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Preparation method of Ti3AlC2 enhanced carbon-based pantograph slide plate
The invention discloses a preparation method of a Ti3AlC2 reinforced carbon-based pantograph slide plate, which adopts a mixing mode of mixing and kneading, and realizes uniform coating of asphalt by controlling the mixing and kneading temperature, the mixing and kneading time and the charging sequence so as to facilitate subsequent formed spherical particles and uniform coating of Ti3AlC2 outside the particles, and the layered coating structure of the Ti3AlC2 reinforced carbon-based pantograph slide plate is similar to a core-shell structure. By means of the structure, on one hand, agglomeration of the reinforcing phase can be avoided, on the other hand, the combination effect of the Ti3AlC2 reinforcing phase and the carbon matrix can be effectively improved, and defects such as holes and gaps are avoided. According to the roasting process, cracking of asphalt and sintering of all carbon components can be fully guaranteed, tight connection of a reinforced phase and a carbon matrix is guaranteed, and then it is guaranteed that a finished product obtains ideal mechanical strength and electrical performance. And meanwhile, oxidation and decomposition of Ti3AlC2 can be avoided, so that a powerful guarantee is provided for optimization of electrical properties and current-carrying friction and wear properties of the sample.
本发明公开了一种Ti3AlC2增强碳基受电弓滑板的制备方法，采用混捏的混合方式，通过控制混捏温度、混捏时间及加料的顺序，来实现沥青的均匀包覆以利于后续成型的球状颗粒，以及Ti3AlC2均匀地包覆在颗粒外面，其层状包裹结构类似于核壳结构。这样的结构一方面可以避免增强相的团聚，另一方面也可以有效地改善Ti3AlC2增强相和碳基体的结合效果，避免了孔洞和间隙等缺陷的产生。本发明焙烧工艺可以充分保证沥青的裂解和各碳组分的烧结，保证了增强相和碳基体的紧密连接，进而保证成品获得理想的机械强度和电学性能。同时也可以避免Ti3AlC2的氧化和分解，从而为试样电学性能和载流摩擦磨损性能的优化提供了有力的保证。
Preparation method of Ti3AlC2 enhanced carbon-based pantograph slide plate
The invention discloses a preparation method of a Ti3AlC2 reinforced carbon-based pantograph slide plate, which adopts a mixing mode of mixing and kneading, and realizes uniform coating of asphalt by controlling the mixing and kneading temperature, the mixing and kneading time and the charging sequence so as to facilitate subsequent formed spherical particles and uniform coating of Ti3AlC2 outside the particles, and the layered coating structure of the Ti3AlC2 reinforced carbon-based pantograph slide plate is similar to a core-shell structure. By means of the structure, on one hand, agglomeration of the reinforcing phase can be avoided, on the other hand, the combination effect of the Ti3AlC2 reinforcing phase and the carbon matrix can be effectively improved, and defects such as holes and gaps are avoided. According to the roasting process, cracking of asphalt and sintering of all carbon components can be fully guaranteed, tight connection of a reinforced phase and a carbon matrix is guaranteed, and then it is guaranteed that a finished product obtains ideal mechanical strength and electrical performance. And meanwhile, oxidation and decomposition of Ti3AlC2 can be avoided, so that a powerful guarantee is provided for optimization of electrical properties and current-carrying friction and wear properties of the sample.
本发明公开了一种Ti3AlC2增强碳基受电弓滑板的制备方法，采用混捏的混合方式，通过控制混捏温度、混捏时间及加料的顺序，来实现沥青的均匀包覆以利于后续成型的球状颗粒，以及Ti3AlC2均匀地包覆在颗粒外面，其层状包裹结构类似于核壳结构。这样的结构一方面可以避免增强相的团聚，另一方面也可以有效地改善Ti3AlC2增强相和碳基体的结合效果，避免了孔洞和间隙等缺陷的产生。本发明焙烧工艺可以充分保证沥青的裂解和各碳组分的烧结，保证了增强相和碳基体的紧密连接，进而保证成品获得理想的机械强度和电学性能。同时也可以避免Ti3AlC2的氧化和分解，从而为试样电学性能和载流摩擦磨损性能的优化提供了有力的保证。
Preparation method of Ti3AlC2 enhanced carbon-based pantograph slide plate
一种Ti3AlC2增强碳基受电弓滑板的制备方法
JIANG YANG (author) / REN BOYONG (author) / GAO CHENYU (author) / WU WEI (author) / HE JIAXING (author)
2023-04-04
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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