How (CoCrNi)82Al9Ti9 Alloy Powder Enhances High-Performance Structural Materials

For applications demanding exceptional strength, corrosion resistance, and thermal stability, (CoCrNi)82Al9Ti9 alloy powder delivers an outstanding solution. This advanced alloy combines cobalt, chromium, and nickel with aluminum and titanium to optimize mechanical performance in harsh environments.

Balanced High Strength and Corrosion Resistance

The alloy contains 82% combined Co, Cr, and Ni, with 9% Al and 9% Ti additions. This composition enables:

• High tensile strength and yield strength at both room and elevated temperatures

• Improved oxidation resistance due to aluminum content

• Enhanced toughness and ductility from the Co-Cr-Ni base

These features are ideal for structural parts exposed to mechanical stress and corrosive media.

Excellent Thermal Stability and Wear Resistance

• Stable microstructure prevents grain growth under prolonged heat exposure

• Titanium addition improves wear and fatigue resistance

• Maintains dimensional accuracy and mechanical properties up to 900°C

This alloy is suitable for aerospace components, turbine parts, and chemical processing equipment.

Compatible with Additive Manufacturing

Produced via gas atomization, the powder exhibits:

• High sphericity and consistent particle size distribution

• Good flowability for powder bed fusion processes

• Excellent layer bonding and dense final parts after sintering

Supports laser powder bed fusion (LPBF), selective laser melting (SLM), and other AM technologies.

Typical Applications

• Aerospace structural components

• Gas turbine blades and casings

• Chemical reactors and heat exchangers

• High-performance tooling

Benefits Overview

• Superior mechanical strength and toughness

• Enhanced corrosion and oxidation resistance

• Stable performance in high-temperature conditions

• Excellent AM processability and final part quality

Frequently Asked Questions (FAQ)

Q1: What heat treatment improves this alloy's properties?
A1: Solution treatment followed by aging at 600–750°C enhances strength and hardness.

Q2: What particle sizes are available?
A2: Standard D50 range is 15–53 μm for additive manufacturing applications.

Q3: Can this alloy be welded?
A3: Yes, it shows good weldability with proper pre- and post-weld heat treatments.

Conclusion

(CoCrNi)82Al9Ti9 alloy powder is a robust choice for engineers seeking a combination of strength, thermal resistance, and corrosion protection. Its compatibility with additive manufacturing enables innovative design possibilities in demanding industries.

Contact HUAXIAO TECH for tailored solutions and technical support on (CoCrNi)82Al9Ti9 alloy powder.