RT Journal Article
ID 4c593e563decd608
A1 Boutouta, A.
A1 Debili, Mohamed Yacine
T1 STRUCTURAL AND PHYSICAL PROPERTIES OF Al–X wt.% (α-Fe2O3) METAL MATRIX COMPOSITE
JF High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
JO HTM
YR 2018
FD 2018-10-04
VO 22
IS 4
SP 203
OP 217
K1 aluminum
K1 composite
K1 hematite
K1 intermetallic compounds
K1 FeAl
K1 XRD
K1 Rietveld refinement
K1 magnetic properties
AB In this article, the magnetic, thermal, electrical, and characteristic crystalline structural properties
of the Al–X wt.% (α-Fe2O3) (X: 2, 4, 16, and 40) aluminum matrix composite (AMC) were studied. The materials were developed by a liquid phase sintering process (700°C) from a compacted blend of high-purity powders of aluminum and hematite. The composites thus obtained were heat treated (500°C, 1 h). The structural features were studied by x-ray diffraction and Rietveld refinement, and the magnetic properties, by the VSM vibrating sample magnetism as well as light microscopy observations. We also noted that aluminum influences the magnetic and electrical properties
(resistivity) of the composite materials in comparison with pure hematite. The presence of the ordered B2–FeAl phase, even in a very small quantity, shows that it is possible to synthesize the FeAl phase by thermite reaction, which constitutes a new fact for this type of composite materials, given its impact on the magnetic and thermal properties. Particular attention will be paid to the composite containing 40% hematite as it has interesting physical characteristics, especially magnetic because of the formation of the FeAl ordered compound.
PB Begell House
LK https://www.dl.begellhouse.com/journals/57d172397126f956,63ee29d3174e8fa5,4c593e563decd608.html