Registration Number
0220U102293,
0118U006290
, R & D reports
Title
Development of compositions and technologies for obtaining ultra-high-temperature ceramics based on zirconium boride with increased values ??of high-temperature strength, erosion resistance and resistance to slipping.
popup.stage_title
Head
Grygoriev Oleg M., Доктор фізико-математичних наук
Registration Date
11-03-2020
Organization
Institute for Problems in Materials Science
popup.description2
The conditions of obtaining, structure and strength properties of ceramics of ZrB2-15% vol.MoSi2, ZrB2-15% vol.WSi2 systems were studied. The technologies of obtaining ceramics by GP method were studied. The basic structural characteristics and the stress-strain state of UHPC were studied. In the industrial production modes for ZrB2-SiC ceramics, the strength level at room temperature and 1800 ° C varied within 380-420 MPa and 216-253 MPa, respectively. The oxidation resistance of zirconium boride composites increased in a range from carbides to silicides. The optimum thickness for using these materials as heat-resistant is 500 microns. . Investigation of the process of erosion of UHTK in the flow of combustion products from a high-temperature plasma burner at a flow temperature of ~ 1600 ° C. Under these conditions at a temperature of 2100 ° C tested UHTK coatings provide an increase in the lifetime of UHTK before the destruction of the surface for at least 20 minutes ( UVTK compounds ZrB2 - 15 MoSi2) and for 12 minutes (UVTK compounds ZrB2 - 3 SiC - 5 WC).
Product Description
popup.authors
Bega Mykola D
Brodnikovskyi Mykola P.
Vynokurov Volodymyr B
Galanov Boris О.
Danylenko Mykola I.
Zhunkivsʹkyy Hryhoriy L
Kozak Igor V
Koroteyev Oleksandr V
Mazur Petro V.
Melakh Lyudmyla M
Mosina Tetyana V
Neshpor Iryna P
Panashenko Viktor M
Subotin Volodymyr I
Yurechko Dmitriy V
popup.nrat_date
2020-04-01
