The T-joints of Ti–6Al–4V alloy, including stringer and skin, were fabricated in three cases: laser power 2.1 kW and welding speed 18 mm/s, 22 mm/s, 25 mm/s, respectively. The deflection angle of the laser head with respect to the normal direction of the skin was 50°. Additionally, a gas protection system consisting of a front and a back ...
Effect of the forming method on part shape quality in cold roll forming high strength Ti-6Al-4V sheet. O. Badr B. Rolfe M. Weiss. Materials Science, Engineering. 2018; 25. ... Ti–6Al–4 V sheets possess limited formability at room temperature due to low ductility with almost no strain hardening.
TIMETAL 6-4 is a general-purpose alpha-beta alloy in widespread use. It contains a favorable balance of pr operties with moderately high tensile strength, good fatigue …
In recent years, Ti-6Al-4V titanium alloy has been widely used in many fields because of its excellent material properties. However, the complex properties of Ti-6Al-4V titanium alloy make the common material constitutive model no longer applicable. It is difficult to accurately analyze the deformation process of Ti-6Al-4V titanium alloy in …
6Al-4V (Grade 5) Sheet/Plate (Thickness: 0.012in., Length: 49.000in., Width: 24.000in.) 0.012. 24.000. 49.000. $470.40 each. On hand: 2. View Details Add to Cart. 6Al-4V …
The assumption that the diffusion process is driven mainly by a single diffusing element is a simplification that for both Ti-6Al-4V and other alloys has been successfully used in the literature.[9,14,15] For an infinitesimal time step, the two equations describing the solute flux in a particle are[11,13] the field equation (Eq.
17.3.3 Ti-base alloy. Ti-6Al-4 V is an (α + β) titanium alloy that contains α stabilizer element Al and β stabilizer element V. The typical as-cast Ti-6Al-4 V microstructure consists of transformed β containing acicular α as well as α at prior-β grain boundaries, while the annealed wrought Ti-6Al-4 V bar typically consists of equiaxed ...
The mechanical properties of the titanium alloy Ti–6Al–4V, which vary with the specimen size under different temperatures, are studied through the Split Hopkinson Pressure Bar (SHPB) test and ...
3.1 Microstructure. Figure 3 shows the OM and SEM microstructure images of the Ti-6Al-4V alloy after electric pulse treatment. The original sample microstructure had only the α and β phases, the α phase volume fraction was 81.50% and was very high, the α phase was the dominant phase in the microstructure with a uniform distribution in a …
The medical grade Ti–6Al–4V ELI (Extra Low Interstitial) powder was used for both the EBM and SLM process. The Ti–6Al–4V powders for EBM and SLM are provided by Arcam AB (Sweden) and LPW Technology (Cheshire, UK), respectively. The morphology of the powders is shown in Fig. 1(a) and (b), indicating the powders are nearly spherical.
A Ti–6Al–4V alloy sheet with a submicrocrystalline structure (grain size of 0.3 μm) was produced by multistep isothermal forging followed by flat rolling at temperatures below 650°C. The sheet showed a very strong basal texture and isotropic properties in the sheet plane. Room temperature yield strength, ultimate tensile strength, and ...
1. Introduction. Titanium (Ti) and its alloys, namely the most popular one Ti–6Al–4V alloy, have rapidly evolved to become one of the most important high-end materials in a variety of industrial applications such as aerospace, biomedical, and power/energy sectors [1, 2].This is associated with its excellent corrosion resistance and …
Abstract. Electric hot incremental forming of metal sheet is a new technique that is feasible and easy to control to form hard-to-form sheet metals. In the present study, Ti-6Al-4V titanium sheet ...
The material used is Ti–6Al–4V alloy that has an α (hcp)+β (bcc) bimodal microstructure. The chemical composition is: 6.43C, 4.12V, 0.049Fe, 0.16O, 0.012N and 0.011C in mass %. The tensile strength was 1010 MPa, the 0.2% yield stress was 920 MPa, the reduction of area was 38% and the Vickers hardness HV was 306.
Ti 6Al-4V is known as the "workhorse" of the titanium industry because it is by far the most common Ti alloy, accounting for more than 50% of total titanium usage. It is an …
This article focuses on a systematic study of a Ti-6Al-4V alloy in order to extensively characterize the main mechanical properties at the macro-, micro- and submicrometric length scale under different stress fields. Hardness, elastic modulus, true stress–strain curves and strain-hardening exponent are correlated with the intrinsic …
DOI: 10.1016/S1359-6462(99)00396-6 Corpus ID: 136652342; Study of the α → β phase transformation of a Ti-6Al-4V sheet by means of texture change @article{Gey2000StudyOT, title={Study of the $alpha$ → $beta$ phase transformation of a Ti-6Al-4V sheet by means of texture change}, author={N. Gey and Michel Humbert …
A typical well-recrystallized microstructure of unirradiated and irradiated Ti-6Al-4V at the highest dose (5 × 10 21 p/m 2) has been shown in Fig. 2 (a) and (b). The average grain size for the samples was found to vary 10–30 μm in both the cases. Fig. 2 a and b show the EBSD Inverse Pole Figure (IPF) map of the unirradiated and irradiated …
Ti-6AL-4V is a non-magnetic, two-phase alloy, containing both alpha and beta phase crystalline structures. This high strength grade can be used at cryogenic temperatures to …
Pan et al. [41] characterized the microstructure of LSP-treated Ti-6Al-4 V alloy and showed that the depth of the grain refinement region is about 100–150 μm. Lainé et al. [40] conducted LSP on Ti-6Al-4 V alloy (using almost the same LSP parameters as in this work), and the GNG layer was shown to be less than 100 μm. Thus, in the current ...
The compositions of Ti-6Al-4V alloy by weight are 0.018% N, 0.036% C, 0.2% O, 0.003% H, 1.78% Fe, 6.4% Al, 4.08% V, and balanced Ti. The cylindrical specimens were produced with the axis oriented toward the build direction. Ti-6Al-4V alloys were cut at a pitch of 3 mm perpendicular to the build direction with a specimen diameter …
In general, the ductility of the Ti-6Al-4 V sheet is increased with decreasing strain rate. For a given temperature, i.e. temperature of 1023 K, the strain to failure was increased from 0.25 to 0.41 with the strain rate decreases from 1 to 0.01 s −1, and this trend can be also found in the temperature of 1123 K.
Transient liquid phase (TLP) bonding of Ti-6Al-4V/IN718 dissimilar joint was investigated using Cu interlayer at 950 °C for 5–45 min. The microstructure of the bonding zone was studied by using optical and scanning electron microscopes, energy dispersive spectroscopy, and X-ray diffraction analysis. Shear and microhardness tests were also …
The hot-rolled and annealed Ti-6Al-4V sheet (thickness of 2.3 mm) with a chemical composition of 6.82 Al - 4.02 V - 0.15 Fe - 0.12 O - balance Ti (wt%) were cut into pieces of 45 mm length (along the rolling direction) and 10 mm width. The samples were firstly solid solution treated ...
The TiH 2 and 60Al40V master alloy powders (provided by Tian Tai Long Metal Materials Co., Ltd, China) with a particle size of 5–55 µm and irregular shapes were used as raw materials. The chemical compositions of raw powders are shown in Table 1.The Ti-6Al-4V alloy powders were prepared by mechanical blending in a double-roller …
The Ti-6Al-4V alloy used in this study had a chemical composition of Ti-6.0A1-4.2V-0.2Fe-0.21O (in wt.%). The raw material was double arc-melted. The Ti-6Al-4V billet plate was manufactured by hot forging with an equiaxed α microstructure. The initial microstructure of the Ti-6Al-4V plate is shown in Fig. 1. The alloy had a bimodal structure ...
Figure 3. CCT diagram of the as-rolled 2 mm Ti–6Al–4V (grade 23) material with the applied cooling rates 200, 100, 30, 18, 10, 5, 1, 0.5, 0.1, 0.05, 0.01°C s −1 and the related hardness values (HV10). The …
The hot Nakajima tests on the Ti–6Al–4V alloy sheets under multiaxial deformations were conducted in accordance with ISO 12004–2 [58].The testing tools consisted of a die, punch, and holder and were installed in the UTM, which is capable of measuring a maximum load of 10 kN [54].In addition, the electric furnace heating system …
Anisotropic mechanical behavior of the Ti-6Al-4V alloy is essential for its forming and service. Generally, it is preferable to minimize the in-plane anisotropy of Ti-6Al-4V sheet. The present work investigates the anisotropy of Ti-6Al-4V alloy by tensile tests along the rolling direction (RD), transverse direction (TD), and diagonal direction (DD) of …
For this project, bulk Ti–6Al–4V sheets (440 mm×240 mm) were produced by multiple rolling passes, with a grain size of about 2.5 μm achieved. The superplastic behavior of Ti–6Al–4V at low temperatures (700–850 °C) was then investigated. The deformation mechanisms have been identified primarily by observing the microstructure …
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