Results 31 to 40 of about 6,043 (209)

Features of the nanostructure formation in the Nd-Pr-Fe-B-system alloys: a study by AFM and MFM

St. Petersburg Polytechnical University Journal: Physics and Mathematics, 2022
In this work, polycrystalline samples of hard-magnetic materials of (Nd1– xPrx)2Fe14B general formula have been prepared and subjected to severe plastic deformation (SPD).
Tereshina Irina, Politova Galina, Kaminskaya Tatiana, Popov Vladimir, Gunderov Dmitry, Filimonov Alexey, Pelevin Ivan   +6 more
doaj   +1 more source

Thermodynamics and kinetics of solids fragmentation at severe plastic deformation [PDF]

, 2015
The approach of nonequilibrium evolution thermodynamics earlier offered is developed. It helps to describe the processes of defect formation within the adiabatic approximation.
Khomenko, A. V., Metlov, L. S., Troshchenko, D. S.   +2 more
core   +2 more sources

Investigation of mechanical properties on composite materials by several of severe plastic deformation (SPD) methods

IOP Conference Series: Materials Science and Engineering, 2019
Abstract The technology of severe plastic deformation (SPD) is the process on forming metals of large plastic strain that is used for mass production in order to make ultrafine-grained (UFG). Through research on the characterization of aluminium-based composite materials with several SPD methods, the ideal variable will be obtained in ...
A Pramono, K Dhoska, A Alhamidi, A Trenggono, A Milandia   +4 more
openaire   +1 more source

Influence of severe plastic deformation on the precipitation hardening of a FeSiTi steel [PDF]

, 2012
The combined strengthening effects of grain refinement and high precipitated volume fraction (~6at.%) on the mechanical properties of FeSiTi alloy subjected to SPD processing prior to aging treatment were investigated by atom probe tomography and ...
A Cerri, A. Fillon, A. Pougis, BB Straumal, D. Barbier, DH Jack, DH Jack, DJ Abson, E Ma, E Ma, EO Hall, G Martin, G Sha, GD Costa, H Swygenhoven Van, J Cizek, JK Kim, JP Henon, JW Cahn, K Ohashi, L. S. Toth, M Lewandowska, NJ Petch, O. Bouaziz, R Valiev, R Wasmuht, R. Arruffat, RB Nicholson, RZ Valiev, S Cheng, WJ Kim, X Sauvage, X. Sauvage, YH Zhao, YH Zhao, YT Zhu, Z Horita, Z Horita   +37 more
core   +3 more sources

Achieving ultra-strong Magnesium–lithium alloys by low-strain rotary swaging

Materials Research Letters, 2021
Severe plastic deformation (SPD) with deformation strain significantly larger than one is effective to strengthen metals and alloys. However, such a method will not work for Mg alloys due to their low deformability.
Yue Yang, Xiang Chen, Jinfeng Nie, Kang Wei, Qingzhong Mao, Fenghua Lu, Yonghao Zhao   +6 more
doaj   +1 more source

Evolution of Microstructure of Copper and Its Alloys during Severe Plastic Deformation Process

Успехи физики металлов
The changes in the properties of copper and its alloys as a result of severe plastic deformation (SPD) are reviewed. The literature review shows that contemporary materials science is aimed at solving the problem of producing ultrafine-grained materials ...
A.V. Volokitin, A.I. Denissova, T.D. Fedorova, and D.N. Lavrinuk
doaj   +1 more source

Giant hardening and formation of nanograined supersaturated solid solution in Al–Zn system

Materials Research Letters, 2023
Grain refinement via severe plastic deformation (SPD) can induce the decomposition of Al–Zn supersaturated solid solution, resulting in strain softening rather than hardening.
Yiming Zhong, Bo Zhang, Ling Fang, Junjie Chen, Wei Xu, Xiuyan Li   +5 more
doaj   +1 more source

Effect of whisker alignment on microstructure, mechanical and thermal properties of Mg-SiCw/Cu composite fabricated by a combination of casting and severe plastic deformation (SPD)

Journal of Magnesium and Alloys, 2023
In this research, microstructure evaluation, mechanical properties and thermal conductivity of the Mg-SiCw/Cu composite with laminar structure were investigated. For this purpose, SiC whiskers were added to magnesium alloy by using stir-casting, then the Mg-SiCw composite was bonded to copper layers by warm accumulative roll bonding (ARB). Based on the
Yinwei Wang, Moslem Tayyebi, Morteza Tayebi, Mahdireza Yarigarravesh, Shoufa Liu, Hongwei Zhang   +5 more
openaire   +2 more sources

Nanostructures by Severe Plastic Deformation of Steels: Advantages and Problems [PDF]

Metalurgija, 2006
The aim of this paper is to consider the features of structure evolution during severe plastic deformation (SPD) of steels and its influence on mechanical properties.
Dobatkin, S. V., Zrník J., Mamuzić, I.
doaj  

High Temperature Flow Response Modeling of Ultra-Fine Grained Titanium

Metals, 2015
This work presents the mechanical behavior modeling of commercial purity titanium subjected to severe plastic deformation (SPD) during post-SPD compression, at temperatures of 600-900 °C and at strain rates of 0.001-0.1 s−1.
Seyed Vahid Sajadifar, Guney Guven Yapici   +1 more
doaj   +1 more source