Carburizing is one of the leading surface-hardening processesapplied to the sintered, low-alloyed steel parts in the automotiveindustry. While diffusion of carbon in wrought steel is welldocumented, this is not the case for PM steel subject tocarburizing in vacuum furnaces. In this paper we present resultsthat show that the density of the powder metal is the main factorfor the final carbon content and distribution. Also important isthe state of the surface of the part; either sintered with openporosity or machined with closed porosity. The way the carburizinggas moves through the furnace might be of some influence aswell.
- Edition:
- 07
- Published:
- 10/01/2007
- Number of Pages:
- 7
- File Size:
- 1 file , 410 KB
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