Reference : Research of energy during anodic dissolution stress corrosion damage
Scientific journals : Article
Engineering, computing & technology : Mechanical engineering
Engineering, computing & technology : Materials science & engineering
Engineering, computing & technology : Aerospace & aeronautics engineering
http://hdl.handle.net/2268/175600
Research of energy during anodic dissolution stress corrosion damage
Chinese
Wu, Ling mailto [Université de Liège - ULiège > Département d'aérospatiale et mécanique > Computational & Multiscale Mechanics of Materials (CM3) >]
Sun, Qin [Northwestern Polytechnical University > > > >]
Oct-2004
Journal of Mechanical Strength
26
Suppl.
49-51
Yes
National
1001-9669
China
[en] Damage ; Stress-corrosion ; Thermodynamics ; Anodic dissolution ; Energy dissipation
[en] As facture mechanics has been used successfully in predicting stress corrosion cracking propagation , and the initiation of the stress corrosion cracking has not been solved well, the author intends to solve the problem of initiation with damage mechanics. The stress corrosion damage and anodic dissolution stress-corrosion is considered here based on thermodynamics. It is proposed that stress corrosion damage occurs because anodic dissolution in the metals supplies an additional electrochemical energy component on the elastic strain energy, and the two kinds of energy work together to accelerate the process of the damage. The relationships between the free energy and thermodynamic variables are given. When the function of free energy is formed properly , the quantificational calculation for the damage of stress-corrosion can be done .
The project supported by the Aeronautical Science Foundation (No. CB10003) of China and Doctorate Foundation of Northwestern Polytechnical University.
http://hdl.handle.net/2268/175600
http://en.cnki.com.cn/Article_en/CJFDTotal-JXQD2004S1015.htm

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