通过电流的双线弧形增材制造制成的沉积Ti6Al4V/Inconel 718复合材料的微观结构和热裂变敏感性的研究
Peng Xia1, Xin Ye1, Guangshun Zhang1
1School of Materials Science and Engineering, Shanghai University of Engineering Science, Shanghai 201620, China.
Materials (Basel, Switzerland)
|December 17, 2024
概括
合金/Inconel 718复合材料的弧形增材制造显示了沉积电流冲击性能. 较高的电流会增加微硬度,但有可能形成易碎的金属间化合物和裂.
科学领域:
- 材料科学 材料科学 材料科学
- 增材制造 增材制造 增材制造
- 金工业是金工业的一个方面.
背景情况:
- 合金 (Ti6Al4V) 和Inconel 718是重要的工程材料.
- 渐变材料通过结合不同合金的特性来提高性能.
- 弧形增材制造使复杂的金属元件的制造成为可能.
研究的目的:
- 为了研究沉积电流对通过弧形增材制造制造的Ti6Al4V/Inconel 718复合材料的微观结构和性能的影响.
- 了解这些梯度材料在不同热量输入下相位演变和机械特性.
主要方法:
- Ti6Al4V/Inconel 718复合材料是使用弧形增材制造生产的.
- 在制造过程中采用了不同的沉积电流 (例如35A,50A).
- 在沉积层上进行了微结构分析和微硬度测试.
主要成果:
- 在35A沉积电流下观察到 (Ti) 元素扩散到Inconel 718合金中.
- 沉积电流的增加促进了脆性金属间化合物 (TiNi,Cr2Ti,Fe2Ti) 的形成.
- 裂在50A的沉积电流下开始,而在这个门以下没有裂. 微硬度从35A增加了31.51%从35A增加到50A.
结论:
- 沉积电流是控制6Al4V/Inconel 718复合材料的特性的一个关键参数.
- 优化沉积电流对于平衡微硬度增强与避免脆性阶段和裂纹至关重要.
- 这项研究为扩大弧形增材制造用于直接沉积Ti6Al4V/Inconel 718复合材料的应用提供了见解.
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