SU513945A1 - Glass - Google Patents

Glass

Info

Publication number
SU513945A1
SU513945A1 SU2028647A SU2028647A SU513945A1 SU 513945 A1 SU513945 A1 SU 513945A1 SU 2028647 A SU2028647 A SU 2028647A SU 2028647 A SU2028647 A SU 2028647A SU 513945 A1 SU513945 A1 SU 513945A1
Authority
SU
USSR - Soviet Union
Prior art keywords
glass
sro
cao
mgo
oxide
Prior art date
Application number
SU2028647A
Other languages
Russian (ru)
Inventor
Янис Альбертович Вайвад
Силвия Екабовна Лагздиня
Дайла Кристаповна Петерсоне
Улдис Янович Седмалис
Айя Освалдовна Калниня
Original Assignee
Рижский Ордена Трудового Красного Знамени Политехнический Институт
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Рижский Ордена Трудового Красного Знамени Политехнический Институт filed Critical Рижский Ордена Трудового Красного Знамени Политехнический Институт
Priority to SU2028647A priority Critical patent/SU513945A1/en
Application granted granted Critical
Publication of SU513945A1 publication Critical patent/SU513945A1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00Glass compositions
    • C03C3/04Glass compositions containing silica
    • C03C3/062Glass compositions containing silica with less than 40% silica by weight

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)

Description

предлагаемое стекло обладает следующ ми свойствами: Кристаллизационна  способность Не кристаллизу етс  в течение при 600-ЮОО С Светопропускание при нм и толщине образца 5 мм, % Показатель преломлени  1,517-1,546 Температура разм гчени , с 440-580 Плотность, г/смз 2,59-3,16 Коэффициент линейного расши (80/-140).10 рени  в интервале 20-400°С, Водостойкость (потери веса при 0,1-1,5 кип чении порошка стекла 1 час), % Фор м л а изобретен и   Стекло, включающее , SiOg, АЬОг, агОз, о т л и ч а ю щ е с с   тем, что, с целью меньшени  кристаллизационной способности увеличени  светопропускани  в ультрафиоетовой области спектра, оно дополнительно держит NaoO и по крайней мере один окил из группы: ВаО, SrO, СаО, MgO, ВеО- и следующем соотношении указанных комонентов , вес. %: PsOs 54,00-82,00 ЗЮг 2,50-10,00 АЬОз 2,70-7,50 ЬэзОз 3,50-15,50 NasO 2,50-7,00 и, по крайней мере, один окисел из группы ВаО, SrO, СаО, MgO, ВеО6-30.The proposed glass has the following properties: Crystallization ability of Not crystallizes for 600 ° S). Light transmittance at nm and sample thickness 5 mm,% Refractive index 1.517-1.546 Softening temperature, 440-580 Density, g / cm3 2.59 -3.16 Coefficient of linear expansion (80 / -140) .10 rhenium in the range of 20-400 ° C. Water resistance (weight loss at 0.1-1.5 boiling of glass powder for 1 hour),% Form l and invented and Glass, including, SiOg, ABOg, AgOz, o tl and h yu with so that, in order to reduce the crystallization capacity of increasing launched in the ultraviolet region of the spectrum, it additionally holds NaoO and at least one oxide from the group: BaO, SrO, CaO, MgO, BeO- and the following ratio of the components indicated, wt. %: PsOs 54.00-82.00 South Africa 2.50-10.00 ALOZ 2.70-7.50 HLO3 3.50-15.50 NasO 2.50-7.00 and at least one oxide from the group BaO, SrO, CaO, MgO, BeO6-30.

SU2028647A 1974-05-31 1974-05-31 Glass SU513945A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU2028647A SU513945A1 (en) 1974-05-31 1974-05-31 Glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU2028647A SU513945A1 (en) 1974-05-31 1974-05-31 Glass

Publications (1)

Publication Number Publication Date
SU513945A1 true SU513945A1 (en) 1976-05-15

Family

ID=20585997

Family Applications (1)

Application Number Title Priority Date Filing Date
SU2028647A SU513945A1 (en) 1974-05-31 1974-05-31 Glass

Country Status (1)

Country Link
SU (1) SU513945A1 (en)

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