低发射率兼低光泽颜填料Al-Sr10的制备及其消光机理研究

王业健; 徐国跃; 谭淑娟; 王梅丰

低发射率兼低光泽颜填料Al-Sr10的制备及其消光机理研究

1.
中国特种飞行器研究所结构腐蚀防护与控制航空科技重点实验室, 湖北荆门 448035
2.
南京航空航天大学材料科学与技术学院, 江苏南京 211106
3.
南昌航空大学材料科学与工程学院, 江西南昌 330063

详细信息

作者简介:
王业健（1998-），男，湖北荆州人，助理工程师，硕士，研究方向：材料的腐蚀损伤分析，多频谱兼容隐身材料

通讯作者:
徐国跃（1958-），男，江苏南京人，教授，博士生导师，研究方向：特种功能材料关键技术。E-mail: xuguoy@nuaa.edu.cn

中图分类号: TN213
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- 被引次数: 0
出版历程
- 收稿日期: 2022-07-22
- 修回日期: 2022-08-23
- 刊出日期: 2024-04-20

Preparation of Low Emissivity and Low Gloss Filler Al-Sr10 and its Extinction Mechanism

1.
Key Laboratory of Structural Corrosion Protection and Control Aerospace Science and Technology, China Special Aircraft Research Institute, Jingmen 448035, China
2.
College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
3.
College of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China

摘要

摘要: 为了探究Al-Sr10具有低光泽属性的本质，对该材料进行X射线衍射、X射线能量色散谱、面扫元素分析、8~14 μm红外发射率、光泽度及400~760 nm可见光反射率测试。并采用高能球磨法制备该颜填料，通过扫描电子显微镜等手段探究Al-Sr10颜填料的组分、形态和光学性能随球磨时间的变化。结果表明，Al-Sr10表面易氧化形成灰黑色氧化锶，以及固溶体中的锶元素产生等离激元效应共同作用导致材料消光；Al-Sr10颜填料的物相不会随球磨时间变化，在一定时间内，材料的片状化程度、发射率和光泽度性能随时间的延长得到改善，其中球磨15 h后的颜填料其片状化程度高，发射率低至0.123，光泽度低至3.8。
- Al-Sr10 /
- 低光泽 /
- 等离激元效应 /
- 发射率 /
- 球磨时间
Abstract: To evaluate the nature of the low gloss properties of Al-Sr10, X-ray diffraction, X-ray energy dispersive spectroscopy, face scan elemental analysis, 8−14 μm infrared emissivity, gloss, and 400−760 nm visible reflectance tests are performed on the material. The Al-Sr10 filler is prepared by high-energy ball milling, and changes in the components, morphology, and optical properties of the Al-Sr10 filler with the ball milling time are evaluated by scanning electron microscopy. The results show that the surface of Al-Sr10 is easily oxidized to form gray-black strontium oxide, and the effect of strontium in the solid solution leads to the extinction of the material. The components of the Al-Sr10 filler do not change with the ball milling time, and the lamellarization, emissivity, and gloss properties of the material increase with time. The degree of lamellarization of the filler after 15 h of ball milling is high, the emissivity is as low as 0.123, and the gloss is as low as 3.8.
- Al-Sr10 /
- low gloss /
- Plasma excitation effect /
- emissivity /
- ball milling time

HTML全文

图 1 Z-X材料的XRD测试曲线及金相显微结构：(a) Z-X材料的XRD衍射强度；(b) Z-X的金相照片；(c) 铝的金相照片

Figure 1. XRD and metallographic microstructure of Z-X powder: (a) XRD diffraction intensity of Z-X materials; (b) Metallographic photograph of Z-X; (c) Metallographic photograph of Al

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图 2 Z-X粉体能谱测试及Mapping数据：(a) Z-X粉体的能谱图；(b) Z-X的面扫元素图；(c) Sr在(b)图中的分布

Figure 2. Z-X powder energy spectrum test and Mapping data: (a) Energy spectra of Z-X powder; (b) Surface-swept element diagram of Z-X; (c) Distribution of Sr in (b)

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图 3 Sr元素等离激元振动模型

Figure 3. Plasma primitive vibration model of Sr element

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图 4 未球磨粉体400~760 nm可见光反射率曲线

Figure 4. Visible light reflectance curve at 400−760 nm of non-ball-milled powder

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图 5 不同球磨时间下Z-X的XRD衍射强度数据：(a) 5 h；(b) 10 h；(c) 15 h；(d) 20 h

Figure 5. XRD diffraction intensity of Z-X under different ball milling time: (a) 5 h; (b) 10 h; (c) 15 h; (d) 20 h

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图 6 不同球磨时间下的Z-X样品SEM测试：(a) 0 h；(b) 5 h；(c) 10 h；(d) 15 h；(e) 20 h

Figure 6. SEM of Z-X under different ball milling time: (a) 0 h; (b) 5 h; (c) 10 h; (d) 15 h; (e) 20 h

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图 7 不同球磨时间下的纯铝样品SEM测试：(a) 0 h；(b) 5 h；(c) 10 h；(d) 15 h；(e) 20 h

Figure 7. SEM of Al under different ball milling time: (a) 0 h; (b) 5 h; (c) 10 h; (d) 15 h; (e) 20 h

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图 8 Z-X和纯铝颜填料的发射率及光泽度随球磨时间的变化

Figure 8. Variation of emissivity and glossiness with ball milling time for Z-X and Al fillers

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表 1 块材发射率及光泽度等测试数据

Table 1. Test data of block emissivities and glossiness

Sample Emissivities Glossiness (60°) ω_p/(10¹⁵ rad/s) ω_p/(10¹³ rad/s)

Z-X 0.145 10.9 21.73^[19] 10.81^[19]

Al 0.128 15.2 22.42^[19] 12.43^[19]

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