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Borosilicate Glass

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H.b. Peng – 1st expert on this subject based on the ideXlab platform

  • Difference in radiation effects of sodium Borosilicate Glass and vitreous silica with ions
    Journal of Non-crystalline Solids, 2019
    Co-Authors: M. Guan, Xiaoyang Zhang, K.j. Yang, T.t. Wang, X. Du, T.s. Wang, H.b. Peng

    Abstract:

    Abstract Borosilicate Glass is used to vitrify high-level radioactive waste. Radiation effects on Borosilicate Glass have been studied extensively. Sodium Borosilicate Glass samples with compositions of 67.3% SiO2, 16.7% B2O3 and 16% Na2O in molar percent and vitreous silica were irradiated with multi-energy and single-energy Xe ions. After irradiation, hardness and modulus of both materials were accessed by nanoindentation. Volume change in two materials was evaluated using AFM. The hardness, modulus and volume change of both sodium Borosilicate Glass and vitreous silica varied fast and then saturated with the dose. The trends of both modulus and volume change with the dose for sodium Borosilicate Glass were respectively opposite to those for vitreous silica. The relative hardness variation of sodium Borosilicate Glass was −35%, and that of vitreous silica was about −10%. Difference in radiation effects between the sodium Borosilicate Glass and vitreous silica suggested that hardness decrease in sodium Borosilicate Glass irradiated with ion might be induced not only by transformation of silicate network but also by the transformation of boron network.

  • Variation of hardness and modulus of sodium Borosilicate Glass irradiated with different ions
    Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms, 2018
    Co-Authors: H.b. Peng, M. Guan, Xiaoyang Zhang, X. Du, Wei Yuan, B.h. Duan, T.s. Wang

    Abstract:

    Abstract Borosilicate Glass with characteristics of high thermal, mechanical and chemical resistance has plenty of applications. As one of the candidates who are possible to vitrify high level radioactive waste, the Borosilicate Glass has been studied extensively. The Borosilicate Glass was added with sodium to increase electrical conductivity and decrease viscosity. The tolerance of sodium Borosilicate Glass on irradiation is important to vitrification. In this work, the sodium Borosilicate Glass samples were irradiated with different ions. The dependence of hardness and modulus on irradiation dose was studied. A semi-empirical formulation was proposed. Possible reasons for the change of modulus and hardness were discussed.

  • Effect of irradiation on hardness of Borosilicate Glass
    Journal of Non-crystalline Solids, 2016
    Co-Authors: H.b. Peng, K.j. Yang, Wei Yuan, B.h. Duan, Hao Chen, D. Yang, Liang Chen, T.s. Wang

    Abstract:

    Abstract Borosilicate Glass samples were irradiated by Xe and Kr ions with different fluences. The nanoindentation hardness of samples was measured. For samples irradiated by Xe and Kr ions, the hardness variation dropped with the irradiation dose in displacement per atom. The experimental results are consistent with those of other studies. A rough model was proposed to explain the results of this study and those of others.

T.s. Wang – 2nd expert on this subject based on the ideXlab platform

  • Difference in radiation effects of sodium Borosilicate Glass and vitreous silica with ions
    Journal of Non-crystalline Solids, 2019
    Co-Authors: M. Guan, Xiaoyang Zhang, K.j. Yang, T.t. Wang, X. Du, T.s. Wang, H.b. Peng

    Abstract:

    Abstract Borosilicate Glass is used to vitrify high-level radioactive waste. Radiation effects on Borosilicate Glass have been studied extensively. Sodium Borosilicate Glass samples with compositions of 67.3% SiO2, 16.7% B2O3 and 16% Na2O in molar percent and vitreous silica were irradiated with multi-energy and single-energy Xe ions. After irradiation, hardness and modulus of both materials were accessed by nanoindentation. Volume change in two materials was evaluated using AFM. The hardness, modulus and volume change of both sodium Borosilicate Glass and vitreous silica varied fast and then saturated with the dose. The trends of both modulus and volume change with the dose for sodium Borosilicate Glass were respectively opposite to those for vitreous silica. The relative hardness variation of sodium Borosilicate Glass was −35%, and that of vitreous silica was about −10%. Difference in radiation effects between the sodium Borosilicate Glass and vitreous silica suggested that hardness decrease in sodium Borosilicate Glass irradiated with ion might be induced not only by transformation of silicate network but also by the transformation of boron network.

  • Variation of hardness and modulus of sodium Borosilicate Glass irradiated with different ions
    Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms, 2018
    Co-Authors: H.b. Peng, M. Guan, Xiaoyang Zhang, X. Du, Wei Yuan, B.h. Duan, T.s. Wang

    Abstract:

    Abstract Borosilicate Glass with characteristics of high thermal, mechanical and chemical resistance has plenty of applications. As one of the candidates who are possible to vitrify high level radioactive waste, the Borosilicate Glass has been studied extensively. The Borosilicate Glass was added with sodium to increase electrical conductivity and decrease viscosity. The tolerance of sodium Borosilicate Glass on irradiation is important to vitrification. In this work, the sodium Borosilicate Glass samples were irradiated with different ions. The dependence of hardness and modulus on irradiation dose was studied. A semi-empirical formulation was proposed. Possible reasons for the change of modulus and hardness were discussed.

  • Effect of irradiation on hardness of Borosilicate Glass
    Journal of Non-crystalline Solids, 2016
    Co-Authors: H.b. Peng, K.j. Yang, Wei Yuan, B.h. Duan, Hao Chen, D. Yang, Liang Chen, T.s. Wang

    Abstract:

    Abstract Borosilicate Glass samples were irradiated by Xe and Kr ions with different fluences. The nanoindentation hardness of samples was measured. For samples irradiated by Xe and Kr ions, the hardness variation dropped with the irradiation dose in displacement per atom. The experimental results are consistent with those of other studies. A rough model was proposed to explain the results of this study and those of others.

Stefan Nolte – 3rd expert on this subject based on the ideXlab platform

  • ultrashort laser pulse induced nanogratings in Borosilicate Glass
    Applied Physics Letters, 2014
    Co-Authors: Felix Zimmermann, Stefan Nolte, Anton Plech, Soren Richter, Andreas Tunnermann

    Abstract:

    We report on nanogratings inscribed by repetitive femtosecond laser pulses into the bulk of Borosilicate Glass. The irradiation produces small nanopores (10–20 nm thick) which start to self-organize in gratings as well as elongated sheets of up to 400 nm length. A quantitative description of the grating structure and its development are obtained by a combination of focused ion beam milling, scanning electron microscopy, and small angle X-ray scattering (SAXS). The SAXS partial invariant of the thin sheets is found to correlate well with the measured optical retardance. Compared to fused silica nanogratings Borosilicate Glass shows a much smaller retardance due to re-annealing of pores. In addition, the nanograting period strongly deviates from the well-known λ/2n prediction. We could observe periods down to 60 nm (at an inscribing wavelength of 800 nm). This has not been observed yet in other Glasses.