Permalloy

[ purm-al-oi, pur-muh-loi ]

Trademark.

1. a brand name for any of a class of alloys of high magnetic permeability, containing from 30 to 90 percent nickel.

permalloy

/ pɜːmˈælɔɪ /

noun

1. any of various alloys containing iron and nickel (45–80 per cent) and sometimes smaller amounts of chromium and molybdenum

Word History and Origins

Origin of Permalloy¹

First recorded in 1920–25; perm(anent) + alloy

Word History and Origins

Origin of Permalloy¹

C20: from perm ( eability ) + alloy

Example Sentences

Avery, A. D., Pufall, M. R. & Zink, B. L. Observation of the planar Nernst effect in permalloy and nickel thin films with in-plane thermal gradients.

From Nature

Avery, A. D., Pufall, M. R. & Zink, B. L. Determining the planar Nernst effect from magnetic-field-dependent thermopower and resistance in nickel and permalloy thin films.

From Nature

Transverse spin Seebeck effect versus anomalous and planar Nernst effects in permalloy thin films.

From Nature

They invented permalloy and thereby quadrupled the amount of messages possible to send over cables.

From Time Magazine Archive

At Bay Roberts, 150 Newfoundlanders bundled on their oilskins and went down the beach through a driving rain to drag in the monstrous sea-serpent of twisted copper, brass, guttapercha and "permalloy" brought in to them by the cable-layer Colonia.

From Time Magazine Archive