本发明公开了一种一步法制备强结合抗烧蚀高熵合金复合涂层的方法,所述方法包括:以碳基材料为基体,表面铺一层Si粉,Si粉上方以高熵合金组元的单质混合粉为原料,经烧结制得。制得的高熵合金复合涂层包括SiC过渡层和高熵合金涂层,SiC过渡层具有高温热稳定性,对整个复合涂层在高温下的组织结构稳定性具有关键作用;高熵合金涂层拥有多主元成分设计,且具有独特的单相固溶体结构,提高了所述复合涂层的高温抗烧蚀性能。
The invention discloses a method for preparing a strong bonding anti-ablative high-entropy alloy composite coating by a one-step method, which comprises: the carbon-based material is used as the substrate, the surface is coated with a layer of Si powder, and the elemental mixed powder of the high-entropy alloy component is used as the raw material above the Si powder, which is prepared by sintering. The high entropy alloy composite coating consists of a SiC transition layer and a high entropy alloy coating. The SiC transition layer has high temperature thermal stability and plays a key role in the stability of the entire composite coating at high temperature. The high entropy alloy coating has a multi-principal component design and a unique single-phase solid solution structure, which improves the high temperature ablative resistance of the composite coating.