Page 273 - Mechanical Engineer's Data Handbook

ENGINEERING MATERIALS 26 1

Coating metals Metals with high electrical resistance
~ ~~
Copper Advance (Cu, Ni)
Cadmium Constantan or Eureka (Cu, Ni)
Chromium Manganin (Cu, Mn, Ni)
Nickel Nichrome (Ni, Cr)
Gold Platinoid
Silver Mercury
Platinum Bismuth
Tin
Zinc Good electrical insulators
Brass
Bronze Thermoplastics
Lead Thermosetting plastics
Glass
Brazing metals Mica
Transformer oil
Copper, zinc (spelter) Quartz
Copper, zinc, tin Ceramics
Silver, copper, zinc, cadmium (Easy-flo) Soft natural and synthetic rubber
Silver, copper eutectic Hard rubber
Silver, copper, zinc Silicone rubber
Silver, copper, phosphorus Shellac
Gold alloys Paxolin
Palladium alloys Tufnol
Pure gold, silver, palladium and platinum Ebonite
Insulating papers, silks, etc.
Gases
Good cductors of electricity
~______
~
Semiconductors
Silver
Copper Silicon
Gold Germanium
Aluminium Gallium arsenide
Magnesium Gallium phosphide
Brass Gallium arsenide phosphide
Copper Cadmium sulphide
Phosphor bronze Zinc sulphide
Beryllium copper Indium antimonide

Permanent-magnet materials Low-loss ma~netic materials

Alnico I Pure iron
Alnico I1 Permalloy
Alnico V Mumetal
Cobalt steel 35% Silicon sheet steel 4.5%
Tungsten steel 6% Silicon sheet steel 1%
Chrome steel 3% Permendur
Electrical sheet steel 1% Si Annealed cast iron
Barium femte Ferrite