Low expansion alloys

Details Low expansion alloys Low expansion alloys

1975-05-05

1976-07-27

Dean, R.

Metal treatment

Compositions

Heat treating

75122, 75123J, 75123K, 75123M, 75124, 148142, 148158, C22C 3808

Patent

active

039716775

ABSTRACT:
Low expansion alloys consisting essentially of Ni-Fe-Ti and optionally containing Co and/or Nb are provided which in the as-cast, age hardened condition have a thermal expansion coefficient between 20.degree. and 300.degree.C of less than 6 .times. 10.sup..sup.-6 /.degree.C and a 0.2% proof stress at 20.degree.C higher than 350 N/mm.sup.2.

REFERENCES:
patent: 2018520 (1935-10-01), Halliwell
patent: 2266481 (1941-12-01), Talbot
patent: 2941882 (1960-06-01), Franklin et al.

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