Transparent oxynitride glasses: Synthesis, microstructure, optical transmittance and ballistic resistance

Transparent oxynitride glasses: Synthesis, microstructure, optical transmittance and ballistic resistance
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透明氮氧化物玻璃:合成、微观结构、透光率和防弹性能

DOI:
10.1016/j.jnoncrysol.2013.06.011
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发表时间:
2013-10
影响因子:
3.5
通讯作者:
Lu, Anxian
Lu, Anxian
中科院分区:
材料科学2区
文献类型:
--
作者:
Qu, Gao;Zhang, Yuhua;Cui, Lei;Lu, Anxian

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在Si-Mo加热的电阻炉中,在N2气氛下,通过在1600 °C下熔融批料2 h来制备具有五种不同组成的氧氮化物玻璃。用Cu/Kα辐射X射线衍射仪证实了这些样品的非晶态性质。紫外/可见光区的透射光谱表明,在可见光区(400 nm以上),1 mm、2 mm和3 mm厚度的玻璃透过率可达80%以上。通过扫描电子显微镜(SEM)分析维氏压痕。用密度、硬度、弹性模量和断裂韧性等物理力学性能评价了Drel值表示的防弹性能。发现氧氮化物玻璃的Drel值可达2.56,高于蓝宝石玻璃的Drel值2.4。
Oxynitride glasses with five different compositions were prepared by melting batches at 1600 °C for 2 h under N2atmosphere in a Si–Mo-heated resistance furnace. The amorphous nature of these samples was verified by an X-ray diffractometer with Cu/Kα radiation. UV/visible wavelength region light transmission spectra of samples showed that the transmittance of the obtained glasses (1 mm, 2 mm and 3 mm thickness) can reach up to 80% in the visible region (above 400 nm). The Vickers indentations were analyzed by the scanning electron microscopy (SEM). The ballistic resistance represented byDrelvalue was assessed by physical and mechanical properties including density, hardness, elastic modulus and fracture toughness. It was found that theDrelvalue of oxynitride glasses can reach up to 2.56 and is higher than that of sapphire, which is 2.4.
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