In this study, the CBN (cubic boron nitride) wheel wear model of TC4 titanium alloy in longitudinal-torsional ultrasonic-assisted grinding (LTUAG) was established to explore the grinding wheel wear pattern of TC4 titanium alloy in LTUAG and to improve the grinding efficiency of TC4 titanium alloy and the grinding wheel life. The …

TC4 titanium, also known as Grade 5 titanium alloy or Ti-6Al-4V, is one of the most commonly used titanium alloys and accounts for more than 50% of total titanium usage. Overview of TC4 Titanium TC4 titanium gets its name from its composition – it contains 6% aluminum, 4% vanadium, 0.25% (maximum) iron, and 0.2% (maximum) …

Dissimilar metals. Honestly, for a bike, a Ti axle or swing arm bolt makes sense, for everything else, a few less burgers and shakes makes more sense. Any Ti or aluminum bolts, use anti-seize and a lighter tightening effort. Torque specs in your manual are for OEM fasteners.

In order to integrally manufacture the large TC4 titanium alloy part, an electrically-assisted incremental forming process is cleverly proposed to solve the traditional hot forming disadvantages of expensive heating furnaces and long cycle period. The two-step simulation method including thermal-electricity coupling simulation and …

TC4 (Ti-6Al-4 V) titanium alloy which is a dual phase (α + β) titanium alloy is widely used in aerospace field because of its excellent comprehensive properties [3]. In order to reduce the processing cost of TiAl alloy and increase the application flexibility, it is necessary to connect γ-TiAl based alloy and TC4 titanium alloy to form a ...

Material : 6AL4V Titanium Alloy, Grade 5 (TC4) Condition: 100% new of …

Consequently, the aging transformation, fusion welding process, and mechanical properties of the TC4-TA17 (Ti6Al4V-Ti4Al2V) alloy need to be further investigated. Here, a molecular dynamics study of K-TIG welding behavior between two ternary titanium alloys, TC4 and TA17, has been carried out.

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The average grain size of TC4 alloy is 126.74 μm, the micron TiC/TC4 composite is 41.86 μm, the nano TiC/TC4 composite is 9.98 μm, and the nano/micron TiC/TC4 composite is 9.64 μm, and the ...

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Welding thick plate has become a topic of interest for multiple industrial sectors for many years. However, there are plenty of difficulties on the joining technology of medium-thickness titanium alloy plate waiting to be solved urgently. In this paper, the microstructure and residual stress distribution of 7.5-mm-thick TC4 titanium alloy jointed …

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TC4 (Ti-6Al-4V) titanium alloy and 304 stainless steel (304SS) were used as the base metals and had the dimensions of 80 mm × 20 mm×1.5 mm. Their chemical composition and mechanical properties are listed in Table 1 and Table 2, respectively. The filler metal was a BAg45CuZn (45Ag-30Cu-24Zn-0.01Cd-0.05Si, wt%) silver base solder …

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The cylindrical grinding process (with grinding wheel speed v s from 45 to 150 m/s) of titanium alloy TC4 is studied in this paper to find the suitable grinding conditions by orthogonal experiment, including grinding wheel speed v s, workpiece speed v w, and cutting depth a p, for generation of higher surface residual compressive stresses.Then …

2.1. Materials. The specimens of TC4 titanium alloy used in this experiment were mainly composed of α + β phase isometric crystals, as shown in Figure 1, and their chemical composition was shown in Table 1.The organization was uniform and fine, the black phase was α phase, the white phase was β phase, β phase was distributed in grain boundary of …

The 0.6–1.2 mm thick TC4 titanium alloys have a stable crack propagation, and the toughness is the highest. The unstable crack propagation of the 1.5 mm thick TC4 titanium alloy sheet almost immediately occurs after the crack initiation, and this plate thickness presents obvious brittleness.

Microstructure and Properties of TC4 Titanium Alloy. There are only three types of titanium alloys according to the organization, namely α type, (α + β) type and β type. Among them, α-type and β-type titanium alloys do not change their crystal form after heating and cooling. Only in (α+β)-type titanium alloys containing a certain range of alloying elements, the …

Abstract. 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, stud ….

TC4ELI is an improved version of TC4, the main difference is the different Al content and lower content of interstitial elements Fe, N, H, and O. TC4ELI titanium alloy has become a medical-surgical implant due to its good biocompatibility, low elastic modulus, low density, good corrosion resistance, non-toxicity, high yield strength, long ...

This paper focuses on the plastic deformation behavior of TC4 titanium alloy under cyclic loading by the finite element method. Finite element models were established based on the realistic microstructure whose volume fraction and gain size of primary α phase are 11.86% and 10.35 μm, respectively. The effect of cyclic loading conditions and …

Dissimilar metal vacuum brazing between TC4 titanium alloy and 304 stainless steel was conducted with newly designed Cu-Ti-Ni-Zr-V amorphous alloy foils as filler metals. Solid joints were obtained due to excellent compatibility between the filler metal and stainless steel substrate. Partial dissolution of stainless steel substrate occurred …

TC4 titanium alloy is widely used in aerospace, marine chemical industry, and medical application because of its high specific strength, corrosion resistance, and anti-high temperature performance [].Especially in the aviation industry in recent years, the proportion of TC4 titanium alloy used has increased from 5 to more than 14% …

TC4 titanium alloy (334.7 HV) was selected as the base material. The processing conditions of the raw materials were as follows: the TC4 titanium alloy ingot was first forged into a slab, then rolled into a sheet with a thickness of 24 mm, finally cut into rectangular shapes with dimensions of 45 × 24 × 3 mm (length × width × thickness ...

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3.5. Fracture Mode of the Assembly Bolt under Tensile Load. Titanium alloy Ti6Al4V is a two-phase alloy which possesses good plasticity due to the spring back property and hcp crystal structure of the micro-constituent 'α' phase. For high-lock bolts, the fracture is always ductile fracture . However, the fracture in this work revealed a ...

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 alloy sheet is …

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 …

The influences of Li content on the corrosion behavior of TC4 (Ti6Al4V) titanium alloy were explored when the TC4 titanium alloy was immersed in Al–Li alloy melt containing 0%, 1%, and 2% lithium at 680 °C, 700 °C, and 720 °C for 0.5 h, 1 h, and 2 h. The structure and growth law of the diffusion reaction layer at solid–liquid interface were …

However, TC4 titanium alloy is very sensitive to strain rate at elevated temperature. The yield strength increases dramatically with the increasing of strain rate at elevated temperature. The yield strength increased approximately 65.8% when the strain rate increasing from 0.001 to 1 s −1 at the temperature of 600 °C as shown in Fig. 3 (b).

The influencing mechanism of the microstructure and GB characteristics on the mechanical properties of the titanium alloy K-TIG WMZ were analyzed. 2 Experimental For the K-TIG welding tests, the BM was 12 mm-thick TC4 titanium alloy plate. The dimensions of the TC4 titanium alloy plate were 300 mm × 100 mm. The chemical …

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The composition of titanium alloy TC4 material is Ti-6Al-4V, which belongs to (α + β) type titanium alloy and has good comprehensive mechanical and mechanical properties. Bigger than strength. The strength sb of TC4 = 1.012GPa, density g = 4.4 * 103, specific strength sb / g = 23.5, and the specific strength sb / g of alloy steel is less than 18.