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Structure,mechanical characteristics,biodegradation,and in vitro cytotoxicity of magnesium alloy ZX11 processed by rotary swaging

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Journal of Magnesium and Alloys 2020年第4期8卷 1038-1046页

作者： Natalia Martynenko Natalia Anisimova Mikhail Kiselevskiy Natalia Tabachkova Diana Temralieva Dmitry Prosvirninb Vladimir Terentiev Andrey Koltygina Vladimir Belov Mikhail Morosov Vladimir Yusupov Sergey Dobatkina National University of Science and Technology"M1SIS" Leninsky prospect4119049 MoscowRussia A.A.Baikov Institute of Metallurgy and Materials Science of the RAS Leninsky prospect49119334 MoscowRussia ≪N.N.Blokhin National Medical Research Center of Oncology≫of the Ministry of Health of the Russian Federation Kashirskoye Highway23115478 MoscowRussia A.M.Prokhorov General Physics Institute of the RAS Vavilova st.3&Moscow 119991、Russia 5.Department of Materials Science and EngineeringMonash UniversityClaytonMelbourne VIC 3800Australia 6.Department of Mechanical EngineeringThe University of Western AustraliaCrawleyPerth WA 6009Australia

rotary swaging(RS)of alloy Mg-1.03Zn-0.66Ca(ZX11)was shown to refine the average grain size to 4.5±1.2μm in a longitudinal section and 4.8±0.9μm in a transverse *** addition,a small amount of Mg2Ca particles about 300nm in size and Mg6Zn3Ca2 particles with a size of about lOOnm was *** resulted in pronounced strengthening:the yield strength and the ultimate tensile strength rose to 210±8 MPa and 276±6 MPa,respectively,while the elongation hardly decreased(22.0±1.8% and 18.3±2.9% before and after RS).Furthermore,RS led to an increase in the fatigue limit of the alloy from 120 MPa to 135 MPa and did not impair its resistance to chemical *** studies in vitro showed that ZX11 induces hemolysis without inhibiting the viability of peripheral blood mononuclear cells and has a more pronounced cytotoxic effect on tumor cells in comparison with non-transformed *** significant difference of the latter effect between the initial and the deformed states was observed.

关键词： Magnesium alloy rotary swaging Mechanical characteristics Hemolysis Cell viability Cytotoxicity

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Bulk and local textures of pure magnesium processed by rotary swaging

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Journal of Magnesium and Alloys 2013年第4期1卷 341-345页

作者： W.M.Gan Y.D.Huang R.Wang Z.Y.Zhong N.Hort K.U.Kainer N.Schell H.-G.Brokmeier A.Schreyer Institute of Materials Research Helmhlotz-Zentrum GeesthachtMax-Planck-Str.1D-21502 GeesthachtGermany Institute for Materials Science and Engineering Clausthal University of TechnologyAgricolastrasse 6D-38678 Clausthal-ZellerfeldGermany

rotary swaging processing on commercial as-cast pure Mg has been carried out. Bulk texture variation with the processing passes was investigated using large gauge volume by neutron diffraction, of which results showed a combination of different components such as {00.2} basal fibre and two weak {10.0} and {11.0} fibres. Asymmetric distribution of the basal fibre around swaging direction was observed and being related to the processing parameters. Texture gradient analysis by synchrotron radiation demonstrates a non-uniform deformation of the RS processed pure Mg from surface to the centre.

关键词： rotary swaging Pure magnesium Bulk and local textures

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