热喷涂亚稳态复合涂层能克服许多亚稳材料不易直接成形的不足,有效发挥非晶、纳米晶和准晶材料的特殊功效.等离子喷涂和高速火焰喷涂亚稳态铁基、镍基、陶瓷粉末制备的涂层质量优异,在热障、耐磨、防腐等领域应用前景广阔,但尚需拓展涂层功能,降低成本.电弧喷涂粉芯丝材制备亚稳态涂层具有成本低、效率高、成分易调节等优势,在大规模高效制备耐磨、防腐、防高温腐蚀与冲蚀涂层方面优势明显,但尚需提高涂层稳定性,开发更多涂层材料体系.目前,我国需要从自动化热喷涂设备开发和新型亚稳态材料体系研究两方面展开深入研究,提高亚稳态喷涂层的组织结构稳定性和性能质量可靠性,使该技术走出实验室面向工业应用,更好地为国家循环经济建设服务.
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