T2 Thermocouple Alloy Powder (Ni95/(Al+Mn+Si)5)

T2 Thermocouple Alloy Powder (Ni95/Al-Mn-Si 5) offers high oxidation resistance, stable thermoelectric output, and superior workability in a finely divided form, enabling precise processing into thermocouple elements. Its powder format allows controlled sintering, compaction, and coating, supporting both research and manufacturing needs in thermoelectric sensor development. Industries such as aerospace, nuclear energy, and metallurgy employ this alloy powder in fabricating thermocouples, EMF calibration standards, and advanced heating components. Specific technologies benefiting include micro-scale thermal sensors, powder metallurgy electrodes, and prototype alloy blends for high-temperature use. Research applications include studies of EMF drift mechanisms, powder consolidation methods, and alloy stability under cyclic heating. Its adaptability to both additive manufacturing and conventional powder processing makes it an essential material for next-generation thermal monitoring solutions.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Powder

Mean Particle Size		Nominal
Minimum Particle Size		Nominal
Maximum Particle Size		Nominal
Maximum Particle Size		Nominal
Particle Size D10		Nominal
Particle Size D50		Nominal
Particle Size D90		Nominal

Material Properties for Alloys

Magnetic Properties

Element	Value
Maximum permeability	1.07

Mechanical Properties

Element	Value
Elongation at break( % )	<44
Modulus of elasticity( GPa )	220
Izod impact strength( J m⁻¹ )	108
Tensile strength( MPa )	550-780

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	29-33
Temperature coefficient( K⁻¹ )	0.0019

Thermal Properties

Element	Value
Maximum use temperature in air( C )	1100
Melting point( C )	1315-1390
Specific heat( J K⁻¹ kg⁻¹ )	446@23°C
Thermal conductivity( W m⁻¹ K⁻¹ )	30-32@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	16.8@20-1000°C