Continuous Dynamic Recovery in Pure Aluminium Deformed to High Strain by Accumulative Press Bonding

被引：3
作者：
Amirkhanlou, Sajjad [1 ,2 ]
Ketabchi, Mostafa [1 ]
Parvin, Nader [1 ]
Carreno, Fernando [3 ]
机构：
[1] Amirkabir Univ Technol, Dept Min & Met Engn, Tehran, Iran
[2] Brunel Univ London, BCAST, London UB8 3PH, England
[3] CENIM CSIC, Dept Phys Met, Av Gregorio del Amo 8, Madrid 28040, Spain
来源：
PROCEEDINGS OF THE 3RD PAN AMERICAN MATERIALS CONGRESS | 2017年
关键词：
Nano/ultrafine structured materials; Severe plastic deformation (SPD); Accumulative press bonding (APB); Scanning transmission electron microscopy (STEM); Electron backscattered diffraction (EBSD); SEVERE PLASTIC-DEFORMATION; NANO-GRAINED COPPER; MECHANICAL-PROPERTIES; MICROSTRUCTURAL CHARACTERISTICS; ARB PROCESS; CAR PROCESS; REFINEMENT; NANOCOMPOSITE; COMPOSITES; METALS;
D O I：
10.1007/978-3-319-52132-9_67
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Microstructural evolutions of AA1050 aluminium alloy, prepared by accumulative press bonding, have been investigated by means of sophisticated analytical tools, including STEM and EBSD. The results revealed that continuous dynamic recovery was dominant mechanism in grain refinement, and resulted in formation of nano/ultrafine grains with average diameter of 450 nm in pressing direction and 320 nm in transverse direction. By increasing strain during APB process, the mean misorientation angle and the fraction of high angle boundaries increased and reached a saturation value of similar to 35 degrees and similar to 78%, respectively.
引用
收藏
页码：671 / 680
页数：10
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