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

Luo, Zhiwei ; Qu, Gao ; Zhang, Yuhua ; Cui, Lei ; Lu, Anxian

Journal of non-crystalline solids, 2013-10, Vol.378, p.45-49 [Periódico revisado por pares]

Oxford: Elsevier B.V

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Título:
Transparent oxynitride glasses: Synthesis, microstructure, optical transmittance and ballistic resistance
Autor: Luo, Zhiwei ; Qu, Gao ; Zhang, Yuhua ; Cui, Lei ; Lu, Anxian
Assuntos: Ballistic resistance ; Batch type furnaces ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Condensed matter: structure, mechanical and thermal properties ; Density ; Elastic modulus ; Elasticity, elastic constants ; Equations of state, phase equilibria, and phase transitions ; Exact sciences and technology ; Glass ; Mechanical and acoustical properties of condensed matter ; Mechanical properties ; Mechanical properties of solids ; Optical constants: refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity ; Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation ; Optical properties of bulk materials and thin films ; Optical transmittance ; Oxynitride glasses ; Oxynitrides ; Physics ; Sapphire ; Scanning electron microscopy ; Solid-liquid transitions ; Specific phase transitions ; Transmittance ; Tribology and hardness
É parte de: Journal of non-crystalline solids, 2013-10, Vol.378, p.45-49
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Oxynitride glasses with five different compositions were prepared by melting batches at 1600°C for 2h under N2 atmosphere 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 (1mm, 2mm and 3mm thickness) can reach up to 80% in the visible region (above 400nm). The Vickers indentations were analyzed by the scanning electron microscopy (SEM). The ballistic resistance represented by Drel value was assessed by physical and mechanical properties including density, hardness, elastic modulus and fracture toughness. It was found that the Drel value of oxynitride glasses can reach up to 2.56 and is higher than that of sapphire, which is 2.4. •The transmittance of obtained glasses can reach 80% in the visible region.•Mechanical properties related to ballistic resistance were discussed.•The ballistic resistance of oxynitride glasses with different compositions was studied.•It is proved that oxynitride glasses can have a higher Drel value than sapphire.
Editor: Oxford: Elsevier B.V
Idioma: Inglês

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

Luo, Zhiwei ; Qu, Gao ; Zhang, Yuhua ; Cui, Lei ; Lu, Anxian

Oxford: Elsevier B.V

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