Processing, structure and mechanical behavior of rapidly solidified aluminum alloys containing quasicrystalline particles

被引:8
|
作者
Milman, YV
Lotsko, DV
Neikov, OD
Sirko, AI
Yefimov, NA
Bilous, AN
Miracle, DB
Senkov, ON
机构
[1] Natl Acad Sci Ukraine, Inst Problems Mat Sci, UA-03142 Kiev, Ukraine
[2] USAF, Res Lab, Mat & Mfg Directorate, AFRL,MLLMD, Wright Patterson AFB, OH 45433 USA
[3] Universal Energy Syst Inc, Dayton, OH 45432 USA
来源
ALUMINUM ALLOYS 2002: THEIR PHYSICAL AND MECHANICAL PROPERTIES PTS 1-3 | 2002年 / 396-4卷
关键词
quasicrystals; nanophase particles; aluminum alloys; rapid solidification; mechanical properties; elevated temperatures; intermetallics;
D O I
10.4028/www.scientific.net/MSF.396-402.723
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Aluminum-based alloys containing quasicrystalline particles of 50 - 600 nm in diameter as a reinforcing phase were produced in the form of powder or ribbons by water atomization or melt spinning techniques, respectively. Rods were compacted from the powders and some ribbons, and their mechanical properties were determined. Microstructures and phases in powders, ribbons and compacted rods were investigated using TEM and X-ray diffraction. Several alloys produced had high strength (about 300 MPa) at temperatures up to 300 degreesC. The quasicrystalline particles were stable for coarsening and decomposition at temperatures up to 400 degreesC.
引用
收藏
页码:723 / 728
页数:6
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