Description
Titanium Forged Pistons and Rods are piston and connecting rod assemblies manufactured through titanium alloy forging technology, suitable for power transmission structures in internal combustion engine systems. The product uses titanium alloy bars and is formed by dies under high temperature and high pressure conditions to make the metal structure dense and optimize the fiber streamline direction, thereby improving its structural strength and service life. The forging process includes heating, multi-pass forming, cooling and heat treatment to ensure that the technical standards are met in terms of dimensional accuracy, surface quality and internal structure uniformity.
Features
Excellent strength-to-weight ratio improves engine performance
Titanium alloy pistons and connecting rods are made of high-strength titanium alloy materials such as Ti-6Al-4V (Grade 5), which have an extremely high strength-to-weight ratio. Taking Ti-6Al-4V as an example, its tensile strength can reach 895 MPa and its density is only 4.43 g/cm³, which is about 60% of steel. The forging process further optimizes the grain structure, improves the uniformity and strength of the material, and makes it perform well in high-load, high-speed engines, improving the engine's response speed and power output.
Superior thermal stability ensures reliable operation in high-temperature environments
Titanium alloy materials have excellent high-temperature performance and can maintain stable mechanical properties in high-temperature environments. Ti-6Al-4V alloy can still maintain a tensile strength of more than 800 MPa below 315°C, and has good creep resistance at high temperatures, and will not cause loose structure due to grain coarsening. The forging process further improves the thermal stability of the material, so that it can still maintain good performance under high-temperature and high-load conditions, and is suitable for high-performance engines.
Excellent fatigue resistance extends component 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 orient them 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, and is particularly suitable for high-cycle fatigue conditions, such as high-load and high-speed application scenarios such as racing engines and aircraft engines.
Excellent corrosion resistance reduces maintenance costs
Titanium alloy materials have excellent corrosion resistance and can maintain stable performance in a variety of corrosive media. Ti-6Al-4V alloy remains completely passivated in seawater, chlorides and most organic acids, with extremely low corrosion rates. The forging process does not weaken its corrosion resistance, but enhances it due to increased structural density. It is suitable for conditions such as marine engineering and chemical equipment that are exposed to corrosive environments for a long time, reducing maintenance costs and downtime.
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