Effect of Casting Temperatures and of Additions of Iron on Bearing Bronze (Cu 80: Sn 10: Pb 10) (Classic Reprint) - Softcover

Inhaltsangabe

Excerpt from Effect of Casting Temperatures and of Additions of Iron on Bearing Bronze (Cu 80: Sn 10: Pb 10)

The rate of wear per unit of work under wet tests was increased with small additions of iron. Further additions lowered the rate of wear until at 1 per cent iron the rate of wear was about the same as that of the iron-free bronze. The addition of iron up to 1 per cent decreased the deformation under pounding, this decrease becoming relatively small for additions over per cent. Additions of iron over per cent decreased the notch toughness. Additions of iron increased the hardness, the maximum hardness being obtained with per cent iron. Additions of iron to the bronze caused segregation of the lead particles and considerably reduced the grain size when the iron content was over per cent.

In general, it is therefore, to be concluded that small amounts of iron in the bronze studied were unfavorable in their effects on several of those properties which presumably are among the chief factors in determining suitability for bearing service.

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