Looking for New Polycrystalline MC-Reinforced Cobalt-Based Superalloys Candidate to Applications at 1200°C

Table 1

Physical properties of different types of MC carbides.

Carbide →	TaC	TiC	NbC	HfC	ZrC
Fusion (°C)	2880	3147	3490	3890	3530
Volume mass (g cm^3)	14.2	4.9	7.6	12.2	6.8
Hardness	1800	3000	2400	3000	2900
Thermal expansion coefficient  K^−1 [25–1000°C]	6.5	8.8	7.0	6.6	6.7