Effect of severe plastic deformation on the structure and properties of the age-hardenable Mg-Sm alloys

被引：8
作者：
Rokhlin, LL
Dobatkin, SV
Dobatkina, T
Nikitina, NI
Popov, MV
机构：
[1] Baikov Inst Met & Mat Sci, Moscow 119991, Russia
[2] Technol Univ, Moscow State Inst Steel & Alloys, Moscow 119049, Russia
来源：
NANOMATERIALS BY SEVERE PLASTIC DEFORMATION | 2006年 / 503-504卷
关键词：
severe plastic deformation; Mg-Sm alloys; aging; submicrocrystalline structure; strengthening; specific electrical resistance;
D O I：
10.4028/www.scientific.net/MSF.503-504.961
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this work severe plastic deformation (SPD) was applied to magnesium base alloys of the Mg-Sm system (2.8-5.5 mass %Sm). These alloys are characterized by high strength at elevated temperatures and high strengthening effect during aging. SPD was performed by torsion under pressure of 4 GPa at 20 and 200 degrees C to epsilon similar to 6. SPD results in significant strengthening of the Mg-Sm alloys due to the formation of submicrocrystalline structure. In all cases SPD accelerates the solid solution decomposition upon subsequent aging. The highest strengthening can be obtained if the solution treated alloy is aged at 200 degrees C after SPD at room temperature. The state of high strength can be also reached if the following sequence of the operations is used: solution treatment + aging at 200 degrees C up to maximum hardness + SPD at 20 degrees C + aging at 200 degrees C accompanied by Sm -rich phase precipitation in the submicrocrystalline matrix.
引用
收藏
页码：961 / 966
页数：6
相关论文
共 50 条
[31]   The formation, structure, and properties of the Au-Co alloys produced by severe plastic deformation under pressure [J].
Tolmachev, T. P. ;
Pilyugin, V. P. ;
Ancharov, A. I. ;
Chernyshov, E. G. ;
Patselov, A. M. .
PHYSICS OF METALS AND METALLOGRAPHY, 2016, 117 (02) :135-142
[32]   Effects of severe plastic deformation on the structure and physical properties of polymers [J].
Lachinov, AN ;
Alexandrov, IV ;
Shishlov, NM ;
Salaskin, SN .
INTERFACIAL EFFECTS AND NOVEL PROPERTIES OF NANOMATERIALS, 2003, 94 :339-345
[33]   Structure and properties of stainless steels subjected to severe plastic deformation [J].
G. A. Salishchev ;
R. G. Zaripova ;
A. A. Zakirova .
Metal Science and Heat Treatment, 2006, 48 :70-75
[34]   Effect of initial structure on grain refinement to submicron size in Al-Mg-Li alloy processed by severe plastic deformation [J].
Rabinovich, MK ;
Markushev, MV ;
Murashkin, MY .
SUPERPLASTICITY IN ADVANCED MATERIALS - ICSAM-97, 1997, 243-2 :591-596
[35]   Effect of biaxial cyclic severe deformation on structure and properties of Ti-Ni alloys [J].
Komarov, V ;
Khmelevskaya, I ;
Karelin, R. ;
Prokoshkin, S. ;
Zaripova, M. ;
Isaenkova, M. ;
Korpala, G. ;
Kawalla, R. .
JOURNAL OF ALLOYS AND COMPOUNDS, 2019, 797 :842-848
[36]   Influence of Severe Plastic Deformation on the Magnetic Properties of Sm-Co Permanent Magnets [J].
Paulischin, Alexander ;
Weissitsch, Lukas ;
Wurster, Stefan ;
Fellner, Simon ;
Krenn, Heinz ;
Bachmaier, Andrea .
ADVANCED ENGINEERING MATERIALS, 2024, 26 (19)
[37]   Evolution of Elastic Properties of Ti and Its Alloys due to Severe Plastic Deformation [J].
Kardashev, B. K. ;
Narykova, M. V. ;
Betekhtin, V. I. ;
Kadomtsev, A. G. .
PHYSICAL MESOMECHANICS, 2020, 23 (03) :193-198
[38]   Evolution of Elastic Properties of Ti and Its Alloys due to Severe Plastic Deformation [J].
B. K. Kardashev ;
M. V. Narykova ;
V. I. Betekhtin ;
A. G. Kadomtsev .
Physical Mesomechanics, 2020, 23 :193-198
[39]   Tailoring Microstructure and Properties of Fine Grained Magnesium Alloys by Severe Plastic Deformation [J].
Vinogradov, Alexei ;
Serebryany, Vladimir N. ;
Dobatkin, Sergey V. .
ADVANCED ENGINEERING MATERIALS, 2018, 20 (04)
[40]   Effect of Severe Plastic Deformation on Microstructures and Properties of AgCuO Composites [J].
Zhou Xiaolong ;
Cao Jianchun ;
Li Jingtao ;
Chen Jingchao ;
Peng Yuanyuan ;
Zhang Kunhua ;
Jie Yu ;
Feng Hao ;
Zhang Dan .
TESTING AND EVALUATION OF INORGANIC MATERIALS I, 2011, 177 :49-+
12345