Iron-based powder for powder metallurgy

Specialized metallurgical processes – compositions for use therei – Compositions – Loose particulate mixture containing metal particles

Reexamination Certificate

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C419S035000

Reexamination Certificate

active

07867314

ABSTRACT:
Flowability-improving particles containing 50 to 100% by mass of carbon black are adhered to surfaces of iron powder through a binder to provide an iron-based powder for powder metallurgy which has excellent flowability and which is capable of uniformly filling a thin-walled cavity, compaction with high ejection force, and maintaining sufficient strength of a sintered body in subsequent sintering.

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