Microstructure and material characterization of 6063/B4C and 1545K/B4C composites produced by two stir casting techniques for nuclear applications

被引：39
|
作者：
Pozdniakov, A. V. [1 ]
Zolotorevskiy, V. S. [1 ]
Barkov, R. Yu. [1 ]
Lotfy, A. [1 ]
Bazlov, A. I. [1 ]
机构：
[1] NUST MISiS, Leninskiy Ave 4, Moscow 119049, Russia
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2016年 / 664卷
关键词：
Aluminum alloys; Composites; Stir casting; Electron microscopy; Nuclear applications; X-ray diffraction; MECHANICAL-PROPERTIES; B4C; STEEL; BORON; FATIGUE; ALLOYS; AL; SC;
D O I：
10.1016/j.jallcom.2015.12.228
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The composites of 6063 + 5% B4C and 1545 K + 5% B4C were successfully produced by two stir casting techniques. The first involved incorporation of reinforcements particles in pure form. Stir casting technique was novel, in which the particles incorporated to the melt using by powder master alloy. The incorporation of B4C particles in pure form is more effective than using a powder master alloy. A good interface reaction between the matrix and the B4C reinforcements was observed by the formation of Al3BC and AlB2 phases on the matrix/B4C interface. 1545 K + 5% B4C alloy showed YS = 425 MPa and UTS = 455 MPa and, also high resistance to intercrystalline corrosion. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：317 / 320
页数：4
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