CN102501457A - Ceramic-TiAl micro-laminated composite material board and preparation method thereof - Google Patents
Ceramic-TiAl micro-laminated composite material board and preparation method thereof Download PDFInfo
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- CN102501457A CN102501457A CN2011103015984A CN201110301598A CN102501457A CN 102501457 A CN102501457 A CN 102501457A CN 2011103015984 A CN2011103015984 A CN 2011103015984A CN 201110301598 A CN201110301598 A CN 201110301598A CN 102501457 A CN102501457 A CN 102501457A
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Abstract
The invention relates to a ceramic-TiAl micro-laminated composite material board and a preparation method thereof, relates to a micro-laminated composite material board and a preparation method thereof, and is mainly used for solving the problems that the single TiAl intermetallic compound board has poor high-temperature strength so as not to satisfy the use requirements of aerospace high-temperature components working at 800-1000 DEG C and the TiAl composite material board, which is prepared by powder metallurgy, casting and other traditional methods and has the characteristic that a ceramic granule reinforcing body is uniformly distributed in a TiAl substrate, has poor fracture toughness. The ceramic-TiAl micro-laminated composite material board is prepared by alternately laminating and rolling pure Ti foils and ceramic-reinforced Al-based composite material foil materials, and carrying out heat treatment. The preparation method comprises the steps of: (1) preparing ceramic-reinforced Al-based composite material foil materials; (2) alternately laminating and rolling pure Ti foils and ceramic-reinforced Al-based composite material foil materials; (3) reacting and annealing; (4) carrying out compact treatment; and (5) carrying out high-temperature heat treatment, homogenizing and annealing. The ceramic-TiAl micro-laminated composite material board is used for aerospace machine manufacturing field.
Description
Technical field
The present invention relates to a kind of little laminated composite materials sheet material and preparation method thereof.
Background technology
TiAl base alloy is 21 century to have one of lightweight high-temperature structural material of development potentiality most.As the structure member of supersonic vehicle and following turbogenerator and the structural material of thermal protection system use, TiAl based alloy plate and foil demand are urgent.The difficulty that present traditional hot milling method prepares the TiAl based alloy plate is quite big, needs to adopt special rolled technologies such as special pack rolling and ausrolling, and rolling condition requires very harshness, and equipment requirements is very high, has improved the technology cost greatly; High-temperature behaviors such as the elevated temperature strength of monomer TiAl intermetallic compound plate material, creep resistance and enduring quality are difficult to satisfy the instructions for use of Aero-Space high-temperature component 800～1000 ℃ of work in addition.Above deficiency has seriously hindered the application of TiAl base alloy.The TiAl based composites that ceramic particle or whisker strengthen can solve an above-mentioned difficult problem; Yet the ceramic particle of conventional method such as powder metallurgy and casting preparation strengthens ceramic particle enhancing body tiny in the TiAl based composites to be evenly distributed in the TiAl matrix, causes the fracture toughness of the composite board of this kind structure can not satisfy instructions for use.
Summary of the invention
The present invention will solve monomer TiAl intermetallic compound and strengthen the not enough problem of fracture toughness that ceramic particle enhancing body tiny in the TiAl based composites is evenly distributed on the TiAl composite board in the TiAl matrix at the ceramic particle that conventional methods such as 800～1000 ℃ of undercapacities and employing powder metallurgy and casting are prepared, and little laminated composite materials sheet material of a kind of pottery-TiAl that provides and preparation method thereof.
The little laminated composite materials plate of pottery-TiAl of the present invention by pure Ti paper tinsel and the Al based composites foil that pottery strengthens be stacked alternately, rolling and heat treatment processes, the Al based composites foil that pottery strengthens strengthens body and pure Al powder hot pressed sintering and rolling processing by pottery; Ceramic layer and TiAl layer are alternately overlapping in the little laminated composite materials sheet material of pottery-TiAl, and the lamination spacing is 20～200 μ m.
The little laminated composite materials sheet material of above-mentioned pottery-TiAl prepares according to the following steps:
One, pottery is strengthened body and pure Al powder mixing back employing hot pressed sintering and the rolling Al based composites of preparing the pottery enhancing; The Al based composites of pottery enhancing is rolling under 20～500 ℃ of conditions in temperature then, obtains the Al based composites foil that pottery strengthens;
Two, the Al based composites foil with pure Ti paper tinsel and pottery enhancing is stacked alternately in aluminum alloy sleeve and air extracting seal, under 20～600 ℃ of conditions, is rolled again, obtains little laminated sheet material of Ti-pottery reinforced Al matrix composite;
Three, little laminated sheet material of Ti-pottery reinforced Al matrix composite is put into vacuum heat treatment furnace, reaction annealing 1～20h obtains Ti-pottery-TiAl under 640～850 ℃ of conditions
3Little laminated sheet material;
Four, with Ti-pottery-TiAl
3Little laminated sheet material is put into the vacuum heating-press sintering stove and is carried out densification, and the densification temperature is that 900～1300 ℃, densification temperature retention time are that 1～6h, densification pressure are 5～100MPa;
Little laminated sheet material that five, will pass through densification places 850～1400 ℃ of environment high-temperature heat treatment 5～40h; Homogenizing annealing 10～60min under 1300～1400 ℃ of conditions then, promptly obtaining the lamination spacing is the little laminated composite materials sheet material of pottery-TiAl of 20～200 μ m.
Little laminated material that thickness is defined as 100nm～1mm is that little laminated material can compensate the deficiency of monolayer material internal performance, obtains material strong, tough best fit through the ultra-fine layer structure material to the bionics designing and preparing of nature shell structure.The little laminated composite materials plate of pottery-TiAl of the present invention lamination spacing is 20～200 μ m, the little size that has limited the mobile and defective of dislocation of lamination spacing, thus improve the performance that pottery strengthens the TiAl based composites.
Research before the present invention all is to concentrate on the little laminated composite materials of metal/intermetallic compound, the little laminated composite materials of metal/metal and pottery/ceramic little laminated composite materials, and does not have the research of the little laminated material of compound between ceramic/metal.And with existing little laminated material preparation method (plasma spraying method; Physical vaporous deposition; Magnetic cosputtering methods etc.) comparing the little laminated composite materials preparation of plates of pottery-TiAl of the present invention method, to have equipment requirements low, and cost is low, can be used for preparing the advantage of the big sheet material of thickness.
The little laminated composite materials plate of pottery-TiAl of the present invention has higher hot strength with respect to TiAl monomer sheet material, and the little laminated composite materials plate of this kind pottery-TiAl is in 800～1000 ℃ of temperature ranges, and strain rate is 1 * 10
-4Its yield strength of condition stretched test shows reach 250～350MPa, even than the room temperature fracture strength also high 5%～10% of monomer TiAl intermetallic compound under the room temperature.The little laminated composite materials plate of pottery-TiAl of the present invention also shows good high-temperature plasticity, and in 800～1000 ℃ of temperature ranges, percentage elongation is 6.8%～58%; And specific stiffness reduces seldom under 800～1000 ℃ of high temperature.Improve the practical value of the little laminated composite materials plate of pottery-TiAl of the present invention in the Aero-Space hot environment greatly.Because interface layer is to the passivation of crackle, the little laminated composite materials plate of pottery-TiAl of the present invention also shows good delayed fracture characteristic, and its fracture toughness increases and corresponding raising with ceramic layer thickness, and the room temperature fracture toughness reaches 8～30MPam
1/2Overcome the fracture toughness defect of insufficient of monomer TiAl intermetallic compound, improved the serviceability of aerospace structure spare.The density of the little laminated composite materials plate of pottery-TiAl of the present invention is significantly improved simultaneously.
The preparation method of the little laminated composite materials plate of pottery-TiAl of the present invention has utilized the good deformability of the pure Ti paper tinsel and the Al based composites foil of pottery enhancing at first to prepare little laminated sheet material of Ti-pottery reinforced Al matrix composite; Avoided follow-up distortion to fragility TiAl; And after the annealing of step 4 first set reaction, carried out densification; Not only eliminated the Kirkendall hole; Obtain little laminated composite materials sheet material of high-compactness, also help the carrying out of subsequent step six high-temperature heat treatment reaction diffusion simultaneously.
The preparation method of the little laminated composite materials plate of pottery-TiAl of the present invention is through the relative thickness of the pure Ti paper tinsel of adjustment with the Al based composites foil of pottery enhancing; And ceramic volume fraction and the rolling reduction that strengthens body in the Al based composites foil of pottery enhancing; Thereby the thickness of ceramic layer and TiAl layer in the little laminated composite materials sheet material of control pottery-TiAl, and then the raising of realization fracture toughness and high-temperature behavior.
The preparation method of the little laminated composite materials plate of pottery-TiAl of the present invention has that preparation technology's difficulty is little, conditional request is loose, equipment requirements is low and advantage such as the preparation material structure is tiny.
Description of drawings
Fig. 1 is prepared TiB in the little laminated composite materials sheet material of the preparation pottery-TiAl instantiation one
2The microstructure electron microscope back scattering photo of the little laminated composite materials sheet material of-TiAl.
The specific embodiment
Technical scheme of the present invention is not limited to the following cited specific embodiment, also comprises the combination in any between each specific embodiment.
The specific embodiment one: the little laminated composite materials plate of this embodiment pottery-TiAl by pure Ti paper tinsel and the Al based composites foil that pottery strengthens be stacked alternately, rolling and heat treatment processes, the Al based composites foil that pottery strengthens strengthens body and pure Al powder hot pressed sintering and rolling processing by pottery; Ceramic layer and TiAl layer are alternately overlapping in the little laminated composite materials sheet material of pottery-TiAl, and the lamination spacing is 20～200 μ m.
The pottery selected for use in this embodiment strengthen body not with titanium, reactive aluminum.
The Al composite foil that this embodiment pottery strengthens is that ceramic layer and TiAl layer replace overlapping multilayer materials; Not only can give full play to the effect that little laminated construction is toughness reinforcing and strengthen; Equally also brought into play the high-temperature behavior of ceramic phase, solve the TiAl fracture toughness low with 800～1000 ℃ of conditions under the problem of undercapacity.
The specific embodiment two: this embodiment with the difference of the specific embodiment one is: pure Ti paper tinsel thickness in monolayer is 100～500 μ m, and pure Ti paper tinsel is 1: 0.88～0.98 with the thickness in monolayer ratio of the Al based composites foil that pottery strengthens.Other is identical with embodiment one.
The pure Ti paper tinsel of this embodiment thickness in monolayer is preferably 200～250 μ m.
The thickness in monolayer ratio of the Al composite foil that the pure Ti paper tinsel of this embodiment and pottery strengthen is preferably 1: 0.91～and 0.97.
The specific embodiment three: this embodiment with the specific embodiment one or two difference is: the volume fraction of pure Al powder is 90%～99.9% in the ceramic Al based composites foil that strengthens, and the volume fraction of pottery enhancing body is 0.1%～10% in the Al based composites foil that pottery strengthens.Other is identical with embodiment one or two.
This embodiment can go out volume separately according to pure Al powder and density and the Mass Calculation that pottery strengthens body.
The volume fraction of pure Al powder is preferably 92%～98% in the Al composite foil that this embodiment pottery strengthens, and the ceramic volume fraction that strengthens body is preferably 2%～8% in the Al composite foil that pottery strengthens.
The volume fraction of pure Al powder more preferably 94%～96% in the Al composite foil that this embodiment pottery strengthens, the volume fraction that pottery strengthens body in the Al composite foil that pottery strengthens more preferably 4%～6%.
The specific embodiment four: the difference of one of this embodiment and specific embodiment one to three is: the particle diameter of pure Al powder is 10～100 μ m, and it is that size is that whisker or the particle diameter of 100nm * 1 μ m～5 μ m * 30 μ m is the particle of 100nm～6 μ m that pottery strengthens body.Other is identical with one of embodiment one to three.
The specific embodiment five: this embodiment with the difference of one of specific embodiment one to four is: pottery strengthens body and is selected from TiB
2, TiC, Al
2O
3And Ti
5Si
3In one or more.Other is identical with one of embodiment one to four.
Pottery enhancing body is selected from TiB in this embodiment step 1
2, TiC, Al
2O
3And Ti
5Si
3In two or more material form, can concern for arbitrary proportion between each component.
The specific embodiment six: the little laminated composite materials sheet material of this embodiment pottery-TiAl prepares according to the following steps:
One, pottery is strengthened body and pure Al powder mixing back employing hot pressed sintering and the rolling Al based composites of preparing the pottery enhancing; The Al based composites of pottery enhancing is rolling under 20～500 ℃ of conditions in temperature then, obtains the Al based composites foil that pottery strengthens;
Two, the Al based composites foil with pure Ti paper tinsel and pottery enhancing is stacked alternately in aluminum alloy sleeve and air extracting seal, under 20～600 ℃ of conditions, is rolled again, obtains little laminated sheet material of Ti-pottery reinforced Al matrix composite;
Three, little laminated sheet material of Ti-pottery reinforced Al matrix composite is put into vacuum heat treatment furnace, reaction annealing 1～20h obtains Ti-pottery-TiAl under 640～850 ℃ of conditions
3Little laminated sheet material;
Four, with Ti-pottery-TiAl
3Little laminated sheet material is put into the vacuum heating-press sintering stove and is carried out densification, and the densification temperature is that 900～1300 ℃, densification temperature retention time are that 1～6h, densification pressure are 5～100MPa;
Little laminated sheet material that five, will pass through densification places 850～1400 ℃ of environment high-temperature heat treatment 5～40h; Homogenizing annealing 10～60min under 1300～1400 ℃ of conditions then, promptly obtaining the lamination spacing is the little laminated composite materials sheet material of pottery-TiAl of 20～200 μ m.
Al complete reaction in this embodiment step 3.
The Kirkendall hole that this embodiment step 4 can removal process forms in the three reaction annealing makes Ti-pottery-TiAl
3Little laminated sheet material is densified.
The pottery selected for use in the step 1 in this embodiment strengthen body not with titanium, reactive aluminum.
The Al based composites that the present embodiment step 1 adopts powder metallurgic method preparation pottery to strengthen: pottery is strengthened body and pure Al powder prepare the pottery enhancing by compression moulding and sintering Al based composites.
The Al based composites that pottery strengthens in this embodiment step 1 is rolling under 50～500 ℃ of conditions in temperature preferably; More preferably temperature is rolling under 300～500 ℃ of conditions; Further preferred temperature is rolling under 400～500 ℃ of conditions.
Preferably under 300～550 ℃ of conditions, be rolled in this embodiment step 2.
Preferably under 680～800 ℃ of conditions, react annealing 2～10h in this embodiment step 3; More preferably under 680～730 ℃ of conditions, react annealing 2～8h.
The preferred densification temperature of this embodiment step 4 is that 1000～1200 ℃, densification temperature retention time are that 2～5h, densification pressure are 30～90MPa; More preferably the densification temperature is that 1100～1200 ℃, densification temperature retention time are that 3～4h, densification pressure are 40～80MPa.
Little laminated sheet material that will pass through densification in this embodiment step 5 preferably places 900～1300 ℃ of environment high-temperature heat treatment 20～40h, then homogenizing annealing 10～50min under 1300～1400 ℃ of conditions; Little laminated sheet material that will pass through densification more preferably places 1100～1200 ℃ of environment high-temperature heat treatment 30～40h, then homogenizing annealing 10～30min under 1340～1400 ℃ of conditions.
Pottery strengthens body mix the sintering temperature of hot pressing afterwards with pure Al powder is that 640 ± 10 ℃, hot pressed sintering pressure are 30 ± 5MPa in this embodiment step 1; Behind the hot pressed sintering in the operation of rolling rolling temperature be 400 ± 10 ℃, promptly obtain the Al based composites that pottery strengthens after rolling.
The little laminated composite materials sheet material of this embodiment pottery-TiAl is that ceramic layer and TiAl layer replace the overlapping composite with sandwich construction; Not only can give full play to the effect that little laminated construction is toughness reinforcing and strengthen; Equally also bring into play the high-temperature behavior of ceramic phase, solved TiAl fracture toughness problem low and undercapacity more than 800 ℃.
Specific embodiments seven: this embodiment with the difference of the specific embodiment six is: the thickness in monolayer of pure Ti paper tinsel is 100～500 μ m in the step 2; The Al based composites foil that pottery strengthens is 0.88～0.98: 1 with the thickness in monolayer ratio of pure Ti paper tinsel.Other step and parameter are identical with embodiment one.
The thickness in monolayer ratio of the Al based composites foil that pure Ti paper tinsel and pottery strengthen in this embodiment step 2 is preferably 1: 0.92～and 0.94.
Pure Ti paper tinsel thickness in monolayer is preferably 200～250 μ m in this embodiment step 2.
Specific embodiments eight: this embodiment with the specific embodiment six or seven difference is: gross thickness was 4.3～8.9mm after the Al based composites foil of pure Ti paper tinsel and pottery enhancing was stacked alternately in the step 2, and rolling reduction is 40%～80%.Other step and parameter are identical with embodiment six or seven.
The preferred rolling reduction of this embodiment is 45%～65%.
Specific embodiments nine: the difference of one of this embodiment and specific embodiment six to eight is: the volume fraction of pure Al powder is 90%～99.9% in the Al composite foil that pottery strengthens in the step 1, and the ceramic volume fraction that strengthens body is 0.1%～10% in the Al composite foil that pottery strengthens.Other step and parameter are identical with one of embodiment six to eight.
The volume fraction of pure Al powder is preferably 92%～98% in the Al based composites foil that pottery strengthens in this embodiment step 2, and the ceramic volume fraction that strengthens body is preferably 2%～8% in the Al based composites foil that pottery strengthens.
The volume fraction of pure Al powder more preferably 94%～96% in the Al based composites foil that pottery strengthens in this embodiment step 2, the volume fraction that pottery strengthens body in the Al based composites foil that pottery strengthens more preferably 4%～6%.
Specific embodiments ten: this embodiment with the difference of one of specific embodiment six to nine is: pottery enhancing body is selected from TiB in the step 1
2, TiC, Al
2O
3And Ti
5Si
3In one or more.Other step and parameter are identical with one of embodiment six to nine.
Pottery enhancing body is selected from TiB in this embodiment step 1
2, TiC, Al
2O
3And Ti
5Si
3In two or more material form, can concern for arbitrary proportion between each component.
The particle diameter of pure Al powder is 10～100 μ m in this embodiment step 1, and it is that size is that whisker or the particle diameter of 100nm * 1 μ m～5 μ m * 30 μ m is the particle of 100nm～6 μ m that pottery strengthens body.
The little laminated composite materials sheet material of preparation pottery-TiAl instantiation one:
One, pottery is strengthened body TiB
2Mixing the back with pure Al powder is that 645 ℃, pressure are hot pressed sintering under the condition of 30MPa in temperature, is to be rolled under 400 ℃ of conditions to obtain TiB in temperature then
2The Al based composites that strengthens, TiB then
2The Al based composites that strengthens is rolling under 500 ℃ of conditions in temperature, obtains TiB
2/ Al based composites foil, TiB
2/ Al based composites foil thickness in monolayer is 186 μ m;
Two, be pure Ti paper tinsel and 11 layers of TiB of 200 μ m with 12 layers, thickness in monolayer
2/ Al based composites foil is stacked alternately in aluminum alloy sleeve and air extracting seal, under 520 ℃ of conditions, is rolled again, obtains Ti-(TiB
2/ Al) little laminated sheet material;
Three, with Ti-(TiB
2/ Al) little laminated sheet material is put into vacuum heat treatment furnace, and reaction annealing 5h obtains Ti-TiB under 680 ℃ of conditions
2-TiAl
3Little laminated sheet material;
Four, with Ti-TiB
2-TiAl
3Little laminated sheet material is put into the vacuum heating-press sintering stove and is carried out densification, and the densification temperature is that 1200 ℃, densification temperature retention time are that 3h, densification pressure are 40MPa;
Little laminated sheet material that five, will pass through densification places 1200 ℃ of environment high-temperature heat treatment 40h, and homogenizing annealing 20min under 1400 ℃ of conditions promptly obtains TiB then
2The little laminated composite materials sheet material of-TiAl;
Wherein, TiB in the step 1
2The volume fraction of pure Al powder is 95% in the/Al based composites foil, TiB
2Pottery strengthens body TiB in the/Al based composites foil
2Volume fraction be 5%;
The particle diameter of pure Al powder is 10～50 μ m in the step 1, and pottery strengthens body TiB
2Particle diameter be 3～6 μ m;
Gross thickness was 4.45mm after the Al based composites foil of pure Ti paper tinsel and pottery enhancing was stacked alternately in the step 2, and rolling reduction is 61%.The little laminated composite materials sheet material of the pottery-TiAl of this Experiment Preparation (TiB
2The little laminated composite materials sheet material of-TiAl) density is high, and its microstructure is to be the TiB of 5 μ m by average thickness
2The TiAl of the full lamellar structure of layer and 150 μ m constitutes, shown in accompanying drawing 1, and TiB
2The little laminated composite materials sheet material of-TiAl yield strength in 800 ℃～1000 ℃ environment is 260MPa～350MPa, and percentage elongation is 7.2%～58%, and the normal temperature fracture toughness is 10～30MPam
1/2
The little laminated composite materials sheet material of preparation pottery-TiAl instantiation two:
One, pottery is strengthened body TiB
2And Al
2O
3(TiB
2And Al
2O
3Volume ratio be 1: 1) to mix the back be that 640 ℃, pressure are hot pressed sintering under the condition of 32MPa with pure Al powder in temperature, is to be rolled under 405 ℃ of conditions to obtain (TiB in temperature then
2+ Al
2O
3)/Al composite is rolling under 500 ℃ of conditions in temperature then, obtains (TiB
2+ Al
2O
3)/Al based composites foil, (TiB
2+ Al
2O
3)/Al based composites foil thickness in monolayer is 232 μ m;
Two, be the pure Ti paper tinsel of 250 μ m and 11 layers of (TiB with 12 layers, thickness in monolayer
2+ Al
2O
3)/Al based composites foil is stacked alternately in aluminum alloy sleeve and air extracting seal, under 520 ℃ of conditions, is rolled again, obtains Ti-[(TiB
2+ Al
2O
3)/Al] little laminated sheet material;
Three, with Ti-[(TiB
2+ Al
2O
3)/Al] little laminated sheet material puts into vacuum heat treatment furnace, and reaction annealing 5h obtains Ti-(TiB under 680 ℃ of conditions
2+ Al
2O
3)-TiAl
3Little laminated sheet material;
Four, with Ti-(TiB
2+ Al
2O
3)-TiAl
3Little laminated sheet material is put into the vacuum heating-press sintering stove and is carried out densification, and the densification temperature is that 1200 ℃, densification temperature retention time are that 3h, densification pressure are 40MPa;
Little laminated sheet material that five, will pass through densification places 1200 ℃ of environment high-temperature heat treatment 40h, and homogenizing annealing 20min under 1400 ℃ of conditions promptly obtains (TiB then
2+ Al
2O
3The little laminated composite materials sheet material of)-TiAl;
Wherein, (TiB in the step 1
2+ Al
2O
3The volume fraction of pure Al powder is 95% in the)/Al based composites foil, (TiB
2+ Al
2O
3Pottery strengthens body (TiB in the)/Al based composites foil
2+ Al
2O
3) total volume fraction is 5%, TiB wherein
2And Al
2O
3Volume ratio be 1: 1;
The particle diameter of pure Al powder is 10～50 μ m in the step 1, and pottery strengthens body TiB
2And Al
2O
3Particle diameter be 3～6 μ m;
Gross thickness was 5.55mm after the Al based composites foil of pure Ti paper tinsel and pottery enhancing was stacked alternately in the step 2, and rolling reduction is 55%.
The little laminated composite materials sheet material of the pottery-TiAl of this Experiment Preparation ((TiB
2+ Al
2O
3The little laminated composite materials sheet material of)-TiAl) yield strength is 250MPa～330MPa in 800 ℃～1000 ℃ environment, and percentage elongation is 6.8%～55%, and the normal temperature fracture toughness is 8～28MPam
1/2And because Al
2O
3Adding, improved the non-oxidizability of TiAl the alloy, (TiB of this Experiment Preparation
2+ Al
2O
3The little laminated composite materials sheet material of)-TiAl has lacked an one magnitude through 100 hours sample gains in weight of air furnace oxidation than monomer TiAl metal matrix composite sheet material under 900 ℃, satisfied the needs of the high temperature practicability of TiAl material greatly.
Claims (10)
1. the little laminated composite materials sheet material of pottery-TiAl; It is characterized in that the little laminated composite materials plate of pottery-TiAl by pure Ti paper tinsel and the Al based composites foil that pottery strengthens be stacked alternately, rolling and heat treatment processes, the Al based composites foil that pottery strengthens strengthens body and pure Al powder hot pressed sintering and rolling processing by pottery; Ceramic layer and TiAl layer are alternately overlapping in the little laminated composite materials sheet material of pottery-TiAl, and the lamination spacing is 20～200 μ m.
2. the little laminated composite materials sheet material of pottery-TiAl according to claim 1 is characterized in that pure Ti paper tinsel thickness in monolayer is 100～500 μ m, and pure Ti paper tinsel is 1: 0.88～0.98 with the thickness in monolayer ratio of the Al based composites foil that pottery strengthens.
3. the little laminated composite materials sheet material of pottery-TiAl according to claim 1 and 2; The volume fraction that it is characterized in that pure Al powder in the ceramic Al based composites foil that strengthens is 90%～99.9%, and the volume fraction of pottery enhancing body is 0.1%～10% in the Al based composites foil that pottery strengthens.
4. the little laminated composite materials sheet material of pottery-TiAl according to claim 3; The particle diameter that it is characterized in that pure Al powder is 10～100 μ m, and it is that whisker or the particle diameter that is of a size of 100nm * 1 μ m～5 μ m * 30 μ m is the particle of 100nm～6 μ m that pottery strengthens body.
5. the little laminated composite materials sheet material of pottery-TiAl according to claim 4 is characterized in that pottery strengthens body and is selected from TiB
2, TiC, Al
2O
3And Ti
5Si
3In one or more.
6. the little laminated composite materials preparation of plates of the said pottery-TiAl of claim 1 method is characterized in that the little laminated composite materials sheet material of pottery-TiAl prepares according to the following steps:
One, pottery is strengthened body and pure Al powder mixing back employing hot pressed sintering and the rolling Al based composites of preparing the pottery enhancing; The Al based composites of pottery enhancing is rolling under 20～500 ℃ of conditions in temperature then, obtains the Al based composites foil that pottery strengthens;
Two, the Al based composites foil with pure Ti paper tinsel and pottery enhancing is stacked alternately in aluminum alloy sleeve and air extracting seal, under 20～600 ℃ of conditions, is rolled again, obtains little laminated sheet material of Ti-pottery reinforced Al matrix composite;
Three, little laminated sheet material of Ti-pottery reinforced Al matrix composite is put into vacuum heat treatment furnace, reaction annealing 1～20h obtains Ti-pottery-TiAl under 640～850 ℃ of conditions
3Little laminated sheet material;
Four, with Ti-pottery-TiAl
3Little laminated sheet material is put into the vacuum heating-press sintering stove and is carried out densification, and the densification temperature is that 900～1300 ℃, densification temperature retention time are that 1～6h, densification pressure are 5～100MPa;
Little laminated sheet material that five, will pass through densification places 850～1400 ℃ of environment high-temperature heat treatment 5～40h; Homogenizing annealing 10～60min under 1300～1400 ℃ of conditions then, promptly obtaining the lamination spacing is the little laminated composite materials sheet material of pottery-TiAl of 20～200 μ m.
7. the little laminated composite materials preparation of plates of pottery-TiAl according to claim 6 method, the thickness in monolayer that it is characterized in that pure Ti paper tinsel in the step 2 is 100～500 μ m; The Al based composites foil that pottery strengthens is 0.88～0.98: 1 with the thickness in monolayer ratio of pure Ti paper tinsel.
8. according to claim 6 or the little laminated composite materials preparation of plates of 7 described pottery-TiAl method; It is characterized in that it is 4.3～8.9mm that Al based composites foil that pure Ti paper tinsel in the step 2 and pottery strengthen is stacked alternately the back gross thickness, rolling reduction is 40%～80%.
9. the little laminated composite materials preparation of plates of pottery-TiAl according to claim 8 method; The volume fraction that it is characterized in that in the step 1 pure Al powder in the Al composite foil that pottery strengthens is 90%～99.9%, and to strengthen the volume fraction of body be 0.1%～10% to pottery in the Al composite foil that pottery strengthens.
10. the little laminated composite materials preparation of plates of pottery-TiAl according to claim 9 method is characterized in that pottery enhancing body is selected from TiB in the step 1
2, TiC, Al
2O
3And Ti
5Si
3In one or more.
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| CN102729575A (en) * | 2012-07-25 | 2012-10-17 | 哈尔滨工业大学 | Preparation method of TiAl-based laminar composite material plate |
| CN102744408A (en) * | 2012-07-25 | 2012-10-24 | 哈尔滨工业大学 | Preparation method of titanium aluminum-based laminated composite material plate |
| CN102776413A (en) * | 2012-07-27 | 2012-11-14 | 中国航空工业集团公司北京航空材料研究院 | Method for preparing novel titanium base high temperature alloys |
| CN103264542A (en) * | 2013-05-14 | 2013-08-28 | 哈尔滨工业大学 | Titanium aluminum-ceramic layered material and preparation method thereof |
| CN106180729A (en) * | 2016-07-05 | 2016-12-07 | 中北大学 | A kind of method preparing Metal Packaging intermetallic compound base lamination composite armour |
| CN106424741A (en) * | 2016-09-13 | 2017-02-22 | 哈尔滨工程大学 | Preparation method of SiC particle enhanced intermetallic compound based laminated composite material Ti/Al3Ti |
| CN107282634A (en) * | 2017-06-14 | 2017-10-24 | 中南大学 | A kind of method that utilization scale effect prepares foam stratiform foil |
| CN110216291A (en) * | 2019-06-24 | 2019-09-10 | 中北大学 | Titanium packaging ceramic/Al3Ti-Al-TC4Bionical laminated composite materials and preparation method thereof |
| CN112517637A (en) * | 2020-12-18 | 2021-03-19 | 西安建筑科技大学 | Reinforced and toughened metal-based layered composite material and preparation method thereof |
| CN113172228A (en) * | 2021-04-26 | 2021-07-27 | 中北大学 | TC (tungsten carbide)4-Al3Ti laminated composite board and preparation method thereof |
| CN113334867A (en) * | 2021-05-18 | 2021-09-03 | 中国石油大学(北京) | Metal foam composite material and preparation method thereof |
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| CN102744408A (en) * | 2012-07-25 | 2012-10-24 | 哈尔滨工业大学 | Preparation method of titanium aluminum-based laminated composite material plate |
| CN102729575B (en) * | 2012-07-25 | 2014-08-13 | 哈尔滨工业大学 | Preparation method of TiAl-based laminar composite material plate |
| CN102729575A (en) * | 2012-07-25 | 2012-10-17 | 哈尔滨工业大学 | Preparation method of TiAl-based laminar composite material plate |
| CN102776413A (en) * | 2012-07-27 | 2012-11-14 | 中国航空工业集团公司北京航空材料研究院 | Method for preparing novel titanium base high temperature alloys |
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| CN103264542A (en) * | 2013-05-14 | 2013-08-28 | 哈尔滨工业大学 | Titanium aluminum-ceramic layered material and preparation method thereof |
| CN106180729A (en) * | 2016-07-05 | 2016-12-07 | 中北大学 | A kind of method preparing Metal Packaging intermetallic compound base lamination composite armour |
| CN106180729B (en) * | 2016-07-05 | 2018-02-27 | 中北大学 | A kind of method for preparing Metal Packaging intermetallic compound base lamination composite armour |
| CN106424741B (en) * | 2016-09-13 | 2018-08-17 | 哈尔滨工程大学 | SiC particulate enhances intermetallic compound base laminar composite Ti/Al3The preparation method of Ti |
| CN106424741A (en) * | 2016-09-13 | 2017-02-22 | 哈尔滨工程大学 | Preparation method of SiC particle enhanced intermetallic compound based laminated composite material Ti/Al3Ti |
| CN107282634A (en) * | 2017-06-14 | 2017-10-24 | 中南大学 | A kind of method that utilization scale effect prepares foam stratiform foil |
| CN110216291A (en) * | 2019-06-24 | 2019-09-10 | 中北大学 | Titanium packaging ceramic/Al3Ti-Al-TC4Bionical laminated composite materials and preparation method thereof |
| CN112517637A (en) * | 2020-12-18 | 2021-03-19 | 西安建筑科技大学 | Reinforced and toughened metal-based layered composite material and preparation method thereof |
| CN113172228A (en) * | 2021-04-26 | 2021-07-27 | 中北大学 | TC (tungsten carbide)4-Al3Ti laminated composite board and preparation method thereof |
| CN113172228B (en) * | 2021-04-26 | 2022-05-13 | 中北大学 | TC (tungsten carbide)4-Al3Ti laminated composite board and preparation method thereof |
| CN113334867A (en) * | 2021-05-18 | 2021-09-03 | 中国石油大学(北京) | Metal foam composite material and preparation method thereof |
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Application publication date: 20120620 |