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High-temperature anti-oxidation carbon graphite material for aero-engine and preparation method of high-temperature anti-oxidation carbon graphite material
The invention discloses a high-temperature anti-oxidation carbon graphite material for an aero-engine and a preparation method thereof. The preparation method comprises the following steps: putting coke powder and asphalt A into a mixing and kneading pot for mixing and kneading, taking out of the pot, cooling, crushing, sieving, carrying out compression molding, carrying out semi-coking treatment, and crushing and sieving to obtain modified powder A; adding waste graphite powder and asphalt B into a mixing and kneading pot for mixing and kneading, taking out of the pot, cooling, crushing, sieving, carrying out compression molding, carrying out semi-coking treatment, and crushing and sieving to obtain modified powder B; adding an oxidation inhibitor and asphalt C into a kneading pot for kneading, taking out of the pot, cooling, crushing, sieving, carrying out compression molding, carrying out semi-coking treatment, and crushing and sieving to obtain modified powder C; the preparation method comprises the following steps: uniformly mixing modified powder A, modified powder B and modified powder C according to a ratio of (35-40): (60-65): (5-20), then putting the mixture and asphalt D into a mixing and kneading pot for mixing and kneading, then carrying out sheet rolling, crushing and sieving to obtain pressed powder, and carrying out compression molding, roasting and graphitizing to obtain the carbon graphite block material with good mechanical properties and oxidation resistance.
本发明公开了一种航空发动机用高温抗氧化炭石墨材料及其制备方法，包括：将焦炭粉和沥青A投入混捏锅中混捏，出锅冷却后破碎、过筛、模压成型，并经半焦化处理，再经过破碎过筛得到改性粉A；将石墨废粉和沥青B投入混捏锅中混捏，出锅冷却后破碎、过筛、模压成型，然后经半焦化处理，再经过破碎过筛得到改性粉B；将氧化抑制剂和沥青C投入混捏锅中混捏，出锅冷却后破碎、过筛、模压成型，然后经半焦化处理，再经过破碎过筛得到改性粉C；将改性粉A、改性粉B和改性粉C按照35~40：60~65：5~20的比例混均，然后与沥青D投入混捏锅中混捏，再经轧片、破碎、过筛后得到压粉，经模压成型、焙烧、石墨化得到具有良好的力学性能和抗氧化能力的炭石墨块材料。
High-temperature anti-oxidation carbon graphite material for aero-engine and preparation method of high-temperature anti-oxidation carbon graphite material
The invention discloses a high-temperature anti-oxidation carbon graphite material for an aero-engine and a preparation method thereof. The preparation method comprises the following steps: putting coke powder and asphalt A into a mixing and kneading pot for mixing and kneading, taking out of the pot, cooling, crushing, sieving, carrying out compression molding, carrying out semi-coking treatment, and crushing and sieving to obtain modified powder A; adding waste graphite powder and asphalt B into a mixing and kneading pot for mixing and kneading, taking out of the pot, cooling, crushing, sieving, carrying out compression molding, carrying out semi-coking treatment, and crushing and sieving to obtain modified powder B; adding an oxidation inhibitor and asphalt C into a kneading pot for kneading, taking out of the pot, cooling, crushing, sieving, carrying out compression molding, carrying out semi-coking treatment, and crushing and sieving to obtain modified powder C; the preparation method comprises the following steps: uniformly mixing modified powder A, modified powder B and modified powder C according to a ratio of (35-40): (60-65): (5-20), then putting the mixture and asphalt D into a mixing and kneading pot for mixing and kneading, then carrying out sheet rolling, crushing and sieving to obtain pressed powder, and carrying out compression molding, roasting and graphitizing to obtain the carbon graphite block material with good mechanical properties and oxidation resistance.
本发明公开了一种航空发动机用高温抗氧化炭石墨材料及其制备方法，包括：将焦炭粉和沥青A投入混捏锅中混捏，出锅冷却后破碎、过筛、模压成型，并经半焦化处理，再经过破碎过筛得到改性粉A；将石墨废粉和沥青B投入混捏锅中混捏，出锅冷却后破碎、过筛、模压成型，然后经半焦化处理，再经过破碎过筛得到改性粉B；将氧化抑制剂和沥青C投入混捏锅中混捏，出锅冷却后破碎、过筛、模压成型，然后经半焦化处理，再经过破碎过筛得到改性粉C；将改性粉A、改性粉B和改性粉C按照35~40：60~65：5~20的比例混均，然后与沥青D投入混捏锅中混捏，再经轧片、破碎、过筛后得到压粉，经模压成型、焙烧、石墨化得到具有良好的力学性能和抗氧化能力的炭石墨块材料。
High-temperature anti-oxidation carbon graphite material for aero-engine and preparation method of high-temperature anti-oxidation carbon graphite material
一种航空发动机用高温抗氧化炭石墨材料及其制备方法
LIU YANLI (author) / HE XUN (author) / LIU PING (author) / TU CHUANJUN (author)
2024-04-12
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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