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250° C Internal Friction Peak in Iron

1962; Nature Portfolio; Volume: 196; Issue: 4859 Linguagem: Inglês

10.1038/1961083a0

1476-4687

A. R. Rosenfield,

Powder Metallurgy Techniques and Materials

AN internal friction peak, which occurs in iron at temperatures of about 250° C and frequencies of the order of 1 c/s has been the subject of some speculation1. The purpose of this communication is to suggest that the cause of the peak is diffusion of oxygen in iron.