CN105439588A - 一种纤维增韧的陶瓷复合材料 - Google Patents

一种纤维增韧的陶瓷复合材料 Download PDF

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CN105439588A
CN105439588A CN201510852822.7A CN201510852822A CN105439588A CN 105439588 A CN105439588 A CN 105439588A CN 201510852822 A CN201510852822 A CN 201510852822A CN 105439588 A CN105439588 A CN 105439588A
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ceramic composite
fiber
fiber reinforced
reinforced ceramic
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    • 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
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
    • 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
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
    • C04B35/82—Asbestos; Glass; Fused silica
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    • 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
    • C04B2235/386—Boron nitrides
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    • 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
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    • 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
    • C04B2235/52—Constituents or additives characterised by their shapes
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    • C04B2235/5212—Organic
    • 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
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5216—Inorganic

Abstract

本发明提供了一种用于轧钢机，连铸机滚道轴瓦的纤维增韧的陶瓷复合材料，能够自润滑，比普通胶木瓦使用寿命提高1～2倍，其组成重量百分比计为瓷粉20～80，玻璃纤维5～40，石墨3～15，布塑2～9，热固性树脂20～30(外加)。

Description

一种纤维增韧的陶瓷复合材料
本发明涉及纤维增韧陶瓷复合材料，具体地说是用于轧钢机。连铸机滚道轴瓦的纤维增韧的陶瓷复合材料。轧钢机，连铸机滚道承受的载荷大，工作条件恶劣，使用滚动轴承易被压碎，使用耐磨铸铁轴瓦不能自润滑，使用硬质合金轴瓦硬度太高，易磨损轴颈，通常均采用胶木轴瓦，这种轴瓦耐热耐磨性能差，不能自润滑，靠通水冷却润滑，一旦断水胶木瓦极易被烧坏，不得不经常更换，成为影响生产的一大障碍，近年来有许多关于相变增韧的陶瓷轴承的报导，专利文献WPIACCNO：76-96081X/51，发明了一种自润滑轴承构件，这是一种含有丙烯酸盐成分的颗粒状填料组成的混合物，这种轴承构件亦不能满足轧钢机连铸机滚道轴瓦的要求，随着纤维增韧，粒子增强材料科学的发展，研制具有特殊性能的纤维增韧，粒子增强的复合材料成为可能。
本发明的目的是提供一种具有足够的强度和硬度，并且有足够的塑性和韧性，同时能够自润滑的纤维增韧的陶瓷复合材料，用于轧钢机、连铸机滚道轴瓦。本发明的纤维增韧的陶瓷复合材料，主要由基体材料增韧纤维和结合剂构成，其特征在于本发明的纤维增韧陶瓷复合材料还含有润滑剂和补强材料，其组成按重量百分比计为：
基体材料20-80，增韧纤维5-40，润滑剂3-15，补强材料2-9，外加结合剂20-30.
所述的基体材料是指各种牌号的瓷粉粒度为-200目。所述的增韧纤维是陶瓷纤维。碳纤维和玻璃纤维，纤维的长度应为5微米至50毫米之间。所述的润滑剂是石墨，氮化硼和二硫化钼，所述的补强材料是指各种布塑纤维的编织物，所述的结合剂是指各种改性的热固性树脂。
本发明的纤维增韧陶瓷复合材料成型方法是将所需重量百分比的原料放在混料机中混合均匀，热压成型，压力不低于0.6吨/厘米2，压制成的胚体经自然干燥后送入干燥室或烘箱内进行加热固化，温度应控制在250℃。
本发明的纤维增韧陶瓷复合材料，其机械性能为抗弯强度546-751kg/cm2，冲击韧性0.175-0.248kg/cm2。相当于金属材料的下限，耐压强度为1332-1355kg/cm2，硬度HB54-64，用作轧钢机、连铸机滚道轴瓦，比胶木瓦成本低，寿命提高1-2倍，该材质由于其中含有润滑剂能够自润滑，即使断水也不易发热，不损坏轴颈，该材质能够进行机械加工可用于其他重载机械转动部分的轴瓦，亦可用于机电产品的轻载轴承。
实施例1、按重量百分比计
瓷粉79，石墨6，玻纤13，塑料纤维2
BT-2改性树脂(外加)25。
机械性能指标(同一个配方制成的材质制成多个试样分别测试所得结果)。
抗拆强度kg/cm2480～670
冲击韧性kg-m/cm20.17～24
耐压强度kg/cm21300～1440。
布氏硬度HB55-64
显微结构：组织均匀，结构紧密，相介接触良好。
实施例2，按重量百分比计
瓷粉30，石墨5，玻纤20，布塑7
BT-2改性树脂45
机械性能指标
抗拆强度kg/cm2800-1000
冲击韧性kg-m/cm210～12
耐压强度kg/cm21500-1670
布氏硬度35-37。

Claims (7)

1.由基体材料，增韧纤维和结合剂构成的一种纤维增韧的陶瓷复合材料，其特征在于本发明的纤维增韧的陶瓷复合材料中含有润滑剂和补强材料，其组成以重量百分比计：基体材料20-80：增韧纤维5-40：润滑剂3-15：补强材料2-9，外加结合剂20-30。
2.根据权利要求1所述的纤维增韧的陶瓷复合材料，其特征是所述的基体材料是指各种牌号的瓷粉。
3.根据权利要求1所述的纤维增韧的陶瓷复合材料，其特征是所述的增韧纤维为陶瓷纤维，碳纤维和玻璃纤维。
4.根据要求1所述的纤维增韧的陶瓷复合材料其特征是所述的润滑剂是指石墨、氮化硼和二硫化钼。
5.根据权利要求1所述的纤维增韧的陶瓷复合材料，其特征是所述的补强材料是布塑纤维编织物。
6.根据权利要求1所述的纤维增韧的陶瓷复合材料，其特征于所述的结合剂为改性的热固性树脂。
7.根据权利要求1-6所述的纤维增韧的陶瓷复合材料其特征是这种材料用作轧钢机连铸机滚道的轴瓦以及其他重载机械转动部分的轴瓦。
CN201510852822.7A 2015-11-27 2015-11-27 一种纤维增韧的陶瓷复合材料 Pending CN105439588A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107628808A (zh) * 2017-10-20 2018-01-26 广西银英生物质能源科技开发股份有限公司 一种陶瓷耐火材料
CN107739214A (zh) * 2017-10-11 2018-02-27 桂林市晟博科技服务有限公司 一种陶瓷纤维材料
CN108705458A (zh) * 2018-05-30 2018-10-26 陈毅忠 一种均匀型结合剂材料的制备方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107739214A (zh) * 2017-10-11 2018-02-27 桂林市晟博科技服务有限公司 一种陶瓷纤维材料
CN107628808A (zh) * 2017-10-20 2018-01-26 广西银英生物质能源科技开发股份有限公司 一种陶瓷耐火材料
CN108705458A (zh) * 2018-05-30 2018-10-26 陈毅忠 一种均匀型结合剂材料的制备方法

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Application publication date: 20160330