An Sem/Ebsd Study of Shear Bands Formation in Al-0.23%wt.Zr Alloy Deformed in Plane Strain Compression / Krystalograficzne Aspekty Formowania Sie Pasm Scinania W Stopie Al-0.23%Wag.Zr Odkształcanym W Próbie Nieswobodnego Sciskania

Archives of Metallurgy and Materials

T. Knych¹  P. Uliasz¹  H. Paul²  M. Miszczyk²  W. Skuza² 

[1] AGH UNIVERSITY OF SCIENCE AND TECHNOLOGY, FACULTY OF NON-FERROUS METALS, 30-059 KRAKÓW, AL. MICKIEWICZA 30, POLAND;POLISH ACADEMY OF SCIENCES, INSTITUTE OF METALLURGY AND MATERIALS SCIENCE, 30-059 KRAKÓW, 25 REYMONTA STR., POLAND

关键词: Keywords: Shear bands;    Texture;    Microstructure;    Electron diffraction;    Low temperature deformation;   

DOI  :  10.2478/v10172-012-0165-6

学科分类：金属与冶金

来源: Akademia Gorniczo-Hutnicza im. Stanislawa Staszica / University of Mining and Metallurgy

【 摘 要 】

The crystal lattice rotations induced by shear bands formation have been examined in order to investigate the influence of grain boundaries on slip propagation and the resulting texture evolution. The issue was analysed on Al-0.23wt.%Zr alloy as a representative of face centered cubic metals with medium-to-high stacking fault energy. After solidification, the microstructure of the alloy was composed of flat, twin-oriented, large grains. The samples were cut-off from the as-cast ingot in such a way that the twinning planes were situated almost parallel to the compression plane. The samples were then deformed at 77K in channel-die up to strains of 0.69. To correlate the substructure with the slip patterns, the deformed specimens were examined by SEM equipped with a field emission gun and electron backscattered diffraction facilities.

【 授权许可】

Unknown