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On the method for determining the true strength of inorganic glasses

التفاصيل البيبلوغرافية
العنوان: On the method for determining the true strength of inorganic glasses
المؤلفون: L. G. Baikova, T. I. Pesina, M. F. Kireenko, S. R. Kurkjian, Zh. Tang, L. V. Tikhonova, V. P. Pukh
المصدر: Technical Physics. 58:1447-1452
بيانات النشر: Pleiades Publishing Ltd, 2013.
سنة النشر: 2013
مصطلحات موضوعية: Stress (mechanics), symbols.namesake, Materials science, Compressive strength, Physics and Astronomy (miscellaneous), Flexural strength, Plastic bending, symbols, Young's modulus, Bending, Composite material, Elastic modulus, Size effect on structural strength
الوصف: The possibility of determining the true structural strength of glass by bending of glass fibers with a defect-free surface is considered. Two methods are compared, viz., the method of transverse three-point bending in which the breaking stress (strength) is determined, and the method of two-point bending in which the breaking strain is determined. In the latter case, the dependence of the elastic modulus on strain is required for determining the breaking stress (strength). The strength measured in three-point bending is compared with the strength calculated from the breaking strain measured in two-point bending. It is shown that the measurements based on these two methods give close values of strength for defect-free silica fibers used as optical waveguides. The observed difference of ∼12% in the values of strength is explained by the difference in the loading rates obtained using these two methods. The advantages and disadvantages of these two techniques are analyzed.
تدمد: 1090-6525
1063-7842
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::c5c711093d5e004504cb66da06852efd
https://doi.org/10.1134/s1063784213100034
حقوق: CLOSED
رقم الأكسشن: edsair.doi...........c5c711093d5e004504cb66da06852efd
قاعدة البيانات: OpenAIRE
الوصف
تدمد:10906525
10637842