Search Results - "Kurkjian, C. R"

Strength increase of silica glass fibers by surface stress relaxation: A new mechanical strengthening method by Lezzi, P.J., Xiao, Q.R., Tomozawa, M., Blanchet, T.A., Kurkjian, C.R.

“…Pristine silica glass fiber is well known to become mechanically weaker when heat-treated in the presence of water vapor. However, the same fiber was found to…”
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The intrinsic strength and fatigue of oxide glasses by Kurkjian, C.R, Gupta, P.K, Brow, R.K, Lower, N

“…Recent studies on the strength of glass fibers suggest that the time is ripe for new, fundamental studies in this area which may significantly advance our…”
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Mechanical and structural properties of phosphate glasses by Karabulut, M, Melnik, E, Stefan, R, Marasinghe, G.K, Ray, C.S, Kurkjian, C.R, Day, D.E

“…Mechanical and structural properties of sodium (NAFP) and zinc (ZAFP) iron–aluminum–phosphate bulk glass and fibers have been investigated. Young's modulus of…”
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Effects of surface hydration on the deposition of silane monolayers on silica by Le Grange, J. D, Markham, J. L, Kurkjian, C. R

“…The deposition of a silane monolayer on silica depends on the chemical reactions between the silane molecules and the hydroxyl groups on the silica surface. We…”
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Mechanical properties of phosphate glasses by Kurkjian, C.R

“…The strengths of fibers drawn from three metaphosphate glasses [NaPO 3, Zn(PO 3) 2 and a Schott laser glass, LG 770, with the approximate molar composition 20K…”
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Nanoscale roughness of oxide glass surfaces by Gupta, Prabhat K., Inniss, Daryl, Kurkjian, Charles R., Zhong, Qian

“…A comparative atomic force microscopy (AFM) study of melt-formed and fracture surfaces of silica and E-glass is reported. It is proposed that the minimum…”
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Melt coating of tin on silica optical fiber by Seo, H.S., Paek, U.C., Oh, K., Kurkjian, C.R.

“…The coating of a silica optical fiber with molten tin metal is analyzed rigorously by developing a numerical method based on two- and three-dimensional (2- and…”
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Strength of silica optical fibers with micron size flaws by Semjonov, S.L, Kurkjian, C.R

“…Silica fibers have been indented with a diamond having a cube-corner tip. The tensile strengths of fibers indented with loads from 0.2 to 10 g were 465–130…”
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Acid stripping of fused silica optical fibers without strength degradation by Matthewson, M.J., Kurkjian, C.R., Hamblin, J.R.

“…Glass optical fibers are almost always coated with a polymer immediately after drawing to protect them from subsequent handling damage. When studying the…”
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Residual stresses in a doubly clad fiber with depressed inner cladding (DIC) by Park, Y., Oh, K., Paek, U.C., Kim, D.Y., Kurkjian, C.R.

“…Thermal and mechanical stresses developed in concentric three-layered optical fiber-core, and inner and outer cladding, have been thoroughly studied for…”
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Strength and fatigue of silica optical fibers by Kurkjian, C.R., Krause, J.T., Matthewson, M.J.

“…After a brief review of early lightguide work, the authors assess advances since the mid-1970s. They note important work on strength distributions and…”
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Intrinsic failure and non-linear elastic behavior of glasses by Gupta, Prabhat K., Kurkjian, Charles R.

“…Inert failure strains of carefully prepared glass fibers, measured by using the two-point bending technique, are large. For example, the failure strain is…”
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Diffusion of moisture through optical fiber coatings by Mrotek, J.L., Matthewson, M.J., Kurkjian, C.R.

“…The strength of polymer-coated fused silica optical fiber is dependent on the ambient moisture because of stress corrosion. The diffusion rate of water vapor…”
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Perspectives on the History of Glass Composition by Kurkjian, Charles R., Prindle, William R.

“…The 100th anniversary of The American Ceramic Society corresponds approximately with the 100th anniversary of what might be considered the start of the age of…”
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Inert failure strain studies of sodium silicate glass fibers by Lower, Nathan P., Brow, Richard K., Kurkjian, Charles R.

“…The inert failure strains of glass fibers with the molar compositions xNa2O·(1−x)SiO2, where 0⩽x⩽0.35, were measured under liquid nitrogen (77K) using a…”
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Single-valued strength of ‘‘perfect’’ silica fibers by Kurkjian, C. R., Paek, U. C.

“…An analysis has been made of the tensile strength statistics of two silica fibers with quite different degrees of diameter uniformity. It has been found that…”
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Humidity Dependence of the Fatigue of High-Strength Fused Silica Optical Fibers by Armstrong, Janet L., Matthewson, M. John, Kurkjian, Charles R.

“…Strength and dynamic fatigue behavior of silica fibers has been measured as a function of ambient humidity. Bare and polymer‐coated fibers were compared to…”
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Inert failure strains of sodium aluminosilicate glass fibers by Lower, Nathan P., Brow, Richard K., Kurkjian, Charles R.

“…The inert failure strains ( ε f) of glass fibers from the compositional series 25Na 2O · xAl 2O 3 · (75 − x)SiO 2, where 0 ⩽ x ⩽ 32.5, were measured at 77 K…”
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Diffusion of moisture through fatigue- and aging-resistant polymer coatings on lightguide fibers by Mrotek, J.L., Matthewson, M.J., Kurkjian, C.R.

“…In previous work the diffusion rate of water vapor through the polymer coating on optical fiber was estimated by monitoring the strength as a function of time…”
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Mechanical strength of particulate silica gels by RABINOVICH, E. M, KURKJIAN, C. R, KOPYLOV, N. A, FLEMING, D. A

“…The wet and dry strengths of particulate (colloidal) silica gels have been studied. It is shown that these strengths are a function of particle size of the…”
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