Weidong Zeng
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View article: Preventing chloride-induced corrosion in TC25 titanium alloy during long-term performance testing via Cr-coated aluminosilicate fiber ropes
Preventing chloride-induced corrosion in TC25 titanium alloy during long-term performance testing via Cr-coated aluminosilicate fiber ropes Open
As an effective high-temperature insulating material, aluminosilicate fiber ropes are extensively used for the thermal protection and structural support of titanium alloys in demanding high-temperature applications. This study examines the…
View article: Effect of Microstructure on Plastic Deformation Near the Asb, Microcrack Nucleation Behaviour and Dynamic Mechanical Properties of Tc21 Alloy Under Dynamic Compression
Effect of Microstructure on Plastic Deformation Near the Asb, Microcrack Nucleation Behaviour and Dynamic Mechanical Properties of Tc21 Alloy Under Dynamic Compression Open
View article: Anisotropic Impact Response in Ti-6al-4v Alloy: Crystallographic Control of Slip Activation and Macrozone During Crack Initiation and Propagation
Anisotropic Impact Response in Ti-6al-4v Alloy: Crystallographic Control of Slip Activation and Macrozone During Crack Initiation and Propagation Open
View article: Characteristics of Oxide Films on Zr702 and Their Corrosion Performance in Boiling Fluorinated Nitric Acid
Characteristics of Oxide Films on Zr702 and Their Corrosion Performance in Boiling Fluorinated Nitric Acid Open
Fluoride ions, which interfere with the oxide formation on zirconium have been over-looked until recently. The effect of fluoride ions on oxide formation and dissolution behaviors in zirconium was investigated in this study. A detailed qua…
View article: Mechanism of Crystallographic Orientation and Texture Evolution of Ti60 Alloy during Plane Strain Compression
Mechanism of Crystallographic Orientation and Texture Evolution of Ti60 Alloy during Plane Strain Compression Open
The crystallographic orientation and texture evolution mechanism of equiaxed Ti60 alloy plates were investigated in this study through plane strain compression tests. The EBSD analysis revealed that the received plate contained two charact…
View article: Crack nucleation and dislocation activities in titanium alloys with the strong transverse texture: Insights for enhancing dwell fatigue resistance
Crack nucleation and dislocation activities in titanium alloys with the strong transverse texture: Insights for enhancing dwell fatigue resistance Open
Cold dwell sensitivity of near α titanium alloys has posed a significant challenge to the engineering safety within the aerospace industry. However, there exists inconsistency regarding the critical facet formation mechanism between basal …
View article: The morphology features, formation mechanism and elimination of channel segregation in industrial-scale Ti–Nb ingots produced by vacuum arc remelting
The morphology features, formation mechanism and elimination of channel segregation in industrial-scale Ti–Nb ingots produced by vacuum arc remelting Open
In this study, the morphology characteristics and formation mechanism of channel segregation in the industrial-sized Ti–Nb binary ingots produced by vacuum arc remelting (VAR) are researched based on experiments and calculations. The resul…
View article: Deformation and fracture mechanisms of Ti-55531 alloy with a bimodal microstructure under the pre-tension plus torsion composite loading
Deformation and fracture mechanisms of Ti-55531 alloy with a bimodal microstructure under the pre-tension plus torsion composite loading Open
The deformation and fracture behavior of the Ti-55531 alloy with a bimodal microstructure (BM) under the pre-tension plus torsion composite loading were systematically investigated at room temperature. The results indicate that the pre-ten…
View article: Influence of notch root radius on high cycle fatigue properties and fatigue crack initiation behavior of Ti-55531 alloy with a multilevel lamellar microstructure
Influence of notch root radius on high cycle fatigue properties and fatigue crack initiation behavior of Ti-55531 alloy with a multilevel lamellar microstructure Open
Notch high cycle fatigue (HCF) properties and microcrack initiation behavior of Ti-55531 alloy with a multilevel lamellar microstructure under various notch radii were systematically investigated. Results indicate that the reduction of not…
View article: The Morphology Features, Formation Mechanism and Elimination of Channel Segregation in Industrial-Scale Ti-Nb Ingots Produced by Vacuum Arc Remelting
The Morphology Features, Formation Mechanism and Elimination of Channel Segregation in Industrial-Scale Ti-Nb Ingots Produced by Vacuum Arc Remelting Open
View article: Precipitation and evolution behaviors of grain boundary α and α side plates for ultra-high strength titanium alloy during continuous cooling
Precipitation and evolution behaviors of grain boundary α and α side plates for ultra-high strength titanium alloy during continuous cooling Open
In this paper, precipitation behavior and evolution mechanism of grain boundary α (αGB) and α side plates (αSP) of ultra-high strength titanium alloy are investigated. Precipitation of αGB can change original morphology of β grain boundary…
View article: Growth mechanism of αp and interface relationships between αp and αs during cooling of a near α titanium alloy
Growth mechanism of αp and interface relationships between αp and αs during cooling of a near α titanium alloy Open
This paper focused on the interface relationships between primary α (αp) and the precipitation secondary α (αs) phase at different cooling rates from 965 °C. The rapid cooling rate favors the precipitation of the secondary αs. And the low …
View article: In Situ Observation of Tensile Deformation of Ti-22Al-25Nb Alloy and Characterization of Deformation in α2 Phase
In Situ Observation of Tensile Deformation of Ti-22Al-25Nb Alloy and Characterization of Deformation in α2 Phase Open
The room temperature tensile deformation of Ti-22Al-25Nb alloy with an equiaxed α2 phase microstructure and the activated slip system of α2 particles were investigated by a combination of in situ tensile tests and electron backscatter diff…
View article: Effect of Microstructure on High Cycle Fatigue Behavior of 211Z.X-T6 Aluminum Alloy
Effect of Microstructure on High Cycle Fatigue Behavior of 211Z.X-T6 Aluminum Alloy Open
In the present paper, the high cycle fatigue (HCF) of a novel 211Z.X aluminum alloy with high strength was studied under hot-rolling and as-cast states at room temperature. The effects of microstructure and distribution of precipitated pha…
View article: In-Situ Study on Tensile Deformation and Fracture Mechanisms of Metastable β Titanium Alloy with Equiaxed Microstructure
In-Situ Study on Tensile Deformation and Fracture Mechanisms of Metastable β Titanium Alloy with Equiaxed Microstructure Open
Understanding the mechanisms of deformation and fracture of metastable β titanium alloys is of great significance for improving formability and service life. By combining the in-situ tensile test, TEM characterization and EBSD analysis, th…
View article: Precipitation Behavior of O Phase during Continuous Cooling of Ti-22Al-25Nb Alloy
Precipitation Behavior of O Phase during Continuous Cooling of Ti-22Al-25Nb Alloy Open
The microstructure evolution and formation mechanism of the O phase in a Ti-22Al-25Nb (at.%) orthorhombic alloy resulting from different cooling rates were investigated. The results show that the morphology of the precipitated O phase is s…
View article: Comparison on Impact Toughness of High-Strength Metastable β Titanium Alloy with Bimodal and Lamellar Microstructures
Comparison on Impact Toughness of High-Strength Metastable β Titanium Alloy with Bimodal and Lamellar Microstructures Open
The impact toughness of a high-strength metastable β titanium alloy (Ti-5Cr-4Al-4Zr-3Mo-2W-0.8Fe) with two typical microstructures is studied by Charpy impact tests. The bimodal microstructure (BM) and the lamellar microstructure (LM) are …
View article: Effect of Cooling Rate on Growth Mechanism of Primary Α and Precipitation of Secondary Α of a Near Α Titanium
Effect of Cooling Rate on Growth Mechanism of Primary Α and Precipitation of Secondary Α of a Near Α Titanium Open
View article: Effect of Cooling Rate on Growth Mechanism of Primary Α and Precipitation of Secondary Α of a Near Α Titanium
Effect of Cooling Rate on Growth Mechanism of Primary Α and Precipitation of Secondary Α of a Near Α Titanium Open
View article: The Effect of Heat Treatment on the Evolution of Microstructure and Texture in Ti80 Hot Rolled Pipe
The Effect of Heat Treatment on the Evolution of Microstructure and Texture in Ti80 Hot Rolled Pipe Open
In this study, the microstructure and texture evolution of hot rolled Ti80 pipe annealing at 960°C and 990°C in α+β two-phase field have been investigated. The results showed that the dissolution of α phases induced the increase of texture…
View article: Quasi-Static, Dynamic Compressive Properties and Deformation Mechanisms of Ti-6Al-4V Alloy with Gradient Structure
Quasi-Static, Dynamic Compressive Properties and Deformation Mechanisms of Ti-6Al-4V Alloy with Gradient Structure Open
Gradient structure metals have good comprehensive properties of strength and toughness and are expected to improve the dynamic mechanical properties of materials. However, there are few studies on the dynamic mechanical properties of gradi…
View article: Investigation of Slow Eutectoid Element on Tensile Properties and Superplasticity of a Forged SP700 Titanium Alloy
Investigation of Slow Eutectoid Element on Tensile Properties and Superplasticity of a Forged SP700 Titanium Alloy Open
The tensile properties and superplasticity of a forged SP700 alloy with slow eutectoid element (1.5%Cr) addition were investigated in the present paper. The results of the microstructures showed that slow eutectoid element Cr has a signifi…
View article: Evolution of coordination between α and β phases for two-phase titanium alloy during hot working
Evolution of coordination between α and β phases for two-phase titanium alloy during hot working Open
The evolution of coordination between α and β phases for a two-phase titanium alloy was investigated. For this purpose, hot compression and heat treatment under different conditions were carried out. The results show that the ability of co…
View article: Effect of Zr Addition on the Mechanical Properties and Superplasticity of a Forged SP700 Titanium Alloy
Effect of Zr Addition on the Mechanical Properties and Superplasticity of a Forged SP700 Titanium Alloy Open
The present study focuses on the effect of 1% Zr addition on the microstructure, tensile properties and superplasticity of a forged SP700 alloy. The results demonstrated that Zr has a significant effect on inhibiting the microstructural se…
View article: Analysis of Anisotropy Mechanism in Relation with Slip Activity in Near Α Titanium Alloy Pipe after Pilger Cold Rolling
Analysis of Anisotropy Mechanism in Relation with Slip Activity in Near Α Titanium Alloy Pipe after Pilger Cold Rolling Open
View article: Fracture toughness of Ti–22Al–25Nb alloy at room and high temperatures
Fracture toughness of Ti–22Al–25Nb alloy at room and high temperatures Open
View article: Strong electron acceptor additive based spiro-OMeTAD for high-performance and hysteresis-less planar perovskite solar cells
Strong electron acceptor additive based spiro-OMeTAD for high-performance and hysteresis-less planar perovskite solar cells Open
A perovskite solar cell with DDQ doped spiro-OMeTAD HTL delivers a champion power conversion efficiency of 21.16%.
View article: Texture evolution during Isothermal compression process of Ti-22Al-25Nb alloy in B2 phase region
Texture evolution during Isothermal compression process of Ti-22Al-25Nb alloy in B2 phase region Open
In the present work, the hot deformation behavior, dynamic recovery, dynamic recrystallization and texture evolution of Ti-22Al-25Nb alloy on the conditions of 1100°C with four different thickness reductions (35%, 50%, 65% and 80%) are inv…
View article: Microstructure, Tensile, and Creep Behaviors of Ti-22Al-25Nb (at.%) Orthorhombic Alloy with Equiaxed Microstructure
Microstructure, Tensile, and Creep Behaviors of Ti-22Al-25Nb (at.%) Orthorhombic Alloy with Equiaxed Microstructure Open
This article investigates the tensile and creep behaviors of the Ti-22Al-25Nb (at.%) alloy with equiaxed microstructure. The experimental results show that the equiaxed microstructures are formed by isothermal forging in the α2 + B2 + O ph…