CN114478019A - 一种TiC改性MoSi2基复合涂层及其制备方法 - Google Patents

一种TiC改性MoSi2基复合涂层及其制备方法 Download PDF

Info

Publication number
CN114478019A
CN114478019A CN202011143336.5A CN202011143336A CN114478019A CN 114478019 A CN114478019 A CN 114478019A CN 202011143336 A CN202011143336 A CN 202011143336A CN 114478019 A CN114478019 A CN 114478019A
Authority
CN
China
Prior art keywords
powder
tic
coating
composite coating
mosi
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202011143336.5A
Other languages
English (en)
Other versions
CN114478019B (zh
Inventor
李威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Central South University
Original Assignee
Central South University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Central South University filed Critical Central South University
Priority to CN202011143336.5A priority Critical patent/CN114478019B/zh
Publication of CN114478019A publication Critical patent/CN114478019A/zh
Application granted granted Critical
Publication of CN114478019B publication Critical patent/CN114478019B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/58085Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicides
    • C04B35/58092Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicides based on refractory metal silicides
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/62222Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining ceramic coatings
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628Coating the powders or the macroscopic reinforcing agents
    • C04B35/62802Powder coating materials
    • C04B35/62842Metals
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64Burning or sintering processes
    • C04B35/65Reaction sintering of free metal- or free silicon-containing compositions
    • 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
    • C23C24/00Coating starting from inorganic powder
    • C23C24/08Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/082Coating starting from inorganic powder by application of heat or pressure and heat without intermediate formation of a liquid in the layer
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38Non-oxide ceramic constituents or additives
    • C04B2235/3817Carbides
    • C04B2235/3839Refractory metal carbides
    • C04B2235/3843Titanium carbides
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/40Metallic constituents or additives not added as binding phase
    • C04B2235/404Refractory metals
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/42Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/428Silicon
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54Particle size related information
    • C04B2235/5418Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567Treatment time
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/658Atmosphere during thermal treatment
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/658Atmosphere during thermal treatment
    • C04B2235/6581Total pressure below 1 atmosphere, e.g. vacuum
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/658Atmosphere during thermal treatment
    • C04B2235/6582Hydrogen containing atmosphere
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/80Phases present in the sintered or melt-cast ceramic products other than the main phase
    • C04B2235/85Intergranular or grain boundary phases
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9607Thermal properties, e.g. thermal expansion coefficient
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9669Resistance against chemicals, e.g. against molten glass or molten salts
    • C04B2235/9684Oxidation resistance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Ceramic Products (AREA)

Abstract

本发明公开了一种TiC改性MoSi2基复合涂层及其制备方法,所述复合涂层主要由基体相、增强相,以及位于基体相与增强相之间的界面相组成,所述基体相为MoSi2、所述增强相包含TiC、所述界面相的化学式为(Tix,Mo1‑x)Si2,其中,0.33≤x≤0.95,所述复合涂层制备于难熔金属基材表面。所述制备方法为,采用包含Mo包覆TiC粉末的原料粉末,加入溶剂和粘结剂混合制得涂层料浆,并均匀涂覆在基材表面,经反应烧结而成。本发明提供的复合涂层1800℃抗氧化寿命达10h以上,室温~1800℃热震性能达1000次以上,在超高温、高速气流冲刷环境下,涂层结构稳定、抗氧化烧蚀性能优异,适用于航空航天领域高温部件的抗氧化、抗烧蚀防护涂层。

Description

一种TiC改性MoSi2基复合涂层及其制备方法
技术领域
本发明属于高温涂层技术领域,尤其涉及一种TiC改性MoSi2基复合涂层及其制备方法。
背景技术
航空航天技术的快速发展,对高温结构材料及其抗氧化/烧蚀防护涂层提出了越来越高的性能要求。难熔金属(包括钨、钼、铌、钽及其合金等)具有高熔点、较高的高温强度、低热膨胀、高热导率等性能特点,被广泛应用于航空航天、国防军工等领域。然而,难熔金属高温抗氧化性能较差,极大限制了其在高温有氧环境下的应用。为保护航空航天用难熔金属高温部件不被氧化烧蚀破坏,需要进行抗氧化涂层防护,该抗氧化涂层要求具有高的工作温度(≥1800℃)、优异的抗氧化烧蚀、抗高温高速气流冲刷等性能。MoSi2具有高熔点(2030℃)、较低密度(6.24g/cm3),且高温氧化时能形成保护性氧化膜从而具有优异的高温抗氧化性能,是一类典型的高温抗氧化涂层。然而,MoSi2涂层在工程应用过程中也存在一些不足,一是工作温度偏低(~1650℃),无法满足超高温度工作要求;二是在高温、高速气流冲刷环境下,MoSi2形成的氧化膜易被冲刷流动变形,导致抗烧蚀性能差;同时,还存在脆性大、与基材热膨胀系数相差较大等问题,难以满足空天前沿领域的耐更高温和长时间抗氧化抗烧蚀性能要求。超高温碳化物陶瓷(如TiC)具有超高熔点(3000℃以上)、抗烧蚀等优点,是一类重要的超高温材料。采用高熔点、抗烧蚀的超高温碳化物陶瓷与硅化物复合,是提高涂层耐高温、抗烧蚀性的一个有效方法。然而,由于碳化物陶瓷与硅化物之间键结构和热物性能的差异(如TiC熔点3140℃,热膨胀系数7.8×10-6K-1,热导率45W/m·K;ZrC熔点3540℃,热膨胀系数6.7×10-6K-1,热导率20W/m·K;MoSi2熔点2030℃,热膨胀系数7.8×10-6K-1,热导率16W/m·K),导致碳化物陶瓷相和MoSi2相之间的相界面结合差和热失配,很容易在复合涂层中产生裂纹甚至龟裂,难以有效发挥两者复合效应。因此,解决碳化物陶瓷与硅化物涂层之间的界面结合和匹配问题,是发展新型碳化物陶瓷改性MoSi2基超高温复合涂层的关键。
发明内容
针对现有技术的不足,本发明的目的在于提供一种TiC改性MoSi2基复合涂层及其制备方法。
为了实现上述目的,本发明采用如下技术方案:
本发明一种TiC改性MoSi2基复合涂层,所述复合涂层由基体相、增强相,以及位于基体相与增强相之间的界面相组成,所述基体相为MoSi2,所述增强相包含TiC,所述界面相的化学式为(Tix,Mo1-x)Si2,其中,0.33≤x≤0.95,所述复合涂层制备于难熔金属基材表面。
在本发明中,难熔金属基材中的难熔金属是指钨、钼、铌、钽及其合金,基材与复合涂层之间具有过渡层,如当基材为铌及铌合金时,在复合涂层与基材之间可形成NbSi2过渡层;当基材为钨及钨合金时,在复合涂层与基材之间可形成WSi2过渡层;当基材为钽及钽合金时,在复合涂层与基材之间可形成TaSi2过渡层,从而使得基材与复合涂层之间的结合更加牢固。
而更重要的是本发明提供的复合涂层,由于含有(Tix,Mo1-x)Si2界面相,该界面相作为MoSi2基体相和TiC陶瓷增强相之间的过渡相,有效解决了超高温陶瓷TiC和MoSi2界面匹配和结合的问题,实现了MoSi2和TiC良好的界面结合。该界面相的形成,一方面显著提高了涂层的力学性能,另一方面该界面相也是一种优异的耐高温相,界面相和复合界面的形成有利于阻碍氧向基材内部扩散,从而显著提高了涂层的耐高温、抗氧化性能。
优选的方案,所述界面相的化学式为(Tix,Mo1-x)Si2,0.33≤x≤0.8。
优选的方案,所述复合涂层,按质量百分比计,其组成如下:Mo 40~60%,Ti 0.24~33%,C 0.06~7%,余量为Si。
优选的方案,所述复合涂层在1800℃下抗氧化寿命达10h以上,室温~1800℃热震性能达1000次以上。
本发明中,1800℃抗氧化寿命是指,涂层试样在30s内升温至1800℃后开始保温,涂层不发生破坏所持续的时间;室温~1800℃热震性能是指,涂层试样从30s上升到1800℃,保温5min后,30s降到室温,记为1个热震次数。
本发明一种TiC改性MoSi2基复合涂层的制备方法,包括如下步骤:
步骤一:涂层浆料的配制
配取Mo粉、Si粉、Mo包覆TiC粉末,混合获得混合粉末,然后加入溶剂和粘结剂,混合获得涂层料浆。
步骤二:涂层浆料的涂覆
将步骤一所得涂层料浆,均匀涂覆在基材表面,经干燥后形成涂层坯体。
步骤三:反应烧结
将步骤二所得涂层坯体,进行反应烧结,即得复合涂层。
本发明提供的制备方法,先配制涂层料浆,将涂层料浆均匀涂覆于基材表面,通过反应烧结,形成与基材紧密结合的复合涂层,本发明的复合涂层通过以Mo包覆TiC粉末的形式来加入TiC,在反应烧结的过程中,在MoSi2基体相和TiC增强相之间形成了(Tix,Mo1-x)Si2界面相。
优选的方案,所述步骤一中,混合粉末中,Mo粉的质量分数为20%~40%。
优选的方案,所述步骤一中,混合粉末中,Mo包覆TiC粉末的质量分数为0.5%~20%。
优选的方案,所述步骤一中,配取Mo粉、Si粉、Mo包覆TiC粉末、Ti源,混合获得混合粉末,所述Ti源中的Ti元素在混合粉末中的质量分数为0.5%~15%。
发明人发现,通过适量的引入少量Ti源,可以降低涂层烧结温度。
进一步的优选,所述Ti源选自Ti粉、TiH2粉、Mo-Ti合金粉中的至少一种。
在本发明中,Mo-Ti合金粉的Mo、Ti比例不受限制。
进一步的优选,所述Ti源的粒径≤10μm。
优选的方案,所述Mo粉的粒径≤5μm,所述Si粉的粒径≤15μm。
本发明中,对Mo包覆TiC粉末的制备方法不受限制,优选为采用非均相沉淀-热还原技术制备而成。
进一步的优选,所述Mo包覆TiC粉末的制备方法为:
步骤1
将TiC粉末加入到浓度为10~80mol/L的钼酸铵溶液中,再加入表面活性剂聚乙二醇,搅拌并超声震荡形成悬浮液,所述聚乙二醇与钼酸铵溶液的固液质量体积比为5~10g:1L;
步骤2
往悬浮液中滴加浓度为1~3mol/L的碳酸氢铵溶液,直至调节悬浮液pH值为9~12,并将悬浮液依次进行离心分离、洗涤、干燥,得到前驱体粉末;
步骤3
将前驱体粉末在氢气下于750~900℃进行煅烧2~5h,即得Mo包覆TiC粉末。
进一步的优选,所述TiC粉的粒径为30nm~5μm,优选为50nm~1μm。
优选的方案,所述步骤一中,所述粘结剂为聚乙二醇,所述粘结剂的加入量为混合粉末质量的0.1~0.5%。
优选的方案,所述步骤一中,所述溶剂为无水乙醇或水,混合粉末与溶剂固液质量体积比为100g:90~120ml。
优选的方案,所述步骤一中,混合的方式为球磨,所述球磨为湿法球磨,所述湿法球磨在真空气氛或保护气氛下进行,球磨的时间为4~12h,球磨的转速为150~300rad/min。
优选的方案,所述步骤二中,所述干燥为真空干燥。
优选的方案,所述步骤三中,反应烧结的温度为1400~1600℃,保温的时间为15~60min,反应烧结的气氛为非氧化性气氛。所述非氧化性气氛选自真空气氛、Ar气氛或H2气氛中的一种。
本发明相对于现有涂层和制备技术,其优点如下:
1、本发明的TiC改性MoSi2基复合涂层,是一种全新的抗氧化涂层体系,该涂层具有独特的基体相-界面相-增强相镶嵌复合的特征微结构,目前尚无相关报道。(Tix,Mo1-x)Si2界面相作为MoSi2基体相和TiC陶瓷增强相之间的过渡相,有效解决了超高温陶瓷TiC和MoSi2界面匹配和结合的问题,实现了MoSi2和TiC良好的界面结合;同时,在涂层服役过程中,该界面相可抑制微裂纹进一步扩展,提高涂层服役寿命。
2、本发明的制备方法,通过在原料中引入Mo包覆TiC粉末以代替TiC粉末的添加,涂层在制备过程中,通过原位反应在MoSi2基体相和TiC增强相之间诱导形成(Tix,Mo1-x)Si2界面相。
3、本发明的TiC改性MoSi2基复合涂层,由MoSi2、(Tix,Mo1-x)Si2和TiC等物相组成,(Tix,Mo1-x)Si2界面相不仅起到改善界面结合的作用,它也是一种耐高温相。通过添加TiC超高温陶瓷相及原位形成(Tix,Mo1-x)Si2耐高温相,使复合涂层的高温抗氧化、抗烧蚀性能均得到明显提高,其1800℃下具有10h以上的寿命,室温~1800℃热震性能达1000次以上。
4、本发明的TiC改性MoSi2基复合涂层性能优异,工艺简单,非常适于用作航空航天热端部件的耐高温抗氧化/烧蚀涂层。
附图说明
图1为实施例1中所得复合涂层的组织形貌图。
附图1中,浅灰色相1#为MoSi2基体相,暗灰色相2#为(Ti0.8,Mo0.2)Si2界面相,黑色相3#为TiC增强相,形成了基体相-界面相-增强相镶嵌复合的特征微组织结构。
图2为对比例1中所得复合涂层的组织形貌图。浅灰色相4#为MoSi2基体相,黑色相5#为TiC增强相,未形成中间界面相。
具体实施方式
实施例1:
(1)原料的配取:按比例称取Mo粉、Si粉、Mo包覆TiC粉,其中各粉末质量比为40%Mo,0.5%Mo包覆TiC,余量为Si,其中,Mo粉粒径2~5μm,Si粉粒径5~15μm;
将上述称取的粉末倒入球磨罐中,加入粘结剂聚乙二醇和溶剂无水乙醇,在Ar气氛下球磨得到涂层料浆,粘结剂占涂层粉末质量的0.1%,涂层粉末与溶剂的固液质量体积比为100g:90ml,球磨转速为150rad/min,球磨时间为12h;
其中,Mo包覆TiC采用非均相沉淀-热还原技术制备而成。首先,将粒径为30nm的TiC粉末加入到浓度为10mol/L的钼酸铵溶液中,并按5g/L加入表面活性剂聚乙二醇,充分搅拌并超声震荡形成悬浮液;其次,往悬浮液中滴加浓度为1mol/L的碳酸氢铵溶液,直至调节悬浮液PH值至9,并将悬浮液依次进行离心分离、洗涤、干燥,得到前驱体粉末;最后,将前驱体粉末在氢气下于750℃进行煅烧和还原5h,形成Mo包覆TiC粉末。
(2)料浆涂覆:将(1)中所述涂层料浆均匀涂覆在难熔金属基材表面,经真空干燥后形成涂层坯体;
(3)反应烧结:将(2)中所述涂层坯体进行高温反应烧结,从而形成TiC改性MoSi2基复合涂层。其中,烧结温度为1400℃,保温时间为60min,复合涂层的相组成为基体相MoSi2、界面相(Ti0.33,Mo0.67)Si2、增强相TiC,复合涂层在1800℃抗氧化寿命为10h,室温~1800℃热震性能为1032次。
对比例1
其他条件与实施例1相同,仅是步骤(1)中Mo包覆TiC粉变为TiC粉,所得TiC改性MoSi2基复合涂层1800℃有效抗氧化寿命为3~6h,室温~1800℃热震性能为500次。与实施例1相比,其抗氧化性变差的原因在于复合涂层中未形成(Tix,Mo1-x)Si2界面相。
实施例2:
(1)原料的配取:按比例称取Mo粉、Si粉、Mo包覆TiC粉混合,其中各粉末质量比为40%Mo,2.5%Mo包覆TiC,余量为Si,其中,Mo粉粒径2~5μm,Si粉粒径5~10μm;
将上述称取的粉末倒入球磨罐中,加入粘结剂聚乙二醇和溶剂无水乙醇,在Ar气氛下球磨得到涂层料浆,粘结剂占涂层粉末质量的0.2%,涂层粉末与溶剂的固液质量体积比为100g:100ml,球磨转速为180rad/min,球磨时间为10h;
其中,Mo包覆TiC采用非均相沉淀-热还原技术制备而成。首先,将粒径为100nm的TiC粉末加入到浓度为30mol/L的钼酸铵溶液中,并按6g/L加入表面活性剂聚乙二醇,充分搅拌并超声震荡形成悬浮液;其次,往悬浮液中滴加浓度为2mol/L的碳酸氢铵溶液,直至调节悬浮液PH值至10,并将悬浮液依次进行离心分离、洗涤、干燥,得到前驱体粉末;最后,将前驱体粉末在氢气下于800℃进行煅烧和还原4h,形成Mo包覆TiC粉末。
(2)粉末干燥:将(1)中所述涂层料浆均匀涂覆在难熔金属基材表面,经真空干燥后形成涂层坯体;
(3)反应烧结:将(2)中所述涂层坯体进行高温反应烧结,从而形成TiC改性MoSi2基复合涂层。其中,烧结温度为1440℃,保温时间为45min,复合涂层的相组成为基体相MoSi2、界面相(Ti0.8,Mo0.2)Si2、增强相TiC,复合涂层1800℃抗氧化寿命为12h,室温~1800℃热震性能为1058次。
实施例3:
(1)原料的配取:按比例称取Mo粉、Si粉、Mo包覆TiC粉混合,其中各粉末质量比为35%Mo,5%Mo包覆TiC,余量为Si,其中,Mo粉粒径2~5μm,Si粉粒径10~15μm;
将上述称取的粉末倒入球磨罐中,加入粘结剂聚乙二醇和溶剂无水乙醇,在Ar气氛下球磨得到涂层料浆,粘结剂占涂层粉末质量的0.25%,涂层粉末与溶剂的固液质量体积比为100g:100ml,球磨转速为200rad/min,球磨时间为8h;
其中,Mo包覆TiC采用非均相沉淀-热还原技术制备而成。首先,将粒径为0.5μm的TiC粉末加入到浓度为50mol/L的钼酸铵溶液中,并按8g/L加入表面活性剂聚乙二醇,充分搅拌并超声震荡形成悬浮液;其次,往悬浮液中滴加浓度为2mol/L的碳酸氢铵溶液,直至调节悬浮液PH值至11,并将悬浮液依次进行离心分离、洗涤、干燥,得到前驱体粉末;最后,将前驱体粉末在氢气下于850℃进行煅烧和还原3h,形成Mo包覆TiC粉末。
(2)粉末干燥:将(1)中所述涂层料浆均匀涂覆在难熔金属基材表面,经真空干燥后形成涂层坯体;
(3)反应烧结:将(2)中所述涂层坯体进行高温反应烧结,从而形成TiC改性MoSi2基复合涂层。其中,烧结温度为1480℃,保温时间为30min,复合涂层的相组成为基体相MoSi2、界面相(Ti0.8,Mo0.2)Si2、增强相TiC,复合涂层1800℃抗氧化寿命为15h,室温~1800℃热震性能为1100次。
实施例4:
(1)原料的配取:原料的配取:按比例称取Mo粉、Si粉、Mo包覆TiC粉混合,其中各粉末质量比为30%Mo,12.5%Mo包覆TiC,余量为Si,其中,Mo粉粒径2~5μm,Si粉粒径5~15μm;
将上述称取的粉末倒入球磨罐中,加入粘结剂聚乙二醇和溶剂蒸馏水,在真空气氛下球磨得到涂层料浆,粘结剂占涂层粉末质量的0.3%,涂层粉末与溶剂的固液质量体积比为100g:110ml,球磨转速为220rad/min,球磨时间为6h;
其中,Mo包覆TiC采用非均相沉淀-热还原技术制备而成。首先,将粒径为1μm的TiC粉末加入到浓度为60mol/L的钼酸铵溶液中,并按10g/L加入表面活性剂聚乙二醇,充分搅拌并超声震荡形成悬浮液;其次,往悬浮液中滴加浓度为3mol/L的碳酸氢铵溶液,直至调节悬浮液PH值至12,并将悬浮液依次进行离心分离、洗涤、干燥,得到前驱体粉末;最后,将前驱体粉末在氢气下于900℃进行煅烧和还原2h,形成Mo包覆TiC粉末。
(2)粉末干燥:将(1)中所述涂层料浆均匀涂覆在难熔金属基材表面,经真空干燥后形成涂层坯体;
(3)反应烧结:将(2)中所述涂层坯体进行高温反应烧结,从而形成TiC改性MoSi2基复合涂层。其中,烧结温度为1550℃,保温时间为20min,复合涂层的相组成为基体相MoSi2、界面相(Ti0.8,Mo0.2)Si2、增强相TiC,复合涂层1800℃抗氧化寿命为20h,室温~1800℃热震性能为1210次。
实施例5:
(1)原料的配取:按比例称取Mo粉、Si粉、Mo包覆TiC粉混合,其中各粉末质量比为20%Mo,20%Mo包覆TiC,余量为Si,其中,Mo粉粒径1~3μm,Si粉粒径5~10μm;
将上述称取的粉末倒入球磨罐中,加入粘结剂聚乙二醇和溶剂无水乙醇,在Ar气氛下球磨得到涂层料浆,粘结剂占涂层粉末质量的0.5%,涂层粉末与溶剂的固液质量体积比为100g:120ml,球磨转速为300rad/min,球磨时间为4h;
其中,Mo包覆TiC采用非均相沉淀-热还原技术制备而成。首先,将粒径为5μmTiC粉末加入到浓度为80mol/L的钼酸铵溶液中,并按8g/L加入表面活性剂聚乙二醇,充分搅拌并超声震荡形成悬浮液;其次,往悬浮液中滴加浓度为2mol/L的碳酸氢铵溶液,直至调节悬浮液PH值至10,并将悬浮液依次进行离心分离、洗涤、干燥,得到前驱体粉末;最后,将前驱体粉末在氢气下于850℃进行煅烧和还4h,形成Mo包覆TiC粉末。
(2)粉末干燥:将(1)中所述涂层料浆均匀涂覆在难熔金属基材表面,经真空干燥后形成涂层坯体;
(3)反应烧结:将(2)中所述涂层坯体进行高温反应烧结,从而形成TiC改性MoSi2基复合涂层。其中,烧结温度为1600℃,保温时间为15min,复合涂层的相组成为基体相MoSi2、界面相(Ti0.8,Mo0.2)Si2、增强相TiC,复合涂层1800℃抗氧化寿命为15h,室温~1800℃热震性能为1120次。
实施例6:
(1)配料:按比例称取Mo粉、Ti粉、Si粉、Mo包覆TiC粉混合,其中各粉末质量比为40%Mo,0.5%Ti,0.5%Mo包覆TiC,余量为Si,其中,Mo粉粒径2~5μm,Si粉粒径5~10μm;
将上述称取的粉末倒入球磨罐中,加入粘结剂聚乙二醇和溶剂蒸馏水,在真空气氛下球磨得到涂层料浆,粘结剂占涂层粉末质量的0.25%,涂层粉末与溶剂的固液质量体积比为100g:110ml,球磨转速为180rad/min,球磨时间为10h;
其中,Mo包覆TiC采用非均相沉淀-热还原技术制备而成。首先,将粒径为500nm的TiC粉末加入到浓度为20mol/L的钼酸铵溶液中,并按8g/L加入表面活性剂聚乙二醇,充分搅拌并超声震荡形成悬浮液;其次,往悬浮液中滴加浓度为2mol/L的碳酸氢铵溶液,直至调节悬浮液PH值至10,并将悬浮液依次进行离心分离、洗涤、干燥,得到前驱体粉末;最后,将前驱体粉末在氢气下于850℃进行煅烧和还4h,形成Mo包覆TiC粉末。
(2)粉末干燥:将(1)中所述涂层料浆均匀涂覆在难熔金属基材表面,经真空干燥后形成涂层坯体;
(3)反应烧结:将(2)中所述涂层坯体进行高温反应烧结,从而形成TiC改性MoSi2基复合涂层。其中,烧结温度为1400℃,保温时间为45min,复合涂层的相组成为基体相MoSi2、界面相(Ti0.95,Mo0.05)Si2、增强相TiC,复合涂层1800℃抗氧化寿命为17h,室温~1800℃热震性能为1150次。
实施例7:
(1)配料:按比例称取Mo粉、TiH2粉、Si粉、Mo包覆TiC粉混合,其中各粉末质量比为30%Mo,2.5%Mo-Ti,5%Mo包覆TiC,余量为Si,其中,Mo粉粒径3~5μm,Si粉粒径8~15μm;
将上述称取的粉末倒入球磨罐中,加入粘结剂聚乙二醇和溶剂无水乙醇,在Ar气氛下球磨得到涂层料浆,粘结剂占涂层粉末质量的0.3%,涂层粉末与溶剂的固液质量体积比为100g:105ml,球磨转速为200rad/min,球磨时间为8h;
其中,Mo包覆TiC采用非均相沉淀-热还原技术制备而成。首先,将粒径为200nmTiC粉末加入到浓度为40mol/L的钼酸铵溶液中,并按6g/L加入表面活性剂聚乙二醇,充分搅拌并超声震荡形成悬浮液;其次,往悬浮液中滴加浓度为3mol/L的碳酸氢铵溶液,直至调节悬浮液PH值至11,并将悬浮液依次进行离心分离、洗涤、干燥,得到前驱体粉末;最后,将前驱体粉末在氢气下于800℃进行煅烧和还5h,形成Mo包覆TiC粉末。
(2)粉末干燥:将(1)中所述涂层料浆均匀涂覆在难熔金属基材表面,经真空干燥后形成涂层坯体;
(3)反应烧结:将(2)中所述涂层坯体进行高温反应烧结,从而形成TiC改性MoSi2基复合涂层。其中,烧结温度为1450℃,保温时间为35min,复合涂层的相组成为基体相MoSi2、界面相(Ti0.95,Mo0.05)Si2、增强相TiC,复合涂层1800℃抗氧化寿命为17h,室温~1800℃热震性能为1180次。
实施例8:
(1)配料:按比例称取Mo粉、Mo-Ti合金粉、Si粉、Mo包覆TiC粉混合,其中各粉末质量比为25%Mo,5%TiH2,10%Mo包覆TiC,余量为Si,其中,Mo粉粒径2~5μm,Si粉粒径8~12μm;
将上述称取的粉末倒入球磨罐中,加入粘结剂聚乙二醇和溶剂蒸馏水,在真空气氛下球磨得到涂层料浆,粘结剂占涂层粉末质量的0.4%,涂层粉末与溶剂的固液质量体积比为100g:110ml,球磨转速为220rad/min,球磨时间为6h;
其中,Mo包覆TiC采用非均相沉淀-热还原技术制备而成。首先,将粒径为0.5μmTiC粉末加入到浓度为50mol/L的钼酸铵溶液中,并按7g/L加入表面活性剂聚乙二醇,充分搅拌并超声震荡形成悬浮液;其次,往悬浮液中滴加浓度为2.5mol/L的碳酸氢铵溶液,直至调节悬浮液PH值至9,并将悬浮液依次进行离心分离、洗涤、干燥,得到前驱体粉末;最后,将前驱体粉末在氢气下于820℃进行煅烧和还4h,形成Mo包覆TiC粉末。
(2)粉末干燥:将(1)中所述涂层料浆均匀涂覆在难熔金属基材表面,经真空干燥后形成涂层坯体;
(3)反应烧结:将(2)中所述涂层坯体进行高温反应烧结,从而形成TiC改性MoSi2基复合涂层。其中,烧结温度为1500℃,保温时间为20min,复合涂层的相组成为基体相MoSi2、界面相(Ti0.8,Mo0.2)Si2、增强相TiC,复合涂层1800℃抗氧化寿命为21h,室温~1800℃热震性能为1230次。
实施例9:
(1)配料:按比例称取Mo粉、Ti粉、Si粉、Mo包覆TiC粉混合,其中各粉末质量比为20%Mo,10%Ti,20%Mo包覆TiC,余量为Si,其中,Mo粉粒径1~3μm,Si粉粒径8~12μm;
将上述称取的粉末倒入球磨罐中,加入粘结剂聚乙二醇和溶剂无水乙醇,在Ar气氛下球磨得到涂层料浆,粘结剂占涂层粉末质量的0.5%,涂层粉末与溶剂的固液质量体积比为100g:120ml,球磨转速为200rad/min,球磨时间为6h;
其中,Mo包覆TiC采用非均相沉淀-热还原技术制备而成。首先,将粒径为50μmTiC粉末加入到浓度为40mol/L的钼酸铵溶液中,并按10g/L加入表面活性剂聚乙二醇,充分搅拌并超声震荡形成悬浮液;其次,往悬浮液中滴加浓度为2.5mol/L的碳酸氢铵溶液,直至调节悬浮液PH值至9,并将悬浮液依次进行离心分离、洗涤、干燥,得到前驱体粉末;最后,将前驱体粉末在氢气下于870℃进行煅烧和还4h,形成Mo包覆TiC粉末。
(2)粉末干燥:将(1)中所述涂层料浆均匀涂覆在难熔金属基材表面,经真空干燥后形成涂层坯体;
(3)反应烧结:将(2)中所述涂层坯体进行高温反应烧结,从而形成TiC改性MoSi2基复合涂层。其中,烧结温度为1500℃,保温时间为30min,复合涂层的相组成为基体相MoSi2、界面相(Ti0.95,Mo0.05)Si2、增强相TiC,复合涂层1800℃抗氧化寿命为19h,室温~1800℃热震性能为1085次。

Claims (10)

1.一种TiC改性MoSi2基复合涂层,其特征在于:所述复合涂层由基体相、增强相,以及位于基体相与增强相之间的界面相组成,所述基体相为MoSi2,所述增强相包含TiC,所述界面相的化学式为(Tix,Mo1-x)Si2,其中,0.33≤x≤0.95;所述复合涂层制备于难熔金属基材表面。
2.根据权利要求1所述的一种TiC改性MoSi2基复合涂层,其特征在于:所述复合涂层,按质量百分比计,其组成如下:Mo 40~60%,Ti 0.24~33%,C 0.06~7%,余量为Si。
3.根据权利要求1或2所述的一种TiC改性MoSi2基复合涂层的制备方法,其特征在于,包括如下步骤:
步骤一:涂层浆料的配制
配取Mo粉、Si粉、Mo包覆TiC粉末,混合获得混合粉末,然后加入溶剂和粘结剂,混合获得涂层料浆;
步骤二:涂层浆料的涂覆
将步骤一所得涂层料浆,均匀涂覆在基体表面,经干燥后形成涂层坯体;
步骤三:反应烧结
将步骤二所得涂层坯体,进行反应烧结,即得复合涂层。
4.根据权利要求3所述的一种TiC改性MoSi2基复合涂层的制备方法,其特征在于:所述步骤一中,混合粉末中,Mo粉的质量分数为20%~40%;混合粉末中,Mo包覆TiC粉末的质量分数为0.5%~20%。
5.根据权利要求4所述的一种TiC改性MoSi2基复合涂层的制备方法,其特征在于:所述步骤一中,配取Mo粉、Si粉、Mo包覆TiC粉末、Ti源,混合获得混合粉末,所述Ti源中的Ti元素在混合粉末中的质量分数为0.5%~15%;所述Ti源选自Ti粉、TiH2粉、Mo-Ti合金粉中的至少一种;所述Ti源的粒径≤10μm。
6.根据权利要求3或5所述的一种TiC改性MoSi2基复合涂层的制备方法,其特征在于:
所述Mo粉的粒径≤5μm,所述Si粉的粒径≤15μm。
7.根据权利要求3所述的一种TiC改性MoSi2基复合涂层的制备方法,其特征在于:
所述Mo包覆TiC粉末的制备方法为:
步骤1
将TiC粉末加入到浓度为10~80mol/L的钼酸铵溶液中,再加入表面活性剂聚乙二醇,搅拌并超声震荡形成悬浮液,所述聚乙二醇与钼酸铵溶液的固液质量体积比为5~10g:1L;
所述TiC粉末的粒径为30nm~5μm,优选为50nm~1μm;
步骤2
往悬浮液中滴加浓度为1~3mol/L的碳酸氢铵溶液,直至调节悬浮液pH值为9~12,并将悬浮液依次进行离心分离、洗涤、干燥,得到前驱体粉末;
步骤3
将前驱体粉末在氢气下于750~900℃进行煅烧2~5h,即得Mo包覆TiC粉末。
8.根据权利要求3所述的一种TiC改性MoSi2基复合涂层的制备方法,其特征在于:
所述步骤一中,所述粘结剂为聚乙二醇,所述粘结剂的加入量为混合粉末质量的0.1~0.5%;
所述步骤一中,所述溶剂为无水乙醇或水,混合粉末与溶剂固液质量体积比为100g:90~120ml。
9.根据权利要求3所述的一种TiC改性MoSi2基复合涂层的制备方法,其特征在于:所述步骤一中,混合的方式为球磨,所述球磨为湿法球磨,所述湿法球磨在真空气氛或保护气氛下进行,球磨的时间为4~12h,球磨的转速为150~300rad/min。
10.根据权利要求3所述的一种TiC改性MoSi2基复合涂层的制备方法,其特征在于:所述步骤三中,反应烧结的温度为1400~1600℃,保温时间为15~60min,反应烧结的气氛为非氧化性气氛。
CN202011143336.5A 2020-10-23 2020-10-23 一种TiC改性MoSi2基复合涂层及其制备方法 Active CN114478019B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011143336.5A CN114478019B (zh) 2020-10-23 2020-10-23 一种TiC改性MoSi2基复合涂层及其制备方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011143336.5A CN114478019B (zh) 2020-10-23 2020-10-23 一种TiC改性MoSi2基复合涂层及其制备方法

Publications (2)

Publication Number Publication Date
CN114478019A true CN114478019A (zh) 2022-05-13
CN114478019B CN114478019B (zh) 2023-03-03

Family

ID=81470610

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011143336.5A Active CN114478019B (zh) 2020-10-23 2020-10-23 一种TiC改性MoSi2基复合涂层及其制备方法

Country Status (1)

Country Link
CN (1) CN114478019B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114591088A (zh) * 2020-12-07 2022-06-07 中南大学 一种TiC增强MoSi2基复合材料及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0886458A2 (en) * 1997-05-23 1998-12-23 Kabushiki Kaisha Riken Molybdenum disilicide heating element and its production method
CN108149201A (zh) * 2018-01-09 2018-06-12 中南大学 一种Mo-Si-X-C复相陶瓷涂层及制备方法
CN108517518A (zh) * 2018-03-28 2018-09-11 中南林业科技大学 一种提高钛合金高温抗氧化性能的复合涂层的制备方法
CN109913870A (zh) * 2019-04-30 2019-06-21 江苏理工学院 一种铌合金表面MoSi2涂层的制备方法
CN110257679A (zh) * 2019-07-31 2019-09-20 安徽工业大学 一种钼基合金涂层的制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0886458A2 (en) * 1997-05-23 1998-12-23 Kabushiki Kaisha Riken Molybdenum disilicide heating element and its production method
CN108149201A (zh) * 2018-01-09 2018-06-12 中南大学 一种Mo-Si-X-C复相陶瓷涂层及制备方法
CN108517518A (zh) * 2018-03-28 2018-09-11 中南林业科技大学 一种提高钛合金高温抗氧化性能的复合涂层的制备方法
CN109913870A (zh) * 2019-04-30 2019-06-21 江苏理工学院 一种铌合金表面MoSi2涂层的制备方法
CN110257679A (zh) * 2019-07-31 2019-09-20 安徽工业大学 一种钼基合金涂层的制备方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
WEI LI ET AL.: "MoSi2/(Mo, Ti)Si2 dual-phase composite coating for oxidation protection of molybdenum alloy", 《JOURNAL OF ALLOYS AND COMPOUNDS》 *
颜建辉: "TiC-MoSi2 复合材料的原位合成及其低温氧化特性", 《材料热处理学报》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114591088A (zh) * 2020-12-07 2022-06-07 中南大学 一种TiC增强MoSi2基复合材料及其制备方法

Also Published As

Publication number Publication date
CN114478019B (zh) 2023-03-03

Similar Documents

Publication Publication Date Title
CN104313446B (zh) 一种耐磨陶瓷涂层材料及其制备方法
CN109097657B (zh) 一种Mo纳米颗粒增强CoCrNi中熵合金复合材料及其制备方法
CN111978088B (zh) 一种强韧化超高致密度抗超高温烧蚀涂层及其制备方法
AU2022224725B2 (en) Preparation method of in-situ synthesized zirconia toughened alumina (ZTA) ceramic particles-reinforced steel matrix structural composite
CN108585897B (zh) 一种难熔金属高温抗氧化Si-Mo-YSZ涂层及其制备方法
CN103387422A (zh) 在炭材料表面制备碳化硅/二硅化钼复合涂层的方法
CN110157226B (zh) 一种耐高温吸波涂料及其制备方法
CN111534796B (zh) 一种等离子物理气相沉积用纳米莫来石粉体及其制备方法
CN110655404A (zh) 一种钛碳化硅基复合陶瓷材料及其制备工艺
CN114478019B (zh) 一种TiC改性MoSi2基复合涂层及其制备方法
CN112279653B (zh) 一种具有裂纹愈合能力的陶瓷材料及其制备方法
CN105198501A (zh) 一种碳/碳复合材料表面金属钨梯度涂层的制备方法
CN114276142A (zh) 一种涂敷-反应熔渗制备多元超高温陶瓷涂层的方法
CN113817946B (zh) 一种HEA-SiC高温吸波材料及其制备方法
CN114703394A (zh) 一种高温材料及其制备方法与应用
CN112063966B (zh) 一种提高钼合金表面抗高温烧蚀性能的方法
CN108397418A (zh) 一种高强度耐磨防蚀散热风扇叶片
CN109231990A (zh) 一种碳化钨-金刚石复合材料的制备方法
CN108817387B (zh) 一种具有高硬度和抗高温氧化性能的钨基复合材料的制备方法
CN102424596B (zh) SiC纳米颗粒及SiC晶须混杂增韧ZrC基超高温陶瓷复合材料及其制备方法
CN110872713B (zh) 一种y/y2o3金属陶瓷防护涂层的冷喷涂制备方法
CN116144239A (zh) 一种酚醛树脂基热防护涂层及其制备方法
CN114591088B (zh) 一种TiC增强MoSi2基复合材料及其制备方法
CN113957294A (zh) 一种CrCoNi中熵合金增强Al基复合材料及其制备方法
CN109485387B (zh) 一种环境障涂层用空心球形bsas粉末的制备方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant