منزل • Tc4 Titanium Alloy Sheet - چین Tc4 Titanium Alloy Shee

Tc4 Titanium Alloy Sheet - چین Tc4 Titanium Alloy Shee

Performance and microstructure of TC4 titanium alloy …

The effects of experimental parameters on the tensile strength (Fig. 3 a) and elongation (Fig. 3 b) of TC4 titanium alloy is shown in Fig. 3. Download : Download high-res image (374KB) Download : Download full-size image; Fig.3. The tensile strength and elongation of TC4 titanium alloy subjected to DCT and MDCT(a) tensile strength; (b) …

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Impacts of laser cladding residual stress and material properties …

In this study, the titanium alloy Ti6Al4V (TC4 for convenience), which is popular in extremely high-temperature environments, was chosen. SiC microparticles (SiCp) reinforced TC4-based FGM layers were coated on a TC4 sheet by the laser cladding technology, and the distribution of SiCp in FGM layers was confirmed.

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The effect of thickness on fracture characteristics of TC4 titanium

Single-edge crack tensile tests of TC4 titanium alloys with different plate thicknesses were conducted, and digital image correlation technique was used to obtain crack tip opening displacement (δ5) and crack mouth opening displacement (V). The influence of thickness on the fracture characteristics of the TC4 titanium alloy sheets is …

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Formability and microstructure of TC4 titanium alloy …

2.1 Materials and experimental procedure. The material employed in this experiment is a TC4 alloy hot-rolled bar. Table 1 summarises the main chemical composition of this material. The initial microstructure comprises a matrix alpha phase and a small amount of residual beta phase, which exhibits the structural characteristics of a …

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Characterization of the Microstructures and Dynamic

The Ti-6Al-4V (TC4) is subjected to an isothermal compression test by the Gleeble-3800 thermal simulation testing machine, and the stress–strain curve is obtained, and the experimental data are corrected by friction. Through dynamic recrystallization (DRX) dynamic analysis and simulation, the microstructure evolution and hot compression …

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Phase transition, microstructural evolution and mechanical …

Ti–6Al–4V (TC4) and Ti–6.5Al–3.5Mo–1.5Zr–0.3Si (TC11) joints were achieved via Ti–37.5Zr–15Ni–10Cu (wt%) filler metal when the brazing temperature was in the range from 950 °C (below β-transus) to 1040 °C (above β-transus) for 10–60 min. The role of brazing parameters in the microstructure evolution as well as mechanical …

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Experimental study on the dynamic mechanical …

The test data are presented in Fig. 9. The data show that the yield stress decreases with the increase in testing temperature, which conforms to the flow soft-ening behavior of TC4 titanium alloy. As shown in Fig. 10, the 0.2 % offset yield stresses are 1428, 1318, and 1189 MPa for 25, 100, and 200 C, respectively.

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The influence of ultrasonic shot peening on the surface …

Yang et al. [21] studied the effect of the shot peening intensity on the surface roughness of the TC4 titanium alloy using the traditional pneumatic shot peening method. The Ra of the initial and shot-peened specimens with the intensities of 0.2, 0.3 and 0.4 mmA were 0.562, 1.172, 1.753, and 2.107 μm, respectively.

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(PDF) materials Numerical Simulation and …

deformation of TC4 titanium alloy under tensile and compressive loads. In both cases, electrical current Materials 2020, 13, 1335; doi:10.3390 / ma13061335 / journal / materials

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Microstructure and mechanical properties of laser welded Ti-6Al-4V (TC4

Annealed plates of Ti-6Al-4V titanium alloy were used in this study with a thickness of 3 mm. Ti-6Al-4V is a typical alpha–beta phase titanium alloy. The chemical composition of the base metal is given in Table 1. For the welding procedure, titanium alloy plates with dimensions of 80 mm × 75 mm × 3 mm were made.

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Mechanical Properties and Fracture Behavior of a TC4 …

TC4 titanium alloy has excellent comprehensive properties. Due to its light weight, high specific strength, and good corrosion resistance, it is widely used in …

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Influence of electropulsing assisted on machining properties …

This paper deals with the concerns of industrial demand for enhancing the machinability of Ti-6Al-4V titanium alloy (TC4). In this regard, the electroplastic effect of high-frequency pulse current can improve the plasticity of the material and reduce the processing resistance of the material. Its application in the processing and manufacturing …

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Formability and microstructure evolution of Ti-6Al-4 V alloy …

The proportions of α phase were 83.1%, 77.1%, and 81.1%. The maximum temperature of TC4 sheet in this work is about 800 °C as shown in Fig. 4b, which was higher than the recrystallization temperature (about 750 ℃) of TC4 titanium alloy . As a base component, the α phase underwent dynamic recrystallization during deformation.

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Mechanical Properties and Constitutive Model of TC4 Titanium Alloy …

The dynamic mechanical properties of the TC4 titanium alloy were investigated within a temperature range of − 40 °C to 20 °C and strain rates that range from 500 s−1 to 3000 s−1. Based on the obtained experimental data, modifications were made to the Johnson–Cook (J–C) constitutive model, tailored explicitly for low temperatures. This …

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Microstructure and mechanical properties of electron beam welded TC4

This study investigates the microstructure characterization and residual stress differences of a welded TC4 titanium alloy structure to determine the optimum electron beam welding parameters. A finite element model is constructed on the basis of the actual weld morphology under different welding parameters, and the Mises stress of the …

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Study on Surface Integrity and Fatigue Properties of TC4 Titanium Alloy

The material selected for the test was TC4 titanium alloy with α + β dual-phase structure and a hardness of 315 HV. The main chemical composition is shown in Table 1. The original material was annealed TC4 titanium alloy sheet with 20 mm thickness, and its main chemical composition is shown in Table 1. The TC4 titanium …

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Thermoplastic forming of TC4 titanium alloy sheet by direct …

The temperature distribution of TC4 titanium alloy sheet by direct pulse current electromagnetic forming at different discharge voltages (a) 10 kV, b 12 kV, c 14 kV, d 16 kV ...

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Crack risk in Nd: YAG laser welding of Ti-6Al-4V alloy

Section snippets Experimental design. The SigmaLaser®300 Nd: YAG laser system, commonly used in the repair of cutting and molding tools [11], was employed on Ti-6Al-4V titanium alloy sheet specimens measuring 30 × 15 × 1.5 mm and having X-shaped welding grooves.Grade 5 and Grade 1 titanium alloy wires were used as filler material.

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Mechanical Properties and Fracture Behavior of a TC4 Titanium Alloy Sheet

TC4 titanium alloy has excellent comprehensive properties. Due to its light weight, high specific strength, and good corrosion resistance, it is widely used in aerospace, military defense, and other fields. Given that titanium alloy components are often fractured by impact loads during service, studying the fracture behavior and damage mechanism of …

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TC4 Titanium

TC4 contains titanium (Ti) balance, iron (Fe) ≤ 0.30, carbon (C) ≤ 0.10, nitrogen (N) ≤ 0.05, hydrogen (H) ≤ 0.015, oxygen (O) ≤ 0.20, aluminum (Al) 5.5～ 6.8, Vanadium (V) …

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Influence of gas pressure on the low-temperature plasma …

1. Introduction. Titanium alloys have been widely used in many industrial fields for their excellent mechanical properties and electrochemical stability [1].Among them, TC4 titanium alloy (Ti-6Al-4V) has drawn specific attention for its high strength-to-weight and certain strength [2], and compared with other metallic materials, titanium alloy has …

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Direct pulse current electromagnetic forming (DPCEMF): a

Li et al. investigated the formability of the 5052 aluminum alloy sheet using a combined quasi-static tension and EMF. Their results show that the formability of the aluminum alloy sheet under a dynamic tensile process is dramatically increased beyond that using quasi-static tension.

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Metals | Free Full-Text | Microstructure and …

TC4 titanium alloy is a typical α+β two-phase titanium alloy. Due to its low density, high specific strength, excellent corrosion resistance, and fatigue resistance, it has been widely used in the …

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Microstructure and Mechanical Properties of Dissimilar TC4 Titanium

TC4 titanium alloy was successfully welded to 304 stainless steel using gas tungsten arc welding with a CuSi3 filler wire. The Ti/weld transition zone in the joint consisted of β-Ti, Ti2Cu, AlCu2Ti, TiCu, and Ti5Si3 intermetallic compounds (IMCs) when welded with low current. As the welding current increased, more Fe dissolved into the …

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Numerical and experimental study on formability of TC4 alloy …

In this study, a novel modified hot stamping process is proposed to prevent the heat loss of titanium alloy sheet during transferring and stamping. A technology which is two steel sheets clamping one titanium alloy sheet (the sandwich structure) to transfer and deform was used in the multi-layer sheet hot stamping process. The formability of …

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Characterization and mechanical properties of thick TC4 …

The thick TC4 titanium alloy sheets were welded by vacuum EBW (ZD150-60CV85) technology, chemical compositions (wt.%) of TC4 titanium alloy: 6.24Al, …

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(PDF) Hot stamping of titanium alloys

A complex shaped wing stiffener was successfully formed from TC4 titanium alloy in less than 70 s including heating, transfer and forming, and the post-form strength was almost the same with the ...

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(PDF) Effect of Heating on Hot Deformation and …

Dual-phase titanium alloy TC4 sheets with a thickness of 1.5 mm were used in this. study. The chemical composition is shown in Table 1, and the micr ostructure is shown in. Figure 1, in which the ...

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Synergistic effect of oscillating laser-Nb foil on …

Oscillating laser welding of TC4 titanium (Ti) to 7075 aluminum (Al) alloys with assistance of Nb foil was performed in an overlap Ti-on-Al configuration, and Nb foil was determined to improve the metallurgical reactions based on analysis from thermodynamic calculations. The synergistic effect of oscillating laser-Nb foil on …

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Numerical Simulation and Experiment of Electrically-Assisted …

The electrically-assisted incremental forming experiment of thin TC4 titanium alloy sheet was performed. The highest prediction error is 6% for springback angles. The thrice forming at 10.9 A/mm2 satisfies …

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Improvement of mechanical property on TC17 welded joints …

Titanium alloy has splendid biocompatibility and high specific strength [1,2,3].TC17 is the α and β two-phase titanium alloy which is rich in β-stabilizing elements [4, 5] and its nominal composition is Ti-5Al-2Sn-2Zr-4Mo-4Cr [6, 7].TC17 titanium alloy is widely used in aerospace parts due to its high strength, good corrosion resistance, and …

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Microstructure and mechanical properties of TC4 titanium alloy …

Production of hollow shafts satisfying mechanical performance requirements can well meet the needs of lightweight. The purpose of this work is to investigate the effect of cross wedge rolling (CWR) process parameters on microstructure and mechanical properties of TC4 titanium alloy hollow shafts, so as to ensure the feasibility of forming …

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A comparative study on the dry sliding wear properties of TC4 …

TC4 and TC11 alloys shared almost the same wear regularity and characteristics. Both of the two titanium alloys had the optimal wear resistance at 4 m s −1, the suboptimal at 0.75 m s −1, and the worst at 2.68 m s −1. The wear rate of TC4 alloy was always higher than that of TC11 alloy at different sliding velocities, especially at 4 m s ...

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Microstructure evolution of S-TC4 titanium alloy blade …

2.1 Materials. The raw material used in the experiments was a TC4 alloy bar made by pressing and sintering, so it is abbreviated as S-TC4. Its chemical composition is shown in Table 1.The initial microstructure is shown in Fig. 1, and it is clear that the microstructure mainly consists of lamellar alpha phase with a couple of equiaxed alpha …

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