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采用覆砂石墨型,研究了轻质Al-Li合金熔体与几种砂型材料表面间的交互作用,并考察了几种陶瓷涂料对合金表面质量及气孔形成的影响,结果与分析表明树脂砂干型和惰性涂料是适用于Al-Li合金铸件开发的造型材料。
The interaction between light Al-Li alloy melt and the surface of several sand-type materials was studied by using coated graphite. The effects of several ceramic coatings on the surface quality and porosity of the alloy were investigated. The results show that the resin sand Dry and inert coatings are styling materials suitable for the development of Al-Li alloy castings.