Ion exchanged glass
Web15 sep. 2004 · Fig. 1 shows the measured residual stress profiles in ion exchanged (450 °C/1 h) glass using the technique described in [15].Since the stress relaxation effect within 1 h at 450 °C is not significant (<5%) for glasses with the same composition as the ion exchanged layer [14], it can be neglected.The sub-surface maximum of the stress profile … WebAppl. Opt. 33(16) 3333-3337 (1994) Birefringence control for ion-exchanged channel glass waveguides. Pekka Äyräs, Gualtiero Nunzi Conti, Seppo Honkanen, and Nasser …
Ion exchanged glass
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Web1 mei 2024 · Ion-exchanged glasses are widely used in optoelectronic devices due to its high strength and optical waveguide effects. The MgF 2 films deposited on the ion-exchanged glasses and the ion-exchanged glasses bombarded by argon ions (100 eV) at 220 °C were investigated in the present work. The microstructure of MgF 2 films and the … Web1 aug. 2024 · It can be found that chemical stability of ion-exchanged LD glass was temperature-dependent. The residual compressive stress induced by ion-exchange increased the chemical potential of alkali ions in glass, and the ion-exchanged LD glass, especially 235 °C/64 h group, chemical stability in artificial saliva for 21 days were …
WebIon-exchanged glass is a type of glass that has been treated to enhance its strength and durability by exchanging ions within the glass structure. The process involves … Web10 apr. 2024 · However, if the ion-exchange process continues for a bulk glass, the surface compressive stress will increase, while the tensile stress inside the glass will rapidly increase. Additionally, a complete diffusion throughout the thickness could create severe internal-compressive stress, resulting in failure of the material ( Shan et al., 2024 ; …
Web1 aug. 2016 · Ion exchange is a chemical method to increase the mechanical strength on the surface of glass-based materials, in which an exchange between an alkaline ion … WebIntech-Ion Exchange in Glass
Web21 nov. 2016 · Chemical strengthening of aluminosilicate glasses through K+–Na+ ion exchange has attracted tremendous attentions because of the accelerating demand for high strength and damage resistance glasses. However, a paramount challenge still exists to fabricate glasses with a higher strength and greater depth of ion-exchange layer (DOL). …
Web1 jul. 2024 · Physical properties of CS glass. Ion-exchange is known to affect both the mechanical and optical properties of silicate glasses. Although still not fully understood, the physical behavior in ion-exchanged glass often differs substantially from its ‘compositionally-equivalent, as-melted’ (CEAM) counterpart [34]. notorious female gangstersWeb17 mei 2016 · This suppression of dynamic fatigue characteristics of ion-exchange strengthened glass was explained by the ability of the surface compressive layer to delay the onset of slow crack growth. Bulk stresses continue to increase in magnitude while the crack is arrested in the surface compressive stress region. how to shave a perfect beard linehow to shave a pillWeb17 mrt. 2024 · Ag +-Na + ion-exchange is a well-established technique to modify the optical properties of soda lime silicate glass by replacing glass sodium ions with silver ions at … notorious fireworkWebIon exchange is widely used in the food and beverage industry, hydrometallurgy, metals finishing, chemical, petrochemical, pharmaceutical technology, sugar and sweetener … notorious flac rutrackerWeb1 aug. 2024 · For the electric field-assisted ion exchange treatments, a salt mixture (2:1 by weight) of KNO 3 (Fluka, ≥99.0 % pure) and KCl (AnalytiCals Erba, nominal purity 99.5 … notorious fire companyWeb24 aug. 2024 · Ion-exchange procedure steps: 1) covering uniformly, the precisely cleaned surface of soda-lime glass with mixed NaNO 3 /AgNO 3 fine powder; 2) melting the powder and ion exchanging the silver ions with some Na + ions of the glass matrix at T = 390 °C for 2 h; 3) formation of ion-exchanged layer in vicinity of surface of the sample. how to shave a military beret