The stress corrosion wa s one of lim iting factors in the lifetime of pressur e vessels.The stress corrosion lead to e mbrittlement cracking and destroy the pr essure vessels.

• 应力腐蚀是压力容器腐蚀破坏的重要形式,尤其是这种断裂失效呈脆性断裂的特点,易导致灾难性后果。