International Scholarly Research Notices

Research Article

Thermal Expansion Behaviour of Ternary Nickel-Based, Cobalt-Based, and Iron-Based Alloys Containing Very High Fractions of Carbides

Table 2

Thermal expansion coefficients measured on the dilatometry curves, deformation at reaching 1200°C, deformation and total deformation values after the 1200°C-isothermal stage ( ) and after return to 100°C ( )—cobalt-based alloys.
Temperature (°C)Average linear thermal expansion coefficient (×10−6°C−1)
Co-30Cr-2.5CCo-30Cr-3.0CCo-30Cr-3.5C
Average (10−6 K−1)16.515.816.1
range for 100–1200°C200–900°C200–1000°C
end heating1.8121.9771.527
start cooling1.7281.4621.363
Total −0.084−0.515−0.164
Total −0.049 −0.190