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Ni3Al Alloy

Ni3Al Alloy

Cat No:HTA-0009

Description

Ni3Al intermetallic compound high temperature alloy with 950℃ service temperature. Suitable for ultra-high temperature research, available in powder and solid forms.

Basic Information

Chemical Composition (Mass %) Ni: Bal, Al: 18-20, Ti: 1-2, Cr: 5-7, Mo: 0.5-1.0
Purity ≥99.8%
Form Ingot, Forging, Powder
Grain Size Fine-grained, ≤5 μm
Density (g/cm³) 7.8
Tensile Strength (MPa) ≥1000
Yield Strength (MPa) ≥600
Elongation at Break (%) ≥10
Hardness (HV) 400-450
Maximum Service Temperature (℃) 950
Minimum Service Temperature (℃) -196
Oxidation Resistance Excellent, oxidation resistance at 950℃
Corrosion Resistance Good, resistant to high-temperature corrosion
Creep Resistance Superior, creep resistance at ultra-high temperature
Weldability Moderate, weldable with filler metal
Machinability Moderate, requires high-speed machining
Heat Treatment Process Solution treatment (1150℃/1h, water cooling) + aging treatment (850℃/8h, air cooling)
Particle Size (for Powder) 0-45 μm (Powder Form)
Sphericity (for Powder) ≥95% (Powder Form)
Oxygen Content (ppm) ≤30
Flowability (s/50g, for Powder) ≤15 (Powder Form)
Apparent Density (g/cm³, for Powder) 2.8-3.2 (Powder Form)
Tap Density (g/cm³, for Powder) 3.8-4.2 (Powder Form)
Application Aero-engine turbine discs, high-temperature fasteners, thermal barrier coatings
Surface Condition Annealed surface, uniform composition
Melting Point (℃) 1390-1430
Magnetic Property Non-magnetic

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