CN108531797A - A kind of heatproof magnesium alloy material - Google Patents
A kind of heatproof magnesium alloy material Download PDFInfo
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- CN108531797A CN108531797A CN201810595419.4A CN201810595419A CN108531797A CN 108531797 A CN108531797 A CN 108531797A CN 201810595419 A CN201810595419 A CN 201810595419A CN 108531797 A CN108531797 A CN 108531797A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
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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
- C22C1/1005—Pretreatment of the non-metallic additives
- C22C1/1015—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform
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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
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
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Abstract
The invention discloses a kind of heatproof magnesium alloy materials, include the following components'mass percentage：tZrO2‑αAl2O3Ceramic nano composite powder material 3.2 4.5%, norium 0.8 1.2%, magnesium calcium intermediate alloy 1.2 1.8%, magnesium manganese intermediate alloy 0.9 1.5%, surplus are magnesium and inevitable impurity.Its formula of the heatproof magnesium alloy material of the present invention is reasonable, and suitable norium, reinforcing material tZrO are added in matrix magnesium2‑αAl2O3Ceramic nano composite powder material and heat-resisting reinforced phase magnesium calcium intermediate alloy etc. can enhance the intensity, flame retardant property and thermal stability of magnesium alloy, and crystal grain thinning, purification matrix, purity be improved, to effectively raise the overall performance of magnesium alloy.
Description
Technical field
The present invention relates to alloy fields, and in particular to a kind of heatproof magnesium alloy material.
Background technology
Magnesium alloy is the alloy that other elements are added by matrix of magnesium and form.Its main feature is that small (the 1.8g/cm of density3Magnesium closes
Gold left and right), specific strength is high, and, good heat dissipation bigger than elasticity modulus, absorb shock resistance is good, and it is bigger than aluminium alloy to absorb impact load-carrying ability, resistance to have
The corrosive nature of machine object and alkali is good.It is mainly used for the industrial departments such as Aeronautics and Astronautics, transport, chemical industry, rocket.In practical metal
It is most light metal, the proportion of magnesium is about the 2/3 of aluminium, is the 1/4 of iron.It is the most light metal in practical metal, high-strength
Degree, high rigidity.Low, specific strength and specific stiffness are high with density for magnesium alloy, the series of advantages such as good impact resistance, but as structure
When materials'use, due to hardness, intensity, heat resistance etc. are not ideal enough, and application is extremely limited.In theoretical research and reality
On the basis of trampling, ceramic nano composite powder material is added into magnesium-based matter by the present invention, and the materials such as intermediate alloy prepare magnesium conjunction
Metal/composite material can significantly improve the above performance, such as improve tensile property, yield strength, heat resistance.
Invention content
In view of object above, the invention discloses a kind of heatproof magnesium alloy materials to improve magnesium by adding other compositions
Tensile property, yield strength of alloy etc..
To achieve the goals above, the technical solution adopted by the present invention is：A kind of heatproof magnesium alloy material, by following quality
The raw material of percentage forms：
tZrO2-αAl2O3In ceramic nano composite powder material 3.2-4.5%, norium 0.8-1.2%, magnesium calcium
Between alloy 1.2-1.8%, magnesium manganese intermediate alloy 0.9-1.5%, surplus be magnesium and inevitable impurity；Wherein, tZrO2-α
Al2O3Ceramic nano composite powder material is the tZrO of rare earth neodymium element modification2-αAl2O3Ceramic nano composite powder material,
Preparation process is：
a)tZrO2-αAl2O3The processing of ceramic nano composite granule：By tZrO2-αAl2O3Ceramic nano composite granule is dispersed in
In the concentrated nitric acid that mass fraction is 68%, it is configured to the tZrO that mass concentration is 2-4mg/mL2-αAl2O3Ceramic nano composite powder
Body concentrated nitric acid solution, it is the ultrasonic cleaner ultrasound 50-60min of 80-100W then to use power, is obtained fully decentralized
tZrO2-αAl2O3Ceramic nano composite granule concentrated nitric acid suspension system, wherein the temperature for adjusting ultrasonic cleaner is 28-32
℃；
B) tZrO of rare earth neodymium element modification2-αAl2O3The preparation of ceramic nano composite powder material：Obtained by step a)
TZrO2-αAl2O3Appropriate edta edta, ultrasound point are added in ceramic nano composite granule concentrated nitric acid suspension system
20-24h is dissipated, appropriate neodymium nitrate is then added and continues ultrasound 2-4h, flow back 20-24h at a temperature of being subsequently placed in 100-105 DEG C,
It is cooled to 70-80 DEG C after reflux, hydrazine hydrate the reaction was continued the 6-8h that mass fraction is 50% is added, after reaction will wait for
Uniformly mixed suspension system is filtered by vacuum, washed, vacuum drying treatment, is forged at a temperature of being finally placed in 450-500 DEG C again
5-8h is burnt, rare earth neodymium/edta edta-tZrO is obtained2-αAl2O3Ceramic nano composite powder material；Wherein,
tZrO2-αAl2O3The mass ratio of ceramic nano composite granule, edta edta and neodymium nitrate is 1:(0.6-0.9):
(0.2-0.4), tZrO2-αAl2O3Ceramic nano composite granule concentrated nitric acid suspension system and the volume ratio of 50% hydrazine hydrate are
10:(0.5-0.8)。
Wherein, the tZrO2-αAl2O3The grain size of ceramic nano composite granule is 200-400nm, preparation method reference
Paper《tZrO2-αAl2O3Ceramic nano composite granule preparation research》University Of Xiangtan, Wu Jianhua, 2005.
The norium is the compound of rich cerium misch metal and rich yttrium mixed rare earth metal, wherein rich
The quality proportioning of cerium norium and rich yttrium mixed rare earth metal is 1：(2-4).
The content of calcium is 30% in the magnesium calcium intermediate alloy.
The content of manganese is 10% in the magnesium manganese intermediate alloy.
The heatproof magnesium alloy material of the present invention is compounded using composite powder material, intermediate alloy and magnesium, wherein composite powder
Body material is nanometer grade powder, and surface has very high activity, compounds into magnesium simple substance, can visibly homogeneous, steadily disperse
It is distributed in magnesium-based matter, adds the function alloy (intermediate alloy) for the addition type that can improve alloy property, significantly improve
The disperse uniformity of its complex material in the base, effectively increases the compactness and overall performance of material.
Beneficial effects of the present invention：Its formula of the heatproof magnesium alloy material of the present invention is reasonable, is added in matrix magnesium appropriate
Norium, reinforcing material tZrO2-αAl2O3It is closed among ceramic nano composite powder material and heat-resisting reinforced phase magnesium calcium
Gold etc. can enhance the intensity, flame retardant property and thermal stability of magnesium alloy, and crystal grain thinning, purification matrix, improve pure
Degree, to effectively raise the overall performance of magnesium alloy.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not used to the present invention.In embodiment, various raw materials are commercially available product.
Embodiment 1
A kind of heatproof magnesium alloy material is made of the raw material of following mass percent：
tZrO2-αAl2O3Ceramic nano composite powder material 4.1%, rich cerium misch metal 0.2%, rich yttrium mixing are dilute
Earth metal 0.8%, magnesium calcium intermediate alloy 1.6%, magnesium manganese intermediate alloy 1.2%, surplus are magnesium and inevitable impurity；Its
In, tZrO2-αAl2O3Ceramic nano composite powder material is the tZrO of rare earth neodymium element modification2-αAl2O3Ceramic nano composite powder
Body material, preparation process are：
a)tZrO2-αAl2O3The processing of ceramic nano composite granule：By 2g tZrO2-αAl2O3Ceramic nano composite granule point
500mL is dissipated in the concentrated nitric acid that mass fraction is 68%, is configured to the tZrO that mass concentration is 4mg/mL2-αAl2O3Ceramic nano
Composite granule concentrated nitric acid solution, it is the ultrasonic cleaner ultrasound 60min of 100W then to use power, is obtained fully decentralized
tZrO2-αAl2O3Ceramic nano composite granule concentrated nitric acid suspension system, wherein the temperature for adjusting ultrasonic cleaner is 32 DEG C；
B) tZrO of rare earth neodymium element modification2-αAl2O3The preparation of ceramic nano composite powder material：Obtained by step a)
TZrO2-αAl2O31.6g edta edtas, ultrasound point are added in ceramic nano composite granule concentrated nitric acid suspension system
It dissipates for 24 hours, then adds 0.6g neodymium nitrates and continue ultrasound 3h, flow back at a temperature of being subsequently placed in 100 DEG C for 24 hours, dropped after reflux
Hydrazine hydrate the reaction was continued the 8h that 30mL mass fractions are 50% is added to 75 DEG C in temperature, waits for suspension that after reaction will be uniformly mixed
System is filtered by vacuum, washed, vacuum drying treatment, is finally placed in 480 DEG C of temperature lower calcination 6h again, is obtained rare earth neodymium/second
Ethylenediamine tetraacetic acid (EDTA) EDTA-tZrO2-αAl2O3Ceramic nano composite powder material.
Embodiment 2
A kind of heatproof magnesium alloy material is made of the raw material of following mass percent：
tZrO2-αAl2O3Ceramic nano composite powder material 4.3%, rich cerium misch metal 0.3%, rich yttrium mixing are dilute
Earth metal 0.9%, magnesium calcium intermediate alloy 1.8%, magnesium manganese intermediate alloy 1.3%, surplus are magnesium and inevitable impurity；Its
In, tZrO2-αAl2O3Ceramic nano composite powder material is the tZrO of rare earth neodymium element modification2-αAl2O3Ceramic nano composite powder
Body material, preparation process are：
a)tZrO2-αAl2O3The processing of ceramic nano composite granule：By 2g tZrO2-αAl2O3Ceramic nano composite granule point
500mL is dissipated in the concentrated nitric acid that mass fraction is 68%, is configured to the tZrO that mass concentration is 4mg/mL2-αAl2O3Ceramic nano
Composite granule concentrated nitric acid solution, it is the ultrasonic cleaner ultrasound 60min of 100W then to use power, is obtained fully decentralized
tZrO2-αAl2O3Ceramic nano composite granule concentrated nitric acid suspension system, wherein the temperature for adjusting ultrasonic cleaner is 32 DEG C；
B) tZrO of rare earth neodymium element modification2-αAl2O3The preparation of ceramic nano composite powder material：Obtained by step a)
TZrO2-αAl2O31.6g edta edtas, ultrasound point are added in ceramic nano composite granule concentrated nitric acid suspension system
It dissipates for 24 hours, then adds 0.6g neodymium nitrates and continue ultrasound 3h, flow back at a temperature of being subsequently placed in 100 DEG C for 24 hours, dropped after reflux
Hydrazine hydrate the reaction was continued the 8h that 30mL mass fractions are 50% is added to 75 DEG C in temperature, waits for suspension that after reaction will be uniformly mixed
System is filtered by vacuum, washed, vacuum drying treatment, is finally placed in 480 DEG C of temperature lower calcination 6h again, is obtained rare earth neodymium/second
Ethylenediamine tetraacetic acid (EDTA) EDTA-tZrO2-αAl2O3Ceramic nano composite powder material.
After testing, the technical parameter of heatproof magnesium alloy material produced by the present invention is as follows：
Claims (4)
1. a kind of heatproof magnesium alloy material, which is characterized in that be made of the raw material of following mass percent：tZrO2-αAl2O3Pottery
Porcelain composite nano-powder material 3.2-4.5%, norium 0.8-1.2%, magnesium calcium intermediate alloy 1.2-1.8%, magnesium manganese
Intermediate alloy 0.9-1.5%, surplus are magnesium and inevitable impurity；Wherein, tZrO2-αAl2O3Ceramic nano composite granule material
Material is the tZrO of rare earth neodymium element modification2-αAl2O3Ceramic nano composite powder material, preparation process are：
a)tZrO2-αAl2O3The processing of ceramic nano composite granule：By tZrO2-αAl2O3Ceramic nano composite granule is dispersed in quality
In the concentrated nitric acid that score is 68%, it is configured to the tZrO that mass concentration is 2-4mg/mL2-αAl2O3Ceramic nano composite granule is dense
Salpeter solution, it is the ultrasonic cleaner ultrasound 50-60min of 80-100W then to use power, obtains fully decentralized tZrO2-
αAl2O3Ceramic nano composite granule concentrated nitric acid suspension system, wherein the temperature for adjusting ultrasonic cleaner is 28-32 DEG C；
B) tZrO of rare earth neodymium element modification2-αAl2O3The preparation of ceramic nano composite powder material：Obtained by step a)
tZrO2-αAl2O3Appropriate edta edta, ultrasonic disperse is added in ceramic nano composite granule concentrated nitric acid suspension system
Then 20-24h adds appropriate neodymium nitrate and continues ultrasound 2-4h, flow back 20-24h at a temperature of being subsequently placed in 100-105 DEG C, returns
It is cooled to 70-80 DEG C after stream, hydrazine hydrate the reaction was continued the 6-8h that mass fraction is 50% is added, waits for mix after reaction
Close uniform suspension system be filtered by vacuum, washed, vacuum drying treatment, be finally placed in 450-500 DEG C of temperature lower calcination again
5-8h obtains rare earth neodymium/edta edta-tZrO2-αAl2O3Ceramic nano composite powder material；Wherein, tZrO2-α
Al2O3The mass ratio of ceramic nano composite granule, edta edta and neodymium nitrate is 1:(0.6-0.9):(0.2-0.4),
tZrO2-αAl2O3Ceramic nano composite granule concentrated nitric acid suspension system and the volume ratio of 50% hydrazine hydrate are 10:(0.5-
0.8)。
2. a kind of heatproof magnesium alloy material according to claim 1, which is characterized in that the norium is rich cerium
The compound of norium and rich yttrium mixed rare earth metal, wherein rich cerium misch metal and rich yttrium mixed rare earth gold
The quality proportioning of category is 1：(2-4).
3. a kind of heatproof magnesium alloy material according to claim 1, which is characterized in that calcium in the magnesium calcium intermediate alloy
Content is 30%.
4. a kind of heatproof magnesium alloy material according to claim 1, which is characterized in that manganese in the magnesium manganese intermediate alloy
Content is 10%.
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| CN201810595419.4A CN108531797A (en) | 2018-06-11 | 2018-06-11 | A kind of heatproof magnesium alloy material |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1840720A (en) * | 2005-03-31 | 2006-10-04 | 鸿富锦精密工业（深圳）有限公司 | Creep resistant magnesium alloy materials |
| CN107164677A (en) * | 2017-05-17 | 2017-09-15 | 河南科技大学 | A kind of heat-resistant creep-resistant magnesium alloy and preparation method thereof |
| CN107604227A (en) * | 2017-09-19 | 2018-01-19 | 安徽恒利增材制造科技有限公司 | A kind of magnesium alloy ingot and preparation method thereof |
-
2018
- 2018-06-11 CN CN201810595419.4A patent/CN108531797A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1840720A (en) * | 2005-03-31 | 2006-10-04 | 鸿富锦精密工业（深圳）有限公司 | Creep resistant magnesium alloy materials |
| CN107164677A (en) * | 2017-05-17 | 2017-09-15 | 河南科技大学 | A kind of heat-resistant creep-resistant magnesium alloy and preparation method thereof |
| CN107604227A (en) * | 2017-09-19 | 2018-01-19 | 安徽恒利增材制造科技有限公司 | A kind of magnesium alloy ingot and preparation method thereof |
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