Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Nadezhda Dudova"'
Autor:
Nadezhda Dudova
Publikováno v:
Metals, Vol 12, Iss 7, p 1119 (2022)
As a promising alloying approach, the modification of chemical composition by increasing the B content and decreasing the N content has been applied to improve the creep resistance of various 9–12% Cr heat-resistant martensitic steels. This paper p
Externí odkaz:
https://doaj.org/article/091a4f0025c146c0815ee1b0eb92d123
Publikováno v:
Metals, Vol 12, Iss 1, p 3 (2021)
This paper presents the results of an experimental investigation of a 12% Cr steel where a significant increase in Charpy impact toughness and a slight decrease in ductile-brittle transition temperature (DBTT) from 70 °C to 65 °C were obtained thro
Externí odkaz:
https://doaj.org/article/081dee3b3cb64b069db32908fb666dde
Autor:
Nadezhda Dudova
Publikováno v:
Metals, Vol 11, Iss 11, p 1837 (2021)
Various aspects of creep and deformation behaviors of metals and alloys at elevated temperatures are of great interest to materials scientists [...]
Externí odkaz:
https://doaj.org/article/1cc60e56cbf44e909cd8a9edb18444c8
Autor:
Alexandra Fedoseeva, Ivan Nikitin, Evgeniy Tkachev, Roman Mishnev, Nadezhda Dudova, Rustam Kaibyshev
Publikováno v:
Metals, Vol 11, Iss 1, p 60 (2020)
Five Co-modified P92-type steels with different contents of Cr, W, Mo, B, N, and Re have been examined to evaluate the effect of the chemical composition on the evolution of Laves phase during creep at 650 °C. The creep tests have been carried out a
Externí odkaz:
https://doaj.org/article/246fd8a0efe948a99ec7327bd211e88f
Publikováno v:
Metals, Vol 7, Iss 12, p 573 (2017)
The effect of increasing tungsten content from 2 to 3 wt % on the creep rupture strength of a 3 wt % Co-modified P92-type steel was studied. Creep tests were carried out at a temperature of 650 °C under applied stresses ranging from 100 to 220 MPa w
Externí odkaz:
https://doaj.org/article/afaa88a08de44850acb82c4c4273ba87
Publikováno v:
Physics of Metals and Metallography. 121:1233-1239
An analysis of mechanical properties has been performed for 12% Cr and 9% Cr steels by means of tension tests at 20 and 650°C and yield tests at 650°C and applied stresses of 200–100 MPa with a step of 20 MPa. The yield strength and ultimate tens
Autor:
Roman Mishnev, Nadezhda Dudova
Publikováno v:
PROCEEDINGS OF THE INTERNATIONAL CONFERENCE “PHYSICAL MESOMECHANICS. MATERIALS WITH MULTILEVEL HIERARCHICAL STRUCTURE AND INTELLIGENT MANUFACTURING TECHNOLOGY”.
Publikováno v:
Russian Metallurgy (Metally). 2019:932-938
—The mechanism of the nucleation of Z-phase (CrVN) particles in a martensitic 10Kh9K3V2MFBR steel (9 wt % Cr) during creep at a temperature of 650°C is studied. The nucleation mechanism of Z-phase particles at a creep temperature of 650°C is foun
Publikováno v:
Materials Letters. 236:81-84
9–12%Cr martensitic steels are perspective materials for critical components of new high-efficiency power plants working at ultra-supercritical parameters of steam. Addition of 0.2% rhenium in the experimental steel improved the short-term creep st
Publikováno v:
Deformation and Fracture of Materials. :8-14