CN106117965A - 一种耐高温刹车片 - Google Patents
一种耐高温刹车片 Download PDFInfo
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- 239000005011 phenolic resin Substances 0.000 claims abstract description 53
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 53
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000000843 powder Substances 0.000 claims abstract description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002131 composite material Substances 0.000 claims abstract description 21
- 239000004411 aluminium Substances 0.000 claims abstract description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 19
- 239000003822 epoxy resin Substances 0.000 claims abstract description 18
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 17
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 15
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 14
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 14
- 241001330002 Bambuseae Species 0.000 claims abstract description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 14
- 239000002253 acid Substances 0.000 claims abstract description 14
- 239000011425 bamboo Substances 0.000 claims abstract description 14
- 239000003610 charcoal Substances 0.000 claims abstract description 14
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 14
- 239000010439 graphite Substances 0.000 claims abstract description 14
- 239000002006 petroleum coke Substances 0.000 claims abstract description 14
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 13
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 13
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- 229920006231 aramid fiber Polymers 0.000 claims abstract description 13
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 13
- 239000010453 quartz Substances 0.000 claims abstract description 13
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- 239000004917 carbon fiber Substances 0.000 claims abstract description 12
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011777 magnesium Substances 0.000 claims abstract description 12
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 12
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- 239000000463 material Substances 0.000 claims description 8
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 5
- 150000002118 epoxides Chemical class 0.000 claims description 5
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- 239000011347 resin Substances 0.000 claims description 4
- -1 schmigel 6 parts Substances 0.000 claims description 3
- 239000010428 baryte Substances 0.000 claims description 2
- 229910052601 baryte Inorganic materials 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 10
- 238000003756 stirring Methods 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 7
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 6
- UAKNFLCLKRYKFO-UHFFFAOYSA-N acetylene aniline Chemical group C#C.NC=1C=CC=CC1 UAKNFLCLKRYKFO-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
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- 238000000034 method Methods 0.000 description 4
- 229920001342 Bakelite® Polymers 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 125000000304 alkynyl group Chemical group 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 229910002800 Si–O–Al Inorganic materials 0.000 description 1
- SHPBBNULESVQRH-UHFFFAOYSA-N [O-2].[O-2].[Ti+4].[Zr+4] Chemical compound [O-2].[O-2].[Ti+4].[Zr+4] SHPBBNULESVQRH-UHFFFAOYSA-N 0.000 description 1
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
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- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 150000008049 diazo compounds Chemical class 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
Classifications
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
- C08L61/14—Modified phenol-aldehyde condensates
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Abstract
本发明公开了一种耐高温刹车片,包括钢板、隔热层和摩擦块;摩擦块由酚醛树脂复合材料制备而成;述酚醛树脂复合材料的原料按重量份包括:酚醛树脂15‑30份、环氧树脂3‑10份、有机硅树脂3‑10份、碳纤维5‑10份、芳纶纤维3‑10份、石英纤维2‑8份、钛酸钾镁片晶12‑30份、钛酸铁钠片晶5‑15份、铁钛粉15‑30份、刚玉粉2‑10份、重晶石粉3‑10份、铝粉2‑8份、滑石粉1‑3份、氧化铁1‑5份、二氧化锆2‑8份、石油焦2‑8份、天然石墨1‑3份、竹炭2‑5份、石墨烯2‑5份。本发明提出的耐高温刹车片,其耐高温性能优异,抗冲击性能和热稳定性能好,耐磨损性能高,热膨胀率小,使用寿命长。
Description
技术领域
本发明涉及刹车片技术领域,尤其涉及一种耐高温刹车片。
背景技术
在汽车的刹车***中,刹车片是最关键的安全零件。刹车片一般由钢板、粘接隔热层和摩擦块构成。其中,钢板要经过涂装来防锈;隔热层是由不传热的材料组成;摩擦块由摩擦材料、粘合剂组成,刹车时被挤压在刹车盘或刹车鼓上产生摩擦,同时轮胎与地面产生摩擦,将车辆行进的动能转换成摩擦后的热能,从而达到车辆减速刹车的目的。在汽车刹车的过程中,摩擦材料的综合性能将直接影响到汽车行驶过程中的安全和舒适,其要求具有良好的机械强度、良好的热稳定性和优异的耐磨性。黏结剂是摩擦材料的主要成分,最常使用的黏结剂是酚醛树脂,它具有优异的耐热性能和机械性能,电绝缘性和成型加工性能良好,且原料易得,价格便宜,工艺及生产设备简单等优点。但普通酚醛树脂其耐高温性仍不是很理想,且用其制成的刹车片存在脆性、固化收缩和热膨胀率大的缺陷,导致刹车片的性能显著下降,缩短了刹车片的使用寿命。
发明内容
基于背景技术存在的技术问题,本发明提出了一种耐高温刹车片,其耐高温性能优异,抗冲击性能和热稳定性能好,耐磨损性能高,热膨胀率小,使用寿命长。
本发明提出的一种耐高温刹车片,包括钢板、隔热层和摩擦块;摩擦块通过隔热层固定在钢板上;所述摩擦块由酚醛树脂复合材料制备而成,其中,所述酚醛树脂复合材料的原料按重量份包括:酚醛树脂15-30份、环氧树脂3-10份、有机硅树脂3-10份、碳纤维5-10份、芳纶纤维3-10份、石英纤维2-8份、钛酸钾镁片晶12-30份、钛酸铁钠片晶5-15份、铁钛粉15-30份、刚玉粉2-10份、重晶石粉3-10份、铝粉2-8份、滑石粉1-3份、氧化铁1-5份、二氧化锆2-8份、石油焦2-8份、天然石墨1-3份、竹炭2-5份、石墨烯2-5份。
优选地,所述酚醛树脂复合材料的原料按重量份包括:酚醛树脂20-25份、环氧树脂5-7份、有机硅树脂5-8.5份、碳纤维6.5-8份、芳纶纤维7-8份、石英纤维3.5-5份、钛酸钾镁片晶18-25份、钛酸铁钠片晶7.8-10份、铁钛粉20-25份、刚玉粉5.8-6.5份、重晶石粉5-6.2份、铝粉5-6份、滑石粉1.8-2.5份、氧化铁3.2-3.5份、二氧化锆4.8-5.3份、石油焦5-6份、天然石墨1.8-2.4份、竹炭3.3-4份、石墨烯3.8-4.3份。
优选地,所述酚醛树脂复合材料的原料按重量份包括:酚醛树脂22份、环氧树脂6份、有机硅树脂7份、碳纤维7份、芳纶纤维7.8份、石英纤维4.3份、钛酸钾镁片晶20份、钛酸铁钠片晶8.3份、铁钛粉22份、刚玉粉6份、重晶石粉6份、铝粉5.8份、滑石粉2份、氧化铁3.3份、二氧化锆5份、石油焦5.3份、天然石墨2.1份、竹炭3.7份、石墨烯4份。
优选地,所述酚醛树脂为硼酚醛树脂、钼酚醛树脂中的一种或者两种的混合物。
优选地,所述酚醛树脂为钼酚醛树脂;所述钼酚醛树脂按照以下工艺进行制备:在搅拌状态下,将4-氨基苯乙炔加入硫酸水溶液中,搅拌均匀后降温至0℃,加入亚硝酸钠水溶液,调节温度为0℃搅拌反应0.5-1.5h,反应完成后得到物料A;将苯酚、醋酸锌、草酸和钼酸加入反应装置中,搅拌均匀后升温至95-100℃,搅拌1.5-2.5h,降温至65-75℃后加入甲醛水溶液,调节温度为80-90℃后搅拌反应5-7h,反应完成后加入氨水,搅拌后加入甲醇水溶液,在92-95℃下回流反应2-3h,反应完成后降温至55-60℃,然后经脱水、冷却得到物料B;将物料B加入NaOH溶液中,搅拌1-2h后降温至0℃,然后加入物料A,调节体系的pH值至8-9后搅拌反应2-3.5h,反应结束后经洗涤、过滤、干燥得到所述钼酚醛树脂;在钼酚醛树脂的制备过程中,将4-氨基苯乙炔在硫酸和亚硝酸钠存在的条件下进行反应,得到了重氮化合物,之后再与酚醛树脂进行反应,从而在酚醛树脂中引入了炔基,显著提高了其耐热性,同时,在酚醛树脂的制备过程中,引入了钼酸,从而将钼原子引入到了体系中,与炔基配合后,显著提高了体系的耐热性、瞬时高温性能,降低了体系的热膨胀率和固化收缩率,提高了刹车片的耐磨损性。
优选地,在钼酚醛树脂的制备过程中,4-氨基苯乙炔滴加到硫酸水溶液中,且滴加速度为50-65滴/min。
优选地,在钼酚醛树脂的制备过程中,4-氨基苯乙炔、硫酸、亚硝酸钠的重量比为15-25:40-50:20-30。
优选地,在钼酚醛树脂的制备过程中,硫酸水溶液的质量分数为20-35%。
优选地,在钼酚醛树脂的制备过程中,苯酚、钼酸、甲醛的重量比为20-30:3-10:10-20。
优选地,在钼酚醛树脂的制备过程中,物料B、物料A的重量比为8-15:10-25。
优选地,所述环氧树脂的环氧值为0.35-0.56。
优选地,所述铝粉的平均粒径为50-85nm;所述二氧化锆的平均粒径为20-50nm。
优选地,其原料按重量份还包括0.5-2份的硅烷偶联剂。
本发明所述耐高温刹车片,其摩擦块的原料,以酚醛树脂为主料,并加入了环氧树脂和有机硅树脂对其进行改性,在保持较高耐热性的同时起到了增韧的作用,显著提高了刹车片的韧性,改善了单纯的酚醛树脂脆性大、韧性差的缺陷,同时赋予摩擦块优异的耐腐蚀性、耐渗透性和耐化学品性,且摩擦块在高温下,有机硅树脂氧化后残余的二氧化硅可以与部分铝粉熔合生成Si-O-Al合金层,其可以使氧、热不易侵入,进一步提高了摩擦块的耐热性和耐氧性;加入了碳纤维、芳纶纤维和石英纤维混合使用作为增强纤维,其与基体的亲和性好,三者性能协同,使摩擦块具有较好的强度、弹性模量和耐磨性,提高了摩擦块在各温度段的稳定性,同时赋予摩擦块优异的抗压缩和抗冲击能力,改善了刹车片的磨损性能;钛酸铁钠片晶加入体系中,在摩擦磨损过程,会被氧化并黏附在摩擦材料表面,更有利于形成和稳定转移膜,部分代替钛酸钾镁片晶后,显著提高了刹车片的制动平稳性和耐磨性;铁钛粉、刚玉粉、重晶石粉、铝粉、氧化铁、二氧化锆、石油焦、天然石墨、竹炭加入体系中,能提高刹车片的高温摩擦系数,减少磨损率,同时调节摩擦块的热稳定性能以及其工作稳定性,其中的石油焦、天然石墨、竹炭配合加入体系中,能调节摩擦系数,降低噪音和高温热衰退性。
具体实施方式
下面,通过具体实施例对本发明的技术方案进行详细说明。
实施例1
本发明提出的一种耐高温刹车片,包括钢板、隔热层和摩擦块;摩擦块通过隔热层固定在钢板上;所述摩擦块由酚醛树脂复合材料制备而成,其中,所述酚醛树脂复合材料的原料按重量份包括:酚醛树脂15份、环氧树脂10份、有机硅树脂3份、碳纤维10份、芳纶纤维3份、石英纤维8份、钛酸钾镁片晶12份、钛酸铁钠片晶15份、铁钛粉15份、刚玉粉10份、重晶石粉3份、铝粉8份、滑石粉1份、氧化铁5份、二氧化锆2份、石油焦8份、天然石墨1份、竹炭5份、石墨烯2份。
实施例2
本发明提出的一种耐高温刹车片,包括钢板、隔热层和摩擦块;摩擦块通过隔热层固定在钢板上;所述摩擦块由酚醛树脂复合材料制备而成,其中,所述酚醛树脂复合材料的原料按重量份包括:酚醛树脂30份、环氧树脂3份、有机硅树脂10份、碳纤维5份、芳纶纤维10份、石英纤维2份、钛酸钾镁片晶30份、钛酸铁钠片晶5份、铁钛粉30份、刚玉粉2份、重晶石粉10份、铝粉2份、滑石粉3份、氧化铁1份、二氧化锆8份、石油焦2份、天然石墨3份、竹炭2份、石墨烯5份。
实施例3
本发明提出的一种耐高温刹车片,包括钢板、隔热层和摩擦块;摩擦块通过隔热层固定在钢板上;所述摩擦块由酚醛树脂复合材料制备而成,其中,所述酚醛树脂复合材料的原料按重量份包括:钼酚醛树脂25份、环氧树脂5份、有机硅树脂8.5份、碳纤维6.5份、芳纶纤维8份、石英纤维3.5份、钛酸钾镁片晶25份、钛酸铁钠片晶7.8份、铁钛粉25份、刚玉粉5.8份、重晶石粉6.2份、铝粉5份、滑石粉2.5份、氧化铁3.2份、二氧化锆5.3份、石油焦5份、天然石墨2.4份、竹炭3.3份、石墨烯4.3份、硅烷偶联剂2份;
其中,所述环氧树脂的环氧值为0.56;
所述铝粉的平均粒径为50nm;所述二氧化锆的平均粒径为50nm。
实施例4
本发明提出的一种耐高温刹车片,包括钢板、隔热层和摩擦块;摩擦块通过隔热层固定在钢板上;所述摩擦块由酚醛树脂复合材料制备而成,其中,所述酚醛树脂复合材料的原料按重量份包括:硼酚醛树脂12份、钼酚醛树脂8份、环氧树脂7份、有机硅树脂5份、碳纤维8份、芳纶纤维7份、石英纤维5份、钛酸钾镁片晶18份、钛酸铁钠片晶10份、铁钛粉20份、刚玉粉6.5份、重晶石粉5份、铝粉6份、滑石粉1.8份、氧化铁3.5份、二氧化锆4.8份、石油焦6份、天然石墨1.8份、竹炭4份、石墨烯3.8份、硅烷偶联剂0.5份;
其中,所述环氧树脂的环氧值为0.35;
所述铝粉的平均粒径为85nm;所述二氧化锆的平均粒径为20nm。
实施例5
本发明提出的一种耐高温刹车片,包括钢板、隔热层和摩擦块;摩擦块通过隔热层固定在钢板上;所述摩擦块由酚醛树脂复合材料制备而成,其中,所述酚醛树脂复合材料的原料按重量份包括:硼酚醛树脂22份、环氧树脂6份、有机硅树脂7份、碳纤维7份、芳纶纤维7.8份、石英纤维4.3份、钛酸钾镁片晶20份、钛酸铁钠片晶8.3份、铁钛粉22份、刚玉粉6份、重晶石粉6份、铝粉5.8份、滑石粉2份、氧化铁3.3份、二氧化锆5份、石油焦5.3份、天然石墨2.1份、竹炭3.7份、石墨烯4份、硅烷偶联剂1份;
其中,所述环氧树脂的环氧值为0.5;
所述铝粉的平均粒径为65nm;所述二氧化锆的平均粒径为40nm。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (7)
1.一种耐高温刹车片,包括钢板、隔热层和摩擦块;摩擦块通过隔热层固定在钢板上;其特征在于,所述摩擦块由酚醛树脂复合材料制备而成,其中,所述酚醛树脂复合材料的原料按重量份包括:酚醛树脂15-30份、环氧树脂3-10份、有机硅树脂3-10份、碳纤维5-10份、芳纶纤维3-10份、石英纤维2-8份、钛酸钾镁片晶12-30份、钛酸铁钠片晶5-15份、铁钛粉15-30份、刚玉粉2-10份、重晶石粉3-10份、铝粉2-8份、滑石粉1-3份、氧化铁1-5份、二氧化锆2-8份、石油焦2-8份、天然石墨1-3份、竹炭2-5份、石墨烯2-5份。
2.根据权利要求1所述耐高温刹车片,其特征在于,所述酚醛树脂复合材料的原料按重量份包括:酚醛树脂20-25份、环氧树脂5-7份、有机硅树脂5-8.5份、碳纤维6.5-8份、芳纶纤维7-8份、石英纤维3.5-5份、钛酸钾镁片晶18-25份、钛酸铁钠片晶7.8-10份、铁钛粉20-25份、刚玉粉5.8-6.5份、重晶石粉5-6.2份、铝粉5-6份、滑石粉1.8-2.5份、氧化铁3.2-3.5份、二氧化锆4.8-5.3份、石油焦5-6份、天然石墨1.8-2.4份、竹炭3.3-4份、石墨烯3.8-4.3份。
3.根据权利要求1或2所述耐高温刹车片,其特征在于,所述酚醛树脂复合材料的原料按重量份包括:酚醛树脂22份、环氧树脂6份、有机硅树脂7份、碳纤维7份、芳纶纤维7.8份、石英纤维4.3份、钛酸钾镁片晶20份、钛酸铁钠片晶8.3份、铁钛粉22份、刚玉粉6份、重晶石粉6份、铝粉5.8份、滑石粉2份、氧化铁3.3份、二氧化锆5份、石油焦5.3份、天然石墨2.1份、竹炭3.7份、石墨烯4份。
4.根据权利要求1-3中任一项所述耐高温刹车片,其特征在于,所述酚醛树脂为硼酚醛树脂、钼酚醛树脂中的一种或者两种的混合物。
5.根据权利要求1-4中任一项所述耐高温刹车片,其特征在于,所述环氧树脂的环氧值为0.35-0.56。
6.根据权利要求1-5中任一项所述耐高温刹车片,其特征在于,所述铝粉的平均粒径为50-85nm;所述二氧化锆的平均粒径为20-50nm。
7.根据权利要求1-6中任一项所述耐高温刹车片,其特征在于,所述酚醛树脂复合材料的原料中,按重量份还包括0.5-2份的硅烷偶联剂。
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