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Article
Effect of Al content on thermal stability, shape memory effect and mechanical properties of Cu–Al–Fe shape memory alloys
Cu–Al–Fe shape memory alloys are a new kind of smart materials with high phase transition temperature. However, poor thermal stability and poor shape memory effect limit the commercial application range. In th...
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Article
Effect of Cooling Rate on Microstructure, Shape Memory Effect and Mechanical Properties of Cu–13Al–5Fe High-Temperature Shape Memory Alloy Fabricated by Laser Powder Bed Fusion
The cooling rate has a huge effect on the microstructure and properties of shape memory alloys. In this work, taking Cu–13Al–5Fe high-temperature shape memory alloy as an example, the effects of cooling rate o...
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Article
Core–shell structured Co3O4@NiCo2O4 electrodes grown on Ni foam for high-performance supercapacitors
Recently, supercapacitors (SCs) have emerged as one of the most promising energy storage devices, which can be attributed to their exceptional power density, rapid charge–discharge rate, and superior cycling s...
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Article
Effect of laser power on the microstructure, shape memory effect and mechanical properties of Cu–13Al–5Fe high temperature shape memory alloy by laser powder bed fusion
In this work, Cu–13Al–5Fe high temperature shape memory alloy was fabricated by laser powder bed fusion (LPBF). And the effect of laser power on the microstructure, phaser transition temperature and mechanical...
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Article
Study on Glass Transition Temperatures in Metallic Glass Formers
Two ideal glass transition temperatures (Tg0 and T0) and the measured glass transition temperature Tg,0.33 are comparatively studied, which is conducive to understanding the nature of glass transition more deeply...
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Article
Oxidation Behavior of (AlCoCrFeNi)92(TiC)8 High-Entropy Alloy at Elevated Temperatures
(AlCoCrFeNi)92(TiC)8 high-entropy alloy (HEA) was prepared by arc-melting to investigate the microstructure and high-temperature oxidation behavior using x-ray diffractometer (XRD) and scanning electron microscop...
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Article
Tribological Behavior of 1,8-Diazabicyclo[5.4.0]Undecane-7-Ene–Organophosphoric Acid-Based Protic Ionic Liquids as Lubricant Additives
Ionic liquids have been found abroad application as lubricant additives due to their unique physic properties, as well as the powerful friction-reducing and anti-wear performances. In this work, four examples ...
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Article
Non-isothermal crystallization kinetics of amorphous electroless nickel-phosphorus alloy plating
Amorphous nickel-phosphorus alloy as a metallic glass layer can not only protect the substrate from mechanical stress and corrosion but also improve the optical performance. The morphology, structure and chemi...
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Article
Properties of electroless thick nickel–phosphorus coating on SiCp/Al composite surface in acidic conditions
Electroless thick Ni–P plating cannot only improve the corrosion resistance of the SiCp/Al composite substrate but also enhance the optical properties of materials. The influence of pH value on the properties ...
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Article
Adjusting non-isothermal crystallization kinetics through similar solute element Ga microalloying for Al in novel La-Al-C metallic glasses
In this text, the influence of similar solute element Ga microalloying for Al on the non-isothermal crystallization kinetics between novel light RE-based La58Al26Ga4C12 metallic glass (MG) and the progenitor La58
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Article
Effect of ultrasonic melt treatment on thermal kinetics of hypereutectic Al–Si alloy
The effect of ultrasonic melt treatment (UST) on the thermal kinetics of hypereutectic Al-25%Si alloy during eutectic solidification was studied using differential scanning calorimeter. The onset temperature r...
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Article
Effect of V Content on Phase Formation and Mechanical Properties of the CoFeNiMnVx High-Entropy Alloys
The sigma phase (σ phase) helps to enhance the mechanical properties of high-entropy alloys (HEAs). In this study, several CoFeNiMnVx (x = 0.25, 0.50, 0.75, 1.00, 1.25, and 1.50) HEAs were synthesized using vacuu...
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Article
Isothermal Crystallization Kinetics of Cr-Rich Metallic Glass Cr29.4Fe29.4Mo14.7C14.7B9.8Y2 with Promising Properties
In the present paper, the isothermal crystallization kinetics for Cr-rich metallic glass (MG) Cr29.4Fe29.4Mo14.7C14.7B9.8Y2 with promising properties was investigated by approaches of Johnson–Mehl–Avrami (JMA) an...
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Article
Observe the temperature curve for solidification from high-speed video image
High-speed camera (HSC) is an advanced technology, which can be applied to observe the solid–liquid interface directly during solidification. It has never been reported that the temperature evolutions of solid...
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Article
A Novel CoFe2NiMn0.3AlCux High-Entropy Alloy with Excellent Magnetic Properties and Good Mechanical Properties
In the present study, we investigate the crystal structure of high-entropy alloys (HEAs) in the form of CoFe2NiMn0.3AlCux (x = 0.25, 0.50, 0.75, and 1.00) and their mechanical and magnetic properties. The CoFe2Ni...
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Article
Super short-range magnetic orderings in a multiferroic relaxor ceramic 0.41Bi(Ni1/2Zr1/2)O3–0.59PbTiO3
Here, we report a multiferroic relaxor material 0.41Bi(Ni1/2Zr1/2)O3–0.59PbTiO3, which exhibits a large piezoelectric coefficient (d33, 391 pC/N), high remnant polarization (Pr, 52.3 μC/cm2) and a high electrical...
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Article
Structural Evolution and Mechanical and Magnetic Properties of Nonequiatomic CoFe2NiMn0.3Alx (0.25 ≤ x ≤ 1.00) High-Entropy Alloys
CoFe2NiMn0.3Alx (x = 0.25, 0.50, 0.75, 1.00) alloys were prepared using the arc melting method, and their crystal structure, microstructure, and mechanical properties were systematically studied. The results show...
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Article
Kinetics of glass transition, crystallization and soft magnetic properties of the Fe76.5Nb3B20Cu0.5 glassy alloys
Differential scanning calorimetry was used to investigate the non-isothermal crystallization kinetics of the Fe76.5Nb3B20Cu0.5 glassy alloys. The nanocrystallization products and soft magnetic properties as a fun...
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Article
Open AccessThe effect of phosphorus on solidification behaviour of undercooled Al–70 wt.%Si alloys
Effect of refining element phosphorus (P) on the morphology of the primary silicon in the Al–70 wt.%Si alloy was investigated via the electromagnetic levitation (EML) technique. The morphology and microstructu...
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Article
Microstructure, Corrosion Behaviour and Microhardness of Non-equiatomic Fe1.5CoNiCrCux (0.5 ≤ x ≤ 2.0) High-Entropy Alloys
The microstructure, electrochemical corrosion behaviour and microhardness of Fe1.5CoNiCrCux (x = 0.5, 1.0, 1.5 and 2.0) high-entropy alloys (HEAs) were investigated by X-ray diffraction (XRD), scanning electron m...
