Results 21 to 30 of about 119,278 (296)

Thermal stability and grain growth behavior of mechanically alloyed nanocrystalline Fe-Cu alloys [PDF]

, 1993
X-ray diffraction, transmission electron microscopy, and differential scanning calorimetry were used to study the thermal stability of highly supersaturated nanocrystalline FexCu100−x alloys (10~80.
Eckert, J., Holzer, J. C., Johnson, W. L.   +2 more
core   +1 more source

Insight into the FCC→HCP Transformation in Co-Rich Co-Cr-Fe-Mn-Ni High-Entropy Alloys

Metals, 2023
The existence of an HCP phase in FCC-type high-entropy alloys can improve the alloy’s mechanical properties. In many cases, an HCP phase is induced by deformation.
Yuchen Wang, Changjun Wu, Ya Liu, Mengyun Tian, Xiaowang Lu, Xuping Su   +5 more
doaj   +1 more source

Effect of Al on microstructure and mechanical properties of cast CrCoNi medium-entropy alloy [PDF]

China Foundry, 2018
Cast CrCoNiAlx (x=0-1.2) medium-entropy alloys (MEAs) were produced by arc melting and fl ip cast to investigate the alloying effect of Al addition on the microstructure, phase constituent and mechanical properties.
Qiang Hu, Fu-chu Liu, Qian-lu Fan
doaj   +1 more source

Metastability of fcc-related Si-N phases

Physical Review B, 2008
The phenomenon of superhardening in TiN/SiNx nanocomposites and the prediction of extreme hardness in bulk gamma-Si3N4 have attracted a large interest to this material system.
Alling, Björn, Isaev, Eyvas, Flink, Axel, Hultman, Lars, Abrikosov, Igor   +4 more
openaire   +3 more sources

Unveiling the phase evolution and mechanical properties of Ni1.5Co1.5CrTix alloys with ultrafine/nano structure

Materials & Design, 2022
Oxide dispersion strengthening (ODS) is an effective way to optimize mechanical performance, radiation tolerance and wear resistance in alloys. Therefore, in this research, lightweight and oxyphilic element Ti was utilized to induce oxides particles for ...
Rui Li, Xingshuo Liu, Aoxiang Li, Hao Yang, Shu Xu, Pengfei Yu, Minghui Jiang, Subo Yu, Chao Huo, Gong Li   +9 more
doaj   +1 more source

Spin fluctuations, electron-phonon coupling and superconductivity in near-magnetic elementary metals; Fe,Co,Ni and Pd [PDF]

, 2002
An investigation of possibilities for superconductivity mediated by spin fluctuations in some elementary metals is motivated by the recent discovery of superconductivity in the hcp high-pressure phase of iron.
Andersen, Bardeen, Berk, Canfield, Daams, Dacorogna, Doniach, Enz, Fay, Foulkes, Gaspari, Gunnarsson, Jaccard, Jarlborg, Jarlborg, Jarlborg, Jarlborg, Jarlborg, Jarlborg, Jarlborg, Kittel, Kohn, Mazin, Mazin, McMillan, Moroni, Papaconstantopoulos, Perdew, Pfleiderer, Pictet, Pines, Santi, Saxena, Shimizu, Steinle-Neumann, T Jarlborg   +35 more
core   +1 more source

Effect of Annealing on Microstructure and Mechanical Properties of Al_0.5CoCrFeMo_xNi High-Entropy Alloys

Entropy, 2018
The effect of annealing temperature on the microstructure, phase constituents and mechanical properties of Al0.5CoCrFeMoxNi high-entropy complex alloys has been investigated at a fixed annealing time (10 h).
Yan-Xin Zhuang, Xiu-Lan Zhang, Xian-Yu Gu   +2 more
doaj   +1 more source

Effect of Co on phase stability and mechanical behavior of CoxCrFeNiMnAl0.3 high entropy alloys with micro/nano hierarchical structure

Materials & Design, 2022
Co-Cr-Fe-Ni-Mn high entropy alloys (HEAs) have attracted extensive attention due to their broad cryogenic engineering application potential, reasonable control of alloying elements can significantly improve its mechanical performance.
Guannan Zhang, Xiao Yang, Wu Qi, Yong Li, Wei Wang, Yixiang Chen, Jiangtao Li, Laifeng Li   +7 more
doaj   +1 more source

Phase stability, ordering tendencies, and magnetism in single-phase fcc Au-Fe nanoalloys [PDF]

, 2017
Bulk Au-Fe alloys separate into Au-based fcc and Fe-based bcc phases, but L1$_0$ and L1$_2$ orderings were reported in single-phase Au-Fe nanoparticles.
An, J. M., Barabash, S. V., Belashchenko, K. D., Zhuravlev, I. A.   +3 more
core   +3 more sources

The BCC-FCC Phase Transformation Pathways and Crystal Orientation Relationships in Dual Phase Materials From Al-(Co)-Cr-Fe-Ni Alloys

Frontiers in Materials, 2020
The alloy system Al-(Co)-Cr-Fe-Ni contains compositional ranges where a solid state BCC-FCC phase transformation leads to dual-phase materials composed of face-centered cubic (FCC) and body-centered cubic (BCC) phases with nearly equal volume fraction ...
Ulrike Hecht, Sergej Gein, Oleg Stryzhyboroda, Eyal Eshed, Shmuel Osovski   +4 more
doaj   +1 more source