CN116655384A - 一种耐高温高熵吸波陶瓷及其制备方法和应用 - Google Patents

一种耐高温高熵吸波陶瓷及其制备方法和应用 Download PDF

Info

Publication number
CN116655384A
CN116655384A CN202310665920.4A CN202310665920A CN116655384A CN 116655384 A CN116655384 A CN 116655384A CN 202310665920 A CN202310665920 A CN 202310665920A CN 116655384 A CN116655384 A CN 116655384A
Authority
CN
China
Prior art keywords
oxide
wave
gaoshang
powder
carbide
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
CN202310665920.4A
Other languages
English (en)
Other versions
CN116655384B (zh
Inventor
宋绍雷
苏欣
刘园园
李雁
陈贵武
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.)
Xuzhou University of Technology
Original Assignee
Xuzhou University of Technology
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 Xuzhou University of Technology filed Critical Xuzhou University of Technology
Priority to CN202310665920.4A priority Critical patent/CN116655384B/zh
Publication of CN116655384A publication Critical patent/CN116655384A/zh
Application granted granted Critical
Publication of CN116655384B publication Critical patent/CN116655384B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped 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
    • C04B35/56—Shaped 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 carbides or oxycarbides
    • C04B35/563—Shaped 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 carbides or oxycarbides based on boron carbide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3817—Carbides
    • C04B2235/3826—Silicon carbides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3817—Carbides
    • C04B2235/3839—Refractory metal carbides
    • C04B2235/3843—Titanium carbides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
    • C04B2235/3873—Silicon nitrides, e.g. silicon carbonitride, silicon oxynitride
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422—Carbon
    • C04B2235/424—Carbon black
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects 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
    • C04B2235/6567—Treatment time
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/658—Atmosphere during thermal treatment
    • C04B2235/6581—Total pressure below 1 atmosphere, e.g. vacuum
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Ceramic Products (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

本发明涉及陶瓷技术领域，具体为一种耐高温高熵吸波陶瓷及其制备方法和应用，该陶瓷由以下摩尔配比的原料制得包括：氧化铝1份，氧化锆1份，氧化钛1份，氮化硅1份，碳化硼15份；碳化硅1份，碳化钛1份；高熵氧化物1份；硼硅酸铝1份,粘土1份,炭黑1份；有益效果为：本发明提出的将原料粉末在球磨罐中与无水乙醇进行混合，得到混合均匀的料浆，所得料浆进行干燥处理、过筛，得到混合粉末，将粉末进行煅烧，得到陶瓷粉体，混合时间为10～20h，每次将一种原料与无水乙醇混合，进行过滤步骤，然后加入另一种原料，最终将全部原料混合，煅烧温度为2100℃‑2300℃，煅烧时间为3‑4h，煅烧真空度控制为9‑16Pa，增强了氧化物陶瓷的红外发射率。

Description

一种耐高温高熵吸波陶瓷及其制备方法和应用
技术领域
本发明涉及陶瓷技术领域，具体为一种耐高温高熵吸波陶瓷及其制备方法和应用。
背景技术
目前，国内外广泛应用的红外防护材料主要是非氧化物陶瓷，如碳化硅或硼化硅，其红外发射率能够达到0.8至0.9左右，然而，这类非氧化物陶瓷存在抗氧化能力差的问题，无法在高温氧化气氛下长期保持稳定，导致热防护材料的热防护能力下降，影响飞行器服役的可靠性，另一方面，在高温氧化物体系红外辐射材料的开发方面，以堇青石陶瓷，铁酸盐非晶陶瓷，磁铅矿型六铝酸盐陶瓷等为代表的材料也得到了较大的关注，其红外发射率一般处于0.7至0.84之间，但是，总体而言，与碳化硅、硼化硅等非氧化物陶瓷相比，目前氧化物陶瓷在红外发射率方面尚有明显差距。
发明内容
本发明的目的在于提供一种耐高温高熵吸波陶瓷及其制备方法和应用，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：一种耐高温高熵吸波陶瓷，该陶瓷由以下摩尔配比的原料制得包括：
氧化铝1份，氧化锆1份，氧化钛1份，氮化硅1份，碳化硼15份；
碳化硅1份，碳化钛1份；
高熵氧化物1份；
硼硅酸铝1份,粘土1份,炭黑1份。
优选的，所述原料组分中氧化铝，氧化锆，氧化钛，氮化硅，碳化硼，碳化硅，碳化钛，高熵氧化物，硼硅酸铝,粘土,炭黑都为粉体。
优选的，所述氧化铝，氧化锆，氧化钛，氮化硅的纯度不低于99％，碳化硼，碳化硅，碳化钛，高熵氧化物的纯度不低于98％，硼硅酸铝,粘土,炭黑的纯度不低于98％，且所有的材料粉体可过150目筛。
优选的，所述氧化铝，氧化锆，氧化钛，氮化硅的颗粒小于2微米，碳化硼，碳化硅，碳化钛，高熵氧化物的颗粒小于3微米，硼硅酸铝,粘土,炭黑的颗粒小于2微米。
优选的，所述耐高温高熵吸波陶瓷最大吸波损耗为25-30dB，最大吸收频带宽为3.2-3.8GHz。
一种耐高温高熵吸波陶瓷的制备方法，包括以下步骤：
步骤一：将原料粉末在球磨罐中与无水乙醇进行混合，得到混合均匀的料浆；
步骤二：所得料浆进行干燥处理、过筛，得到混合粉末，将粉末进行煅烧，得到陶瓷粉体。
优选的，所述步骤1中，混合时间为10～20h。
优选的，所述步骤1多次进行，每次将一种原料与无水乙醇混合，进行过滤步骤，然后加入另一种原料，最终将全部原料混合，之后进行步骤2。
优选的，所述步骤2中，煅烧温度为2100℃-2300℃，煅烧时间为3-4h，步骤2中，煅烧真空度控制为9-16Pa。
一种耐高温高熵吸波陶瓷材料在吸波涂层中的应用。
与现有技术相比，本发明的有益效果是：
本发明提出的将原料粉末在球磨罐中与无水乙醇进行混合，得到混合均匀的料浆，所得料浆进行干燥处理、过筛，得到混合粉末，将粉末进行煅烧，得到陶瓷粉体，混合时间为10～20h，每次将一种原料与无水乙醇混合，进行过滤步骤，然后加入另一种原料，最终将全部原料混合，煅烧温度为2100℃-2300°C，煅烧时间为3-4h，煅烧真空度控制为9-16Pa，增强了氧化物陶瓷的红外发射率。
附图说明
图1为本发明衍射强度示意图；
图2为本发明吸收系数示意图。
具体实施方式
为了使本发明的目的、技术方案进行清楚、完整地描述，及优点更加清楚明白，以下结合附图对本发明实施例进行进一步详细说明。应当理解，此处所描述的具体实施例是本发明一部分实施例，而不是全部的实施例，仅仅用以解释本发明实施例，并不用于限定本发明实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1至图2，本发明提供一种技术方案：一种耐高温高熵吸波陶瓷，该陶瓷由以下摩尔配比的原料制得包括：氧化铝1份，氧化锆1份，氧化钛1份，氮化硅1份，碳化硼15份；碳化硅1份，碳化钛1份；高熵氧化物1份；硼硅酸铝1份,粘土1份,炭黑1份，原料组分中氧化铝，氧化锆，氧化钛，氮化硅，碳化硼，碳化硅，碳化钛，高熵氧化物，硼硅酸铝,粘土,炭黑都为粉体，氧化铝，氧化锆，氧化钛，氮化硅的纯度不低于99％，碳化硼，碳化硅，碳化钛，高熵氧化物的纯度不低于98％，硼硅酸铝,粘土,炭黑的纯度不低于98％，且所有的材料粉体可过150目筛，氧化铝，氧化锆，氧化钛，氮化硅的颗粒小于2微米，碳化硼，碳化硅，碳化钛，高熵氧化物的颗粒小于3微米，硼硅酸铝,粘土,炭黑的颗粒小于2微米，耐高温高熵吸波陶瓷最大吸波损耗为25-30dB，最大吸收频带宽为3.2-3.8GHz。
一种耐高温高熵吸波陶瓷的制备方法，包括以下步骤：步骤一：将原料粉末在球磨罐中与无水乙醇进行混合，得到混合均匀的料浆；步骤二：所得料浆进行干燥处理、过筛，得到混合粉末，将粉末进行煅烧，得到陶瓷粉体，步骤1中，混合时间为10～20h，步骤1多次进行，每次将一种原料与无水乙醇混合，进行过滤步骤，然后加入另一种原料，最终将全部原料混合，之后进行步骤2，步骤2中，煅烧温度为2100℃-2300℃，煅烧时间为3-4h，步骤2中，煅烧真空度控制为9-16Pa。
尽管上面对本申请说明性的具体实施方式进行了描述，以便于本技术领域的技术人员能够理解本申请，但是本申请不仅限于具体实施方式的范围，对本技术领域的普通技术人员而言，只要各种变化只要在所附的权利要求限定和确定的本申请精神和范围内，一切利用本申请构思的申请创造均在保护之列。

Claims (10)

1.一种耐高温高熵吸波陶瓷，其特征在于：该陶瓷由以下摩尔配比的原料制得包括：
氧化铝1份，氧化锆1份，氧化钛1份，氮化硅1份，碳化硼15份；
碳化硅1份，碳化钛1份；
高熵氧化物1份；
硼硅酸铝1份,粘土1份,炭黑1份。
2.根据权利要求1所述的一种耐高温高熵吸波陶瓷，其特征在于：所述原料组分中氧化铝，氧化锆，氧化钛，氮化硅，碳化硼，碳化硅，碳化钛，高熵氧化物，硼硅酸铝,粘土,炭黑都为粉体。
3.根据权利要求1所述的一种耐高温高熵吸波陶瓷，其特征在于：所述氧化铝，氧化锆，氧化钛，氮化硅的纯度不低于99％，碳化硼，碳化硅，碳化钛，高熵氧化物的纯度不低于98％，硼硅酸铝,粘土,炭黑的纯度不低于98％，且所有的材料粉体可过150目筛。
4.根据权利要求1所述的一种耐高温高熵吸波陶瓷，其特征在于：所述氧化铝，氧化锆，氧化钛，氮化硅的颗粒小于2微米，碳化硼，碳化硅，碳化钛，高熵氧化物的颗粒小于3微米，硼硅酸铝,粘土,炭黑的颗粒小于2微米。
5.根据权利要求1所述的一种耐高温高熵吸波陶瓷，其特征在于：所述耐高温高熵吸波陶瓷最大吸波损耗为25-30dB，最大吸收频带宽为3.2-3.8GHz。
6.根据权利要求1-5中任一项所述的一种耐高温高熵吸波陶瓷的制备方法，包括以下步骤：
步骤一：将原料粉末在球磨罐中与无水乙醇进行混合，得到混合均匀的料浆；
步骤二：所得料浆进行干燥处理、过筛，得到混合粉末，将粉末进行煅烧，得到陶瓷粉体。
7.根据权利要求6所述的一种耐高温高熵吸波陶瓷的制备方法，其特征在于，所述步骤1中，混合时间为10～20h。
8.根据权利要求6所述的一种耐高温高熵吸波陶瓷的制备方法，其特征在于，步骤1多次进行，每次将一种原料与无水乙醇混合，进行过滤步骤，然后加入另一种原料，最终将全部原料混合，之后进行步骤2。
9.根据权利要求6所述的一种耐高温高熵吸波陶瓷的制备方法，其特征在于，所述步骤2中，煅烧温度为2100℃-2300℃，煅烧时间为3-4h，步骤2中，煅烧真空度控制为9-16Pa。
10.权利要求1-5任一项所述的一种耐高温高熵吸波陶瓷材料在吸波涂层中的应用。
CN202310665920.4A 2023-06-07 2023-06-07 一种耐高温高熵吸波陶瓷及其制备方法和应用 Active CN116655384B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310665920.4A CN116655384B (zh) 2023-06-07 2023-06-07 一种耐高温高熵吸波陶瓷及其制备方法和应用

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310665920.4A CN116655384B (zh) 2023-06-07 2023-06-07 一种耐高温高熵吸波陶瓷及其制备方法和应用

Publications (2)

Publication Number Publication Date
CN116655384A true CN116655384A (zh) 2023-08-29
CN116655384B CN116655384B (zh) 2023-12-12

Family

ID=87716840

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310665920.4A Active CN116655384B (zh) 2023-06-07 2023-06-07 一种耐高温高熵吸波陶瓷及其制备方法和应用

Country Status (1)

Country Link
CN (1) CN116655384B (zh)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4760312A (en) * 1982-08-04 1988-07-26 Ngk Spark Plug Co., Ltd. Dense silicon carbide microwave absorber for electron linear accelerator
JPH10291861A (ja) * 1997-04-17 1998-11-04 Denki Kagaku Kogyo Kk セラミックス複合材料の製造方法
CN104341156A (zh) * 2014-10-17 2015-02-11 西安科技大学 一种碳化硅基复合材料吸收微波发热体组合物及其制备方法
WO2018177177A1 (zh) * 2017-03-31 2018-10-04 深圳光启高等理工研究院 吸波材料的制备方法和吸波涂料
CN209738442U (zh) * 2019-01-16 2019-12-06 3M中国有限公司 电池包用片材
CN112341199A (zh) * 2020-10-22 2021-02-09 航天材料及工艺研究所 一种高熵吸波碳化物陶瓷粉体材料、制备方法及其应用
CN112408409A (zh) * 2020-10-29 2021-02-26 航天材料及工艺研究所 一种耐高温高熵吸波陶瓷及其制备方法和应用
CN112521911A (zh) * 2020-10-29 2021-03-19 航天材料及工艺研究所 一种超高温吸波复合材料及其制备方法和应用
CN113072382A (zh) * 2021-04-22 2021-07-06 太仓派欧技术咨询服务有限公司 一种基于3d打印的宽频吸波材料及其制备方法
CN113149629A (zh) * 2021-03-11 2021-07-23 中国科学院上海硅酸盐研究所 一种耐高温过渡金属高熵氧化物吸波填料及其制备方法
CN115141020A (zh) * 2022-07-01 2022-10-04 南京工业大学 高韧性且宽频吸收电磁波的超层构仿生陶瓷的制备方法
US20230167029A1 (en) * 2022-04-28 2023-06-01 Zhejiang Normal University Ablation-resistant high-entropy carbide-high-entropy diboride-silicon carbide multiphase ceramic and preparation thereof

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4760312A (en) * 1982-08-04 1988-07-26 Ngk Spark Plug Co., Ltd. Dense silicon carbide microwave absorber for electron linear accelerator
JPH10291861A (ja) * 1997-04-17 1998-11-04 Denki Kagaku Kogyo Kk セラミックス複合材料の製造方法
CN104341156A (zh) * 2014-10-17 2015-02-11 西安科技大学 一种碳化硅基复合材料吸收微波发热体组合物及其制备方法
WO2018177177A1 (zh) * 2017-03-31 2018-10-04 深圳光启高等理工研究院 吸波材料的制备方法和吸波涂料
CN209738442U (zh) * 2019-01-16 2019-12-06 3M中国有限公司 电池包用片材
CN112341199A (zh) * 2020-10-22 2021-02-09 航天材料及工艺研究所 一种高熵吸波碳化物陶瓷粉体材料、制备方法及其应用
CN112408409A (zh) * 2020-10-29 2021-02-26 航天材料及工艺研究所 一种耐高温高熵吸波陶瓷及其制备方法和应用
CN112521911A (zh) * 2020-10-29 2021-03-19 航天材料及工艺研究所 一种超高温吸波复合材料及其制备方法和应用
CN113149629A (zh) * 2021-03-11 2021-07-23 中国科学院上海硅酸盐研究所 一种耐高温过渡金属高熵氧化物吸波填料及其制备方法
CN113072382A (zh) * 2021-04-22 2021-07-06 太仓派欧技术咨询服务有限公司 一种基于3d打印的宽频吸波材料及其制备方法
US20230167029A1 (en) * 2022-04-28 2023-06-01 Zhejiang Normal University Ablation-resistant high-entropy carbide-high-entropy diboride-silicon carbide multiphase ceramic and preparation thereof
CN115141020A (zh) * 2022-07-01 2022-10-04 南京工业大学 高韧性且宽频吸收电磁波的超层构仿生陶瓷的制备方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张乃艳等: "《工程伪装材料》", 西北工业大学出版社 *

Also Published As

Publication number Publication date
CN116655384B (zh) 2023-12-12

Similar Documents

Publication Publication Date Title
CA1059160A (en) Method of preparing crack-free monolithic polycrystalline cordierite substrates
EP0197645B2 (en) High-strength high surface area catalyst supports and a method of producing the same
CN112408984B (zh) 一种耐高温近红外吸收高熵陶瓷及其制备方法
CN106966733B (zh) 一种微波碳化硅陶瓷发热体及其制备方法
US20120276365A1 (en) Refractory Porous Ceramics
JP2011236120A (ja) β−ユークリプタイトと酸化物とに基づくセラミックス複合材および該複合材の製造方法
CN105948748A (zh) 一种硅硼碳氮锆陶瓷复合材料及其制备方法
CN111470864B (zh) 一种硅基温度稳定型微波介质陶瓷材料及其制备方法
CN116655384B (zh) 一种耐高温高熵吸波陶瓷及其制备方法和应用
CN109704764A (zh) 中介电高q微波介电陶瓷材料、陶瓷体及其制备方法
CN110483046B (zh) 一种高发射率红外节能材料以及制备方法
CN113213932A (zh) 一种钙钐钛系微波介质陶瓷及其制备方法
CN105669195B (zh) 低介电常数高q值微波介质陶瓷材料及其制备方法
CN106084902B (zh) 一种高红外辐射粉体及其制备方法
JPH0388762A (ja) ムライト・コーディエライト複合セラミックスの製造方法
JPH06107456A (ja) 透光性イットリウム−アルミニウム−ガーネット焼結体の製造方法
JPH04333619A (ja) 高純度アルミナ繊維成形体の製造方法
CN113354409A (zh) 微波介质陶瓷及其制备方法
CN115433007B (zh) 一种太阳能光谱宽频吸收材料及其制备方法
CN102633494A (zh) 一种宽波段内具有高红外辐射率的粉体材料及其制备方法
CN102795855B (zh) 一种利用微波法制备Y4Si2O7N2粉体材料的方法
CN111943673B (zh) 一种低温烧结bnt微波介质材料及其制备方法
CN111732413A (zh) 一种高强度电瓷材料及其制备方法
CN103342383A (zh) 一种微波介质陶瓷材料的制备方法
CN112079632A (zh) 一种β相锂霞石陶瓷粉体、制备方法及其应用

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