Metal treatment – Compositions – Heat treating
Patent
1979-01-22
1981-04-21
Kendall, Ralph S.
Metal treatment
Compositions
Heat treating
148133, 148 315, C23F 706
Patent
active
042630606
ABSTRACT:
A method of treating a part which contains titanium in its outer surface luding the steps of removing a portion of the natural oxide layer, placing the part in an enclosure, evacuating the enclosure, isolating the evacuated enclosure, and introducing oxygen in an amount ranging from 10.sup.-3 to 2.55 milligrams for each square centimeter of total outer part surface area, and heating to a temperature from 450.degree. C. to 880.degree. C.
REFERENCES:
patent: 2812273 (1957-11-01), Shilliday et al.
patent: 2943031 (1960-06-01), Warner
patent: 3096272 (1963-07-01), Beer
patent: 3322577 (1967-06-01), Smith, Jr.
patent: 3472704 (1969-10-01), Watson et al.
patent: 3779816 (1973-12-01), Mao
Gaucher Antoine
Zabinski Bernard
Burt Pamela S.
Centre Stephanois de Recherches Mecanique Hydromecanique et Frot
Kendall Ralph S.
Shortley John L.
Weiner Irving M.
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