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Borosilicate temperature dependence

Borosilicate glasses have a maximum service temperature of the order of 500°C and, with some compositions, 600°C. Selected types are used to make matching seals with iron-nickel-cobalt alloy, with molybdenum and with tungsten. The softening temperature depends on the composition and is about 625°C. [Pg.1]

The thermal expansion also depends on the composition and varies (from 3.3 x 10 per °C for ordinary borosilicate glass (widely used for laboratory glassware) to 7.2 x 10 per °C for speeial types used in graded seals. The annealing temperature, depending on composition, is from 510°C to 600°C. [Pg.1]

The coagulation of hydrolysed aluminium salts has been studied using A1 NMR spectroscopy. The hydrolysis of mixed solutions of Al , Ga ", Ln , and Zr" has been studied by Al and Ga NMR spectroscopy. A C and A1 NMR study of the interaction between Al and tiron, salicylic acid, and phthaUc add has been reported. B, A1, and Si NMR studies of the temperature dependent structural changes in borate, borosilicate, and boro-aluminate Uquids have been reported. The interaction of aluminosilicates by HF has been investigated. Aluminium in polysilicic acid has been speciated using A1 NMR spectroscopy. C, A1 and P NMR spectroscopy has been used to study the formation of Al-NTA-phosphate complexes. The selfdiffusion coefficients of the ATP complex of Al have been studied by H and P pulsed-field gradient NMR spectroscopy. H NMR spectroscopy has been used to study the interaction of Al with phosphatidylcholine vesicles. ... [Pg.66]

Similar methods have been used to prepare CdS NCs in optical quality borosilicate glasses." Nonlinear optical characterization of one composite sample with particle sizes ranging from 2.5-5.5nm yielded a range for of 10 -10 esu. Optical gain measurements of a similar material afforded a value of 33 cm at room temperature. At 11 K, maximum gain values reached 200 cm , and like the optical nonlinearities, these values were also dependent on NC concentration. ... [Pg.5921]

See other pages where Borosilicate temperature dependence is mentioned: [Pg.873]    [Pg.105]    [Pg.584]    [Pg.961]    [Pg.159]    [Pg.245]    [Pg.39]    [Pg.902]    [Pg.221]    [Pg.1498]    [Pg.765]    [Pg.101]    [Pg.11]    [Pg.12]    [Pg.15]    [Pg.591]    [Pg.171]    [Pg.201]    [Pg.194]    [Pg.8]    [Pg.88]    [Pg.22]    [Pg.38]    [Pg.78]    [Pg.944]    [Pg.156]    [Pg.77]    [Pg.93]    [Pg.291]    [Pg.337]    [Pg.382]    [Pg.72]    [Pg.461]    [Pg.83]    [Pg.87]    [Pg.584]    [Pg.586]    [Pg.278]    [Pg.300]    [Pg.147]    [Pg.155]    [Pg.461]    [Pg.171]    [Pg.44]    [Pg.375]    [Pg.1563]   
See also in sourсe #XX -- [ Pg.639 ]



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Borosilicates

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