion: purity is not less than aluminium ingot 75 parts, the potassium fluorozirconate 77.9 parts of 99.95%；
2. following auxiliary material is prepared: gas atomization high-purity argon gas 5；
3. prepare following frock: copper crucible 6, in this crucible, be provided with circulating water channel 7；Atomization frock 3, this frock uses pottery Ceramic material makes；Graphite crucible 1, this graphite crucible 1 is lower outlet crucible, and lower exit is provided with outlet valve 9；Mould, this mould Tool uses rustless steel to make；
4. prepare following equipment: vacuum induction melting furnace, in this vacuum induction melting furnace, be provided with electromagnetic mixing apparatus；Gas mist Change equipment 4；Vacuum Heat isostatic pressed stove；
The most above-mentioned all frocks and the equipment in addition to vacuum induction melting furnace are arranged in the furnace chamber of vacuum induction melting furnace；
2) vacuum induction melting of alloy
1. by 1) in the raw material that 1. prepares of step put into graphite crucible 1, it is thus achieved that molten bath 2；
2., by the induction installation 8 being arranged on around graphite crucible 1 and power on, after the raw material in molten bath 2 melts, open Electromagnetic mixing apparatus carries out degasification and Homogenization Treatments, and in molten bath 2, temperature remains 780 DEG C, is incubated 35min, it is thus achieved that melting is complete The foundry alloy liquid become；
3) preparation of master alloy powder
1. by 1) in gas atomization high-purity argon gas 5 source of the gas and 1 that 2. prepares of step) in the gas atomization equipment that 4. prepares of step 4 connect；By 1) in the atomization frock 3 that 3. prepares of step be arranged on gas atomization equipment 4 puff prot；By 1) in step 3. prepare Copper crucible 6 is fixed on and is atomized air-flow corresponding region, frock 3 exit, and is passed through recirculated water in copper crucible 6；
2. open gas source switch, open gas atomization equipment 4, keep air pressure 5MPa；
The most slowly open the outlet valve 9 being arranged on 1 time exit of graphite crucible, be that droplet morphology uniformly drips to foundry alloy liquid, Fall in the pipeline on atomization frock 3 top；High-purity argon gas 5 dispels the drop that foundry alloy liquid is formed under gas pressure, forms mist Changing liquid, and move along fixation locus with it, atomized liquid sprays；
4. the atomized liquid sprayed sprays into inside along fixation locus recirculated water hydronic copper crucible 6, and at copper crucible 6 Interior chilling becomes fine particle, after treating all foundry alloy liquid mists, collects the fine particle in copper crucible 6, i.e. obtains institute Need master alloy powder；
4) powder metallurgy forming
1. by 3) in the master alloy powder that 3. obtains of step stir after fill full 1) in the mould that 3. prepares of step；
2. the mould having contained master alloy powder is put into 1) in the Vacuum Heat isostatic pressed stove that 4. prepares of step；
3. 1 × 10 it is evacuated to-4Pa, is heated to 600 DEG C, is forced into 210MPa, keeps 6h；
4. after 3. step completes, air cooling of coming out of the stove after furnace cooling 30min；
5. the demoulding, i.e. obtains required aluminum zircaloy.
Embodiment 2:
A kind of aluminum zircaloy, this aluminum zircaloy is by weight containing aluminum 70%, zirconium 30%.
This aluminum zirconium alloy powder metallurgy forming method, comprises the following steps:
1) raw material, auxiliary material, frock and the preparation of equipment
1. raw material is prepared by following weight portion: purity is not less than aluminium ingot 70 parts, the potassium fluorozirconate 93.4 parts of 99.95%；
2. following auxiliary material is prepared: gas atomization high-purity argon gas 5；
3. prepare following frock: copper crucible 6, in this crucible, be provided with circulating water channel 7；Atomization frock 3, this frock uses pottery Ceramic material makes；Graphite crucible 1, this graphite crucible 1 is lower outlet crucible, and lower exit is provided with outlet valve 9；Mould, this mould Tool uses rustless steel to make；
4. prepare following equipment: vacuum induction melting furnace, in this vacuum induction melting furnace, be provided with electromagnetic mixing apparatus；Gas mist Change equipment 4；Vacuum Heat isostatic pressed stove；
The most above-mentioned all frocks and the equipment in addition to vacuum induction melting furnace are arranged in the furnace chamber of vacuum induction melting furnace；
2) vacuum induction melting of alloy
1. by 1) in the raw material that 1. prepares of step put into graphite crucible 1, it is thus achieved that molten bath 2；
2., by the induction installation 8 being arranged on around graphite crucible 1 and power on, after the raw material in molten bath 2 melts, open Electromagnetic mixing apparatus carries out degasification and Homogenization Treatments, and in molten bath 2, temperature remains 800 DEG C, is incubated 45min, it is thus achieved that melting is complete The foundry alloy liquid become；
3) preparation of master alloy powder
1. by 1) in gas atomization high-purity argon gas 5 source of the gas and 1 that 2. prepares of step) in the gas atomization equipment that 4. prepares of step 4 connect；By 1) in the atomization frock 3 that 3. prepares of step be arranged on gas atomization equipment 4 puff prot；By 1) in step 3. prepare Copper crucible 6 is fixed on and is atomized air-flow corresponding region, frock 3 exit, and is passed through recirculated water in copper crucible 6；
2. open gas source switch, open gas atomization equipment 4, keep air pressure 6MPa；
The most slowly open the outlet valve 9 being arranged on 1 time exit of graphite crucible, be that droplet morphology uniformly drips to foundry alloy liquid, Fall in the pipeline on atomization frock 3 top；High-purity argon gas 5 dispels the drop that foundry alloy liquid is formed under gas pressure, forms mist Changing liquid, and move along fixation locus with it, atomized liquid sprays；
4. the atomized liquid sprayed sprays into inside along fixation locus recirculated water hydronic copper crucible 6, and at copper crucible 6 Interior chilling becomes fine particle, after treating all foundry alloy liquid mists, collects the fine particle in copper crucible 6, i.e. obtains institute Need master alloy powder；
4) powder metallurgy forming
1. by 3) in the master alloy powder that 3. obtains of step stir after fill full 1) in the mould that 3. prepares of step；
2. the mould having contained master alloy powder is put into 1) in the Vacuum Heat isostatic pressed stove that 4. prepares of step；
3. 1 × 10 it is evacuated to-5Pa, is heated to 620 DEG C, is forced into 240Mpa, keeps 8h；
4. after 3. step completes, air cooling of coming out of the stove after furnace cooling 50min；
5. the demoulding, i.e. obtains required aluminum zircaloy.
Present invention is particularly suitable for the grain refiner for Aero-Space Seiko product.
Described above to the disclosed embodiments, only for making professional and technical personnel in the field be capable of or using this Bright.Multiple amendment to these embodiments will be apparent from for those skilled in the art, is determined herein The General Principle of justice can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, originally Invention is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty The widest consistent scope.

Claims (2)

1. an aluminum zirconium alloy powder metallurgy forming method, it is characterised in that comprise the following steps:
1) raw material, auxiliary material, frock and the preparation of equipment
1. raw material is prepared by following weight portion: purity is not less than aluminium ingot 70 parts-75 parts, 77.9-93.4 part of 99.95%；
2. following auxiliary material is prepared: gas atomization high-purity argon gas (5)；
3. prepare following frock: copper crucible (6), in this crucible, be provided with circulating water channel (7)；Atomization frock (3), this frock Use ceramic material；Graphite crucible (1), this graphite crucible is lower outlet crucible, and lower exit is provided with outlet valve (9)； Mould, this mould uses rustless steel to make；
4. following equipment is prepared: gas atomization equipment (4)；Vacuum Heat isostatic pressed stove；Vacuum induction melting furnace, this vacuum induction melts Electromagnetic mixing apparatus it is provided with in furnace；
The most above-mentioned all frocks and the equipment in addition to vacuum induction melting furnace are arranged in the furnace chamber of vacuum induction melting furnace；
2) vacuum induction melting of alloy
1. by 1) in the raw material that 1. prepares of step put into graphite crucible (1), it is thus achieved that molten bath (2)；
2. will be arranged on the induction installation (8) around graphite crucible (1) and power on, treat the raw material fusing in molten bath (2) After, to open electromagnetic mixing apparatus and carry out degasification and Homogenization Treatments, molten bath (2) interior temperature remains 780 DEG C-800 DEG C, insulation 35min-45min, it is thus achieved that the foundry alloy liquid that melting completes；
3) preparation of master alloy powder
1. by 1) in gas atomization high-purity argon gas (5) source of the gas and 1 that 2. prepares of step) in the gas atomization that 4. prepares of step set Standby (4) connect；By 1) in the atomization frock (3) that 3. prepares of step be arranged on gas atomization equipment (4) puff prot；By 1) in step 3. the copper crucible (6) prepared is fixed on and is atomized air-flow corresponding region, frock (3) exit, and logical in copper crucible (6) Enter recirculated water；
2. open gas source switch, open gas atomization equipment (4), keep air pressure 5MPa-6MPa；
The most slowly open the outlet valve (9) being arranged on exit under graphite crucible (1), be that droplet morphology uniformly drips to foundry alloy liquid Fall, fall in the pipeline on atomization frock (3) top；High-purity argon gas (5) dispels the drop that foundry alloy liquid is formed under gas pressure, Forming atomized liquid, and move along fixation locus with it, atomized liquid sprays；
4. the atomized liquid sprayed sprays into inside along fixation locus recirculated water hydronic copper crucible (6), and at copper earthenware Crucible (6) interior chilling becomes fine particle, after treating all foundry alloy liquid mists, collects the fine particle in copper crucible (6), i.e. Obtain required master alloy powder；
4) powder metallurgy forming
1. by 3) in the master alloy powder that 3. obtains of step stir after fill full 1) in the mould that 3. prepares of step；
2. the mould having contained master alloy powder is put into 1) in the Vacuum Heat isostatic pressed stove that 4. prepares of step；
3. not higher than 1 × 10 it is evacuated to-4Pa, is heated to 600 DEG C-620 DEG C, is forced into 210MPa-240Mpa, keeps 6h- 8h；
4. after 3. step completes, air cooling of coming out of the stove after furnace cooling 30min-50min；
5. the demoulding, i.e. obtains required aluminum zircaloy.
2. the aluminum zircaloy obtained according to said method, it is characterised in that: this aluminum zircaloy is by weight containing aluminum 70%-75%, zirconium 25%-30%。
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109694972A (en) * 2019-03-11 2019-04-30 江苏华企铝业科技股份有限公司 The high-densit aluminium titanium boron wire of high-purity and its manufacturing method
CN110496968A (en) * 2019-09-19 2019-11-26 中国核动力研究设计院 A kind of zirconium alloy powder and preparation method thereof
CN111424192A (en) * 2020-04-26 2020-07-17 江苏华企铝业科技股份有限公司 Aluminum-strontium alloy fractional smelting forming process
CN114082934A (en) * 2020-07-30 2022-02-25 北京理工大学 Multi-component high-density calorific value aluminum-zirconium alloy powder and preparation method and device thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2299099A (en) * 1995-03-18 1996-09-25 Christopher Duncan Mayes Process for producing grain refining master alloys.
CN101214546A (en) * 2007-12-26 2008-07-09 安泰科技股份有限公司 Method for preparing powder metallurgy of titanium-aluminium alloy target material
CN101994045A (en) * 2010-12-10 2011-03-30 西南铝业（集团）有限责任公司 Aluminum-zirconium intermediate alloy and preparation method
CN102909385A (en) * 2012-10-12 2013-02-06 中国航空工业集团公司北京航空材料研究院 Preparation method of powder metallurgy tool and mould steel
WO2015006466A1 (en) * 2013-07-10 2015-01-15 United Technologies Corporation Aluminum alloys and manufacture methods
CN104419859A (en) * 2013-09-11 2015-03-18 安泰科技股份有限公司 Chromium-aluminum-silicon alloy target material and preparation method thereof
CN104726756A (en) * 2015-04-13 2015-06-24 河南泛锐复合材料研究院有限公司 High-performance beryllium-aluminum alloy and preparing method thereof
CN105154725A (en) * 2015-09-28 2015-12-16 河北四通新型金属材料股份有限公司 High-end Al-Zr intermediate alloy and industrial preparation method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2299099A (en) * 1995-03-18 1996-09-25 Christopher Duncan Mayes Process for producing grain refining master alloys.
CN101214546A (en) * 2007-12-26 2008-07-09 安泰科技股份有限公司 Method for preparing powder metallurgy of titanium-aluminium alloy target material
CN101994045A (en) * 2010-12-10 2011-03-30 西南铝业（集团）有限责任公司 Aluminum-zirconium intermediate alloy and preparation method
CN102909385A (en) * 2012-10-12 2013-02-06 中国航空工业集团公司北京航空材料研究院 Preparation method of powder metallurgy tool and mould steel
WO2015006466A1 (en) * 2013-07-10 2015-01-15 United Technologies Corporation Aluminum alloys and manufacture methods
CN104419859A (en) * 2013-09-11 2015-03-18 安泰科技股份有限公司 Chromium-aluminum-silicon alloy target material and preparation method thereof
CN104726756A (en) * 2015-04-13 2015-06-24 河南泛锐复合材料研究院有限公司 High-performance beryllium-aluminum alloy and preparing method thereof
CN105154725A (en) * 2015-09-28 2015-12-16 河北四通新型金属材料股份有限公司 High-end Al-Zr intermediate alloy and industrial preparation method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109694972A (en) * 2019-03-11 2019-04-30 江苏华企铝业科技股份有限公司 The high-densit aluminium titanium boron wire of high-purity and its manufacturing method
CN110496968A (en) * 2019-09-19 2019-11-26 中国核动力研究设计院 A kind of zirconium alloy powder and preparation method thereof
CN111424192A (en) * 2020-04-26 2020-07-17 江苏华企铝业科技股份有限公司 Aluminum-strontium alloy fractional smelting forming process
CN111424192B (en) * 2020-04-26 2021-10-15 江苏华企铝业科技股份有限公司 Aluminum-strontium alloy fractional smelting forming process
CN114082934A (en) * 2020-07-30 2022-02-25 北京理工大学 Multi-component high-density calorific value aluminum-zirconium alloy powder and preparation method and device thereof

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