Non-conventional synthesis and magnetic properties of MAX phases (Cr/Mn)2AlC and (Cr/Fe)2AlC

2017 ◽  
Vol 5 (23) ◽  
pp. 5700-5708 ◽  
Author(s):  
Christin M. Hamm ◽  
Joshua D. Bocarsly ◽  
Gareth Seward ◽  
Ulrike I. Kramm ◽  
Christina S. Birkel
Keyword(s):  
Magnetic Properties ◽  
Microwave Heating ◽  
Spark Plasma Sintering ◽  
Max Phase ◽  
Fe Doping ◽  
Max Phases ◽  
Plasma Sintering ◽  
Spark Plasma

Mn- and Fe-doping of bulk MAX phase Cr2AlC was achieved by microwave heating and spark plasma sintering and non-trivial magnetism is discussed.

scholarly journals Synthesis and Characterization of a Nearly Single Bulk Ti2AlN MAX Phase Obtained from Ti/AlN Powder Mixture through Spark Plasma Sintering

Materials ◽  
2021 ◽  
Vol 14 (9) ◽  
pp. 2217
Author(s):  
Christopher Salvo ◽  
Ernesto Chicardi ◽  
Rosalía Poyato ◽  
Cristina García-Garrido ◽  
José Antonio Jiménez ◽  
...  
Keyword(s):  
Spark Plasma Sintering ◽  
Powder Mixture ◽  
Outer Zone ◽  
Max Phase ◽  
Molar Ratio ◽  
Potential Candidate ◽  
Max Phases ◽  
Plasma Sintering ◽  
Spark Plasma ◽  
Ternary Carbides

MAX phases are an advanced class of ceramics based on ternary carbides or nitrides that combine some of the ceramic and metallic properties, which make them potential candidate materials for many engineering applications under severe conditions. The present work reports the successful synthesis of nearly single bulk Ti2AlN MAX phase (>98% purity) through solid-state reaction and from a Ti and AlN powder mixture in a molar ratio of 2:1 as starting materials. The mixture of Ti and AlN powders was subjected to reactive spark plasma sintering (SPS) under 30 MPa at 1200 °C and 1300 °C for 10 min in a vacuum atmosphere. It was found that the massive formation of Al2O3 particles at the grain boundaries during sintering inhibits the development of the Ti2AlN MAX phase in the outer zone of the samples. The effect of sintering temperature on the microstructure and mechanical properties of the Ti2AlN MAX phase was investigated and discussed.

scholarly journals Microstructure and properties of nano-laminated Y3Si2C2 ceramics fabricated via in situ reaction by spark plasma sintering

2021 ◽  
Vol 10 (3) ◽  
pp. 578-586
Author(s):  
Lin-Kun Shi ◽  
Xiaobing Zhou ◽  
Jian-Qing Dai ◽  
Ke Chen ◽  
Zhengren Huang ◽  
...  
Keyword(s):  
Spark Plasma Sintering ◽  
Atomic Scale ◽  
Max Phase ◽  
X Ray Diffraction ◽  
Selected Area Electron Diffraction ◽  
Plasma Sintering ◽  
Transmission Electron ◽  
Spark Plasma ◽  
Diffraction Patterns

AbstractA nano-laminated Y3Si2C2 ceramic material was successfully synthesized via an in situ reaction between YH2 and SiC using spark plasma sintering technology. A MAX phase-like ternary layered structure of Y3Si2C2 was observed at the atomic-scale by high resolution transmission electron microscopy. The lattice parameters calculated from both X-ray diffraction and selected area electron diffraction patterns are in good agreement with the reported theoretical results. The nano-laminated fracture of kink boundaries, delamination, and slipping were observed at the tip of the Vickers indents. The elastic modulus and Vickers hardness of Y3Si2C2 ceramics (with 5.5 wt% Y2O3) sintered at 1500 °C were 156 and 6.4 GPa, respectively. The corresponding values of thermal and electrical conductivity were 13.7 W·m-1·K-1 and 6.3×105 S·m-1, respectively.

Microstructure investigation of V2AlC MAX phase synthesized through spark plasma sintering using two various sources V and V2O5 as the starting materials

2019 ◽  
Vol 45 (18) ◽  
pp. 23902-23916 ◽  
Author(s):  
Mohsen Hossein-Zadeh ◽  
Omid Mirzaee ◽  
Hamidreza Mohammadian-Semnani ◽  
Mansour Razavi
Keyword(s):  
Spark Plasma Sintering ◽  
Max Phase ◽  
Plasma Sintering ◽  
Spark Plasma

Microstructure and Magnetic Properties of Hot-Pressed and Hot-Deformed Composite Magnets Produced by Spark Plasma Sintering Method

2011 ◽  
Vol 686 ◽  
pp. 740-744 ◽  
Author(s):  
Yi Long Ma ◽  
Deng Ming Chen ◽  
Qian Shen ◽  
Peng Jun Cao
Keyword(s):  
Magnetic Properties ◽  
Spark Plasma Sintering ◽  
Hot Pressing ◽  
Magnetic Energy ◽  
Pressing Temperature ◽  
Energy Product ◽  
Plasma Sintering ◽  
Spark Plasma ◽  
Energy Products ◽  
Fe Addition

Bulk isotropic and anisotropic Nd13.5Fe80.4Ga0.5B5.6 and Nd13.5Fe80.4Ga0.5B5.6/Fe magnets were synthesized by applying spark plasma sintering (SPS) technique. The effect of hot-pressing temperature on the magnetic properties of hot-pressed (HP) and hot-deformed (HD) magnets without additive and with 5% Fe addition was investigated. With increasing sintering temperature for HP magnets, the grain grew gradually. For HD magnets, the optimal magnetic properties could be obtained at hot-pressing temperature 680°C due to the development of desired c-axis texture and uniform microstructure, which resulted from the appropriate and uniform grain size in HP magnets. Fe addition could enhance remanence (Br) and magnetic energy products ((BH)m) of HP and HD magnets. However, the maximum magnetic energy product of HD magnets decreased when hot-pressing temperature was higher than 650°C.

scholarly journals Consolidation of Fe-Co-Nd-Dy-B Glassy Powders by Spark-Plasma Sintering and Magnetic Properties of the Consolidated Alloys

2003 ◽  
Vol 44 (1) ◽  
pp. 138-143 ◽  
Author(s):  
Satoru Ishihara ◽  
Wei Zhang ◽  
Hisamichi Kimura ◽  
Mamoru Omori ◽  
Akihisa Inoue
Keyword(s):  
Magnetic Properties ◽  
Spark Plasma Sintering ◽  
Plasma Sintering ◽  
Spark Plasma

scholarly journals Magnetic properties of ball-milled SrFe12O19 particles consolidated by Spark-Plasma Sintering

2015 ◽  
Vol 5 (1) ◽  
Author(s):  
Marian Stingaciu ◽  
Martin Topole ◽  
Paul McGuiness ◽  
Mogens Christensen
Keyword(s):  
Magnetic Properties ◽  
Spark Plasma Sintering ◽  
Plasma Sintering ◽  
Spark Plasma
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