phosphor bronze

American  

noun

1. a bronze, composed of about 80 percent copper, 10 percent tin, 9 percent antimony, and 1 percent phosphorus, having great hardness and resistance to corrosion.

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phosphor bronze British  

noun

1. any of various hard corrosion-resistant alloys containing copper, tin (2–8 per cent), and phosphorus (0.1–0.4 per cent): used in gears, bearings, cylinder casings, etc

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Etymology

Origin of phosphor bronze

First recorded in 1870–75

Example Sentences

Other uses are in the manufacture of special alloys such as ferrophosphorus and phosphor bronze.

From Textbooks • Feb. 14, 2019

Of these the two rings nearest to the piston head were of the ordinary cast-iron type, while the others were of phosphor bronze, so arranged as to take the side thrust of the piston.

From A History of Aeronautics by Vivian, Evelyn Charles

In the entire 1903 engine only five basic materials—excepting those in the purchased "magneto" and the platinum facing on the ignition-system firing points—were used: steel, cast iron, aluminum, phosphor bronze, and babbit.

From The Wright Brothers' Engines and Their Design by Hobbs, Leonard S.

About the best material for such guard points is either aluminum or phosphor bronze, as such material is lighter than gold and very rigid and strong.

From Watch and Clock Escapements A Complete Study in Theory and Practice of the Lever, Cylinder and Chronometer Escapements, Together with a Brief Account of the Origin and Evolution of the Escapement in Horology by Anonymous

The ram is divided inside into two compartments, each having a phosphor bronze air piston.

From Scientific American Supplement, No. 799, April 25, 1891 by Various