Near-infrared normal spectral emissivity of molten Fe-Ni alloys by electromagnetic heating

被引：2

作者：

Yu, Kun ^{[1
]}

Bai, Yinxue ^{[1
]}

Wang, Gangquan ^{[1
]}

Li, Longfei ^{[1
]}

Zhang, Kaihua ^{[1
]}

Liu, Yufang ^{[1
]}

机构：

[1] Henan Normal Univ, Sch Phys, Henan Key Lab Infrared Mat & Spectrum Measures & A, Xinxiang 453007, Henan, Peoples R China

来源：

INFRARED PHYSICS & TECHNOLOGY | 2023年 / 130卷

基金：

美国国家科学基金会;

关键词：

Near -infrared normal spectral emissivity; Iron -nickel alloys; Wavelength; Composition; DEPENDENCE; NICKEL;

D O I：

10.1016/j.infrared.2023.104574

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The spectral emissivity of molten Fe-Ni alloys is especially critical to analysis the performance and quality of alloy. The near-infrared normal spectral emissivity of molten Fe-Ni alloys was measured at 1000-1600 nm in the temperature range of 1690-1845 K by a self-built measurement apparatus using the electromagnetic heating technology. The measurement apparatus mainly consists of the electromagnetic heating furnace, blackbody, optical fiber spectrometer and colorimetric thermometer. The dependence of near-infrared normal spectral emissivity of Fe-Ni alloys (Ni, Fe10Ni90, Fe30Ni70, Fe50Ni50, Fe70Ni30, Fe90Ni10 and Fe) on wavelength, temperature and composition were systematically investigated. The results show that the emissivity of Fe70Ni30 is higher in the iron-rich area, while the emissivity of Fe30Ni70 is the lowest in the nickel-rich area. Comparison of the measured and simulated results show that the emissivity of molten Fe-Ni alloys is reliable. The emissivity of Fe-Ni alloys provides reliable data for the research of alloys properties.

引用

页数：6

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