CN113372096B - 低温常压烧结碳化硅复合陶瓷的制备方法、及其制得的碳化硅复合陶瓷制品和应用 - Google Patents
低温常压烧结碳化硅复合陶瓷的制备方法、及其制得的碳化硅复合陶瓷制品和应用 Download PDFInfo
- Publication number
- CN113372096B CN113372096B CN202010158425.0A CN202010158425A CN113372096B CN 113372096 B CN113372096 B CN 113372096B CN 202010158425 A CN202010158425 A CN 202010158425A CN 113372096 B CN113372096 B CN 113372096B
- Authority
- CN
- China
- Prior art keywords
- silicon carbide
- carbide composite
- composite ceramic
- mixed raw
- pressure
- 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.)
- Active
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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
-
- 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
- C04B33/00—Clay-wares
- C04B33/32—Burning methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/14—Coatings characterised by the materials used by ceramic or vitreous materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/10—Rigid pipes of glass or ceramics, e.g. clay, clay tile, porcelain
-
- 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
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
-
- 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
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3213—Strontium oxides 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3215—Barium oxides 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
- C04B2235/32—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
- C04B2235/3248—Zirconates or hafnates, e.g. zircon
-
- 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
- C04B2235/3284—Zinc oxides, zincates, cadmium oxides, cadmiates, mercury oxides, mercurates 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
- C04B2235/3472—Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
-
- 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
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
-
- 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
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
-
- 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
-
- 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
-
- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
- C04B2235/9692—Acid, alkali or halogen resistance
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Ceramic Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
本发明公开了一种低温常压烧结碳化硅复合陶瓷的制备方法、及其制得的碳化硅复合陶瓷制品和应用,涉及碳化硅复合陶瓷制备技术领域。碳化硅复合陶瓷的制备方法包括以下步骤:将混合原料浆料经中低压注浆成型、压滤脱水练泥挤出成型、喷雾干燥造粒得到的粉体进行干压成型或造粒粉体加水捏合后练泥挤出成型得到碳化硅复合陶瓷坯体,坯体经干燥脱水后,经低温常压烧结,得到碳化硅复合陶瓷;混合原料浆料是混合原料加水研磨后得到,混合原料包括如下组分:碳化硅、氧化铝、锆英粉、粘土、烧结助剂、添加剂。本发明制得的陶瓷具有高强度、高硬度和高抗热冲击的优点,可广泛应用于机械、化工领域,工艺简单、成本低,自动化程度高,易于实现工业化生产。
Description
技术领域
本发明涉及低温常压烧结碳化硅复合陶瓷制备技术领域,具体而言,涉及一种低温常压烧结碳化硅复合陶瓷的制备方法、其制得的碳化硅复合陶瓷制品及其在化工陶瓷泵、耐高温耐磨耐腐蚀化工管道、耐高温耐磨气粉机陶瓷内村等装置构件应用。
背景技术
碳化硅陶瓷具有高温强度大、硬度高、化学稳定性好、高热导率等优良性能,在机械、化工、能源等领域得到了大量应用。但碳化硅作为一种典型的共价键结合的陶瓷材料很难烧结,使碳化硅陶瓷的生产成本高昂,较大程度的制约了碳化硅陶瓷的规模化应用。
在不同的领域中应用的碳化硅陶瓷材料对性能有不同的要求,需要不同的制备方法。目前,碳化硅陶瓷的制备方法可分为:反应烧结、常压烧结和热压烧结碳化硅等几大类。反应烧结法也称自结合法或渗硅法,它是用α-SiC和石墨粉按一定比例混合制成坯体,加热到1650℃左右,通过液相或气相将Si渗入坯体,使之与石墨反应生成β-SiC,同时把原先的α-SiC颗粒结合起来,来达到致密化,但反应烧结的产品中有8-10%左右的游离硅,不耐强碱和氢氟酸,不能应用在强酸强碱的化工生产环境中。热压烧结,将SiC粉末加入添加剂,置于石墨模具中,在1950℃和200MPa以上压力下进行烧结,从而获得理论密度的碳化硅制品。从性能上来看,热压烧结的碳化硅陶瓷具有很高的烧结密度、抗弯强度和断裂韧性。但是热压烧结的过程中必须对素坯进行包封,因此无法批量生产,限制了其在工业化生产中的应用。因此,在体系中添加烧结助剂并在常压下烧结的方法就成为了最有希望的制备高性能碳化硅陶瓷的工业生产方法。
根据烧结助剂在烧结过程中的状态,常压烧结还可以分为固相烧结和液相烧结。固相烧结通常在体系中加入适量的碳化硼和碳,而液相烧结则加入适量的助熔剂而在烧结时呈液态。相对而言,液相常压烧结方法具有更低的烧结温度,可在常压下实现碳化硅陶瓷的致密化烧结,适用于不同形状、复杂结构制品的烧结,是一种成本较低、容易实现批量化工业生产的烧结方法。由于碳化硅陶瓷在烧结时扩散速率较低,因此常压烧结对粉体的要求较为严格,大多采用粒径D50约为0.5μm、粒度分布较为均匀的超细粉体进行烧结,才能实现碳化硅陶瓷的烧结致密化。但超细粉体制备成本高,且随着比表面积的增大,在处理时极易氧化,因此要对粗颗粒和细颗粒碳化硅粉体组分予以控制。
市场调查,国内渣浆泵的过流部件的制造基本上都采用金属材料。金属泵由于其主要成分为有色金属,价格高昂,并且在稀硫酸、含氯离子等卤族元素的强氧化介质中同样发生腐蚀,不能满足工况条件的需要,使用寿命也很短;氟塑料、高分子量的聚乙烯等工程塑料材料尽管有优异的耐腐蚀性能,但材料本身机械强度不高,一般是和金属材料进行复合作用,由于此类材料和金属材料的热膨胀系数不一样,在温度比较高的介质中会造成塑料和金属材料的剥离,从而也会使泵零件损坏,因此限制了此材料的使用温度,并且塑料材料本身较软,不能用于含固体颗粒物较多的介质使用,此材料一般为模压成型,高昂的模具费用也限制了此材料用于大泵的制造。(金属材料耐磨但不耐腐蚀,橡胶材料耐腐蚀但不耐磨)。另一方面,传统的化工陶瓷材料由于热稳定性差,工作震动、在介质较高温度的工况下开车、停车启动时容易开裂渗漏,泵机使用寿命有限。
由于碳化硅陶瓷材料的特性,因此,所期望的是提供一种低成本、可大规模工业化生产且高性能的低温烧结碳化硅复合陶瓷生产工艺,能够解决上述问题中的至少一个。有鉴于此,特提出本发明。
发明内容
本发明的目的在于提供一种低温常压烧结碳化硅复合陶瓷的制备方法,该方法具有制备工艺简单、适应于不同形状、复杂结构、生产效率高、低成本,生产的产品具有较高的强度、耐磨耐腐蚀、耐高温和较强抗热冲击,可广泛应用于机械、冶金,化工,能源等行业,特别在耐磨耐腐蚀化工陶瓷泵、管道,气流粉碎机等装置构件上。
本发明的技术方案如下:
一种低温常压烧结碳化硅复合陶瓷的制备方法,包括以下步骤:将混合原料浆经中低压注浆成型、压滤脱水混练挤出成型、喷雾干燥造粒得到的粉体进行半干压成型或造粒粉体加水混练挤出成型得到碳化硅复合陶瓷坯体,坯体经干燥脱水后经1250-1400℃常压烧结3-10h,得到碳化硅复合陶瓷;
其中,所述混合原料浆料经混合原料加水研磨后得到,混合原料包括如下组分:碳化硅10-30%、氧化铝20-40%、锆英粉1-10%、粘土20-40%、烧结助剂10-20%,添加剂0.5-5%,按质量百分比计数。
混合原料组分为:碳化硅15-25%、氧化铝25-35%、锆英粉3.0-5.0%、粘土25-35%、烧结助剂10-15%,添加剂0.5-3.0%。
所述碳化硅包括多种粒径级配,其中大颗粒粒径为10.0-20.0μm,优选为10.0-15.0μm,中颗粒粒径为2.0-10.0μm,优选为2.0-5.0μm,小颗粒粒径为0.2-2.0μm,优选为0.5-1.0μm,质量比按碳化硅大颗粒:中颗粒:小颗粒=(1-3):(2-5):(10-15);所述氧化铝的粒径为2.0-15μm,优选为5.0-10μm;所述锆英粉的粒径为2.0-15μm,优选为5.0-10μm;所述烧结助剂的粒径为10-150μm,优选为20-100μm;所述粘土的形貌,主要是提纯块或粉体,其中提纯块各向尺寸≤20cm,加工粉体粒径2.0-100μm,优选为30-50μm。
所述烧结助剂包括碱(土)金属氧化物及其硅酸盐矿物、碳酸盐矿物或含锂矿物中的一种或几种;
优选为,方解石、碳酸锶、碳酸钡、钛白粉、氧化锌以及钾钠长石,或,白云石、碳酸锶、碳酸钡、钛白粉、氧化锌以及锂辉石的组合;
优选为,方解石、碳酸锶、碳酸钡、钛白粉、氧化锌以及钾钠长石质量比为(1-2):(1-2):(1-2):(1-2):(1-2):(5-10),或,白云石、碳酸锶、碳酸钡、钛白粉、氧化锌以及锂辉石质量比为(1-2):(1-2):(1-2):(1-2):(1-2):(5-10)。
一种低温常压烧结碳化硅复合陶瓷,采用所述的低温常压烧结碳化硅复合陶瓷的制备方法制备得到。
一种低温常压烧结碳化硅复合陶瓷在耐高温耐磨耐腐蚀陶瓷泵及配件、耐高温耐磨耐酸碱化工管道、耐高温耐磨气粉机陶瓷内衬领域中的应用。
一种陶瓷制品,采用所述的低温常压烧结碳化硅复合陶瓷制备得到;所述陶瓷制品包括:耐高温耐磨耐腐蚀陶瓷泵泵壳、叶轮、泵盖,耐高温耐磨耐酸碱化工管道,耐高温耐磨耐酸碱气粉机陶瓷内衬。
根据陶瓷制品及应用的成型工艺的不同,混合原料和水的质量比包括以下分类:
由以上表格可知,根据不同陶瓷制品,选择不同成型工艺:1)若陶瓷制品为陶瓷泵及配件、异形管,则成型工艺选择:抽真空,中低压力注浆,所述混合原料与水的质量比为1:(0.40-0.5),优选为1:(0.40-0.45);2)若陶瓷制品为:输浆直管、气粉机直管,则成型工艺选择:压滤脱水,练泥挤出,所述混合原料与水的质量比为1:(0.40-0.8),优选为1:(0.50-0.60);3)若陶瓷制品为气粉机内衬弯板,则成型工艺选择:喷雾造粒,半干模压,所述混合原料与水的质量比为1:(0.80-1.2),优选为1:(0.80-1.00);4)若陶瓷制品为输浆直管、气粉机直道,则成型工艺选择喷雾造粒,练泥挤出,所述混合原料与水的质量比为1:(0.80-1.2),优选为1:(0.80-1.00)。
根据陶瓷制品及应用的成型工艺的不同,工艺参数包括以下分类:
由以上表格可知,根据不同陶瓷制品,选择不同成型工艺以及工艺参数:1)若陶瓷制品为陶瓷泵及配件、异形管,则成型工艺选择:抽真空,中低压力注浆,成型压力为0.2-0.4Mpa,保压时间为180-360min;2)若陶瓷制品为:输浆直管、气粉机直管,则成型工艺选择:压滤脱水,练泥挤出,成型压力为0.5-1.5Mpa,保压时间为1-5min;3)若陶瓷制品为气粉机内衬弯板,则成型工艺选择:喷雾造粒,半干模压,成型压力为10-30Mpa,保压时间为1-5min;4)若陶瓷制品为输浆直管、气粉机直道,则成型工艺选择喷雾造粒,练泥挤出,成型压力为0.5-1.5Mpa,保压时间为1-5min。
所述碳化硅复合陶瓷通过以下具体方式实现:
(a)将混合原料加水研磨8-20h,得到混合原料浆料;其中,混合原料包括质量百分比的如下组分:碳化硅粉体15-25%、氧化铝30-40%、锆英粉1-5%、粘土25-35%、烧结助剂10-15%,添加剂0.5-2%;混合原料和水的质量比如权利要求8所述;
(b)成型:方法一,如陶瓷制品为陶瓷泵及配件、异形管,则成型工艺为:抽真空,中低压力注浆,具体步骤为:将步骤(a)中所得混合原料浆料先抽真空排气后,此时混合原料浆料含水率优选为28-31%,再通过空压装置提供0.2-0.4MPa压力送浆进入高强石膏或高分子树脂模型并保压180-450min,得到低温烧结碳化硅复合陶瓷坯体;
方法二,如陶瓷制品为输浆直管、气粉机直管则成型工艺为:压滤脱水,练泥挤出,具体步骤为:将步骤(a)中含水率为33-38%混合原料浆料,通过压滤脱水后练泥、遮盖陈腐1-5天后,通过挤出机成型,成型压力0.5-1.5MPa,保压1-5min,得到低温烧结碳化硅复合陶瓷坯体;
方法三,如陶瓷制品为气粉机内衬弯板则成型工艺为喷雾造粒,练泥挤出,具体步骤为:将步骤(a)中含水率为45-50%混合原料浆料通过喷雾干燥造粒,得到含水率2-7%的粉体,粉体加水15-20%捏合练泥、陈腐1-5天后,通过挤出机成型,成型压力0.5-1.5MPa,保压1-5min,得到低温烧结碳化硅复合陶瓷坯体;
方法四,如陶瓷制品为输浆直管、气粉机直道则成型工艺为喷雾造粒,半干模压,具体步骤为:将步骤(a)中含水率为45-50%的混合原料浆料进行喷雾干燥造粒,得到含水率为2-7%的粉体,将粉体放入模具内在10-30MPa压力下进行半干压成型,保压1-5min,得到低温烧结碳化硅复合陶瓷坯体;
(c)将步骤(b)得到的坯体自然干燥或风吹干燥5-10天;
(d)将步骤(c)得到的坯体在40-80℃下干燥10-24h,含水率2-6%,加工毛白坯烘干;
(e)将步骤(d)得到的坯体在电窑、梭式窑或隧道窑经1250-1400℃常压烧结3-10h,得到低温烧结碳化硅复合陶瓷。
本发明有益的技术效果在于:
(1)本公开低温常压烧结碳化硅复合陶瓷的制备方法利用向碳化硅材料中添加氧化铝和锆英粉来补强增韧。并通过粘土和碱(土)金属氧化物及其碳酸盐作为烧结助剂提供高温液相促进烧结。通过碳化硅粗、细颗粒搭配,既提供了超细粉体的易烧结性,又提供了粗颗粒抗氧化性,可以通过中低压注浆、半干模压、挤出等多种成型工艺,适应于不同形状、复杂结构产品、生产效率高、尤其是提供了低温常压烧结碳化硅复合陶瓷的可能,摆脱了碳化硅复合陶瓷烧结对特殊保护性气氛炉或真空炉的束缚,制得的碳化硅复合陶瓷具有较高强度、较高硬度、较高抗热震性和较高耐磨耐腐蚀的优点,大大降低了比重,体积密度在2.6~2.8g/cm3,轻量化的同时降低了成本,抗弯强度≥90-120MPa,耐酸度≥99.6%,△T≥150-250℃水冷十次以上不开裂,应用前景广泛。
其中,碳化硅是一种共价键化合物,通常采取超微粉(亚微米或纳米级)、热压以及保护性气氛烧结(超微粉能提升烧结活性,但越细越容易在高温下发生氧化,这也是惰性气氛烧结原因);本发明中的“粗细搭配”主要是利用碳化硅细颗粒在高温下具有烧结活性促进烧结,粗颗粒难烧结而具有一定的抗氧化性(抗氧化性是在碳化硅颗粒表面形成一层氧化膜层以阻止进一步氧化),本发明通过合理搭配形成了一个连续地碳化硅颗粒尺度,在高温液相下通过粗颗粒包围并吸收氧分压并形成氧化膜层以阻止细颗粒进一步氧化并黏结;同时,通过碳化硅颗粒粗细搭配既提供超细颗粒的烧结活性又提供粗颗粒的抗氧化性以达到低温常压不需要保护性气氛(也不需要埋烧创造保护性气氛)即可烧结不同陶瓷制品的不同成型方式的碳化硅复合陶瓷制品及其应用来达到既促进烧结又保留碳化硅颗粒结构提升复合材料性能。
(2)本公开碳化硅复合陶瓷的制备方法工艺简单,成本低,自动化程度高,易于实现工业化生产,经济和社会效益明显。
具体实施方式
下面结合实施例,对本发明进行具体描述。
实施例1
将粗颗粒碳化硅粉(W15μm)1kg、中颗粒(W5μm)1.5kg、细颗粒(W0.5μm)5kg,氧化铝粉15kg、锆英粉1.5kg、粘土19kg、烧结助剂10kg(其中白云石、碳酸锶、碳酸钡、钛白粉、氧化锌各1kg,锂辉石5kg)、添加剂0.8kg(其中纯碱、水玻璃各0.25kg,氨水0.15kg,消泡剂0.15kg),水23kg,进行球磨制浆(控制球磨混料时间、球磨机转速、球料比,制得适用于注浆成型的浆料,具体为:采用球径10-60mm、氧化铝含量≥95%的陶瓷球作为球磨介质,球料比1.5:1,球磨混料时间10小时,球磨机转速为50r/min),然后将浆料过60目筛后,先抽真空排气后,再通过空压装置提供0.2MPa压力送浆进入陶瓷泵壳(泵盖)高强石膏模型并保压4.5h,得到泥坯;修坯晾干5天后送烘房50-60℃烘干1天后,控制水份2-7%加工毛白坯,将毛白坯送62.8米氧化气氛隧道窑1280℃保温4.5h,冷却后得到烧结碳化硅复合陶瓷泵壳(泵盖)。本实施例中,添加剂纯碱、水玻璃、消泡剂、氨水等均为市购。
该碳化硅复合陶瓷的体积密度为2.60-2.80g/cm3,抗弯强度≥90MPa,耐酸度≥99.6%,耐温差急变性:水冷△T≥150℃,10次不开裂,常温耐磨性:≤3cc,气孔率≤3%。
实施例2
将粗颗粒碳化硅粉(W15μm)0.5kg、中颗粒(W5μm)1kg、细颗粒(W0.5μm)7.5kg,氧化铝粉15kg、锆英粉2.5kg、粘土16.5kg、烧结助剂10kg(其中白云石、碳酸锶、碳酸钡、钛白粉、氧化锌各1kg,锂辉石5kg)、添加剂0.8kg((其中纯碱、水玻璃各0.25kg,氨水0.15kg,消泡剂0.15kg),水23kg,进行球磨制浆(控制球磨混料时间、球磨机转速、球料比,制得适用于注浆成型的浆料,具体为:采用球径10-60mm、氧化铝含量≥95%的陶瓷球作为球磨介质,球料比1.5:1,球磨混料时间10小时,球磨机转速为50r/min),然后将浆料过60目筛后,先抽真空排气后,再通过空压装置提供0.2MPa压力送浆进入陶瓷叶轮高强石膏模型并保压3.5h,得到泥坯;修坯晾干5天后送烘房50-60℃烘干1天后,~控制水份2-5%,加工毛白坯,将毛白坯送62.8米氧化气氛隧道窑1300℃保温4.5h,冷却后得到烧结碳化硅复合陶瓷叶轮。本实施例中,添加剂纯碱、水玻璃、消泡剂、氨水等均为市购。
该碳化硅复合陶瓷的体积密度为2.60-2.80g/cm3,抗弯强度≥120MPa,耐酸度≥99.7%,耐温差急变性:水冷△T≥180℃,10次不开裂,常温耐磨性≤3cc,气孔率≤5%。
实施例3
将粗颗粒碳化硅粉(W15μm)1.5kg、中颗粒(W5μm)3kg、细颗粒(W0.5μm)4.5kg,氧化铝粉15kg、锆英粉2.5kg、粘土16.5kg、烧结助剂10kg(其中白云石、碳酸锶、碳酸钡、钛白粉、氧化锌各1kg,锂辉石5kg)、添加剂0.8kg(其中聚乙烯醇和水溶性酚醛树脂各0.35kg,油酸0.1kg),水50kg,进行球磨制浆(控制球磨混料时间、球磨机转速、球料比,制得适用于注浆成型的浆料,具体为:采用球径10-60mm氧化铝含量≥95%的陶瓷球作为球磨介质,球料比1.5:1,球磨混料时间10小时,球磨机转速为50r/min),然后将浆料过60目筛后,用喷雾干燥造粒机进行喷雾干燥造粒,得到造粒粉,工艺参数为:喷头喷雾频率15Hz,进口温度为150℃,出口温度为105℃得到造粒粉;所得造粒粉采用25MPa半干压法成型得到气流粉碎机陶瓷内衬弯板坯体;将坯体送50-60℃烘房烘干,将烘干白坯送62.8米氧化气氛隧道窑1330℃保温4.5h,冷却后得到烧结碳化硅复合陶瓷气流粉碎机内衬弯板。本实施例中,添加剂聚乙烯醇、油酸和水溶性酚醛树脂等均为市购。
该碳化硅复合陶瓷的体积密度为2.60-2.80g/cm3,抗弯强度≥120MPa,耐酸度≥99.7%,耐温差急变性:水冷△T≥250℃,10次不开,常温耐磨性≤3cc,气孔率≤10%。
Claims (10)
1.一种低温常压烧结碳化硅复合陶瓷的制备方法,其特征在于,包括以下步骤:将混合原料浆料 经中低压注浆成型、压滤脱水混练挤出成型、喷雾干燥造粒得到的粉体进行半干压成型或造粒粉体加水混练挤出成型得到碳化硅复合陶瓷坯体,坯体经干燥脱水后经1250-1400℃常压烧结3-10h,得到碳化硅复合陶瓷;
其中,所述混合原料浆料经混合原料加水研磨后得到,混合原料包括如下组分:碳化硅10-30%、氧化铝20-40%、锆英粉1-10%、粘土20-40%、烧结助剂10-20%,添加剂0.5-5%,按质量百分比计数;
所述碳化硅包括多种粒径级配,其中大颗粒粒径为10.0-20.0μm,中颗粒粒径为2.0-10.0μm,小颗粒粒径为0.2-2.0μm,质量比按碳化硅大颗粒:中颗粒:小颗粒=(1-3):(2-5):(10-15);
所述烧结助剂包括碱金属氧化物及其硅酸盐矿物、碱土金属氧化物及其硅酸盐矿物、碱金属氧化物及其碳酸盐矿物、碱土金属氧化物及其碳酸盐矿物、碱金属氧化物及其含锂矿物、碱土金属氧化物及其含锂矿物中的一种或几种;
所述添加剂为纯碱、水玻璃、消泡剂和氨水组成的混合物或者剂聚乙烯醇、油酸和水溶性酚醛树脂组成的混合物。
2.根据权利要求1所述的低温常压烧结碳化硅复合陶瓷的制备方法,其特征在于,混合原料组分为:碳化硅15-25%、氧化铝25-35%、锆英粉3.0-5.0%、粘土25-35%、烧结助剂10-15%,添加剂0.5-3.0%。
3.根据权利要求1所述的低温常压烧结碳化硅复合陶瓷的制备方法,其特征在于,所述碳化硅包括多种粒径级配,其中大颗粒粒径为10.0-15.0μm,中颗粒粒径为2.0-5.0μm,小颗粒粒径为0.5-1.0μm;所述氧化铝的粒径为2.0-15μm;所述锆英粉的粒径为2.0-15μm;所述烧结助剂的粒径为10-150μm;所述粘土的形貌,主要是提纯块或粉体,其中提纯块各向尺寸≤20cm,加工粉体粒径2.0-100μm。
4.根据权利要求1所述的低温常压烧结碳化硅复合陶瓷的制备方法,其特征在于,所述烧结助剂为,方解石、碳酸锶、碳酸钡、钛白粉、氧化锌以及钾钠长石,或,白云石、碳酸锶、碳酸钡、钛白粉、氧化锌以及锂辉石的组合;
方解石、碳酸锶、碳酸钡、钛白粉、氧化锌以及钾钠长石质量比为(1-2):(1-2):(1-2):(1-2):(1-2):(5-10),或,白云石、碳酸锶、碳酸钡、钛白粉、氧化锌以及锂辉石质量比为(1-2):(1-2):(1-2):(1-2):(1-2):(5-10)。
5.一种低温常压烧结碳化硅复合陶瓷,其特征在于,采用权利要求1-4任一项所述的低温常压烧结碳化硅复合陶瓷的制备方法制备得到。
6.一种权利要求5所述的低温常压烧结碳化硅复合陶瓷在耐高温耐磨耐腐蚀陶瓷泵及配件、耐高温耐磨耐酸碱化工管道、耐高温耐磨气粉机陶瓷内衬领域中的应用。
7.根据权利要求6中所述碳化硅复合陶瓷的应用,其特征在于,根据陶瓷制品及应用的成型工艺的不同,混合原料和水的质量比包括以下分类:
当用于陶瓷泵及配件、异形管时,成型工艺采用抽真空,中低压力注浆;混合原料与水的质量比为1:(0.40-0.5);
当用于输浆直管、气粉机直管时,成型工艺采用压滤脱水,练泥挤出;混合原料与水的质量比为1:(0.40-0.8);
当用于气粉机内衬弯板时,成型工艺采用喷雾造粒,半干模压;混合原料与水的质量比为1:(0.80-1.2);
当用于输浆直管、气粉机直道时,成型工艺采用喷雾造粒,练泥挤出;混合原料与水的质量比为1:(0.80-1.2)。
8.根据权利要求6中所述碳化硅复合陶瓷的应用,其特征在于,根据陶瓷制品及应用的成型工艺的不同,工艺参数包括以下分类:
当用于陶瓷泵及配件、异形管时,成型工艺采用抽真空,中低压力注浆;成型压力为0.2-0.4Mpa,保压时间为180-360min;
当用于输浆直管、气粉机直管时,成型工艺采用压滤脱水,练泥挤出;成型压力为0.5-1.5Mpa,保压时间为1-5min;
当用于气粉机内衬弯板时,成型工艺采用喷雾造粒,半干模压;成型压力为10-30Mpa,保压时间为1-5min;
当用于输浆直管、气粉机直道时,成型工艺采用喷雾造粒,练泥挤出;成型压力为0.5-1.5Mpa,保压时间为1-5min。
9.根据权利要求7或8中任一项所述碳化硅复合陶瓷的应用,其特征在于,所述碳化硅复合陶瓷通过以下具体方式实现:
(a)将混合原料加水研磨8-20h,得到混合原料浆料;其中,混合原料包括质量百分比的如下组分:碳化硅粉体15-25%、氧化铝30-40%、锆英粉1-5%、粘土25-35%、烧结助剂10-15%,添加剂0.5-2%;混合原料和水的质量比如权利要求8所述;
(b)成型:方法一,如陶瓷制品为陶瓷泵及配件、异形管,则成型工艺为:抽真空,中低压力注浆,具体步骤为:将步骤(a)中所得混合原料浆料先抽真空排气后,此时混合原料浆料含水率为28-31%,再通过空压装置提供0.2-0.4MPa压力送浆进入高强石膏或高分子树脂模型并保压180-450min,得到低温烧结碳化硅复合陶瓷坯体;
方法二,如陶瓷制品为输浆直管、气粉机直管则成型工艺为:压滤脱水,练泥挤出,具体步骤为:将步骤(a)中含水率为33-38%混合原料浆料,通过压滤脱水后练泥、遮盖陈腐1-5天后,通过挤出机成型,成型压力0.5-1.5MPa,保压1-5min,得到低温烧结碳化硅复合陶瓷坯体;
方法三,如陶瓷制品为气粉机内衬弯板则成型工艺为喷雾造粒,练泥挤出,具体步骤为:将步骤(a)中含水率为45-50%混合原料浆料通过喷雾干燥造粒,得到含水率2-7%的粉体,粉体加水15-20%捏合练泥、陈腐1-5天后,通过挤出机成型,成型压力0.5-1.5MPa,保压1-5min,得到低温烧结碳化硅复合陶瓷坯体;
方法四,如陶瓷制品为输浆直管、气粉机直道则成型工艺为喷雾造粒,半干模压,具体步骤为:将步骤(a)中含水率为45-50%的混合原料浆料进行喷雾干燥造粒,得到含水率为2-7%的粉体,将粉体放入模具内在10-30MPa压力下进行半干压成型,保压1-5min,得到低温烧结碳化硅复合陶瓷坯体;
(c)将步骤(b)得到的坯体自然干燥或风吹干燥5-10天;
(d)将步骤(c)得到的坯体在40-80℃下干燥10-24h,含水率2-6%,加工毛白坯烘干;
(e)将步骤(d)得到的坯体在电窑、梭式窑或隧道窑经1250-1400℃常压烧结3-10h,得到低温烧结碳化硅复合陶瓷。
10.一种陶瓷制品,其特征在于,采用权利要求5所述的低温常压烧结碳化硅复合陶瓷制备得到;所述陶瓷制品包括:耐高温耐磨耐腐蚀陶瓷泵泵壳、叶轮、泵盖,耐高温耐磨耐酸碱化工管道,耐高温耐磨耐酸碱气粉机陶瓷内衬。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010158425.0A CN113372096B (zh) | 2020-03-09 | 2020-03-09 | 低温常压烧结碳化硅复合陶瓷的制备方法、及其制得的碳化硅复合陶瓷制品和应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010158425.0A CN113372096B (zh) | 2020-03-09 | 2020-03-09 | 低温常压烧结碳化硅复合陶瓷的制备方法、及其制得的碳化硅复合陶瓷制品和应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113372096A CN113372096A (zh) | 2021-09-10 |
CN113372096B true CN113372096B (zh) | 2022-08-02 |
Family
ID=77568520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010158425.0A Active CN113372096B (zh) | 2020-03-09 | 2020-03-09 | 低温常压烧结碳化硅复合陶瓷的制备方法、及其制得的碳化硅复合陶瓷制品和应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113372096B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115626812A (zh) * | 2022-11-11 | 2023-01-20 | 江苏省宜兴非金属化工机械厂有限公司 | 一种利用堇青石质蜂窝陶瓷废料制备低成本高性能陶瓷叶轮的方法 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101555143A (zh) * | 2009-05-12 | 2009-10-14 | 宁波欧翔精细陶瓷技术有限公司 | 常压烧结碳化硅陶瓷的制备方法 |
CN101560105A (zh) * | 2009-06-01 | 2009-10-21 | 浙江大学 | 二元纳米协同强化增韧碳化硅陶瓷及其制备方法 |
CN101560104A (zh) * | 2009-05-12 | 2009-10-21 | 宁波欧翔精细陶瓷技术有限公司 | 碳化硅陶瓷管或棒的制备方法 |
CN105294108A (zh) * | 2015-12-03 | 2016-02-03 | 中国兵器科学研究院宁波分院 | 低成本常压烧结碳化硅陶瓷的制备方法 |
CN106431414A (zh) * | 2016-09-29 | 2017-02-22 | 连云港东渡碳化硅有限公司 | 一种无压烧结碳化硅陶瓷的制备方法 |
CN106830944A (zh) * | 2017-03-16 | 2017-06-13 | 北京中兴实强陶瓷轴承有限公司 | 一种陶瓷复合材料及其烧制方法和应用 |
CN106904974A (zh) * | 2017-04-20 | 2017-06-30 | 石婷 | 常压固相烧结碳化硅陶瓷异形件及其制造方法 |
CN107541634A (zh) * | 2016-06-24 | 2018-01-05 | 北京海洋润达石油设备有限公司 | 一种碳化硅增韧耐磨陶瓷缸套及其制备方法 |
CN108218433A (zh) * | 2016-12-13 | 2018-06-29 | 刘明明 | 一种碳化硅粉体的喷雾造粒方法 |
CN109180192A (zh) * | 2018-10-29 | 2019-01-11 | 山东宝纳新材料有限公司 | 碳化硅复合陶瓷的制备方法、其制得的碳化硅复合陶瓷和应用以及陶瓷制品 |
-
2020
- 2020-03-09 CN CN202010158425.0A patent/CN113372096B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101555143A (zh) * | 2009-05-12 | 2009-10-14 | 宁波欧翔精细陶瓷技术有限公司 | 常压烧结碳化硅陶瓷的制备方法 |
CN101560104A (zh) * | 2009-05-12 | 2009-10-21 | 宁波欧翔精细陶瓷技术有限公司 | 碳化硅陶瓷管或棒的制备方法 |
CN101560105A (zh) * | 2009-06-01 | 2009-10-21 | 浙江大学 | 二元纳米协同强化增韧碳化硅陶瓷及其制备方法 |
CN105294108A (zh) * | 2015-12-03 | 2016-02-03 | 中国兵器科学研究院宁波分院 | 低成本常压烧结碳化硅陶瓷的制备方法 |
CN107541634A (zh) * | 2016-06-24 | 2018-01-05 | 北京海洋润达石油设备有限公司 | 一种碳化硅增韧耐磨陶瓷缸套及其制备方法 |
CN106431414A (zh) * | 2016-09-29 | 2017-02-22 | 连云港东渡碳化硅有限公司 | 一种无压烧结碳化硅陶瓷的制备方法 |
CN108218433A (zh) * | 2016-12-13 | 2018-06-29 | 刘明明 | 一种碳化硅粉体的喷雾造粒方法 |
CN106830944A (zh) * | 2017-03-16 | 2017-06-13 | 北京中兴实强陶瓷轴承有限公司 | 一种陶瓷复合材料及其烧制方法和应用 |
CN106904974A (zh) * | 2017-04-20 | 2017-06-30 | 石婷 | 常压固相烧结碳化硅陶瓷异形件及其制造方法 |
CN109180192A (zh) * | 2018-10-29 | 2019-01-11 | 山东宝纳新材料有限公司 | 碳化硅复合陶瓷的制备方法、其制得的碳化硅复合陶瓷和应用以及陶瓷制品 |
Also Published As
Publication number | Publication date |
---|---|
CN113372096A (zh) | 2021-09-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109553419B (zh) | 一种气压固相烧结碳化硼复相陶瓷及其制备方法 | |
CN113831136B (zh) | 一种固相烧结碳化硅制品及其制备方法 | |
CN108706978B (zh) | 喷雾造粒结合3dp和cvi制备碳化硅陶瓷基复合材料的方法 | |
CN112159232A (zh) | 一种高纯高致密碳化硅陶瓷及其制造方法 | |
CN107399988B (zh) | 一种利用铝硅系工业废渣制备氧化铝-碳化硅复合多孔陶瓷的方法 | |
CN113121240B (zh) | 一种高耐磨氮化物结合碳化硅复合陶瓷过流件的制备方法 | |
CN102115332A (zh) | 一种高强度β-SiAlON陶瓷及其无压烧结制备方法 | |
CN114988879B (zh) | 一种大型复相反应烧结碳化硅制品及制备方法 | |
CN115650733B (zh) | 一种添加碳化硅的高导热氮化硅陶瓷材料及其制备方法 | |
CN103553632A (zh) | 一种致密化氮化硅陶瓷材料的制备方法 | |
CN113372096B (zh) | 低温常压烧结碳化硅复合陶瓷的制备方法、及其制得的碳化硅复合陶瓷制品和应用 | |
CN115057707A (zh) | 一种高性能低游离硅含量反应烧结碳化硅陶瓷材料及其制备方法 | |
CN110963807A (zh) | 一种用于水泥窑过渡带的节能型莫来石质耐火砖及其制备方法 | |
CN114671689A (zh) | 一种热压液相烧结碳化硼复合陶瓷及其制备方法 | |
CN106518088A (zh) | 一种高性能氮化硅密封环的制备方法 | |
CN109650922B (zh) | Su-304l金属增强的碳化硅基复合陶瓷材料及其母粒的制备方法 | |
CN112851367B (zh) | 挤出成型薄壁氮化硅管件及其制备方法 | |
CN114874019B (zh) | 一种立方氮化硼相变增强的氮化铝/氮化硼复合陶瓷及其制备方法 | |
CN110877980A (zh) | 一种高强度碳化硅/氮化硅复相陶瓷及其制备方法 | |
CN115636671A (zh) | 基于层状碳化硅的高强度低温烧结多孔陶瓷及其制备方法 | |
CN114349516B (zh) | 一种低温合成高致密SiC陶瓷的方法 | |
CN113979765B (zh) | 一种碳化硅多孔陶瓷及其制备方法 | |
KR100419778B1 (ko) | 액상 반응소결에 의한 탄화규소-탄화붕소 복합체 제조방법 | |
CN103524132B (zh) | 一种碳颗粒/碳化硅陶瓷基复合材料的制备方法 | |
CN111848137A (zh) | 一种高抗热震氧化铝陶瓷及其制备方法 |
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 |