CN105624465A - 一种汽车发动机叶片 - Google Patents

一种汽车发动机叶片 Download PDF

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Publication number
CN105624465A
CN105624465A CN201511007767.8A CN201511007767A CN105624465A CN 105624465 A CN105624465 A CN 105624465A CN 201511007767 A CN201511007767 A CN 201511007767A CN 105624465 A CN105624465 A CN 105624465A
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Prior art keywords
blade
atomic percent
chemical composition
automobile engine
motor car
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CN201511007767.8A
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English (en)
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刘全英
陈隽颖
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Qingdao Botai Meilian Chemical Technology Co Ltd
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Qingdao Botai Meilian Chemical Technology Co Ltd
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Priority to CN201511007767.8A priority Critical patent/CN105624465A/zh
Publication of CN105624465A publication Critical patent/CN105624465A/zh
Priority to PCT/CN2016/107866 priority patent/WO2017114067A1/zh
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C14/00Alloys based on titanium
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C30/00Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12Blades
    • F01D5/28Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F01D5/282Selecting composite materials, e.g. blades with reinforcing filaments
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12Blades
    • F01D5/28Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F01D5/288Protective coatings for blades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/10Metals, alloys or intermetallic compounds
    • F05D2300/17Alloys
    • F05D2300/174Titanium alloys, e.g. TiAl
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/60Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/611Coating

Abstract

本发明公开了一种汽车发动机叶片,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:2~7at%,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

一种汽车发动机叶片
技术领域
本发明汽车领域,尤其是涉及一种汽车发动机叶片。
背景技术
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。
具体实施方式
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)

1.一种汽车发动机叶片,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%。
2.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%。
3.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%。
CN201511007767.8A 2015-12-29 2015-12-29 一种汽车发动机叶片 Pending CN105624465A (zh)

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WO2017114078A1 (zh) * 2015-12-30 2017-07-06 张建勋 一种发动机部件的制备方法
WO2017114079A1 (zh) * 2015-12-30 2017-07-06 张建勋 一种汽车增压涡轮的制备方法
WO2017114067A1 (zh) * 2015-12-29 2017-07-06 张建勋 一种汽车发动机叶片
WO2017114068A1 (zh) * 2015-12-29 2017-07-06 张建勋 一种汽车发动机叶片的环保型制备方法
WO2017114070A1 (zh) * 2015-12-29 2017-07-06 张建勋 一种汽车增压涡轮的环保型制备方法
WO2017114066A1 (zh) * 2015-12-29 2017-07-06 张建勋 一种汽车发动机壳体的环保型制备方法

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WO2017114079A1 (zh) * 2015-12-30 2017-07-06 张建勋 一种汽车增压涡轮的制备方法

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Application publication date: 20160601