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Updated: Feb 7, 2026

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3D Printing - Evaluating Particle Emissions of a 3D Printing Pen
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一个类似于Janus的生物灵感战略,用于3D打印的双金属元材料,具有出色的热保护和承载能力.
Zhicheng Dong1,2,3, Wei Cheng2,3, Yu He1,3
1School of Aeronautics, Northwestern Polytechnical University, Xi'an, China.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|February 5, 2026
概括
本研究介绍了用于高超音速应用的3D打印双金属元材料. 有4%SiC的生物灵感设计增强了热保护和承载能力,在极端条件下改善了能量吸收.
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
- 航空航天工程 航空航天工程
背景情况:
- 超音速飞行带来了重要的热保护挑战.
- 在先进的航空航天应用中,将热保护与承载能力相结合至关重要.
- 双金属元材料为应对这些挑战提供了一个有前途的方法.
研究的目的:
- 开发和描述类似于Janus的,生物灵感的,3D打印的双金属金属材料.
- 研究碳化 (SiC) 强化对机械和热性能的影响.
- 为了评估这些超材料在极端温度条件下的性能,用于航空航天应用.
主要方法:
- 双金属元材料的制造使用双选择性激光化与不同的SiC体积分数 (0,4,8体积%) 的制造.
- 在现场扫描电子显微镜 (SEM) 拉力测试在25°C和250°C.
- 半静态压缩测试的状腺三重周期性最小表面 (TPMS) 格子.
主要成果:
- 损坏仅限于两种合金之间的狭窄过渡区域.
- 双金属结构有效地重定向负载,稳定机械反应.
- 含有4%体积SiC的结构在不同温度的特定能量吸收方面显著改善 (高达18.8%).
- 4体积%的SiC促进了分布式剪带网络,延迟了故障并增加了负载能力,而不是0和8体积%的SiC.
结论:
- 拟议的Janus-like双金属元材料在极端环境下提供协同作用的机械改进和稳定的能量吸收.
- 4体积%的SiC成分提供了一个最佳的平衡,以提高性能,避免过早的崩.
- 这项研究为制造用于航空航天应用的集成,热保护和承载元件提供了切实可行的途径.
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