Brightray

Brightray is a

exhaust valve heads and seats of petrol engines, particularly aircraft engines from the 1930s onwards. It was developed by Henry Wiggin and Co at Birmingham

.

As well as its use as a coating, it is also used in wire and strip form for electrical heating elements.

The original Brightray alloy was composed of 80% nickel / 20% chromium. This alloy is still in use today as Brightray S

rare-earth

additions to extend its lifetime under fluctuating temperatures, particularly with heating elements that are being continually switched on and off.

References

FJ Camm
(January 1944). "Brightray". Dictionary of Metals and Alloys (3rd ed.). p. 25.

^ "Brightray S" (PDF). Special Metals. Archived from the original (PDF) on 2016-12-20. Retrieved 2016-12-13.

^ "Brightray F" (PDF). Special Metals. Archived from the original (PDF) on 2016-12-20. Retrieved 2016-12-13.

^ "Brightray C" (PDF). Special Metals. Archived from the original (PDF) on 2016-12-20. Retrieved 2016-12-13.

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[Camm,_Brightray-1] FJ Camm
(January 1944). "Brightray". Dictionary of Metals and Alloys (3rd ed.). p. 25.

[2] "Brightray S" (PDF). Special Metals. Archived from the original (PDF) on 2016-12-20. Retrieved 2016-12-13.

[3] "Brightray F" (PDF). Special Metals. Archived from the original (PDF) on 2016-12-20. Retrieved 2016-12-13.

[4] "Brightray C" (PDF). Special Metals. Archived from the original (PDF) on 2016-12-20. Retrieved 2016-12-13.

See also

References