探索金属-金属复合材料:对AA5083矩阵-Cr粒子增强复合材料的研究
1Faculty of Engineering, Metallurgical and Materials Engineering, Karadeniz Technical University, 61080 Trabzon, Turkey.
Materials (Basel, Switzerland)
|January 8, 2025
概括
增强显著提高了AA5083复合材料的硬度和耐磨性. 虽然硬度随着含量增加而增加,但由于孔径效应,在10%重量%的下可以达到最佳拉伸强度和耐腐蚀性.
科学领域:
- 材料科学 材料科学 材料科学
- 金工程 金工程 金工程
- 复合材料 复合材料 复合材料
背景情况:
- 合金AA5083是一种常见的矩阵材料.
- 金属金属复合材料比基础合金提供了增强的性能.
- 粉末金是一种可行的复合材料制造技术.
研究的目的:
- 开发增强的AA5083矩阵复合材料.
- 研究不同含量 (5%,10%,15%重量) 对复合材料性能的影响.
- 为了评估机械,tribological,和腐蚀性能.
主要方法:
- 粉末金的路线涉及球磨,以实现均的分布.
- 在气氛下在500°C下500MPa下2小时进行热压.
- 微观结构,硬度,密度,抗拉性质,耐磨性和耐腐蚀性的表征.
主要成果:
- 硬度增加了高达50%,添加了15%的Cr.
- 对于15%的Cr复合材料,磨损减少了30%.
- 拉力强度达到10重%的高峰,Cr,由于孔隙性,在15重%下降.
- 耐腐蚀性在10重%Cr时最高,在15重%Cr时随着多孔性增加而下降.
结论:
- 增强增强了AA5083复合材料的机械和 Tribological 性能.
- 复合材料适用于要求高硬度和耐磨性的应用.
- 孔隙性是影响高度物质的关键因素.
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