-
1.
Study of glass-ceramic solders behaviour in sapphire-to-niobium seals of discharge lamps
-
(At the enterprises and institutes)
-
The processes occurring in glass-ceramic solders of sapphire-niobium solders used as current leads into gas-discharge lamps with a discharge in alkali metal vapors have been studied. Based on the X-ray ...
-
2.
Lead titanate batch composition influence on thermal expansion coefficience of low-melting glass materials for corundum leak-tight low-temperature soldering
-
(At the enterprises and institutes)
-
The influence of the granulometric parameters of crystalline lead titanate on the thermal expansion coefficient of soldering glass compositions used for low-temperature vacuum-tight soldering of corundum ...
-
3.
Metalloceranic solder for high-pressure sodium-vapour lamps
-
(At the enterprises and institutes)
-
A new composition of cermet solder for high pressure sodium lamps is proposed. This cermet solder is able to ensure the duration of the lamp with an increased specific electrical load up to 12,000 hours, ...
-
4.
Study of the possibility of high-lead glass substitution in low-melting solder-glass with low toxic components
-
(Science for glass production)
-
The possibility of partial or complete replacement of PbO in low-melting glass solders with less toxic components has been investigated. It was found that in systems PbO - P 2 O 5 - ZnO - B 2 O ...
-
5.
Development and synthesis of glass solders with predefined properties
-
(At the enterprises and institutes)
-
Experimentally substantiated recommendations on the choice of compositions and technologies for the synthesis of glass-soldering compositions with specified properties within the limits of soldering temperatures ...
-
6.
MICROSTRUCTURE AND PROPERTIES OF A GLASS-FIBER COMPOSITE DEPENDING ON THE SPECIFIC SURFACE AREA OF THE FILLER – LEAD TITANATE
-
(Not-set)
-
The microstructure of solder compositions based on high-lead low-melting glass and lead titanate as a crystalline filler correcting the temperature coefficient of linear expansion (TCLE) of solder has ...
-
7.
FEMTOSECOND-LASER WELDING OF PHOSPHATE GLASS AND ZING–MAGNESIUM–ALUMINOSILICATE GLASS-CERAMICS
-
(Not-set)
-
The formation of stable connection between materials with different CTE via using femtosecond laser writing is demonstrated. The welding of phosphate glass (CTE = 120?10–7 K–7) to zinc-magnesium-alumosilicate ...
-
8.
Nickel Layer Control on Metallized Ceramics
-
(Not-set)
-
The effect of the thickness and chemical composition of the nickel surface on the vacuum density of VK 94 ceramics after soldering with PSr72 solder has been investigated. It has been established that ...
-
9.
Formation of Surface Conducting Open Conductors on Glass with Electrically Conducting Coating by Gas-Dynamic Method
-
(Not-set)
-
Using the example of glass of composition 15Na 2 O * 10CaO * 75SiO2, the possibility of forming current-carrying buses on an electrically conductive coating by the & # 171; cold & # 187; gas-dynamic ...
-
10.
Synthesis and Properties of Porous Glass Composite Modified by Silicon Carbide
-
(Not-set)
-
The synthesis and properties of a porous glass composite obtained on the basis of cullet powder at temperatures not exceeding 100 ° C using aluminum powder and liquid glass are considered. It is shown ...
-
11.
Physico-chemical properties of low-melting phosphate glasses in relation to tin content
-
(Science for glass production)
-
... over a wide range (0.19 - 4.55 & # 37;), and glasses characterized by weight loss below & # 8776; 3 & # 37 ;, are superior in chemical resistance to lead-borate glasses widely used in soldering compositions. ...
-
12.
Use of improved glassy phosphate composition for water treatment
-
(At the enterprises and institutes)
-
The results of experiments on studying the properties of a glassy phosphate composition, modernized with copper-containing additives, are presented. The composition is designed to protect the surfaces ...
-
13.
Mirror coatings
-
(Coatings)
-
The compositions of reflective coatings for gas-discharge light sources of various types and production technologies are described. Experimental research results are presented and the compositions of experimentally ...
-
14.
Possible applications of super-hard materials and wear-resistant al-loys for rock-cutting tools
-
(At the enterprises and institutes)
-
Provides general information about solid reinforcing materials and steels for rock cutting tools; some problems of efficiency and durability of sintered cermet hard alloys are shown. The possibility of ...
-
15.
Improvement of space-saving luminous tube lamps
-
(At the enterprises and institutes)
-
The composition of the elements of a compact fluorescent lamp is described. The functions and requirements for the bulb, phosphor layer, electrodes and other parts of the lamp are given. Improved technologies ...
-
16.
Low-melting glass based on lead-borate systems
-
(Science for glass production)
-
The state of the art in the development of low-melting glasses, used, in particular, as fluxes for the production of silicate paints, is analyzed. The results of developments and patent data in this area ...
-
17.
Formation of low-temperature seals
and coatings based on lead-tellurium glass
-
(Coatings. Seals.)
-
The process of formation of solders and coatings based on fusible lead-tellurite glasses has been studied. The results of X-ray microanalysis on the distribution of elements in glass-aluminum and glass-quartz ...
