Titanium alloy sintering method for graphite furnace: Fid-Bau Portal

Titanium alloy sintering method for graphite furnace

CHEN MINGKE

The invention relates to a titanium alloy sintering method for a graphite furnace. The titanium alloy sintering method comprises the steps that firstly, absolute ethyl alcohol and zirconium oxide powder are mixed together according to the weight ratio of 3: 1 and stirred to form a coating; 2, uniformly coating the coating on the surface of 99 porcelain; thirdly, the titanium alloy blank is placed on the 99 porcelain with the coating, the assembled titanium alloy blank and the 99 porcelain are placed into a molybdenum box together, and a molybdenum box cover plate covers the molybdenum box; and 4, the whole molybdenum box is put into a graphite furnace to be sintered. According to the method, the absolute ethyl alcohol and the zirconium oxide powder are used as coatings to be coated on the surface of the 99 porcelain, so that a titanium alloy blank can be prevented from being polluted in a high-temperature process, titanium alloy sintering can be performed in a graphite furnace, a molybdenum wire heating metal furnace is effectively replaced, and the overall production cost and production difficulty are reduced.

本发明涉及一种用于石墨炉的钛合金烧结方法，包括：步骤一：将无水乙醇与氧化锆粉按照重量比3：1的比例混合在一起搅拌形成涂料；步骤二：将步涂料均匀地涂布在99瓷的表面；步骤三：将钛合金胚体放置在带有涂层的99瓷上，将组装好的钛合金胚体和99瓷一起放入钼盒中，并盖上钼盒盖板；步骤四：将钼盒整个放入石墨炉内进行烧结。本发明中，利用无水乙醇和氧化锆粉作为涂料涂布于99瓷的表面上，可以避免在高温过程中污染钛合金胚体，可在石墨炉内进行钛合金烧结，有效替代钼丝发热金属炉，有助于降低整体的生产成本和生产难度。

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