WO2017114067A1 - 一种汽车发动机叶片 - Google Patents
一种汽车发动机叶片 Download PDFInfo
- Publication number
- WO2017114067A1 WO2017114067A1 PCT/CN2016/107866 CN2016107866W WO2017114067A1 WO 2017114067 A1 WO2017114067 A1 WO 2017114067A1 CN 2016107866 W CN2016107866 W CN 2016107866W WO 2017114067 A1 WO2017114067 A1 WO 2017114067A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- chemical composition
- coating
- atomic percentage
- engine blade
- automobile engine
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/282—Selecting composite materials, e.g. blades with reinforcing filaments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
- F05D2300/174—Titanium alloys, e.g. TiAl
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/611—Coating
Definitions
- the automotive field of the present invention relates in particular to an automotive engine blade.
- the gasoline engine can reach 1050 °C, the size of the turbocharger impeller and the turbine is not large, the diameter is generally less than 100mm, but the rotation speed is very high, up to 250,000r/min, and it can work continuously under high temperature in a harsh working environment, so the material and performance The requirements are very high, so it is necessary to develop a high-performance automotive engine blade material.
- the present invention discloses an automobile engine blade which can continuously work for a long time at a high temperature, thereby improving performance and service life.
- An automobile engine blade characterized in that the blade comprises a body and a coating, and the body comprises a chemical composition of atomic percentage: Al: 44.0 to 47.0 at%, V: 0.5 to 1.2 at%, Cr: 0.4 to 1.6at%, Nb: 2.0 to 7.0at%, B: 0.2 to 0.8at%, C: 1.0 to 1.3at%, N: 0.3 to 0.5%, and the balance being Ti, the coating is contained in atomic percentages of chemical composition B: 10.0 to 15.0 at%, C: 32.0 to 48.0 at%, V: 5.0 to 12.0 at%, Cr: 8.0 to 18.0 at%, Nb: 4.0 to 7.0 at%, and H: 5.0 to 15.0 at%.
- the chemical composition of the body in atomic percentage comprises: Al: 45.0 to 46.0 at%, V: 0.8 to 1.0 at%, Cr: 0.6 to 1.2 at%, Nb: 4 to 6 at%, and B: 0.4 to 0.6. At%, C: 1.0 to 1.2 at%, N: 0.4 to 0.5%, and the balance is Ti.
- the coating contains B: 12.0 to 14.0 at%, C: 36.0 to 44.0 at%, and V according to the chemical composition of atomic percentage. : 8.0 to 12.0 at%, Cr: 10.0 to 14.0 at%, Nb: 5.0 to 6.0 at%, and H: 6.0 to 13.0 at%.
- the chemical composition of the body in atomic percentage comprises: Al: 45.0 at%, V: 1.0 at%, Cr: 1.2 at%, Nb: 6 at%, B: 0.5 at%, C: 1.1 at%, N : 0.5%, the balance being Ti, the coating contains, by atomic percentage, B: 14.0 at%, C: 43.5 at%, V: 12.0 at%, Cr: 12.0 at%, Nb: 5.5 at%, H : 13.0at%.
- the invention adopts TiAl-based titanium aluminum compound as a blade material, can work continuously for a long time under high temperature, improves performance and service life, adopts reasonable coating composition, and has greatly improved lubricity and Heat resistance.
- An automobile engine blade characterized in that the blade comprises a body and a coating, and the body comprises a chemical composition of atomic percentage: Al: 44.0 to 47.0 at%, V: 0.5 to 1.2 at%, Cr: 0.4 to 1.6at%, Nb: 2.0 to 7.0at%, B: 0.2 to 0.8at%, C: 1.0 to 1.3at%, N: 0.3 to 0.5%, and the balance being Ti, the coating is contained in atomic percentages of chemical composition B: 10.0 to 15.0 at%, C: 32.0 to 48.0 at%, V: 5.0 to 12.0 at%, Cr: 8.0 to 18.0 at%, Nb: 4.0 to 7.0 at%, and H: 5.0 to 15.0 at%.
- the chemical composition of the body in atomic percentage comprises: Al: 45.0 to 46.0 at%, V: 0.8 to 1.0 at%, Cr: 0.6 to 1.2 at%, Nb: 4 to 6 at%, and B: 0.4 to 0.6. At%, C: 1.0 to 1.2 at%, N: 0.4 to 0.5%, and the balance is Ti.
- the coating contains B: 12.0 to 14.0 at%, C: 36.0 to 44.0 at%, and V according to the chemical composition of atomic percentage. : 8.0 to 12.0 at%, Cr: 10.0 to 14.0 at%, Nb: 5.0 to 6.0 at%, and H: 6.0 to 13.0 at%.
- the chemical composition of the body in atomic percentage comprises: Al: 45.0 at%, V: 1.0 at%, Cr: 1.2 at%, Nb: 6 at%, B: 0.5 at%, C: 1.1 at%, N : 0.5%, the balance being Ti, the coating contains, by atomic percentage, B: 14.0 at%, C: 43.5 at%, V: 12.0 at%, Cr: 12.0 at%, Nb: 5.5 at%, H : 13.0at%.
Abstract
一种汽车发动机叶片,包括本体和涂层,所述本体按原子百分比的化学成分包含:Al:44.0~47.0at%、V:0.5~1.2at%、Cr:0.4~1.6at%、Nb:2~7at%,B:0.2~0.8at%,C:1.0~1.3at%,N:0.3~0.5%,其余为Ti,所述涂层按原子百分比的化学成分包含B:10.0~15.0at%,C:32.0~48.0at%,V:5.0~12.0at%,Cr:8.0~18.0at%、Nb:4.0~7.0at%,H:5~15at%,可在高温下长时间连续工作,提高了性能和使用寿命。
Description
本发明汽车领域,尤其是涉及一种汽车发动机叶片。
全球汽车产量仍在持续增长,由于降低油耗和改善城市空气质量的要求,对低能耗高性能发动机需求量也在日益增大,涡轮增压器能显著提高发动机功率、改善排放、降低油耗,因而采用带涡轮增压器的小型发动机来替代自然吸气的发动机是现代汽车工业的一个基本趋势,由于涡轮叶片承受的是发动机高温高压的废气,乘用车柴油机排放废气温度最高大约为850℃,而汽油机则可达1050℃,增压器叶轮和涡轮尺寸不大,一般直径不超过100mm,但转速很高,最高达250000r/min,在恶劣的工作环境下连续高速工作,所以对材料和性能的要求非常高,因此开发一种高性能汽车发动机叶片材料非常有必要。
发明内容
基于以上技术问题,本发明公开了一种汽车发动机叶片,可在高温下长时间连续工作,提高了性能和使用寿命。
本发明完整的技术方案包括:
一种汽车发动机叶片,其特征在于:所述叶片包括本体和涂层,所述本体按原子百分比的化学成分包含:Al:44.0~47.0at%、V:0.5~1.2at%、Cr:0.4~1.6at%、Nb:2.0~7.0at%,B:0.2~0.8at%,C:1.0~1.3at%,N:0.3~0.5%,其余为Ti,所述涂层按原子百分比的化学成分包含B:10.0~15.0at%,C:32.0~48.0at%,V:5.0~12.0at%,Cr:8.0~18.0at%、Nb:4.0~7.0at%,H:5.0~15.0at%。
优选的,所述本体按原子百分比的化学成分包含:Al:45.0~46.0at%、V:0.8~1.0at%、Cr:0.6~1.2at%、Nb:4~6at%,B:0.4~0.6at%,C:1.0~1.2at%,N:0.4~0.5%,其余为Ti,所述涂层按原子百分比的化学成分包含B:12.0~14.0at%,C:36.0~44.0at%,V:8.0~12.0at%,Cr:10.0~14.0at%、Nb:5.0~6.0at%,H:6.0~13.0at%。
优选的,所述本体按原子百分比的化学成分包含:Al:45.0at%、V:1.0at%、Cr:1.2at%、Nb:6at%,B:0.5at%,C:1.1at%,N:0.5%,其余为Ti,所述涂层按原子百分比的化学成分包含B:14.0at%,C:43.5at%,V:12.0at%,Cr:12.0at%、Nb:5.5at%,H:13.0at%。
本发明相对现有技术,采用TiAl基的钛铝化合物作为叶片材料,可在高温下长时间连续工作,提高了性能和使用寿命,所采用的涂层成分合理,具有极大提高的润滑性和耐热性。
下面结合具体实施方式对本发明做进一步说明。
一种汽车发动机叶片,其特征在于:所述叶片包括本体和涂层,所述本体按原子百分比的化学成分包含:Al:44.0~47.0at%、V:0.5~1.2at%、Cr:0.4~1.6at%、Nb:2.0~7.0at%,B:0.2~0.8at%,C:1.0~1.3at%,N:0.3~0.5%,其余为Ti,所述涂层按原子百分比的化学成分包含B:10.0~15.0at%,C:32.0~48.0at%,V:5.0~12.0at%,Cr:8.0~18.0at%、Nb:4.0~7.0at%,H:5.0~15.0at%。
优选的,所述本体按原子百分比的化学成分包含:Al:45.0~46.0at%、V:0.8~1.0at%、Cr:0.6~1.2at%、Nb:4~6at%,B:0.4~0.6at%,C:1.0~1.2at%,N:0.4~0.5%,其余为Ti,所述涂层按原子百分比的化学成分包含B:12.0~14.0at%,C:36.0~44.0at%,V:8.0~12.0at%,Cr:10.0~14.0at%、Nb:5.0~6.0at%,H:6.0~13.0at%。
优选的,所述本体按原子百分比的化学成分包含:Al:45.0at%、V:1.0at%、Cr:1.2at%、Nb:6at%,B:0.5at%,C:1.1at%,N:0.5%,其余为Ti,所述涂层按原子百分比的化学成分包含B:14.0at%,C:43.5at%,V:12.0at%,Cr:12.0at%、Nb:5.5at%,H:13.0at%。
Claims (3)
- 一种汽车发动机叶片,其特征在于:所述叶片包括本体和涂层,所述本体按原子百分比的化学成分包含:Al:44.0~47.0at%、V:0.5~1.2at%、Cr:0.4~1.6at%、Nb:2.0~7.0at%,B:0.2~0.8at%,C:1.0~1.3at%,N:0.3~0.5%,其余为Ti,所述涂层按原子百分比的化学成分包含B:10.0~15.0at%,C:32.0~48.0at%,V:5.0~12.0at%,Cr:8.0~18.0at%、Nb:4.0~7.0at%,H:5.0~15.0at%。
- 如权利要求2所述的汽车发动机叶片,其特征在于:所述本体按原子百分比的化学成分包含:Al:45.0~46.0at%、V:0.8~1.0at%、Cr:0.6~1.2at%、Nb:4~6at%,B:0.4~0.6at%,C:1.0~1.2at%,N:0.4~0.5%,其余为Ti,所述涂层按原子百分比的化学成分包含B:12.0~14.0at%,C:36.0~44.0at%,V:8.0~12.0at%,Cr:10.0~14.0at%、Nb:5.0~6.0at%,H:6.0~13.0at%。
- 如权利要求2所述的汽车发动机叶片,其特征在于:所述本体按原子百分比的化学成分包含:Al:45.0at%、V:1.0at%、Cr:1.2at%、Nb:6at%,B:0.5at%,C:1.1at%,N:0.5%,其余为Ti,所述涂层按原子百分比的化学成分包含B:14.0at%,C:43.5at%,V:12.0at%,Cr:12.0at%、Nb:5.5at%,H:13.0at%。
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CN105624465A (zh) * | 2015-12-29 | 2016-06-01 | 青岛博泰美联化工技术有限公司 | 一种汽车发动机叶片 |
CN105483440B (zh) * | 2015-12-29 | 2018-02-23 | 东莞市兆财实业有限公司 | 一种汽车发动机叶片的环保型制备方法 |
CN105506377A (zh) * | 2015-12-29 | 2016-04-20 | 青岛博泰美联化工技术有限公司 | 一种汽车增压涡轮的环保型制备方法 |
CN105618676A (zh) * | 2015-12-29 | 2016-06-01 | 青岛博泰美联化工技术有限公司 | 一种汽车发动机壳体的环保型制备方法 |
CN105618679A (zh) * | 2015-12-30 | 2016-06-01 | 青岛博泰美联化工技术有限公司 | 一种汽车增压涡轮的制备方法 |
CN105537518A (zh) * | 2015-12-30 | 2016-05-04 | 青岛博泰美联化工技术有限公司 | 一种发动机部件的制备方法 |
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