Material stress corrosion testing system and method capable of accurately controlling corrosion conditions

The invention discloses a material stress corrosion test system and method capable of accurately controlling corrosion conditions. The system comprises a corrosive liquid control device, a cantileverbeam stress corrosion test device, a rail-mounted multi-point image acquisition device and an industrial personal computer, the corrosive liquid control device comprises a corrosive liquid tank, a temperature control assembly for controlling the temperature of corrosive liquid in the corrosive liquid tank, and a corrosive liquid component measuring and alarming assembly for measuring the components of the corrosive liquid in the corrosive liquid tank and alarming; the corrosive liquid tank and the rail-mounted multi-point image acquisition device are both installed on the cantilever beam stress corrosion testing device, and the cantilever beam stress corrosion testing device and the rail-mounted multi-point image acquisition device are both electrically connected with the industrial personal computer. The stress c