Ti-1.5Al Titanium Alloy Product Introduction
Ti-1.5Al titanium alloy is a titanium-based alloy containing 1.5% aluminum (Al). Its oxidation resistance, strength, and formability are primarily enhanced through aluminum element regulation and trace alloying. Its chemical composition features a titanium (Ti) base with 1.5% aluminum (Al), and 0.1% yttrium (Y) is added to refine grains and prevent grain boundary embrittlement.
Performance Overview
The addition of 1.5% aluminum forms a dense Al₂O₃ protective film, reducing the oxidation rate by 60% compared to pure titanium; the introduction of 0.1% yttrium improves material ductility, achieving an elongation after fracture of 15%; a special heat treatment process is used to achieve the optimal balance between strength and plasticity; at 400°C, the bending strength reaches 480 MPa, three times higher than pure titanium; in high-temperature cyclic tests at 800°C, the strength decay rate is less than 5%; supports complex stamping and forming, with a 25% improvement in yield rate.
Product Advantages
Lightweight benefits, with a density only 60% that of stainless steel, a typical muffler weight reduction of 32%, real vehicle tests show a 2.1% reduction in fuel consumption, and CO₂ emissions decrease by 5.8 g/km; durability improvement, in simulated testing over 100,000 km, the oxide layer thickens by only 8 μm with no fatigue cracks, exhaust resistance fluctuation below 3%, and no surface cracks in 1000-hour high-temperature tests, demonstrating excellent reliability.
Certifications and Standards
1. Registered under ASTM standards in 2009.
2. Approved for market access in five countries including the United States, the United Kingdom, and Germany.
3. The first high-temperature titanium alloy to be adopted in mass production by mainstream automotive manufacturers.
Successful Application Cases
1. Porsche 911 Turbo S: Weight reduction of 12 kg, improved acceleration performance.
2. Toyota Prius Prime: Heat management system efficiency increased by 8%, electric-only range extended by 6 km.
3. F1 Racing Car: Stable operation under 1000°C conditions, weight reduced by 40%.
The Ti-1.5Al titanium alloy muffler, with its excellent high-temperature performance, significant weight reduction, and outstanding durability, is becoming the preferred choice for high-end and new energy vehicles, providing key material support for energy saving, emission reduction, and performance enhancement in the automotive industry.
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