抄録
Stress corrosion cracking of α brasses and effects of hydrogen on it are investigated. Hydrogen permeation into the alloys increases with increasing zinc content, although it is affected by the cathodic charging condition used. Permeated hydrogen evolves out completely by aging at room temperature after charging. Though tensile properties of alloys are not affected, the stress corrosion cracking life is lowered by hydrogen permeation and recovered by evolution of hydrogen. It is concluded that hydrogen has some effect on stress corrosion cracking of α brasses studied.
