Zobrazeno 1 - 10
of 15
pro vyhledávání: '"I. L. Shkarupa"'
Publikováno v:
Refractories and Industrial Ceramics. 51:437-442
A method is provided for joining (gluing) individual silicon nitride components used in the preparation of structural objects of different types of silicon nitride ceramic with a broad range of porosity (from zero to ~23%). The method includes prepar
Publikováno v:
Refractories and Industrial Ceramics. 49:272-276
Results are provided for a study of the microstructure of ceramics from four different producers by means of a scanning electron microscope and x-ray microanalysis. Results show that ceramic specimens often do not correspond to claimed parameters. Th
Publikováno v:
Refractories and Industrial Ceramics. 52:288-290
A preliminary study is provided of the effect of some grades of commercially available inorganic nanopowders on hardening of concrete based on alumina cement. It is established that there is an increase in concrete hardening rate and an increase in t
Autor:
V. V. Vikulin, I. L. Shkarupa
Publikováno v:
Refractories and Industrial Ceramics. 52:199-201
Trends in research performed by FGUP ONPP Tekhnologiya in the area of nanotechnologies are described. Results of developments have been introduced into the manufacture of articles in the aviation and rocket and space industries as well as new thermal
Publikováno v:
Refractories and Industrial Ceramics. 41:238-241
Special features of formation of the microstructure and phase composition of sintered materials based on Si3N4 and α-sialons synthesized in the Si - Y - Al - O - N system by the method of compressive and microwave sintering are described. It is conc
Publikováno v:
Refractories and Industrial Ceramics. 50:224-226
Research has been done on the microstructure, lattice parameters, and tribological characteristics of materials based on silicon carbide. It has been found that the most promising material from the viewpoint of tribology is silicon carbide made with
Autor:
V. P. Paranosenkov, A. P. Sosulina, A. V. Merkulova, L. V. Chernyavskaya, V. M. Yudin, I. L. Shkarupa
Publikováno v:
Refractories and Industrial Ceramics. 38:231-234
A high-temperature ceramics based on Si3N4 with an ultimate bending strength of 620 MPa at room temperature and 450 MPa at 1300°C has been developed using hot pressure casting and compression sintering. The ceramics is characterized by a high degree
Publikováno v:
Refractories. 37:387-390
The creation of structural ceramic materials based on silicon nitride is considered. The results of a study of the properties of these materials in a wide temperature range are presented, including data on the short-term strength, elastic characteris
Autor:
I. L. Shkarupa, T. F. Baranova
Publikováno v:
Refractories. 37:124-127
Problems of gluing parts made of silicon nitride are considered. The quality of glued joints is estimated. The effects of the composition (the types of binder and filler), the technological parameters (thickness of the joint, roughness of the glued s
Autor:
D. A. Klimov, I. L. Shkarupa
Publikováno v:
Glass and Ceramics. 61:187-189
A comparative analysis of the mechanical treatment of ceramic materials based on aluminum oxide and silicon nitride and carbide is performed. Recommendations for the selection of the type of grinding wheel, the grinding velocity, and the pressure exe