CN113846250A - TiB2Reinforced aluminum-based composite material and preparation method thereof - Google Patents
TiB2Reinforced aluminum-based composite material and preparation method thereof Download PDFInfo
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- CN113846250A CN113846250A CN202111160705.6A CN202111160705A CN113846250A CN 113846250 A CN113846250 A CN 113846250A CN 202111160705 A CN202111160705 A CN 202111160705A CN 113846250 A CN113846250 A CN 113846250A
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 93
- 239000002131 composite material Substances 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 238000005096 rolling process Methods 0.000 claims abstract description 147
- 239000010935 stainless steel Substances 0.000 claims abstract description 109
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 109
- 229910033181 TiB2 Inorganic materials 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 26
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 238000005097 cold rolling Methods 0.000 claims description 43
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 36
- 239000011159 matrix material Substances 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 15
- 239000002994 raw material Substances 0.000 claims description 7
- 244000137852 Petrea volubilis Species 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 7
- 238000005728 strengthening Methods 0.000 abstract description 5
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 abstract description 4
- 239000004519 grease Substances 0.000 description 14
- 238000005498 polishing Methods 0.000 description 14
- 239000000956 alloy Substances 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 239000011888 foil Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- QDMRQDKMCNPQQH-UHFFFAOYSA-N boranylidynetitanium Chemical compound [B].[Ti] QDMRQDKMCNPQQH-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910018566 Al—Si—Mg Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910019752 Mg2Si Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 borides Chemical class 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
Classifications
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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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
-
- 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
-
- 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
- C22C32/0047—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 carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0073—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 carbides, nitrides, borides or silicides as the main non-metallic constituents only borides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/386—Plates
Abstract
The invention belongs to TiB2The field of preparation of reinforced aluminum-based composite material and discloses a TiB2The reinforced aluminum-base composite material is prepared with TiB as material2And a base material; the method comprises the following steps: respectively pretreating a base material and a stainless steel plate; folding the smooth surface of the pretreated stainless steel plate and pressing the stainless steel plate into a stainless steel envelope; mixing TiB2Placing on the pretreated base material, folding the base material in half to make the base material wrap the TiB2(ii) a Rolling the stainless steel seal sleeve, folding the stainless steel seal sleeve along the length direction of the stainless steel seal sleeve after each pass of rolling, and rolling the next passNext, the process is carried out. And rolling for 7 times along the same direction, then converting the direction to 90 degrees for rolling, and folding in half along the length direction of the stainless steel envelope after each rolling for one time. And then rolling for 7 times in the direction of the first rotation, and rolling for one time by rotating for 90 degrees again until the set pass. The invention can prepare TiB with different content of strengthening phase at room temperature2Al composite material, TiB produced2The reinforced phase of the/Al composite material is uniformly distributed, the reinforcing effect is obvious, and no second phase is generated.
Description
Technical Field
The invention belongs to TiB2The field of preparation of reinforced aluminum-based composite materials, in particular to TiB2A reinforced aluminum matrix composite material and a preparation method thereof.
Background
Conventional ceramic materials for strengthening aluminum alloys include carbides, borides, nitrides, and oxides, among which are titanium diboride (TiB)2) Is an excellent and attractive candidate material. TiB2The titanium-boron composite material is the most stable compound consisting of titanium and boron, which are connected by covalent bonds, and the unit cell structure of the titanium-boron composite material is a hexagonal unit cell structure. TiB2Has good physical and chemical properties, the melting point is 2980 ℃, the modulus can reach 565GPa, and the hardness can reach 2500 HV. In addition, TiB2The composite material has good electrical conductivity, thermal conductivity, corrosion resistance and thermal stability, and is a very excellent and rare particle reinforced phase. TiB2The reinforced aluminum-based composite material has wide application prospect in the fields of aerospace, automobile manufacturing, electronic instruments, military and the like.
Discloses a high-strength TiB2A preparation process of a particle reinforced aluminum matrix composite plate. The specific process comprises the steps of putting an A356 alloy material into a graphite crucible, heating to a certain temperature, adding a certain amount of dried potassium fluoborate into the molten A356 alloy, reacting for a certain time, cooling to a certain temperature after the reaction is finished, casting into an extrusion die, directly extruding in a certain mode after the temperature is reduced to a certain temperature, and directly rolling in a certain mode after the extrusion is finished to obtain the plate. TiB prepared by the preparation process2The particle-reinforced A356 composite material plate has the advantages of small matrix crystal grain, uniform particle distribution, less impurities, greatly improved tensile strength of the plate and improved plasticity.
CN109957685A discloses a high-dispersion TiB2A preparation method of a/A356 composite material belongs to the technical field of material preparation. The reinforcing particle mass percent component, TiB2: 3.0-10.0%, matrix alloy mass percentage composition Si: 6.5-7.5%, Mg: 0.35-0.45% of Al, the balance of Al, the composite material reinforcing particles are TiB2 particles with the size less than 1 mu m, and the matrix image composition mainly comprises alpha-Al and Mg2Si, eutectic Si. Al-TiB prepared by melt self-propagating direct synthesis method2Intermediate alloy of Al powder, Ti powder and TiO2、H3BO3As raw materialsPreparing TiB with stable mass fraction and smaller average size2And (3) granules. The invention adopts a two-step method to prepare the composite material, and firstly prepares Al-TiB2The intermediate alloy avoids the in-situ reaction directly carried out in the Al-Si-Mg matrix alloy, thereby causing the loss of alloy components, and further uses Al-TiB2And (3) taking the intermediate alloy as a matrix, adding an aluminum ingot to adjust the components, and preparing the composite material.
Published prior art, preparation of TiB2The method for reinforcing aluminum-based composite material adopts a method of adding a reinforcing phase into an aluminum melt, and a reinforcing body TiB2The particles can be directly added or generated by reaction. The preparation method has the defects of high temperature which is higher than the melting point of aluminum, thus having the disadvantages of burning loss of alloy elements, severe production conditions, high energy consumption and the like.
Disclosure of Invention
The invention aims to provide a TiB (titanium boride) aiming at the defects of the prior art2Reinforced aluminium-base composite material and its preparing process, and the TiB2TiB in reinforced aluminum-based composite material2Can be uniformly dispersed in the matrix material, effectively strengthening the matrix material.
To achieve the above object, an aspect of the present invention provides a TiB2The reinforced aluminum-base composite material is prepared with TiB in 0.1-30 wt%2And 70-99.9% of a matrix material;
the method comprises the following steps:
s1: respectively pretreating the base material and the stainless steel plate;
s2: folding the smooth surface of the pretreated stainless steel plate and pressing the stainless steel plate into a stainless steel envelope;
s3: mixing the TiB2Placing the TiB on the pretreated base material2The base material is folded in half to make the base material wrap the TiB2Then, sealing the periphery of the base material and putting the base material into the stainless steel envelope;
s4: and rolling the stainless steel envelope provided with the industrial pure aluminum plate with the sealed periphery in the step S3, folding the stainless steel envelope in half along the length direction of the stainless steel envelope after each rolling pass, and then rolling the stainless steel envelope for the next pass. And rolling for 7 times along the same direction, then converting the direction to 90 degrees for rolling, and folding in half along the length direction of the stainless steel envelope after each rolling for one time. Then the rolling is carried out for 7 times in the direction of the first rotation, and the rolling is carried out for one time in the direction of 90 degrees. In general, 8 times are taken as a cycle, the first 7 times of rolling are in the same direction, the 8 th time is rotated by 90 degrees, and then a new cycle is started for rolling.
Another aspect of the invention provides TiB made by the method2A reinforced aluminum matrix composite.
The invention has the following beneficial effects:
the invention can prepare TiB with different content of strengthening phase at room temperature2Al composite material, TiB produced2The reinforced phase of the/Al composite material is uniformly distributed, and the reinforcing effect is obvious. The adopted equipment is a common double-roller cold rolling mill, the preparation process flow is simple, and high temperature, base material and TiB are not required2With no second phase being generated in between.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
FIG. 1 shows a TiB provided by the present invention2The process diagram of the preparation method of the reinforced aluminum matrix composite material.
FIG. 2 shows a TiB provided in embodiment 3 of the present invention2TiB prepared by preparation method of reinforced aluminum-based composite material2Is 15% of TiB2And (3) metallographic microscopic images of the/Al composite material.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
One aspect of the invention provides a TiB2The reinforced aluminum-base composite material is prepared with TiB in 0.1-30 wt%2And 70-99.9% of a matrix material, preferably 5-25% of said TiB2And 75-95% of a base material, more preferably 10-25% of said TiB2And 75-90% of a base material;
the method comprises the following steps:
s1: respectively pretreating the base material and the stainless steel plate;
s2: folding the smooth surface of the pretreated stainless steel plate and pressing the stainless steel plate into a stainless steel envelope;
s3: mixing the TiB2Placing the TiB on the pretreated base material2The base material is folded in half to make the base material wrap the TiB2Then, sealing the periphery of the base material and putting the base material into the stainless steel envelope;
s4: and rolling the stainless steel envelope provided with the industrial pure aluminum plate with the sealed periphery in the step S3, folding the stainless steel envelope in half along the length direction of the stainless steel envelope after each rolling pass, and then rolling the stainless steel envelope for the next pass. And rolling for 7 times along the same direction, then converting the direction to 90 degrees for rolling, and folding in half along the length direction of the stainless steel envelope after each rolling for one time. Then the rolling is carried out for 7 times in the direction of the first rotation, and the rolling is carried out for one time in the direction of 90 degrees. In general, 8 times are taken as a cycle, the first 7 times of rolling are in the same direction, the 8 th time is rotated by 90 degrees, and then a new cycle is started for rolling.
According to the invention, preferably, the TiB2The purity of the product is 99-99.99%, and the particle size is 300nm-2 μm.
According to the invention, the base material is preferably an industrially pure aluminum plate.
According to the present invention, preferably, the purity of the industrial pure aluminum plate is 99-99.99%, and the thickness is 0.01-0.2 mm.
According to the present invention, preferably, in step S1, the preprocessing step is: treating the base material by using sand paper, absolute ethyl alcohol and acetone; and (3) treating the stainless steel plate by using absolute ethyl alcohol and acetone.
According to the invention, the surface of the industrial pure aluminum plate is polished by using sand paper, the polishing aims at removing a compact oxide film which is easily formed in the air of the industrial pure aluminum plate, after polishing is finished, the surface is cleaned by using absolute ethyl alcohol, and then the surface grease is removed by using acetone. For the stainless steel plate, the surface is wiped clean by the same absolute ethyl alcohol, and then the surface grease is wiped by acetone.
According to the present invention, preferably, the stainless steel plate has a thickness of 0.4 to 0.6 mm.
According to the present invention, preferably, in step S4, the set pass is 20 to 40.
According to the invention, preferably, in step S2 and step S4, the pressing and rolling are performed by a double-roller cold rolling mill, the rotation speed of a motor of the double-roller cold rolling mill is 1400-1500r/min, the rolling speed of two rollers of the double-roller cold rolling mill is 10-20m/min, and the reduction of the thickness of the rolled sample in each pass is 45-52%.
Another aspect of the invention provides TiB made by the method2A reinforced aluminum matrix composite.
Referring now to FIG. 1, a TiB of the present invention is illustrated2The preparation method of the reinforced aluminum matrix composite is described in detail.
In each of the following examples, the TiB2Purchased from Ningbo Bo Huas nanotechnology, Inc., the TiB2The purity is 99-99.99%, and the grain diameter is 300nm-2 μm. The purity of the industrial pure aluminum plate is 99-99.99%, and the size of the industrial pure aluminum plate is 100 mm multiplied by 200 mm multiplied by 0.1 mm.
Example 1
The raw material of the composite material comprises 5 percent of TiB by weight percentage2And 95% commercial purity aluminum plate; specifically, TiB having a particle size of 500nm was weighed2Powder 0.28 g andal foil 5.32 g.
The method comprises the following steps:
s1: respectively pretreating the industrial pure aluminum plate and the stainless steel plate with the thickness of 0.5 mm; the pretreatment steps are as follows: the surface of the industrial pure aluminum plate is polished by using abrasive paper, the purpose of polishing is to remove a compact oxide film which is easily formed in the air of the industrial pure aluminum plate, after polishing is finished, the surface is cleaned by using absolute ethyl alcohol, and then surface grease is removed by using acetone. For the stainless steel plate, the surface is wiped clean by the same absolute ethyl alcohol, and then the surface grease is wiped by acetone.
S2: folding the smooth surface of the pretreated stainless steel plate with the thickness of 0.5mm in half and pressing the stainless steel plate into a stainless steel envelope by adopting a double-roller cold rolling mill; the motor speed of the double-roller cold rolling mill is 1480r/min, the rolling speed of two rollers of the double-roller cold rolling mill is 15m/min, and the reduction of the thickness of a rolled sample in each pass is 50%.
S3: mixing TiB2Placing the pretreated industrial pure aluminum plate on which the TiB is to be placed2The industrial pure aluminum plate is folded in half, so that the industrial pure aluminum plate wraps the TiB2Then, the commercially pure aluminum plate was sealed around and placed in the stainless steel envelope.
S4: and rolling the stainless steel envelope provided with the industrial pure aluminum plate with the sealed periphery in the step S3, folding the stainless steel envelope in half along the length direction of the stainless steel envelope after each rolling pass, and then rolling the stainless steel envelope for the next pass. And rolling for 7 times along the same direction, then converting the direction to 90 degrees for rolling, and folding in half along the length direction of the stainless steel envelope after each rolling for one time. Then the rolling is carried out for 7 times in the direction of the first rotation, and the rolling is carried out for one time in the direction of 90 degrees. In general, 8 times are taken as a cycle, the first 7 times of rolling are in the same direction, the 8 th time is rotated by 90 degrees, and then a new cycle is started for rolling. The set pass is 25 times, the equipment that rolling adopted is two roller cold rolling mills, the motor speed of two roller cold rolling mills is 1480r/min, two roller rolling speed of two roller cold rolling mills is 15m/min, and the rolling reduction of rolling sample thickness of each pass is 50%.
Example 2
According to the weightThe raw material of the composite material comprises 10 percent of TiB in percentage by weight2And 90% commercial purity aluminum plate; specifically, TiB having a particle size of 500nm was weighed20.59 g of powder and 5.34 g of Al foil.
The method comprises the following steps:
s1: respectively pretreating the industrial pure aluminum plate and the stainless steel plate with the thickness of 0.5 mm; the pretreatment steps are as follows: the surface of the industrial pure aluminum plate is polished by using abrasive paper, the purpose of polishing is to remove a compact oxide film which is easily formed in the air of the industrial pure aluminum plate, after polishing is finished, the surface is cleaned by using absolute ethyl alcohol, and then surface grease is removed by using acetone. For the stainless steel plate, the surface is wiped clean by the same absolute ethyl alcohol, and then the surface grease is wiped by acetone.
S2: folding the smooth surface of the pretreated stainless steel plate with the thickness of 0.5mm in half and pressing the stainless steel plate into a stainless steel envelope by adopting a double-roller cold rolling mill; the motor speed of the double-roller cold rolling mill is 1480r/min, the rolling speed of two rollers of the double-roller cold rolling mill is 15m/min, and the reduction of the thickness of a rolled sample in each pass is 50%.
S3: mixing TiB2Placing the pretreated industrial pure aluminum plate on which the TiB is to be placed2The industrial pure aluminum plate is folded in half, so that the industrial pure aluminum plate wraps the TiB2Then, the commercially pure aluminum plate was sealed around and placed in the stainless steel envelope.
S4: and rolling the stainless steel envelope provided with the industrial pure aluminum plate with the sealed periphery in the step S3, folding the stainless steel envelope in half along the length direction of the stainless steel envelope after each rolling pass, and then rolling the stainless steel envelope for the next pass. And rolling for 7 times along the same direction, then converting the direction to 90 degrees for rolling, and folding in half along the length direction of the stainless steel envelope after each rolling for one time. Then the rolling is carried out for 7 times in the direction of the first rotation, and the rolling is carried out for one time in the direction of 90 degrees. In general, 8 times are taken as a cycle, the first 7 times of rolling are in the same direction, the 8 th time is rotated by 90 degrees, and then a new cycle is started for rolling. The set pass is 25 times, the equipment that rolling adopted is two roller cold rolling mills, the motor speed of two roller cold rolling mills is 1480r/min, two roller rolling speed of two roller cold rolling mills is 15m/min, and the rolling reduction of rolling sample thickness of each pass is 50%.
Example 3
The raw material of the composite material comprises 15 percent of TiB by weight percentage2And 85% of industrial pure aluminum plate; specifically, TiB having a particle size of 500nm was weighed20.93 g of powder and 5.28 g of Al foil.
The method comprises the following steps:
s1: respectively pretreating the industrial pure aluminum plate and the stainless steel plate with the thickness of 0.5 mm; the pretreatment steps are as follows: the surface of the industrial pure aluminum plate is polished by using abrasive paper, the purpose of polishing is to remove a compact oxide film which is easily formed in the air of the industrial pure aluminum plate, after polishing is finished, the surface is cleaned by using absolute ethyl alcohol, and then surface grease is removed by using acetone. For the stainless steel plate, the surface is wiped clean by the same absolute ethyl alcohol, and then the surface grease is wiped by acetone.
S2: folding the smooth surface of the pretreated stainless steel plate with the thickness of 0.5mm in half and pressing the stainless steel plate into a stainless steel envelope by adopting a double-roller cold rolling mill; the motor speed of the double-roller cold rolling mill is 1480r/min, the rolling speed of two rollers of the double-roller cold rolling mill is 15m/min, and the reduction of the thickness of a rolled sample in each pass is 50%.
S3: mixing TiB2Placing the pretreated industrial pure aluminum plate on which the TiB is to be placed2The industrial pure aluminum plate is folded in half, so that the industrial pure aluminum plate wraps the TiB2Then, the commercially pure aluminum plate was sealed around and placed in the stainless steel envelope.
S4: and rolling the stainless steel envelope provided with the industrial pure aluminum plate with the sealed periphery in the step S3, folding the stainless steel envelope in half along the length direction of the stainless steel envelope after each rolling pass, and then rolling the stainless steel envelope for the next pass. And rolling for 7 times along the same direction, then converting the direction to 90 degrees for rolling, and folding in half along the length direction of the stainless steel envelope after each rolling for one time. Then the rolling is carried out for 7 times in the direction of the first rotation, and the rolling is carried out for one time in the direction of 90 degrees. In general, 8 times are taken as a cycle, the first 7 times of rolling are in the same direction, the 8 th time is rotated by 90 degrees, and then a new cycle is started for rolling. The set pass is 25 times, the equipment that rolling adopted is two roller cold rolling mills, the motor speed of two roller cold rolling mills is 1480r/min, two roller rolling speed of two roller cold rolling mills is 15m/min, and the rolling reduction of rolling sample thickness of each pass is 50%.
Example 4
The raw material of the composite material comprises 20 percent of TiB by weight percentage2And 80% of commercially pure aluminum plate; specifically, TiB having a particle size of 500nm was weighed21.36 g of powder and 5.42 g of Al foil.
The method comprises the following steps:
s1: respectively pretreating the industrial pure aluminum plate and the stainless steel plate with the thickness of 0.5 mm; the pretreatment steps are as follows: the surface of the industrial pure aluminum plate is polished by using abrasive paper, the purpose of polishing is to remove a compact oxide film which is easily formed in the air of the industrial pure aluminum plate, after polishing is finished, the surface is cleaned by using absolute ethyl alcohol, and then surface grease is removed by using acetone. For the stainless steel plate, the surface is wiped clean by the same absolute ethyl alcohol, and then the surface grease is wiped by acetone.
S2: folding the smooth surface of the pretreated stainless steel plate with the thickness of 0.5mm in half and pressing the stainless steel plate into a stainless steel envelope by adopting a double-roller cold rolling mill; the motor speed of the double-roller cold rolling mill is 1480r/min, the rolling speed of two rollers of the double-roller cold rolling mill is 15m/min, and the reduction of the thickness of a rolled sample in each pass is 50%.
S3: mixing TiB2Placing the pretreated industrial pure aluminum plate on which the TiB is to be placed2The industrial pure aluminum plate is folded in half, so that the industrial pure aluminum plate wraps the TiB2Then, the commercially pure aluminum plate was sealed around and placed in the stainless steel envelope.
S4: and rolling the stainless steel envelope provided with the industrial pure aluminum plate with the sealed periphery in the step S3, folding the stainless steel envelope in half along the length direction of the stainless steel envelope after each rolling pass, and then rolling the stainless steel envelope for the next pass. And rolling for 7 times along the same direction, then converting the direction to 90 degrees for rolling, and folding in half along the length direction of the stainless steel envelope after each rolling for one time. Then the rolling is carried out for 7 times in the direction of the first rotation, and the rolling is carried out for one time in the direction of 90 degrees. In general, 8 times are taken as a cycle, the first 7 times of rolling are in the same direction, the 8 th time is rotated by 90 degrees, and then a new cycle is started for rolling. The set pass is 25 times, the equipment that rolling adopted is two roller cold rolling mills, the motor speed of two roller cold rolling mills is 1480r/min, two roller rolling speed of two roller cold rolling mills is 15m/min, and the rolling reduction of rolling sample thickness of each pass is 50%.
Example 5
The raw material of the composite material comprises 25 percent of TiB by weight percentage2And 75% of commercially pure aluminum plate; specifically, TiB having a particle size of 500nm was weighed21.75 g of powder and 5.26 g of Al foil.
The method comprises the following steps:
s1: respectively pretreating the industrial pure aluminum plate and the stainless steel plate with the thickness of 0.5 mm; the pretreatment steps are as follows: the surface of the industrial pure aluminum plate is polished by using abrasive paper, the purpose of polishing is to remove a compact oxide film which is easily formed in the air of the industrial pure aluminum plate, after polishing is finished, the surface is cleaned by using absolute ethyl alcohol, and then surface grease is removed by using acetone. For the stainless steel plate, the surface is wiped clean by the same absolute ethyl alcohol, and then the surface grease is wiped by acetone.
S2: folding the smooth surface of the pretreated stainless steel plate with the thickness of 0.5mm in half and pressing the stainless steel plate into a stainless steel envelope by adopting a double-roller cold rolling mill; the motor speed of the double-roller cold rolling mill is 1480r/min, the rolling speed of two rollers of the double-roller cold rolling mill is 15m/min, and the reduction of the thickness of a rolled sample in each pass is 50%.
S3: mixing TiB2Placing the pretreated industrial pure aluminum plate on which the TiB is to be placed2The industrial pure aluminum plate is folded in half, so that the industrial pure aluminum plate wraps the TiB2Then, the commercially pure aluminum plate was sealed around and placed in the stainless steel envelope.
S4: and rolling the stainless steel envelope provided with the industrial pure aluminum plate with the sealed periphery in the step S3, folding the stainless steel envelope in half along the length direction of the stainless steel envelope after each rolling pass, and then rolling the stainless steel envelope for the next pass. And rolling for 7 times along the same direction, then converting the direction to 90 degrees for rolling, and folding in half along the length direction of the stainless steel envelope after each rolling for one time. Then the rolling is carried out for 7 times in the direction of the first rotation, and the rolling is carried out for one time in the direction of 90 degrees. In general, 8 times are taken as a cycle, the first 7 times of rolling are in the same direction, the 8 th time is rotated by 90 degrees, and then a new cycle is started for rolling. The set pass is 25 times, the equipment that rolling adopted is two roller cold rolling mills, the motor speed of two roller cold rolling mills is 1480r/min, two roller rolling speed of two roller cold rolling mills is 15m/min, and the rolling reduction of rolling sample thickness of each pass is 50%.
Comparative example 1
The raw material of the composite material comprises 10 percent of TiB by weight percentage2And 90% commercial purity aluminum plate; specifically, TiB having a particle size of 1000nm was weighed20.28 g of powder and 5.32 g of Al foil.
The method comprises the following steps:
s1: respectively pretreating the industrial pure aluminum plate and the stainless steel plate with the thickness of 0.5 mm; the pretreatment steps are as follows: the surface of the industrial pure aluminum plate is polished by using abrasive paper, the purpose of polishing is to remove a compact oxide film which is easily formed in the air of the industrial pure aluminum plate, after polishing is finished, the surface is cleaned by using absolute ethyl alcohol, and then surface grease is removed by using acetone. For the stainless steel plate, the surface is wiped clean by the same absolute ethyl alcohol, and then the surface grease is wiped by acetone.
S2: folding the smooth surface of the pretreated stainless steel plate with the thickness of 0.5mm in half and pressing the stainless steel plate into a stainless steel envelope by adopting a double-roller cold rolling mill; the motor speed of the double-roller cold rolling mill is 1480r/min, the rolling speed of two rollers of the double-roller cold rolling mill is 15m/min, and the reduction of the thickness of a rolled sample in each pass is 50%.
S3: mixing TiB2Placing the pretreated industrial pure aluminum plate on which the TiB is to be placed2The industrial pure aluminum plate is folded in half, so that the industrial pure aluminum plate wraps the TiB2Then, the commercially pure aluminum plate was sealed around and placed in the stainless steel envelope.
S4: and rolling the stainless steel envelope provided with the industrial pure aluminum plate with the sealed periphery in the step S3, folding the stainless steel envelope in half along the length direction of the stainless steel envelope after each rolling pass, and then rolling the stainless steel envelope for the next pass. And rolling for 7 times along the same direction, then converting the direction to 90 degrees for rolling, and folding in half along the length direction of the stainless steel envelope after each rolling for one time. Then the rolling is carried out for 7 times in the direction of the first rotation, and the rolling is carried out for one time in the direction of 90 degrees. In general, 8 times are taken as a cycle, the first 7 times of rolling are in the same direction, the 8 th time is rotated by 90 degrees, and then a new cycle is started for rolling. The set pass is 25 times, the equipment that rolling adopted is two roller cold rolling mills, the motor speed of two roller cold rolling mills is 1480r/min, two roller rolling speed of two roller cold rolling mills is 15m/min, and the rolling reduction of rolling sample thickness of each pass is 50%.
Test example
TiB prepared for example 32The TiB prepared in example 3 was analyzed by metallographic microscope using a perpendicular rolling direction2The microstructure of the/Al composite material is shown in FIG. 2.
TiB prepared for examples 1, 2, 3, 4, 5 and comparative example 12the/Al composite material was sampled in the parallel rolling direction to perform Vickers microhardness measurement, and the TiB prepared in examples 1, 2, 3, 4, and 5 and comparative example 1, which were measured in the parallel rolling direction using 100 g load and 10 seconds of dwell time, were measured2The Vickers hardness of the/Al composite is shown in Table 1. The rolling times were changed for example 2 and comparative example to 25, 30, 35, 40, and the TiB produced was tested2The Vickers microhardness of the/Al composite material in the direction parallel to the rolling direction is shown in Table 2.
TABLE 1
| Parallel rolling direction Vickers microhardness (HV) | |
| Example 1 | 58.86 |
| Example 2 | 61.79 |
| Example 3 | 63.28 |
| Example 4 | 69.21 |
| Example 5 | 75.25 |
| Comparative example 1 | 60.3 |
| Industrial pure aluminum plate | 20.40 |
TABLE 2
| Parallel rolling method with rolling times of 25 Vickers microhardness (HV) | Parallel rolling method with rolling times of 30 times Vickers microhardness (HV) | Parallel rolling method with 35 rolling times Vickers microhardness (HV) | Parallel rolling method with rolling times of 40 Vickers microhardness (HV) | |
| Practice of Example 2 | 61.79 | 63.08 | 65.22 | 69.21 |
| Testing Example 2 | 60.3 | 61.78 | 63.81 | 68.9 |
As can be seen from tables 1, 2 and FIG. 2, TiB prepared according to the method of the present invention2The reinforced aluminum-based composite material has obviously higher hardness, uniform distribution of reinforced phases, matrix material and TiB2With no second phase being generated in between. In addition, the composite material prepared under the optimized conditions has better strengthening effect.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (9)
1. TiB2The preparation method of the reinforced aluminum-based composite material is characterized in that the raw material of the composite material comprises 0.1 to 30 weight percent of TiB2And 70-99.9% of a matrix material, preferably 5-25% of said TiB2And 75-95% of matrix material, more preferably 10-25% of said TiB2And 75-90% of a base material; the method comprises the following steps:
s1: respectively pretreating the base material and the stainless steel plate;
s2: folding the smooth surface of the pretreated stainless steel plate and pressing the stainless steel plate into a stainless steel envelope;
s3: mixing the TiB2Placing the TiB on the pretreated base material2The base material is folded in half to make the base material wrap the TiB2Then, sealing the periphery of the base material and putting the base material into the stainless steel envelope;
s4: rolling the stainless steel envelope provided with the industrial pure aluminum plate with the sealed periphery in the step S3, folding the stainless steel envelope in half along the length direction of the stainless steel envelope after each rolling pass, and then rolling the stainless steel envelope for the next pass; rolling for 7 times along the same direction, then converting the direction to 90 degrees for rolling, and folding in half along the length direction of the stainless steel envelope after each rolling for one time; then the rolling is carried out for 7 times in the first-time direction, and the rolling is carried out for one time in a 90-degree rotation manner; in general, 8 times are taken as a cycle, the first 7 times of rolling are in the same direction, the 8 th time is rotated by 90 degrees, and then a new cycle is started for rolling.
2. The TiB of claim 12A method for preparing a reinforced aluminum matrix composite, wherein said TiB2The purity of the product is 99-99.99%, and the particle size is 300nm-2 μm.
3. The TiB of claim 22The preparation method of the reinforced aluminum-based composite material is characterized in that the matrix material adopts an industrial pure aluminum plate.
4. The TiB of claim 32The preparation method of the reinforced aluminum-based composite material comprises the following step of preparing an industrial pure aluminum plate with the purity of 99-99.99% and the thickness of 0.01-0.2 mm.
5. T according to claim 1iB2The preparation method of the reinforced aluminum-based composite material comprises the following pretreatment steps in step S1: treating the base material by using sand paper, absolute ethyl alcohol and acetone; and (3) treating the stainless steel plate by using absolute ethyl alcohol and acetone.
6. The TiB of claim 52The preparation method of the reinforced aluminum-based composite material is characterized in that the thickness of the stainless steel plate is 0.4-0.6 mm.
7. The TiB of claim 62The preparation method of the reinforced aluminum-based composite material is characterized in that in the step S4, the set pass is 20-40 times.
8. The TiB of claim 72The preparation method of the reinforced aluminum-based composite material comprises the steps of S2 and S4, wherein the pressing and rolling are performed by a double-roller cold rolling mill, the motor speed of the double-roller cold rolling mill is 1400-1500r/min, the rolling speed of two rollers of the double-roller cold rolling mill is 10-20m/min, and the reduction of the thickness of a sample rolled in each pass is 45-52%.
9. TiB produced by the method of any of claims 1 to 82A reinforced aluminum matrix composite.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0711359A (en) * | 1993-06-23 | 1995-01-13 | Agency Of Ind Science & Technol | Production of foil of ceramic whisker and particle reinforced aluminum alloy composite material |
| JP2010255032A (en) * | 2009-04-23 | 2010-11-11 | Nippon Light Metal Co Ltd | Metal matrix composite |
| CN101906548A (en) * | 2010-07-09 | 2010-12-08 | 哈尔滨工业大学 | Preparation method of TiB2 particle-reinforced TiAl-based composite material |
| JP2013241675A (en) * | 2013-04-11 | 2013-12-05 | Nippon Light Metal Co Ltd | Method of manufacturing metal-based composite material |
| CN106367628A (en) * | 2016-08-31 | 2017-02-01 | 上海交通大学 | Method for preparing high-strength high-plasticity aluminum-based composite material |
| CN112626377A (en) * | 2020-11-11 | 2021-04-09 | 武汉轻工大学 | Al (aluminum)2O3Reinforced aluminum-based composite material and preparation method thereof |
| CN112813333A (en) * | 2020-11-11 | 2021-05-18 | 武汉轻工大学 | TiN-reinforced aluminum-based composite material and preparation method thereof |
-
2021
- 2021-09-30 CN CN202111160705.6A patent/CN113846250A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0711359A (en) * | 1993-06-23 | 1995-01-13 | Agency Of Ind Science & Technol | Production of foil of ceramic whisker and particle reinforced aluminum alloy composite material |
| JP2010255032A (en) * | 2009-04-23 | 2010-11-11 | Nippon Light Metal Co Ltd | Metal matrix composite |
| CN101906548A (en) * | 2010-07-09 | 2010-12-08 | 哈尔滨工业大学 | Preparation method of TiB2 particle-reinforced TiAl-based composite material |
| JP2013241675A (en) * | 2013-04-11 | 2013-12-05 | Nippon Light Metal Co Ltd | Method of manufacturing metal-based composite material |
| CN106367628A (en) * | 2016-08-31 | 2017-02-01 | 上海交通大学 | Method for preparing high-strength high-plasticity aluminum-based composite material |
| CN112626377A (en) * | 2020-11-11 | 2021-04-09 | 武汉轻工大学 | Al (aluminum)2O3Reinforced aluminum-based composite material and preparation method thereof |
| CN112813333A (en) * | 2020-11-11 | 2021-05-18 | 武汉轻工大学 | TiN-reinforced aluminum-based composite material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李菊英等: "Al2O3/Ti2AlN复合材料的弯曲性能研究", 武汉轻工大学学报, vol. 38, no. 2, pages 31 - 34 * |
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