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发明公开
CN108330347A 基于激光选区熔化制备铝基复合材料的制备方法 无效 - 驳回

基于激光选区熔化制备铝基复合材料的制备方法
摘要：
本发明提供了一种基于激光选区熔化制备铝基复合材料的制备方法，包括如下步骤：S1、以KBF4、K2TiF6粉末为原料，利用混合盐反应法(LSM)制备得到原位自生TiB2/AlSi10Mg复合材料，将所述原位自生TiB2/AlSi10Mg复合材料通过真空气雾化制备得到复合材料粉末；S2、将所述复合材料粉末采用激光选区熔化制备得到SLM样品；S3、对所述SLM样品进行单时效处理。本发明采用SLM制备得到原位自生TiB2颗粒增强AlSi10Mg复合材料，使得晶粒得到了极大细化，单时效处理进一步提高了材料的力学性能，在航空航天领域有巨大的应用潜力。
摘要（英）：

The invention provides a preparation method for preparing an aluminum-based composite material based on laser selective melting. The preparation method comprises the following steps: S1, with KBF4 andK2TiF6 powders as raw materials, an in-situ self-generated TiB2/AlSi10Mg composite material is prepared by a mixed salt reaction method (LSM), and a composite material powder is prepared by vacuum gas atomization of the in-situ self-generated TiB2/AlSi10Mg composite material; S2, an SLM sample is prepared by laser selective melting of the composite material powder; and S3, the SLM sample is subjected to single aging treatment. The in-situ self-generated TiB2 particle reinforced AlSi10Mg composite material is prepared by the SLM, crystal grains are greatly refined, the mechanical properties ofthe material are further improved by the single aging treatment, and the composite material has great potential in the technical field of aviation and aerospace.

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