Description
Titanium Forged Block is a titanium alloy block material manufactured by forging process. The raw materials are usually titanium ingots or titanium alloy bars, which are formed by multiple deformation processes under high temperature and high pressure. During the forging process, the metal structure is compacted, and the fiber streamlines are arranged along the geometric shape of the workpiece, which improves the density and isotropic mechanical properties of the material. The product is heat treated and shaped before precision machining to ensure dimensional stability and uniformity of the structure, meeting the technical requirements of subsequent precision machining.
Features
High strength and low density improve structural efficiency
The core advantage of Titanium Forged Block lies in its extremely high strength and low density. Taking Ti-6Al-4V (Grade 5) as an example, its tensile strength reaches 895 MPa and its density is only 4.43 g/cm³, which is about 60% of steel of the same strength. The forging process further improves the material's organizational density and load uniformity, allowing it to withstand greater loads at the same weight, making it suitable for aerospace and high-load industrial structures, where there are strict requirements for weight reduction and safety factors.
Maintaining mechanical stability under high temperature environment
Titanium Forged Block can still maintain stable mechanical properties under high temperature conditions. Ti-6Al-4V alloy can still maintain a tensile strength of more than 800 MPa within 315°C, and has good creep resistance above 400°C, and will not cause loose structure due to grain coarsening. Because the forging process refines and controls the direction of the grains, the thermal stability is further enhanced, allowing it to maintain reliable thermal performance in high-temperature components such as aircraft engines and steam turbines.
Excellent corrosion resistance reduces long-term maintenance costs
The natural oxide film thickness of titanium is about 1.5~2.0 nm. After forging, the surface density is improved and the oxide film is more stable. Titanium Forged Block can remain completely passivated in seawater, chlorides and most organic acids. The corrosion rate of Grade 2 titanium in static seawater for 10 years is less than 0.03 mm/a. Its corrosion resistance is not weakened during the forging process, but is enhanced due to the increase in structural density, making it suitable for chemical equipment, marine engineering and other working conditions that are exposed to corrosive environments for a long time.
Optimizing grain structure to improve fatigue life
The fatigue life of titanium alloys is highly dependent on the arrangement direction and uniformity of its internal grains. The forging process can refine the grains to 10~20 μm and make them oriented along the force direction, effectively inhibiting the formation and expansion of crack sources. The fatigue limit of forged titanium alloys is more than 20% higher than that of cast materials of the same grade, which is particularly suitable for high-cycle fatigue conditions, such as aviation components, connectors and high-speed rotating parts.
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