Hardfacing Alloys

• Microstructure and stability of Fe-Cr-C hardfacing alloys
• Stellite hardfacing alloys.
• Hardfacing for elevated temperature applications.
• Silicon Modification of Iron based hardfacing alloys
• Stability, Wear and Microstructure of Fe, Co and Ni Hardfacing Alloys

Niobium carbide in Hardfacing Weld Deposit

The following micrographs are courtesy of Dr Mario C. Cordero-Cabrera.

Fe-1.4C-6Cr-8Nb-1Si wt% hardfacing alloy. The white particles a niobium carbides (NbC) present in a matrix of retained austenite, martensite and some M_7C_3 particles.

Fe-1.4C-6Cr-8Nb-1Si wt% hardfacing alloy. The white particles a niobium carbides (NbC) present in a matrix of retained austenite, martensite and some M_7C_3 particles.

Fe-C-Nb-Si hardfacing alloy. The white particles a niobium carbides (NbC) present in a matrix of retained austenite, martensite, ferrite and some M_7C_3 particles.

Mould tool manufacture using laser erosion