CN111349823A - Preparation method of inorganic fullerene aluminum-based composite material for fan containing case - Google Patents
Preparation method of inorganic fullerene aluminum-based composite material for fan containing case Download PDFInfo
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- CN111349823A CN111349823A CN202010256879.1A CN202010256879A CN111349823A CN 111349823 A CN111349823 A CN 111349823A CN 202010256879 A CN202010256879 A CN 202010256879A CN 111349823 A CN111349823 A CN 111349823A
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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
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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
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
- C22C2026/001—Fullerenes
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Abstract
The invention discloses a preparation method of an inorganic fullerene aluminum-based composite material for a fan-contained casing, belongs to the technical field of high-performance aluminum-based composite materials, can be used for the fan-contained casing of a passenger plane, is an impact-resistant lightweight material, can effectively improve the containment efficiency, and reduces the quality and oil consumption of an engine. Weighing inorganic fullerene nano-particles and an aluminum-containing material. And carrying out ball milling and mixing on the inorganic fullerene nano-particles and the aluminum-containing material. And pouring the mixed powder into a graphite mold, and performing prepressing molding to obtain a blank. Plasma sintering, cooling and demoulding. The invention has the characteristics of small density, good wear resistance, excellent impact resistance and the like, and has wide application prospect in the fan containing casing.
Description
Technical Field
The invention relates to the technical field of high-performance aluminum-based composite materials, in particular to a preparation method of an inorganic fullerene aluminum-based composite material for a fan containing casing.
Background
When the fan rotor blade of the civil turbofan engine works, the fan rotor blade rotates at a high speed in the engine, and under the action of external object impact or internal damage, if the fan blade fails, is broken and flies out, the fan blade needs to be effectively contained by a fan casing, otherwise, fan fragments are likely to puncture the engine body to endanger the flight safety.
Airlines at home and abroad put strict inclusion requirements on fan containing casings of civil turbofan engines, such as aeroengine airworthiness regulation (CCAR-33) and aeroturbine engine inclusion requirement (GJB3366-1998) in China, and engine structural integrity outline (MIL-STD-1783B) in the United states.
Airlines and scientific research institutions at home and abroad actively research and develop effective containment materials and structures, improve containment efficiency and reduce engine quality and oil consumption. The traditional civil turbofan engine fan containing casing mainly adopts titanium alloy, aluminum alloy or structural steel with enough thickness, but has the defects of heavier mass, high oil consumption and the like.
Disclosure of Invention
The invention aims to provide a preparation method of an inorganic fullerene aluminum-based composite material for a fan containing casing, which solves the technical problems of heavier mass of the fan material of the existing turbofan engine and high oil consumption of an airplane. In order to improve the wear resistance and the impact resistance of the aluminum-based composite material, the requirement of the material for the fan containing casing is better met. The inorganic fullerene aluminum-based composite material for the fan containing case with excellent shock resistance is prepared by adding inorganic fullerene to modify the inorganic fullerene aluminum-based composite material.
A preparation method of an inorganic fullerene aluminum-based composite material for a fan containing casing comprises the following steps:
step 1: weighing 25-35% of inorganic fullerene nano-material and 65-75% of aluminum-containing material according to mass fraction, putting the inorganic fullerene nano-material and the aluminum-containing material into a ball milling tank, and ball milling by using a planetary ball mill to obtain mixed powder;
step 2: pouring the mixed powder into a graphite mold, maintaining the pressure for 15-20 min under the condition that the pressure is 10MPa, and performing prepressing molding to obtain a blank;
and step 3: and placing the blank body and the graphite mold in a discharge plasma sintering furnace, vacuumizing, heating the temperature in the discharge plasma sintering furnace from room temperature to 550-600 ℃, applying 40MPa pressure for sintering for 10-15 min, cooling to room temperature along with the furnace, and demolding to obtain the composite material.
In the step 1, the inorganic fullerene nano-material is inorganic fullerene nano-particles, and the particle size of the inorganic fullerene particles is 0.1-20 μm.
In the step 1, the aluminum-containing material is aluminum or aluminum alloy; the particle size of the aluminum-containing material is 5-70 μm.
In the step 1, the ball milling time of the planetary ball mill is 2-3 h, agate milling balls are adopted, the ball-material ratio is 2:1, and the rotating speed is 300 r/min.
In the step 3, the temperature in the electric plasma sintering furnace is increased at a heating rate of 50-80 ℃/min.
In the step 1, the inorganic fullerene nano material is an inorganic fullerene aluminum-based nano material, the mass proportion of the inorganic fullerene aluminum-based nano material is 32%, and the mass proportion of the aluminum-containing material is 68%.
The synthesis process of the inorganic fullerene aluminum-based nano material comprises the following steps:
putting the inorganic fullerene nano-particles IF-WS2 into ethanol and dispersing by using an ultrasonic probe, mixing the inorganic fullerene nano-particles IF-WS2 and ethanol mixture with Al powder at 80-90 ℃ under vigorous stirring until all ethanol is evaporated, drying in an oven at 110-130 ℃ for 11-13 hours to obtain a primary sample, heating the primary sample and the ethanol mixture to 80 ℃, adding aluminum powder particles for mixing, rapidly stirring until the ethanol is completely volatilized to obtain a mixed solid sample of 20-30 wt% IF-WS2 and the aluminum powder, and then drying in the oven at 120 ℃ for 12 hours to obtain the inorganic fullerene aluminum-based nano material.
The time for dispersing the ultrasonic probe is 0.8-1.2 hours, the ultrasonic frequency is 80-90 KHz, and in the hot pressing process, the hot pressing temperature is 550-650 ℃, the pressure is 75-85 KN, and the hot pressing is carried out for 30 minutes under the condition that the atmosphere is N2.
By adopting the technical scheme, the invention has the following technical effects:
the invention can be used for a fan containing casing of a passenger plane, is an impact-resistant lightweight material, can effectively improve the containing efficiency, reduces the quality and the oil consumption of an engine, has the characteristics of small density, good wear resistance, excellent impact resistance and the like, has wide prospect in the application of the fan containing casing, simultaneously, the inorganic fullerene nano-material is an inorganic fullerene aluminum-based nano-material, metal aluminum is taken as a matrix, ethanol is taken as a medium to mix the inorganic fullerene aluminum-based nano-material, and the material cost is lower. The inorganic fullerene in the produced nano composite material can be uniformly dispersed in an aluminum matrix, and the aluminum has a regular grain size. The inorganic fullerene reinforced aluminum-based nano composite material prepared by the invention has the characteristics of light weight, excellent shock absorption performance, shock wave absorption capacity and the like, so that the inorganic fullerene reinforced aluminum-based nano composite material has good application prospect in light shock absorption materials and high-performance protective materials.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
Experiments show that when an object impacts the surface of the material, the speed is instantaneously reduced by about 40 percent by adding the inorganic fullerene, so that the impact resistance and the wear resistance of the aluminum composite material are greatly improved, and the inorganic fullerene can be prevented from being decomposed by sintering at low temperature by adopting a plasma sintering technology.
Example 1:
(1) weighing 30% of inorganic fullerene nano-particles and 70% of aluminum-containing material according to mass fraction; the particle size of the inorganic fullerene particles is 0.1-20 mu m; the aluminum-containing material is aluminum or aluminum alloy; the particle size of the aluminum-containing material is 5-70 μm.
(2) And (2) putting the inorganic fullerene nano-particles and the aluminum-containing material weighed in the step (1) into a ball milling tank, and ball milling for 2-3 h by using a planetary ball mill, wherein agate is adopted for ball milling, the ball-material ratio is 2:1, and the rotating speed is 300r/min, so that mixed powder is obtained.
(3) And (3) pouring the mixed powder obtained in the step (2) into a graphite mold, maintaining the pressure for 15-20 min under the condition that the pressure is 10MPa, and performing prepressing molding to obtain a blank.
(4) And (3) placing the blank obtained in the step (3) and a graphite mold in a discharge plasma sintering furnace, vacuumizing, heating the temperature in the discharge plasma sintering furnace from room temperature to 550-600 ℃ at the heating rate of 50-80 ℃/min, applying 40MPa pressure for sintering for 10-15 min, cooling to room temperature along with the furnace, and demolding to obtain the inorganic fullerene/aluminum-based composite material.
Example 2:
(1) weighing 32% of the inorganic fullerene aluminum-based nano material and 68% of the aluminum-containing material according to the mass percentage. The aluminum-containing material is aluminum or aluminum alloy; the particle size of the aluminum-containing material is 5-70 μm.
The preparation process of the inorganic fullerene aluminum-based nano material comprises the following steps: the prepared inorganic fullerene nanoparticles (IF-WS2 size about 40nm) were uniformly dispersed in an ethanol medium with the aid of an ultrasonic probe, and mixed for about 1 hour with a vibration frequency of 85 KHz.
And heating the solution to 80 ℃, adding aluminum powder particles, fully mixing, and violently stirring until ethanol is completely volatilized to prepare a mixed sample of 20 wt% IF-WS2 and aluminum powder, and then drying in an oven at 120 ℃ for 12 hours. And (3) carrying out hot-pressing solidification on the dried sample under the optimized N2 atmosphere with the temperature of 580 ℃ and the pressure of 75KN to obtain the inorganic fullerene aluminum-based nano material.
(2) And (2) putting the inorganic fullerene nano-particles and the aluminum-containing material weighed in the step (1) into a ball milling tank, and ball milling for 2.5 hours by using a planetary ball mill, wherein agate is adopted for ball milling, the ball-material ratio is 2:1, and the rotating speed is 300r/min, so that mixed powder is obtained.
(3) And (3) pouring the mixed powder obtained in the step (2) into a graphite mold, maintaining the pressure for 15-20 min under the condition that the pressure is 10MPa, and performing prepressing molding to obtain a blank.
(4) And (3) placing the blank obtained in the step (3) and a graphite mold in a discharge plasma sintering furnace, vacuumizing, heating the temperature in the discharge plasma sintering furnace from room temperature to 550-600 ℃ at the heating rate of 50-80 ℃/min, applying 40MPa pressure for sintering for 10-15 min, cooling to room temperature along with the furnace, and demolding to obtain the inorganic fullerene/aluminum-based composite material.
Example 3:
(1) weighing 25-35% of inorganic fullerene nano-particles and 65-75% of aluminum-containing material according to mass fraction; the particle size of the inorganic fullerene particles is 0.1-20 mu m; the aluminum-containing material is aluminum or aluminum alloy; the particle size of the aluminum-containing material is 5-70 μm.
(2) And (2) putting the inorganic fullerene nano-particles and the aluminum-containing material weighed in the step (1) into a ball milling tank, and ball milling for 2-3 h by using a planetary ball mill, wherein agate is adopted for ball milling, the ball-material ratio is 2:1, and the rotating speed is 300r/min, so that mixed powder is obtained.
(3) And (3) pouring the mixed powder obtained in the step (2) into a graphite mold, maintaining the pressure for 20min under the condition that the pressure is 10MPa, and performing prepressing molding to obtain a blank.
(4) And (3) placing the blank obtained in the step (3) and a graphite mold in a discharge plasma sintering furnace, vacuumizing, heating the temperature in the discharge plasma sintering furnace from room temperature to 550-600 ℃ at the heating rate of 50-80 ℃/min, applying 40MPa pressure for sintering for 10-15 min, cooling to room temperature along with the furnace, and demolding to obtain the inorganic fullerene/aluminum-based composite material.
Example 4:
(1) weighing 25-35% of inorganic fullerene nano-particles and 65-75% of aluminum-containing material according to mass fraction; the particle size of the inorganic fullerene particles is 0.1-20 mu m; the aluminum-containing material is aluminum or aluminum alloy; the particle size of the aluminum-containing material is 5-70 μm.
(2) And (2) putting the inorganic fullerene nano-particles and the aluminum-containing material weighed in the step (1) into a ball milling tank, and ball milling for 2-3 h by using a planetary ball mill, wherein agate is adopted for ball milling, the ball-material ratio is 2:1, and the rotating speed is 300r/min, so that mixed powder is obtained.
(3) And (3) pouring the mixed powder obtained in the step (2) into a graphite mold, maintaining the pressure for 15-20 min under the condition that the pressure is 10MPa, and performing prepressing molding to obtain a blank.
(4) And (3) placing the blank obtained in the step (3) and a graphite mold in a discharge plasma sintering furnace, vacuumizing, heating the temperature in the discharge plasma sintering furnace from room temperature to 575 ℃ at a heating rate of 50-80 ℃/min, applying 40MPa pressure for sintering for 10-15 min, cooling to room temperature along with the furnace, and demolding to obtain the inorganic fullerene/aluminum-based composite material.
The invention can be used for the containing casing of the fan of the passenger plane, is an impact-resistant lightweight material, can effectively improve the containing efficiency and reduce the quality and the oil consumption of an engine. Weighing inorganic fullerene nano-particles and an aluminum-containing material. And carrying out ball milling and mixing on the inorganic fullerene nano-particles and the aluminum-containing material. And pouring the mixed powder into a graphite mold, and performing prepressing molding to obtain a blank. Plasma sintering, cooling and demoulding. The invention has the characteristics of small density, good wear resistance, excellent impact resistance and the like, and has wide application prospect in the fan containing casing.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (8)
1. A preparation method of an inorganic fullerene aluminum-based composite material for a fan containing casing is characterized by comprising the following steps: the method comprises the following steps:
step 1: weighing 25-35% of inorganic fullerene nano-material and 65-75% of aluminum-containing material according to mass fraction, putting the inorganic fullerene nano-material and the aluminum-containing material into a ball milling tank, and ball milling by using a planetary ball mill to obtain mixed powder;
step 2: pouring the mixed powder into a graphite mold, maintaining the pressure for 15-20 min under the condition that the pressure is 10MPa, and performing prepressing molding to obtain a blank;
and step 3: and placing the blank body and the graphite mold in a discharge plasma sintering furnace, vacuumizing, heating the temperature in the discharge plasma sintering furnace from room temperature to 550-600 ℃, applying 40MPa pressure for sintering for 10-15 min, cooling to room temperature along with the furnace, and demolding to obtain the composite material.
2. The method of claim 1, wherein the inorganic fullerene aluminum-based composite material for the fan containment case comprises: in the step 1, the inorganic fullerene nano-material is inorganic fullerene nano-particles, and the particle size of the inorganic fullerene particles is 0.1-20 μm.
3. The method of claim 1, wherein the inorganic fullerene aluminum-based composite material for the fan containment case comprises: in the step 1, the aluminum-containing material is aluminum or aluminum alloy; the particle size of the aluminum-containing material is 5-70 μm.
4. The method of claim 1, wherein the inorganic fullerene aluminum-based composite material for the fan containment case comprises: in the step 1, the ball milling time of the planetary ball mill is 2-3 h, agate milling balls are adopted, the ball-material ratio is 2:1, and the rotating speed is 300 r/min.
5. The method of claim 1, wherein the inorganic fullerene aluminum-based composite material for the fan containment case comprises: in the step 3, the temperature in the electric plasma sintering furnace is increased at a heating rate of 50-80 ℃/min.
6. The method of claim 1, wherein the inorganic fullerene aluminum-based composite material for the fan containment case comprises: in the step 1, the inorganic fullerene nano material is an inorganic fullerene aluminum-based nano material, the mass proportion of the inorganic fullerene aluminum-based nano material is 32%, and the mass proportion of the aluminum-containing material is 68%.
7. The method of claim 6, wherein the inorganic fullerene aluminum-based composite material comprises: the synthesis process of the inorganic fullerene aluminum-based nano material comprises the following steps:
putting the inorganic fullerene nano-particles IF-WS2 into ethanol and dispersing by using an ultrasonic probe, mixing the inorganic fullerene nano-particles IF-WS2 and ethanol mixture with Al powder at 80-90 ℃ under vigorous stirring until all ethanol is evaporated, drying in an oven at 110-130 ℃ for 11-13 hours to obtain a primary sample, heating the primary sample and the ethanol mixture to 80 ℃, adding aluminum powder particles for mixing, rapidly stirring until the ethanol is completely volatilized to obtain a mixed solid sample of 20-30 wt% IF-WS2 and the aluminum powder, and then drying in the oven at 120 ℃ for 12 hours to obtain the inorganic fullerene aluminum-based nano material.
8. The method of claim 6, wherein the inorganic fullerene aluminum-based composite material comprises: the time for dispersing the ultrasonic probe is 0.8-1.2 hours, the ultrasonic frequency is 80-90 KHz, and in the hot pressing process, the hot pressing temperature is 550-650 ℃, the pressure is 75-85 KN, and the hot pressing is carried out for 30 minutes under the condition that the atmosphere is N2.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855021A (en) * | 2022-05-26 | 2022-08-05 | 山东省科学院新材料研究所 | Preparation method of fullerene raw ash modified diamond/aluminum composite material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107164660A (en) * | 2017-04-18 | 2017-09-15 | 中北大学 | A kind of C60Reinforced Al matrix composite and preparation method thereof |
| CN107641738A (en) * | 2017-09-28 | 2018-01-30 | 哈尔滨工业大学 | A kind of molybdenum disulfide/aluminium composite material and preparation method thereof |
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- 2020-04-03 CN CN202010256879.1A patent/CN111349823A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107164660A (en) * | 2017-04-18 | 2017-09-15 | 中北大学 | A kind of C60Reinforced Al matrix composite and preparation method thereof |
| CN107641738A (en) * | 2017-09-28 | 2018-01-30 | 哈尔滨工业大学 | A kind of molybdenum disulfide/aluminium composite material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855021A (en) * | 2022-05-26 | 2022-08-05 | 山东省科学院新材料研究所 | Preparation method of fullerene raw ash modified diamond/aluminum composite material |
| CN114855021B (en) * | 2022-05-26 | 2022-12-30 | 山东省科学院新材料研究所 | Preparation method of fullerene raw ash modified diamond/aluminum composite material |
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Application publication date: 20200630 |