phosphor bronze

English

Noun

phosphor bronze (countable and uncountable, plural phosphor bronzes)

1. Any alloy of copper with 3.5 to 10% tin and up to 1% phosphorus, notable for toughness, strength, low coefficient of friction, and fine grain.
   • 1962 December, “The B.R. standard diesel-electric Type 1 locomotive”, in Modern Railways, page 382:

     The weight of the body and the traction and braking forces are taken by the conventional dished bogie centre pivot with phosphor-bronze liner; this type of centre pivot facilitates passage over marshalling yard humps.