高热合金的火花等离子烧结和电火花沉积具有元素变化的高热合金
Ciprian Alexandru Manea1, Laura Elena Geambazu1, Ileana Mariana Mateș2,3
1National Institute for R&D in Electrical Engineering ICPE-CA Bucharest, Splaiul Unirii 313, 030138 Bucharest, Romania.
Materials (Basel, Switzerland)
|June 27, 2025
概括
本研究引入了一种新方法,将火花等离子烧结 (SPS) 和电火花沉积 (ESD) 结合起来,以创建高合金 (HEA) 涂层. 该工艺产生稳定,均的涂层,有可能在恶劣环境中使用.
科学领域:
- 材料科学 材料科学 材料科学
- 金工业是金工业的一个方面.
- 表面工程是什么?表面工程是什么?
背景情况:
- 高合金 (HEAs) 为要求高的应用提供了卓越的性能.
- 开发高效的制造HEA涂层的方法对于它们的更广泛采用至关重要.
研究的目的:
- 提出和验证一种新的加工途径,用于生产CrFeNiMo,Co0.5CrFeNiMo和Al0.5CrFeNiMoHEA涂层.
- 研究火花等离子体烧结 (SPS) 温度对预合金高电的性能的影响.
- 评估碳钢基板上的电火花沉积 (ESD) 涂层的特性.
主要方法:
- 预合金HEAs使用火花等离子烧结 (SPS) 进行了整合.
- 电子火花沉积 (ESD) 用于将碳钢基板涂在烧结的高温钢上.
- 分析了相组合,稳定性,污染,同质性,元素分布和微观结构完整性.
主要成果:
- 增加SPS温度提高了HEA的相稳定性和降低了HEA的多孔性.
- 实现了连续和紧的涂层,但由于柔性降低,在6层后形成了微裂.
- 在SPS-ESD过程中保持了化学完整性,显示了没有污染的均元素分布.
结论:
- 结合的SPS-ESD工艺对于制造高性能HEA涂层是有效的.
- 开发的HEA涂层显示出在侵袭性环境中应用的潜力.
- 可能需要进一步优化,以减轻在更厚的涂层中形成微裂的情况.
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