Structural-phase State of a High-hardness Heatresistant Alloy Formed by Plasma Cladding in a Nitrogen Atmosphere and High-Temperature Tempering

2020 ◽  
Vol 62 (10) ◽  
pp. 1865-1870
Author(s):  
N. N. Malushin ◽  
D. A. Romanov ◽  
A. P. Kovalev ◽  
V. L. Osetkovskii ◽  
L. P. Bashchenko
Keyword(s):  
High Temperature ◽  
Phase State ◽  
Structural Phase ◽  
High Hardness ◽  
Nitrogen Atmosphere ◽  
Structural Phase State ◽  
Plasma Cladding

scholarly journals Influence of the initial structural-phase state on inelastic and plastic strains behavior in coarse-grained samples of the Ti49.3Ni50.7 (at.%) alloy

2022 ◽  
Vol 1213 (1) ◽  
pp. 012004
Author(s):  
D Yu Zhapova ◽  
A I Lotkov ◽  
V N Grishkov ◽  
A A Gusarenko ◽  
I S Rodionov
Keyword(s):  
High Temperature ◽  
Deformation Behavior ◽  
Phase State ◽  
Structural Phase ◽  
Inelastic Strain ◽  
Coarse Grained ◽  
Plastic Strains ◽  
Two Phase ◽  
Structural Phase State ◽  
Maximum Value

Abstract The paper presents the experimental results of studies of the temperature dependence of inelastic and plastic strains during torsion of coarse-grained samples of the Ti49.3Ni50.7 (at.%) alloy. Investigations of the deformation behavior of the test alloy samples in the martensitic, two-phase and high-temperature states have been carried out. It is shown that the value of the summary inelastic strain reaches a maximum value of ∼ 18% under deformation of the samples in the martensitic and two-phase state, as well as in the temperature range of pre-transition phenomena.

The Effect of High-Temperature Annealing on the Structural-Phase State of Ultrafine Grain Steel 0.1C–2V–1Ti–Fe

2017 ◽  
Vol 60 (4) ◽  
pp. 615-623 ◽  
Author(s):  
N. A. Popova ◽  
E. L. Nikonenko ◽  
N. R. Sizorenko ◽  
N. A. Koneva
Keyword(s):  
High Temperature ◽  
Phase State ◽  
Structural Phase ◽  
Ultrafine Grain ◽  
High Temperature Annealing ◽  
Structural Phase State

Influence of composition on the structural-phase state, electrophysical and magnetotransport properties of alloy thin films based on Co and Cu

Vacuum ◽  
2021 ◽  
Vol 187 ◽  
pp. 110141
Author(s):  
I.O. Shpetnyi ◽  
I.Yu Protsenko ◽  
S.I. Vorobiov ◽  
V.I. Grebinaha ◽  
L. Satrapinskyy ◽  
...  
Keyword(s):  
Thin Films ◽  
Phase State ◽  
Structural Phase ◽  
Structural Phase State

Influence of ball milling duration on the morphology, features of the structural-phase state and microhardness of 3Ni-Al powder mixture

2021 ◽  
Author(s):  
Ivan A. Ditenberg ◽  
Denis A. Osipov ◽  
Michail A. Korchagin ◽  
Ivan V. Smirnov ◽  
Konstantin V. Grinyaev ◽  
...  
Keyword(s):  
Ball Milling ◽  
Powder Mixture ◽  
Phase State ◽  
Structural Phase ◽  
Structural Phase State ◽  
Milling Duration ◽  
Al Powder

Effect of Alloying Elements on the Structural Phase State of Hadfield Steel

2021 ◽  
Vol 33 (11) ◽  
pp. 04021324
Author(s):  
Almira Zhilkashinova ◽  
Mazhyn Skakov ◽  
Madi Abilev ◽  
Dossym Yerbolatuly
Keyword(s):  
Phase State ◽  
Structural Phase ◽  
Alloying Elements ◽  
Hadfield Steel ◽  
Structural Phase State ◽  
Effect Of Alloying

scholarly journals Influence of electrolytic plasma nitriding mode on structural phase state of pearlitic steel

2018 ◽  
Vol 143 ◽  
pp. 03004
Author(s):  
Natalya Popova ◽  
Lyudmila Erygina ◽  
Elena Nikonenko ◽  
Mazhin Skakov
Keyword(s):  
Phase State ◽  
Plasma Nitriding ◽  
Water Solution ◽  
Lath Martensite ◽  
Structural Phase ◽  
Pearlitic Steel ◽  
Parallel Plates ◽  
Structural Phase State ◽  
Original State ◽  
Α Phase

The paper describes results of studies of phase transitions in structural phase state occurring in the type 0.34C-1Cr-1Ni-1Mo-Fe steel under electrolytic plasma nitriding in nitrogen-containing water solution. The nitriding voltages considered in the given study were 550 and 600 V. The research was conducted by means of X-ray diffraction electron microscopy. The specimens were studied in two states : 1) before modification (original state) and 2) after nitriding in the surface layer of the specimen. The study was conducted on thin foils. It was found that nitriding lead to significant changes in the structure of steel, namely in its phase composition and in the number of existing phases. In the original state the structure of steel was given as lamellar pearlite, ferritic carbide mix and fragmented ferrite. After 550 V nitriding it was lath martensite, plates of α-phase, with colonies of thin parallel plates of γ-phase and coarse grains of α-phase, containing γ-phase grains which were different in size and shape and were various-directional. Increase in nitriding voltage up to 600 V lead to change in the structure given as a lamellar non-fragmented pearlite and fragmented ferrite. The original state was marked by presence of particles of M3C cementite, after nitriding irrespective of the voltage it had the particles of M3C alloyed cementite, Fe3Mo3N nitride and Cr2C0.61N0.39 carbonitride. The sizes, volume fractions and locations of particles were dependent on nitriding voltage.

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