CN1672918A - Composite plate of intermetallic TiAl compound and Ti alloy and its production process - Google Patents
Composite plate of intermetallic TiAl compound and Ti alloy and its production process Download PDFInfo
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- CN1672918A CN1672918A CN 200510009906 CN200510009906A CN1672918A CN 1672918 A CN1672918 A CN 1672918A CN 200510009906 CN200510009906 CN 200510009906 CN 200510009906 A CN200510009906 A CN 200510009906A CN 1672918 A CN1672918 A CN 1672918A
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Abstract
The present invention is composite plate of intermetallic TiAl compound and Ti alloy and its production process. The composite plate includes at least one layer of plate of intermetallic TiAl compound and at least one layer of plate of pure Ti or Ti alloy. The production process includes polishing plate or block of intermetallic TiAl compound and plate or block of pure Ti or Ti alloy; and subsequent canning rolling to produce the composite plate at the technological parameters of temperature 600-1400 deg.c, deformation 2-40 % each gate and total deformation of 5-95 %. The composite plate has the advantages of light weight, heat resistance, high strength and high plasticity.
Description
Technical field:
The present invention relates to a kind of TiAl intermetallic compound and titanium alloy composite board and preparation technology thereof.
Background technology:
Along with the develop rapidly of Aeronautics and Astronautics technology, the flying distance of various course of new aircraft and the raising of flying speed have proposed more and more higher requirement to lightweight, high-strength, heat proof material and Precision Forming Technology thereof.(or TiAl alloy, TiAl base alloy) has many outstanding features because γ-TiAl intermetallic compound, for example: density is low, have high specific strength and compare elastic modelling quantity, when high temperature, still can keep sufficiently high strength and stiffness, it also has good creep resistant and oxidation resistance or the like simultaneously, and this makes it become the material that space flight, aviation and engine for automobile heat resistant structure spare have competitiveness.
In recent years, TiAl intermetallic compound plate material rolling technique has caused researcher's attention.TiAl intermetallic compound plate material rolling significant to developing novel supersonic vehicle.But because the TiAl intermetallic compound is more crisp, the method of TiAl intermetallic compound is difficult to obtain not having the sheet material of defective, and the sheet material that obtains also is difficult to carry out further secondary hot-working (such as heat ductile forming, superplasticforming etc.) to adopt directly rolling (such as ausrolling, jacket hot rolling etc.).
Summary of the invention:
The present invention is directed to the shortcoming of the more crisp and hot-workability difference of TiAl intermetallic compound, propose a kind of TiAl intermetallic compound-titanium alloy composite board and preparation method thereof.TiAl intermetallic compound of the present invention-titanium alloy composite board comprise at least one deck material be the sheet material 1 of TiAl intermetallic compound and at least one deck material be the sheet material 2 of pure titanium or titanium alloy, it is processed according to following method: be that the sheet material of TiAl intermetallic compound or bulk and material are that the sheet material or the bulk of pure titanium or titanium alloy polishes respectively or polishing to material before rolling, adopt then pack rolling method preparation comprise at least one deck material be the sheet material of TiAl intermetallic compound and at least one deck material be the TiAl intermetallic compound-titanium alloy composite board of the sheet material of pure titanium or titanium alloy, rolling main technologic parameters is: 600～1400 ℃ of temperature, pass deformation 2～40%, rolling total deformation 5～95%.The thickness of the TiAl intermetallic compounds layer of the thickness of the composite board that rolls out, composite board and the thickness of titanium alloy layer can be regulated arbitrarily by changing technological parameter (comprising mother metal size, thickness, rolling technological parameter etc.).TiAl intermetallic compound and titanium alloy can be to be stacked together to carry out the jacket hot rolling (sheath material can be various titanium alloys, stainless steel, also can be other materials; Hot-rolled temperature is between 600～1400 ℃), roll out TiAl intermetallic compound-titanium alloy composite board; Also can directly be wrapped in the outer surface of TiAl intermetallic compound by adopting titanium alloy, be rolled into composite board together, can remove certain thickness sheath material by the method for machining after rolling, obtain the outer surface that certain thickness sheath material is compounded in the TiAl intermetallic compound, form composite board, the thickness of cover is 0.5～20mm.
The present invention (comprises the TiAl intermetallic compound to add one or more column element: Nb, Cr, Mn, V, Ni, W, Hf, Ta, Mo, Zr, Si, Y, La, Ce, C, B, O, N, TiC, TiB, TiB down
2Deng the TiAl of element and compound base alloy) bulk and pure titanium or titanium alloy (comprising various titanium alloy materials) bulk be stacked together and carry out pack rolling (sheath material can be various titanium alloys, stainless steel, also can be other materials), roll out TiAl intermetallic compound-titanium alloy composite board, firm for guaranteeing combine between TiAl intermetallic compound and the titanium alloy plate, two kinds of bulks will polish or polish before rolling, wanted compound surface that certain fineness is arranged to guarantee bulk.Two kinds of materials that are stacked together can be that two-layer (two-layer such as TiAl intermetallic compound-titanium alloy) stacks, also can be multilayer (such as TiAl intermetallic compound-titanium alloy-TiAl intermetallic compound, titanium alloy-TiAl intermetallic compound-titanium alloy ...-TiAl intermetallic compound-titanium alloy-TiAl intermetallic compound-titanium alloy-... ...-titanium alloy-a kind of TiAl intermetallic compound-another kind of TiAl intermetallic compound-titanium alloy-... or the like form) stack.
The present invention is by preparing the method for TiAl intermetallic compound-titanium alloy composite board, reach the purpose of improving TiAl intermetallic compound plate material mechanical property (comprising room temperature and high temperature) and hot-working character, and obtained flawless TiAl intermetallic compound-titanium alloy composite board by concrete technology of preparing and method.The hot-working character of composite board of the present invention and mechanical property (room temperature, high temperature) are compared with the TiAl intermetallic compound, be greatly improved, compare with general T iAl intermetallic compound plate material, the hot-working character of composite board is improved significantly, and room temperature and mechanical behavior under high temperature also are greatly improved.The composite board that the present invention obtains combines the lightweight of TiAl intermetallic compound, heat-resisting and titanium alloy is high-strength, plasticity is good advantage.According to the difference of raw material and method, the room temperature tensile strength of composite board can reach 550～950MPa, and temperature-room type plasticity can reach 2.5～5%, 700 ℃ of tensile strength can reach 500～750MPa, and 700 ℃ of plasticity can surpass 8%.
Description of drawings:
Fig. 1 is the structural representation of TiAl intermetallic compound of the present invention-titanium alloy composite board, Fig. 2 is that coated outside Ti-6Al-4V alloy 2, inside are the structural representation of the composite board of Ti-43Al-9V-0.3Y alloy 1, and Fig. 3 is the structural representation of the composite board of Ti-46.2Al-2Cr-3Nb-0.2W alloy 1-Ti-6Al-4V alloy 2-Ti-46.2Al-2Cr-3Nb-0.2W alloy 1.
The specific embodiment:
The specific embodiment one: as Fig. 1, the TiAl of present embodiment intermetallic compound-titanium alloy composite board is that the sheet material 1 of TiAl intermetallic compound and sheet material 2 that one deck material is pure titanium or titanium alloy are formed by one deck material.Composition difference according to the TiAl intermetallic compound, Ti content can change in 35at%～65at% scope, Al content can change in 35at%～60at% scope, and described TiAl intermetallic compound is for adding Nb, Cr, Mn, V, Ni, W, Hf, Ta, Mo, Zr, Si, Y, La, Ce, C, B, O, N, TiC, TiB or TiB
2In TiAl base alloy, wherein Nb, Cr, Mn, V, Ni, W, Hf, Ta, Mo, Zr, Si, Y, La, Ce, C, B, O, N, TiC, TiB or the TiB of one or more elements
2In the addition of one or more elements less than 20at.%.
The specific embodiment two: present embodiment is processed according to following method: firm for guaranteeing combine between TiAl intermetallic compound and the titanium alloy plate, be that the sheet material of TiAl intermetallic compound or bulk and material are that the sheet material or the bulk of pure titanium or titanium alloy polishes respectively or polishing to material before rolling, want compound surface that certain fineness be arranged to guarantee bulk; Adopt then pack rolling method preparation comprise at least one deck material be the sheet material of TiAl intermetallic compound and at least one deck material be the TiAl intermetallic compound-titanium alloy composite board of the sheet material of pure titanium or titanium alloy, rolling main technologic parameters is: 600～1400 ℃ of temperature, pass deformation 2～40%, rolling total deformation 5～95%.The TiAl inter-metallic compound materials block or other shapes that various preparation methods prepare in the present embodiment can be used for preparing TiAl intermetallic compound-titanium alloy composite board.
The specific embodiment three: present embodiment is prepared as example (jacket is directly pricked) with Ti-43Al-9V-0.3Y alloy (a kind of TiAl intermetallic compound)-Ti-6Al-4V alloy (a kind of titanium alloy) composite board.
(1) the block Ti-43Al-9V-0.3Y alloy that will be of a size of long 150mm, wide 100mm, thick 10mm wraps in the cover of Ti-6Al-4V alloy, jacket divides two up and down, jacket four limits are flat with the TC-4 wire welding, form cube shaped, the thickness of cover is 5mm, the inner surface of wherein block Ti-43Al-9V-0.3Y alloy surface and jacket will polish (sand paper is ground to 1000 orders), so that two kinds of rolling backs of material are in conjunction with firm;
(2) integral body behind the jacket is heated to 1100 ℃ in heat-treatment furnace, and is incubated 1 hour;
(3) integral body is carried out hot rolling on milling train then, and formation coated outside Ti-6Al-4V alloy 2, inside are the composite board (as Fig. 2) of Ti-43Al-9V-0.3Y alloy 1.
Present embodiment can be controlled the thickness of inner Ti-43Al-9V-0.3Y alloy by control total deformation (band cover), is 70% o'clock such as deflection, can make the thickness of Ti-43Al-9V-0.3Y alloy reach 2.5mm.Can control the surplus of outer Ti-6Al-4V alloy after rolling the finishing by the method for machining, if all processing, removes the Ti-6Al-4V alloy of sheet material one side, opposite side stays the thick Ti-6Al-4V alloy of 0.5mm, then can form the composite board (total thickness is 3mm) of Ti-43Al-9V-0.3Y alloy (2.5mm is thick) 1-Ti-6Al-4V alloy (0.5mm is thick) 2, as Fig. 1.The room temperature tensile strength of this composite board can reach 820～880MPa, temperature-room type plasticity can reach 3.5～4%, 700 ℃ of tensile strength can reach 690～720MPa, 700 ℃ of plasticity can reach 15～20%, greatly improve the mechanical property of TiAl intermetallic compound, and can satisfy further hot worked needs.
The specific embodiment four: present embodiment is prepared as example (lamination rolls 2 layers) with Ti-47Al-2Cr-2Nb alloy (a kind of TiAl intermetallic compound)-pure Ti composite board.
(1) Ti-47Al-2Cr-2Nb alloy (long 200mm, wide 150mm, thick 12mm) material and pure Ti (long 200mm, wide 150mm, the thick 5mm) material of both side surface through polishing (sand paper is ground to 1000 orders) is stacked together, and wrap in the cover of Ti-6Al-4V alloy, jacket divides two up and down, jacket four limits are flat with the TC-4 wire welding, form cube shaped, the thickness of cover is 5mm, overlap and the material that is stacked together between to add one deck ceramic powders (such as Al
2O
3), with the convenient jacket of removing;
(2) integral body behind the jacket is heated to 1050 ℃ in heat-treatment furnace, and is incubated 1 hour;
(3) integral body is carried out hot rolling on milling train then, and the jacket of outside is removed in rolling back, obtains the composite board (as Fig. 1) of the pure Ti2 of Ti-47Al-2Cr-2Nb alloy 1-.
Present embodiment can be controlled the thickness of inner Ti-47Al-2Cr-2Nb alloy-pure Ti composite board by control total deformation (band cover), such as deflection is 80% o'clock, can make the thickness of Ti-47Al-2Cr-2Nb alloy-pure Ti composite board reach 2.8mm, wherein pure titanium layer thickness is 0.3mm.The room temperature tensile strength of this composite board can reach 560～710MPa, temperature-room type plasticity can reach 2.5～3.3%, 700 ℃ of tensile strength can reach 510～550MPa, 700 ℃ of plasticity can reach 8～12%, greatly improve the mechanical property of TiAl intermetallic compound, and can satisfy further hot worked needs.
The specific embodiment five: present embodiment is prepared as example (3 layers) with Ti-46.2Al-2Cr-3Nb-0.2W alloy (a kind of TiAl intermetallic compound)-Ti-6Al-4V alloy (a kind of titanium alloy) composite board.
(1) with Ti-46.2Al-2Cr-3Nb-0.2W alloy (the long 200mm of two both side surface through polishing (sand paper is ground to 1000 orders), wide 150mm, thick 12mm) material and a Ti-6Al-4V alloy (long 200mm, wide 150mm, thick 5mm) material is stacked together, form the sandwich shape of Ti-46.2Al-2Cr-3Nb-0.2W alloy 1-Ti-6Al-4V alloy 2-Ti-46.2Al-2Cr-3Nb-0.2W alloy 1, the material that is stacked together wraps in the cover of Ti-6Al-4V alloy, jacket divides two up and down, jacket four limits are flat with the TC-4 wire welding, form cube shaped, the thickness of cover is 5mm, overlap and the material that is stacked together between to add one deck ceramic powders (such as Al
2O
3), with the convenient jacket of removing;
(2) integral body behind the jacket is heated to 1200 ℃ in heat-treatment furnace, and is incubated 1 hour;
(3) integral body is carried out hot rolling on milling train then, and the jacket of outside is removed in rolling back, obtains the composite board (as Fig. 3) of Ti-46.2Al-2Cr-3Nb-0.2W alloy 1-Ti-6Al-4V alloy 2-Ti-46.2Al-2Cr-3Nb-0.2W alloy 1.
Present embodiment can be controlled the thickness of inner Ti-46.2Al-2Cr-3Nb-0.2W alloy-Ti-6Al-4V alloy-Ti-46.2Al-2Cr-3Nb-0.2W alloy composite plate material by control total deformation (band cover).The room temperature tensile strength of this composite board can reach 680～850MPa, temperature-room type plasticity can reach 2.8～3.8%, 700 ℃ of tensile strength can reach 570～630MPa, 700 ℃ of plasticity can reach 12～16%, greatly improve the mechanical property of TiAl intermetallic compound, and can satisfy further hot worked needs.
Claims (10)
1, a kind of TiAl intermetallic compound-titanium alloy composite board, it is characterized in that it comprise at least one deck material be the sheet material (1) of TiAl intermetallic compound and at least one deck material be the sheet material (2) of pure titanium or titanium alloy.
2, a kind of TiAl intermetallic compound according to claim 1-titanium alloy composite board is characterized in that Ti content is 35～65at.% in the described TiAl intermetallic compound.
3, a kind of TiAl intermetallic compound according to claim 1-titanium alloy composite board is characterized in that Al content is 35～60at.% in the described TiAl intermetallic compound.
4,, it is characterized in that described TiAl intermetallic compound is for adding Nb, Cr, Mn, V, Ni, W, Hf, Ta, Mo, Zr, Si, Y, La, Ce, C, B, O, N, TiC, TiB or TiB according to claim 1,2 or 3 described a kind of TiAl intermetallic compound-titanium alloy composite boards
2In the TiAl base alloy of one or more elements.
5, a kind of TiAl intermetallic compound according to claim 4-titanium alloy composite board is characterized in that Nb, Cr, Mn, V, Ni, W, Hf, Ta, Mo, Zr, Si, Y, La, Ce, C, B, O, N, TiC, TiB or TiB
2In the addition of one or more elements less than 20at.%.
6, the preparation method of a kind of TiAl intermetallic compound-titanium alloy composite board, it is characterized in that it is processed according to following step: be that the sheet material of TiAl intermetallic compound or bulk and material are that the sheet material or the bulk cutting of pure titanium or titanium alloy do not polished or polishing to material before rolling, adopt then pack rolling method preparation comprise at least one deck material be the sheet material of TiAl intermetallic compound and at least one deck material be the TiAl intermetallic compound-titanium alloy composite board of the sheet material of pure titanium or titanium alloy, rolling main technologic parameters is: 600～1400 ℃ of temperature, pass deformation 2～40%, rolling total deformation 5～95%.
7, the preparation method of a kind of TiAl intermetallic compound according to claim 6-titanium alloy composite board, the thickness that it is characterized in that jacket is 0.5～20mm.
8, the preparation method of a kind of TiAl intermetallic compound according to claim 6-titanium alloy composite board is characterized in that Ti content is 35～65at.% in the described TiAl intermetallic compound, and Al content is 35～60at.% in the TiAl intermetallic compound.
9,, it is characterized in that described TiAl intermetallic compound is for adding Nb, Cr, Mn, V, Ni, W, Hf, Ta, Mo, Zr, Si, Y, La, Ce, C, B, O, N, TiC, TiB or TiB according to the preparation method of claim 6 or 8 described a kind of TiAl intermetallic compound-titanium alloy composite boards
2In the TiAl base alloy of one or more elements.
10, the preparation method of a kind of TiAl intermetallic compound according to claim 9-titanium alloy composite board is characterized in that described Nb, Cr, Mn, V, Ni, W, Hf, Ta, Mo, Zr, Si, Y, La, Ce, C, B, O, N, TiC, TiB or TiB
2In the addition of one or more elements less than 20at.%.
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| CN104019700A (en) * | 2014-05-26 | 2014-09-03 | 北京科技大学 | Laminated composite armor plate and manufacturing method thereof |
| CN104404345A (en) * | 2014-11-11 | 2015-03-11 | 哈尔滨工业大学 | Tau3-phase-containing gamma-TiAl intermetallic compound cast ingot and preparation method thereof |
| CN105081323A (en) * | 2015-09-16 | 2015-11-25 | 哈尔滨工业大学 | Method for preparing TiAl/Ti alloy laminated composite board through spark plasma sintering and pack hot rolling |
| CN105080999A (en) * | 2015-09-16 | 2015-11-25 | 哈尔滨工业大学 | Method for manufacturing TiAl/Ti alloy laminated composite plates in preheating pressing compositing and wrapping hot rolling manner |
| CN105108156A (en) * | 2015-09-16 | 2015-12-02 | 哈尔滨工业大学 | Method for preparing TiAl/Ti alloy laminated composite board through powder metallurgy |
| CN105112760A (en) * | 2015-09-28 | 2015-12-02 | 济南大学 | TiAl-based high-temperature self-lubricating alloy material and application thereof |
| CN105414219A (en) * | 2015-12-31 | 2016-03-23 | 中国航空工业集团公司北京航空制造工程研究所 | Preparation method of metallic/intermetallic compound laminar composite material |
| CN107236918A (en) * | 2017-06-27 | 2017-10-10 | 哈尔滨工业大学 | The preparation method of beta gamma TiAl alloy sheet materials containing tiny lath-shaped γ recrystallized structures |
| CN110202869A (en) * | 2019-07-15 | 2019-09-06 | 哈尔滨工业大学 | A kind of TiAlNb base layer-shaped composite material and preparation method thereof |
| CN110512116A (en) * | 2019-09-09 | 2019-11-29 | 中国航发北京航空材料研究院 | A kind of high Nb-TiAl intermetallic compound of multicomponent high-alloying |
| CN111961900A (en) * | 2020-09-07 | 2020-11-20 | 济南大学 | Novel titanium-aluminum-based composite material and preparation method thereof |
| CN112706494A (en) * | 2020-12-02 | 2021-04-27 | 中北大学 | Superplastic forming method for high-nitrogen steel/FeAl intermetallic compound micro-laminated composite material |
| CN112916644A (en) * | 2021-01-18 | 2021-06-08 | 中国航发北京航空材料研究院 | Method for preparing TiAl alloy plate by sheath pack rolling |
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| CN1073892C (en) * | 1998-05-22 | 2001-10-31 | 陈忠林 | Method of mfg. metal compounded plate |
| CN1584080A (en) * | 2004-06-16 | 2005-02-23 | 哈尔滨工业大学 | TiAl intermetallic compound materials containing yttebium and preparing method thereof |
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- 2005-04-19 CN CNB2005100099060A patent/CN100400281C/en not_active Expired - Fee Related
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| CN104019700A (en) * | 2014-05-26 | 2014-09-03 | 北京科技大学 | Laminated composite armor plate and manufacturing method thereof |
| CN104404345A (en) * | 2014-11-11 | 2015-03-11 | 哈尔滨工业大学 | Tau3-phase-containing gamma-TiAl intermetallic compound cast ingot and preparation method thereof |
| CN105081323A (en) * | 2015-09-16 | 2015-11-25 | 哈尔滨工业大学 | Method for preparing TiAl/Ti alloy laminated composite board through spark plasma sintering and pack hot rolling |
| CN105080999A (en) * | 2015-09-16 | 2015-11-25 | 哈尔滨工业大学 | Method for manufacturing TiAl/Ti alloy laminated composite plates in preheating pressing compositing and wrapping hot rolling manner |
| CN105108156A (en) * | 2015-09-16 | 2015-12-02 | 哈尔滨工业大学 | Method for preparing TiAl/Ti alloy laminated composite board through powder metallurgy |
| CN105112760A (en) * | 2015-09-28 | 2015-12-02 | 济南大学 | TiAl-based high-temperature self-lubricating alloy material and application thereof |
| CN105414219B (en) * | 2015-12-31 | 2018-06-01 | 中国航空工业集团公司北京航空制造工程研究所 | A kind of preparation method of metal/intermetallic compound laminar composite |
| CN105414219A (en) * | 2015-12-31 | 2016-03-23 | 中国航空工业集团公司北京航空制造工程研究所 | Preparation method of metallic/intermetallic compound laminar composite material |
| CN107236918A (en) * | 2017-06-27 | 2017-10-10 | 哈尔滨工业大学 | The preparation method of beta gamma TiAl alloy sheet materials containing tiny lath-shaped γ recrystallized structures |
| CN107236918B (en) * | 2017-06-27 | 2019-01-08 | 哈尔滨工业大学 | The preparation method of beta-gamma TiAl alloy plate containing tiny lath-shaped γ recrystallized structure |
| CN110202869A (en) * | 2019-07-15 | 2019-09-06 | 哈尔滨工业大学 | A kind of TiAlNb base layer-shaped composite material and preparation method thereof |
| CN110512116A (en) * | 2019-09-09 | 2019-11-29 | 中国航发北京航空材料研究院 | A kind of high Nb-TiAl intermetallic compound of multicomponent high-alloying |
| CN110512116B (en) * | 2019-09-09 | 2021-03-26 | 中国航发北京航空材料研究院 | Multicomponent high-alloying high Nb-TiAl intermetallic compound |
| CN111961900A (en) * | 2020-09-07 | 2020-11-20 | 济南大学 | Novel titanium-aluminum-based composite material and preparation method thereof |
| CN112706494A (en) * | 2020-12-02 | 2021-04-27 | 中北大学 | Superplastic forming method for high-nitrogen steel/FeAl intermetallic compound micro-laminated composite material |
| CN112916644A (en) * | 2021-01-18 | 2021-06-08 | 中国航发北京航空材料研究院 | Method for preparing TiAl alloy plate by sheath pack rolling |
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