Influence of High-Pressure Torsion and Accumulative High-Pressure Torsion on Microstructure and Properties of Zr-Based Bulk Metallic Glass Vit105

被引：12

作者：

Gunderov, Dmitry ^{[1
,2
]}

Astanin, Vasily ^{[3
]}

Churakova, Anna ^{[1
,2
]}

Sitdikov, Vil ^{[1
]}

Ubyivovk, Evgeniy ^{[4
]}

Islamov, Akhmed ^{[5
]}

Wang, Jing Tao ^{[6
]}

机构：

[1] Ufa State Aviat Tech Univ, Inst Phys Adv Mat, 12 K Marx Str, Ufa 450008, Russia

[2] RAS, Ufa Fed Res Ctr, Inst Mol & Crystal Phys, Lab Nanostruct Mat Phys, Prospekt Oktyabrya 151, Ufa 450075, Russia

[3] Ufa State Aviat Tech Univ, Nanotech Engn Ctr, 12 K Marx Str, Ufa 450008, Russia

[4] St Petersburg State Univ, Phys Fac, Dept Solid State Elect, Electron & Ion Beam Lab, 7-9 Univ Skaya Nab, St Petersburg 199034, Russia

[5] Joint Inst Nucl Res, Frank Lab Neutron Phys, Dubna 141980, Russia

[6] Nanjing Univ Sci & Technol, Sch Mat Sci & Engn, Nanjing 210094, Peoples R China

来源：

METALS | 2020年 / 10卷 / 11期

基金：

俄罗斯基础研究基金会;

关键词：

bulk metallic glass; free volume; high pressure torsion; SEVERE PLASTIC-DEFORMATION; SMALL-ANGLE SCATTERING; SHEAR BANDS; AMORPHOUS-ALLOYS; FREE-VOLUME; EVOLUTION; CRYSTALLIZATION; PHASE;

D O I：

10.3390/met10111433

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Vit105 (Zr52.5Cu17.9Ni14.6Al10Ti5 at. %) bulk metallic glass samples were processed by high-pressure torsion and accumulative high-pressure torsion. By DSC, XRD and SANS methods it was shown that accumulative high-pressure torsion allows for achieving high real strains and leads to an increase in the free volume and significant transformation of the structure. Minor crystallization was detected after high-pressure torsion processing.

引用

页码：1 / 14

页数：14

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