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Coating for reducing carburization of graphite crucible and preparation method thereof
The invention discloses a coating for reducing carburization of a graphite crucible and a preparation method thereof.The preparation method comprises the following steps that S1, high-purity aluminum oxide serves as a coating material, high-purity calcium aluminate serves as a binding agent, and the coating material and the binding agent are mixed to prepare slurry; s2, spraying the slurry prepared in the step S1 onto the inner surface of an unfired graphite crucible; and S3, drying at normal temperature, and calcining the crucible at high temperature to prepare the graphite crucible with the lining containing the coating. The coating material and the adhesive are mixed to prepare the slurry, and the slurry is coated on the inner surface of the graphite crucible, so that the service life of the graphite crucible is prolonged, the carburizing rate of the graphite crucible is slowed down, and the product quality is improved.
本发明公开了一种降低石墨坩埚渗碳的涂层及其制备方法，制备方法包括以下步骤：S1、将高纯氧化铝作为涂层料，高纯铝酸钙作为粘结剂，混和后制成浆料；S2、将步骤S1中制成的浆料喷涂到未经烧制的石墨坩埚内表面；S3、常温下干燥后将坩埚在高温条件下煅烧，制得内衬含涂层的石墨坩埚。本发明通过将涂层料和粘接剂混合制成浆料并涂覆于石墨坩埚内表面，提升石墨坩埚的使用寿命，减缓石墨坩埚的渗碳速率，从而提高产品质量。
Coating for reducing carburization of graphite crucible and preparation method thereof
The invention discloses a coating for reducing carburization of a graphite crucible and a preparation method thereof.The preparation method comprises the following steps that S1, high-purity aluminum oxide serves as a coating material, high-purity calcium aluminate serves as a binding agent, and the coating material and the binding agent are mixed to prepare slurry; s2, spraying the slurry prepared in the step S1 onto the inner surface of an unfired graphite crucible; and S3, drying at normal temperature, and calcining the crucible at high temperature to prepare the graphite crucible with the lining containing the coating. The coating material and the adhesive are mixed to prepare the slurry, and the slurry is coated on the inner surface of the graphite crucible, so that the service life of the graphite crucible is prolonged, the carburizing rate of the graphite crucible is slowed down, and the product quality is improved.
本发明公开了一种降低石墨坩埚渗碳的涂层及其制备方法，制备方法包括以下步骤：S1、将高纯氧化铝作为涂层料，高纯铝酸钙作为粘结剂，混和后制成浆料；S2、将步骤S1中制成的浆料喷涂到未经烧制的石墨坩埚内表面；S3、常温下干燥后将坩埚在高温条件下煅烧，制得内衬含涂层的石墨坩埚。本发明通过将涂层料和粘接剂混合制成浆料并涂覆于石墨坩埚内表面，提升石墨坩埚的使用寿命，减缓石墨坩埚的渗碳速率，从而提高产品质量。
Coating for reducing carburization of graphite crucible and preparation method thereof
一种降低石墨坩埚渗碳的涂层及其制备方法
GAO LEIZHANG (author) / CHEN HAIJUN (author) / YIN DANFENG (author) / YE MINGFENG (author)
2023-12-05
Patent
Electronic Resource
Chinese
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