Method of manufacture of parts made of nickel or nickel alloy powders by metallurgy

摘要

P method of manufacture of parts made of nickel or nickel alloy having the structure called collar / p & & p & is deposited a layer of ni3 p on a powder of nickel or nickel alloy having a diameter of the grains at least equal to 100 mu, sintering under load, the powder thus coated at a temperature of between 1 100 and 1 200°C. under a pressure higher than 300 bars, for a period of at most equal to one hour. / p & & p & application to the production of parts, based on nickel. / p