CN103334045B - A kind of laser combustion synthesis TiN strengthens titanium matrix composite and method thereof - Google Patents
A kind of laser combustion synthesis TiN strengthens titanium matrix composite and method thereof Download PDFInfo
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- CN103334045B CN103334045B CN201310225195.5A CN201310225195A CN103334045B CN 103334045 B CN103334045 B CN 103334045B CN 201310225195 A CN201310225195 A CN 201310225195A CN 103334045 B CN103334045 B CN 103334045B
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Abstract
The present invention relates to a kind of laser combustion synthesis TiN and strengthen titanium matrix composite and method thereof, belong to material preparation and processing technique field. Does the TiN for preparing strengthen the composition of titanium matrix composite and molar percentage is: TiN? 5��50%, TiR? 5��50%, alloying element 0��20%, wherein R is any one in Al, Si and B, and alloying element is the arbitrary proportion mixture of one or more in Nb, Ta, Zr, Hf, V, Ni and Mo. Ti, R and alloying element are prepared burden by the composition strengthening titanium matrix composite according to TiN, then by preset or synchronous powder feeding system mode, the compound of preparation are carried out laser combustion building-up reactions, and final obtained TiN strengthens titanium matrix composite. In matrix material, TiN enhancer has high rigidity and good wear resistance, Ti<i>m</i>R<i>n</i>matrix has again excellent high-temperature oxidation resistance mutually. Meanwhile, a large amount of heat that laser combustion building-up reactions is released make laser molten pool thermo parameters method more even, and the corresponding microstructure of composite obtained is also fine and close and even.
Description
Technical field
The present invention relates to a kind of laser combustion synthesis TiN and strengthen titanium matrix composite and method thereof, belong to material preparation and processing technique field.
Background technology
Titanium matrix composite is because having higher room temperature specific tenacity and compare Young's modulus, the corrosion resisting property of excellent anti-fatigue performance and high temperature creep-resisting performance and excellence, has good future in engineering applications on the components such as the turbine engine blade of aerospace, undercarriage, electrical instrumentation and automotive industry. The common method preparing titanium matrix composite mainly contains additional ceramic enhancement phase method and in-situ preparation ceramic phase method, compared with additional ceramic enhancement phase method, ceramic enhancement phase in in-situ preparation ceramic phase method is generated by thermopositive reaction " original position " in metal melt in preparation process, do not expose in atmosphere, avoid the problem such as surface contamination and oxidation, improve its combination with matrix phase, thus improve the over-all properties of titanium matrix composite.
Through the retrieval to prior art literature, domestic and international experts and scholars have carried out some in conbustion synthesis titanium matrix composite and have benefited our pursuits. The people such as SASTRYSHANKARM have applied for being entitled as the patent (patent No. US55759783A) of " Advancedtitaniumcomposite " in nineteen eighty-three, this titanium matrix composite matrix is titanium or titanium alloy mutually, and wild phase is defined as a kind of or compound that is several and Ti formation in B, C, N and Si. Shanghai Communications University Lv Wei is clean waits people to disclose burning synthesis method (publication number CN1609048A) and the conbustion synthesis Re of polyelement reinforced titanium base composite material in 2005 and priority in 20062O3With the patent of the method (publication number CN1737178A) of TiB hybrid buildup titanium matrix composite.What the conbustion synthesis of this several titanium matrix composite adopted is all fusion casting, and must carry out at least twice melting and just can reach required structure and properties. In addition, fusion casting is only applicable to the preparation of block composite material, can not be used for the preparation of material surface modifying coating. In addition the matrix material wild phase size that prepared by fusion casting is relatively thick, homogeneity relative deficiency.
Summary of the invention
For overcoming deficiency and the defect that prior art exists, the present invention provides a kind of laser combustion synthesis TiN to strengthen titanium matrix composite and method thereof, and in obtained matrix material, TiN enhancer has high rigidity and good wear resistance, Ti m R n Matrix has again excellent high-temperature oxidation resistance mutually.
For achieving the above object, the technical scheme of the present invention is: the TiN for preparing strengthens the composition of titanium matrix composite and molar percentage is: TiN5��50%, TiR5��50%, alloying element 0��20%, wherein R is any one in Al, Si and B, and alloying element is the arbitrary proportion mixture of one or more in Nb, Ta, Zr, Hf, V, Ni and Mo. Preparation method comprises following: Ti, R and alloying element are prepared burden by the composition strengthening titanium matrix composite according to TiN, then by preset or synchronous powder feeding system mode, the compound of preparation being carried out laser combustion building-up reactions, final obtained TiN strengthens titanium matrix composite.
The compound of described preparation carries out laser combustion building-up reactions by preset or synchronous powder feeding system mode needs the thickness of distribution to be 1��2mm.
Described laser combustion building-up reactions adopts CO2Continuous laser, Nd:YAG pulse laser or semiconductor laser melting and coating process, laser energy density is 12��20KN s cm-2��
Described laser combustion building-up reactions needs lead to into shielding gas or carry out under vacuum, and shielding gas is one or more the arbitrary proportion mixtures in nitrogen, argon gas or helium.
The present invention, taking the high-temp combustion chemical reaction between the nitride of Ti and B, Al and Si as foundation, utilizes the mutual heat effect of high energy laser beam and material, original powdered material generation combustion chemistry is reacted, thus prepares TiN/Ti m R n Matrix material. Combustion chemistry reaction formula is.
The invention has the beneficial effects as follows: the TiN enhancing titanium matrix composite of the present invention and its preparation method can apply to surface modification, the welding of material, compared with existing titanium matrix composite, TiN enhancer in matrix material of the present invention generates in in-situ chemical reaction process, therefore it and Ti m R n Matrix phase interface combines good, and in matrix material, TiN enhancer has high rigidity and good wear resistance, Ti m R n Matrix has again excellent high-temperature oxidation resistance mutually. Meanwhile, a large amount of heat that laser combustion building-up reactions is released make laser molten pool thermo parameters method more even, and the corresponding microstructure of composite obtained is also fine and close and even.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the surface modification that TiN enhancing titanium matrix composite is applied to titanium material in embodiment 5;
Fig. 2 is that in embodiment 6, TiN strengthens the schematic diagram that titanium matrix composite is applied to welding.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Enforcement mode one: TiN prepared by the present invention strengthens the composition of titanium matrix composite and molar percentage is: TiN35%, TiR50%, alloying element 15%, wherein R is Al, and alloying element is Nb, Ta, Zr, Hf, V, Ni and Mo arbitrary proportion mixture. Concrete preparation method and step be: Ti, Al and alloying element are prepared burden by the composition strengthening titanium matrix composite according to TiN, and (compound of preparation carries out laser combustion building-up reactions by preset mode needs the thickness of distribution to be 1mm then by preset mode, the compound of preparation to be carried out laser combustion building-up reactions;Laser combustion building-up reactions adopts CO2Continuous laser melting and coating process, laser energy density is 18KN s cm-2; Laser combustion building-up reactions needs to lead to carry out into shielding gas, and shielding gas is nitrogen), final obtained TiN strengthens titanium matrix composite.
Enforcement mode two: TiN prepared by the present invention strengthens the composition of titanium matrix composite and molar percentage is: TiN50%, TiR45%, alloying element 5%, and wherein R is Si, alloying element be Nb. Concrete preparation method and step be: Ti, Si and alloying element are prepared burden by the composition strengthening titanium matrix composite according to TiN, and (compound of preparation carries out laser combustion building-up reactions by synchronous powder feeding system mode needs the thickness of distribution to be 2mm then by synchronous powder feeding system mode, the compound of preparation to be carried out laser combustion building-up reactions; Laser combustion building-up reactions adopts Nd:YAG pulsed laser cladding technique, and laser energy density is 20KN s cm-2; Laser combustion building-up reactions carries out under needing to lead to shielding gas, and shielding gas is argon gas), final obtained TiN strengthens titanium matrix composite.
Enforcement mode three: TiN prepared by the present invention strengthens the composition of titanium matrix composite and molar percentage is: TiN5%, TiR48%, alloying element 20%, all the other are impurity, wherein R is B, and alloying element is the arbitrary proportion mixture in Ta, Zr, Hf, V, Ni and Mo. Concrete preparation method and step be: Ti, B and alloying element are prepared burden by the composition strengthening titanium matrix composite according to TiN, and (compound of preparation carries out laser combustion building-up reactions by preset mode needs the thickness of distribution to be 1.8mm then by preset mode, the compound of preparation to be carried out laser combustion building-up reactions; Laser combustion building-up reactions adopts semiconductor laser melting and coating process, and laser energy density is 12KN s cm-2; Laser combustion building-up reactions needs to lead to carry out into shielding gas, and shielding gas is several arbitrary proportion mixtures in nitrogen, argon gas and helium), final obtained TiN strengthens titanium matrix composite.
Enforcement mode four: TiN prepared by the present invention strengthens the composition of titanium matrix composite and molar percentage is: TiN49%, TiR5%, all the other be impurity, wherein R is B, and alloying element is the arbitrary proportion mixture in Zr, Hf, V, Ni and Mo. Concrete preparation method and step be: Ti and B is prepared burden by the composition strengthening titanium matrix composite according to TiN, and (compound of preparation carries out laser combustion building-up reactions by synchronous powder feeding system mode needs the thickness of distribution to be 2mm then by synchronous powder feeding system mode, the compound of preparation to be carried out laser combustion building-up reactions; Laser combustion building-up reactions adopts Nd:YAG pulsed laser cladding technique, and laser energy density is 16KN s cm-2; Laser combustion building-up reactions needs to carry out under vacuum), final obtained TiN strengthens titanium matrix composite.
Enforcement mode five: TiN prepared by the present invention strengthens the composition of titanium matrix composite and molar percentage is: TiN49%, TiR5%, all the other be impurity, wherein R is B. Concrete preparation method and step be: Ti and B is prepared burden by the composition strengthening titanium matrix composite according to TiN, and (compound of preparation carries out laser combustion building-up reactions by synchronous powder feeding system mode needs the thickness of distribution to be 2mm then by synchronous powder feeding system mode, the compound of preparation to be carried out laser combustion building-up reactions; Laser combustion building-up reactions adopts Nd:YAG pulsed laser cladding technique, and laser energy density is 16KN s cm-2;Laser combustion building-up reactions needs to carry out under vacuum), final obtained TiN strengthens titanium matrix composite.
Enforcement mode five: as shown in Figure 1, the TiN of the present embodiment strengthens the surface modifying method that titanium matrix composite is applied to titanium material: pure titanium material surface to be modified carries out surface preparation and (polishes, remove contamination, oil removing, remove oxide film, pickling and dehydrogenation process, wherein pickling and be clean 15min in the hydrofluoric acid of concentration to be 70wt% nitric acid and concentration be 60wt% is according to the mixing solutions of volume ratio 10:1 except hydrogen), then apply synthetic materials in advance at pure titanium material surface, adopt laser melting coating that titanium material surface is carried out laser combustion building-up reactions; (; It is 2mm that pure titanium material surface applies the thickness of conbustion synthesis material in advance; Laser combustion synthesis is the CO adopted2The combustion synthesis reaction that continuous laser technique carries out, laser energy density is 12KN s cm-2; Laser combustion building-up reactions needs to lead to into shielding gas, and shielding gas is nitrogen), finally obtain surface for the pure titanium material through surface modification. The titanium matrix composite for TiN enhancing of the pure titanium material surface cladding of surface modification, wherein Ti, RN and alloy element component and molar percentage are 10%:10%:15%, wherein RN is AlN, and alloying element is the arbitrary proportion mixture of Nb, Ta, Zr, Hf, V, Sn, Ni and Mo.
Enforcement mode six: as shown in Figure 2, the TiN enhancing titanium matrix composite of the present embodiment is applied to the method for welding: by titanium matrix composite to be welded (for wild phase content is the matrix material of 5wt%, wild phase is TiN) weld carry out surface preparation and (comprise polishing, remove contamination, oil removing, remove oxide film, pickling and dehydrogenation process, wherein pickling and be clean 18min in the hydrofluoric acid of concentration to be 70wt% nitric acid and concentration be 60wt% is according to the mixing solutions of volume ratio 10:1 except hydrogen), again weld is docked, when joint applies the welding of conbustion synthesis material in advance, joint applies the thickness of conbustion synthesis material in advance is 1mm), then the laser melting coating combustion synthesis reaction (CO of employing is adopted2The combustion synthesis reaction that continuous laser carries out, laser energy density is 12KN s cm-2; Leading to into shielding gas in reaction process, shielding gas is nitrogen) weld is welded, finally obtain the titanium matrix composite welded. During welding, the TiN that is of commissure cladding strengthens titanium matrix composite, and wherein Ti, RN and alloying element are according to mol ratio 5%:10%:12%, and wherein RN is AlN, and alloying element is Nb, Ta, Zr, Hf, V, Sn, Ni and Mo.
Below by reference to the accompanying drawings the specific embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned enforcement mode, in the ken that those of ordinary skill in the art possess, it is also possible to make various change under the prerequisite not departing from objective of the present invention.
Claims (1)
1. a laser combustion synthesis TiN strengthens titanium matrix composite, it is characterized in that concrete composition and molar percentage are: TiN5��50%, TiR5��50%, alloying element 5��20%, wherein R is any one in Al, Si and B, and alloying element is the arbitrary proportion mixture of one or more in Nb, Ta, Zr, Hf, V, Ni and Mo;
Described laser combustion synthesis TiN strengthens the preparation method of titanium matrix composite: Ti, R and alloying element are prepared burden by the composition strengthening titanium matrix composite according to TiN, then by preset or synchronous powder feeding system mode, the compound of preparation being carried out laser combustion building-up reactions, final obtained TiN strengthens titanium matrix composite;
The compound of described preparation carries out laser combustion building-up reactions by preset or synchronous powder feeding system mode needs the thickness of distribution to be 1��2mm;
Described laser combustion building-up reactions adopts CO2Continuous laser, Nd:YAG pulse laser or semiconductor laser melting and coating process, laser energy density is 12��20KN s cm-2;
Described laser combustion building-up reactions needs lead to into shielding gas or carry out under vacuum, and shielding gas is one or more the arbitrary proportion mixtures in nitrogen, argon gas or helium.
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| CN111906309A (en) * | 2020-08-19 | 2020-11-10 | 昆明理工大学 | Method for manufacturing homogeneous composite material by laser near-net-shape additive manufacturing |
| CN112962095A (en) * | 2020-10-09 | 2021-06-15 | 山东大学 | Method for preparing ceramic-reinforced laser-cladding refractory high-entropy alloy coating on surface of titanium alloy and application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4639281A (en) * | 1982-02-19 | 1987-01-27 | Mcdonnell Douglas Corporation | Advanced titanium composite |
| CN1609048A (en) * | 2004-11-11 | 2005-04-27 | 上海交通大学 | In-situ synthesis process of polyelement reinforced titanium base composite material |
| CN102102156A (en) * | 2011-03-29 | 2011-06-22 | 中南大学 | Multiphase particle enhanced powder metallurgical titanium-based composite material and preparation method thereof |
-
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4639281A (en) * | 1982-02-19 | 1987-01-27 | Mcdonnell Douglas Corporation | Advanced titanium composite |
| CN1609048A (en) * | 2004-11-11 | 2005-04-27 | 上海交通大学 | In-situ synthesis process of polyelement reinforced titanium base composite material |
| CN102102156A (en) * | 2011-03-29 | 2011-06-22 | 中南大学 | Multiphase particle enhanced powder metallurgical titanium-based composite material and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 激光原位合成TiN/Ti3A1基复合涂层;张晓伟等;《金属学报》;20110831;第47卷(第8期);第1086-1093页 * |
| 选区激光熔化制备原位TiN-Ti5Si3复合材料的显微组织;顾冬冬等;《金属学报》;20100630;第46卷(第6期);第761-768页 * |
| 钛合金表面激光熔覆材料研究进展;蔡利芳等;《钛工业进展》;20060228;第23卷(第1期);第1-5页 * |
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