Change of internal stress of carbon superhard condensates at a process of annealing

yesSuperhard carbon coatings with thickness from 5 nm up to 10 mm were obtained by vacuum-arc deposition of carbon plasma on sublayers from stainless steels, titanium and silicon under the temperature from 50 up to 150 8C. Correlation dependences between conditions of formation of carbon condensates and change of internal stresses in them at a process of annealing in a range of temperatures from 200 up to 475 8C were examined. It was shown that the character of internal stresses changing at a process of annealing of carbon condensates had proof correlation with the parameters of deposition and it could be used for identification of coatings and for control of their propertiesBelgorod State Universit

Change of internal stress of carbon superhard condensates at a process of annealing

Superhard carbon coatings with thickness from 5 nm up to 10 mm were obtained by vacuum-arc deposition of carbon plasma on sublayers from stainless steels, titanium and silicon under the temperature from 50 up to 150 8C. Correlation dependences between conditions of formation of carbon condensates and change of internal stresses in them at a process of annealing in a range of temperatures from 200 up to 475 8C were examined. It was shown that the character of internal stresses changing at a process of annealing of carbon condensates had proof correlation with the parameters of deposition and it could be used for identification of coatings and for control of their propertiesyesBelgorod State Universit

Academician G.N. Speransky (1873–1969) and Moscow School of Pediatricians. In mark of 50th anniversary of the scientist death day

The article presents the main milestones of the life and work of the academician G.N. Speransky, the scientific priorities of the scientist, and the scientific activities of some of his outstanding students. Since 1931, G.N. Speransky, the head of the Department of Pediatrics of the Central Institute for Advanced Medical Studies, is the author of more than 200 scientific papers on the development of the problems of physiology and pathology of early childhood, including the neonatal period. He scientifically substantiated methods of feeding, caring and raising children. G.N. Speransky, together with co-authors, was awarded the Lenin Prize for a series of works on the physiology and pathology of young children. A significant number of his works are devoted to neonatal sepsis, respiratory diseases, and acute gastrointestinal diseases. In 1922, G.N. Speransky organized journal “Pediatrics”, he was the editor for 47 years. G.N. Speransky was also the editor of the Pediatrics section of the 1st and 2nd editions of the Big Medical Encyclopedia, chairman of the All-Union Society of Pediatricians