72 Result(s)

Article

Hierarchical Microstructure Modulation of Ti–Co–Al Alloy by Rapid Die Casting Under Simulated Space Condition

The space simulation manufacture of Ti_61.1Co_28.1Al_10.8 alloy from three original states including superheated liquid, undercooled liquid, and semi-solid alloy was accomplished by electromagnetic levitation couple...

H. R. Li, R. L. **ao, L. Y. Li, Y. Ruan… in Metallurgical and Materials Transactions B (2024)

Article

A Modification of Nb-Rich Portion for Refractory Nb–Ni Alloy Phase Diagram with New Peritectoid Transition

The Nb-rich region of refractory Nb–Ni alloy phase diagram was refined by thermal analysis, long-time annealing experiments, and electron probe microanalysis (EPMA). Both metallography and EPMA results indicat...

J. F. Zhao, H. P. Wang, B. Wei in Metallurgical and Materials Transactions A (2023)

Article

Optimized Tribological Performance Deriving From Multiple Strengthening Effects of Fe–Ni–Mo–Cr Alloy

The tribological performance of quaternary Fe–13 pct Ni–10 pct Mo–5 pct Cr alloy was modulated by means of electromagnetic levitation (EML) and drop tube (DT) techniques. In both containerless solidification w...

L. Y. Li, Y. Ruan, B. Wei in Metallurgical and Materials Transactions A (2022)

Article

Elastic Properties of Photovoltaic Single Crystal Cs₂AgBiBr₆

Halide double perovskite Cs₂AgBiBr₆ shows promising potential applications in next-generation photovoltaic devices. The strain engineering strategy has been proven as a reliable method to improve its performance....

Y. Lun, J. Liu, B. Wei, Z. Gao, X. Wang, J. Hong in Experimental Mechanics (2022)

Article

Magnetic and compressive properties of ternary Ni–Fe–Ti eutectic alloy processed by electromagnetic levitation technique

The magnetic and compressive properties of the ternary Ni_40.6Fe_36.4Ti₂₃ eutectic alloys solidified under electromagnetic levitation condition were investigated. An undercooling range from 32 to 141 K was achieved...

X. W. Li, B. W. Wu, Y. Ruan, B. Wei in Journal of Materials Science (2021)

Article

Austenite Grain Refinement and Subsequent Martensite Transformation of Ternary Cu–Al–Ni Alloy Solidified Within Ultrasonic Field

A power ultrasound with different amplitudes was applied during the solidification of ternary Cu-14wt pct Al-4.5 wt pct Ni alloy, which was then quenched to obtain martensite phases. It effectively promoted th...

Y. J. Hu, X. Wang, J. Y. Wang, W. Zhai… in Metallurgical and Materials Transactions A (2021)

Article

Liquid Structure and Thermophysical Properties of Ternary Ni-Fe-Co Alloys Explored by Molecular Dynamics Simulations and Electrostatic Levitation Experiments

The structure, thermodynamic and dynamic properties of normal and metastable liquid Ni_2xFe_50−xCo_50−x alloys were systematically investigated by combining electrostatic levitation (ESL) experiments and molecular d...

J. F. Zhao, H. P. Wang, P. F. Zou… in Metallurgical and Materials Transactions A (2021)

Article

Single Crystal Growth and Chemical Disorder Trap** of Refractory MoNbReTaW High-Entropy Alloy Solidified Under Electrostatic Levitation State

The disorder trap** induced by supercooling is innovated to promote the formation of chemically disordered solid solution phase in high-entropy alloy (HEA) when the ordered phase is more inclined to form. We...

L. Hu, L. Wang, M. J. Lin, B. Wei in Metallurgical and Materials Transactions A (2021)

Article

Determining Thermophysical Properties of Normal and Metastable Liquid Zr-Fe Alloys by Electrostatic Levitation Method

The thermophysical properties of liquid Zr-Fe alloys were experimentally measured by an electrostatic levitation technique. A series of undercoolings from 45 K to 410 K were achieved for these liquid alloys in...

C. H. Zheng, H. P. Wang, P. F. Zou, L. Hu… in Metallurgical and Materials Transactions A (2020)

Article

Experimental determination of the Ni–Ni₅Zr eutectic point for binary Ni–Zr alloy phase diagram

The Ni–Ni₅Zr eutectic alloy becomes a promising structural material owing to its high strength and desirable plasticity. However, those nominal eutectic alloys with previously assumed compositions of Ni-8.8 at.% ...

Q. Wang, H. P. Wang, D. L. Geng, B. Wei in Applied Physics A (2020)

Article

Ultrasonic cavitation and acoustic streaming effects during liquid phase separation and dynamic solidification of ternary Al–Sn–Si immiscible alloy

Ultrasonic melt treatment is an environmentally friendly and no-polluting external field technology and has great application potential in materials fabrication. Power ultrasound with different intensities was...

B. J. Wang, W. H. Wu, J. M. Liu, W. Zhai, B. Wei in Applied Physics A (2020)

Article

Microstructural evolution and magnetic property of a rapidly solidified ternary Fe_37.5Cu_37.5Sn₂₅ peritectic-type alloy

The liquid Fe_37.5Cu_37.5Sn₂₅ peritectic-type alloy was rapidly solidified by glass fluxing, drop tube, and melt spinning techniques. The solidification structures consisted of three phases, including the αFe solid...

Z. C. **a, W. L. Wang, S. B. Luo, Y. H. Wu, B. Wei in Applied Physics A (2019)

Article

How to find Denonvilliers’ fascia during laparoscopic TME

J. Fang, J. Huang, Z. Zheng, B. Wei, J. Liu, Y. Huang… in Techniques in Coloproctology (2019)

Article

A CFD Study Assisted with Experimental Confirmation for Liquid Shape Control of Electromagnetically Levitated Bulk Materials

Two types of optimized electromagnetic levitators were designed to achieve the free surface shape control of metallic melts as the combined results of the Lorentz force, sample gravity, and surface tension. Th...

X. Cai, H. P. Wang, M. X. Li, Y. H. Wu… in Metallurgical and Materials Transactions B (2019)

Article

Competitive Nucleation and Growth Between the Primary and Peritectic Phases of Rapidly Solidifying Ni–Zr Hypoperitectic Alloy

The Ni-16 at. pct Zr hypoperitectic alloy melt was substantially undercooled using an electromagnetic levitator and a drop tube. The undercooling-induced competitive growth between the primary Ni₇Zr₂ and peritect...

P. Lü, H. P. Wang, B. Wei in Metallurgical and Materials Transactions A (2019)

Article

Peritectic solidification mechanism and accompanying microhardness enhancement of rapidly quenched Ni–Zr alloys

Hypoperitectic, peritectic, and hyperperitectic Ni–Zr alloys were rapidly solidified by melt spinning technique. The effect of cooling rate on their phase selection and microhardness was investigated. When the...

Y. F. Si, H. P. Wang, P. Lü, B. Wei in Applied Physics A (2019)

Article

Thermodynamic Characteristics, Phase Separation, and Nanomechanical Properties of Ternary Fe-Co-Cu Alloys with Equiatomic Fe and Co Compositions

The thermodynamic parameters for a series of Fe_(100−x)/2Co_(100−x)/2Cu_x (x from 10 to 90, at. pct) alloys including their characteristic temperatures, the enthalpy and entropy changes of three phase transformation...

Y. Ruan, F. P. Dai, Shou-Yi Chang, B. Wei in Metallurgical and Materials Transactions A (2018)