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er droplets flying in the air.

In order to prevent such accidents from being repeated, the following actions have been conducted:

Careful design of pool structures and taking into account SCC and selecting resistant grades of stainless steel.

Reduce the amount of organically generated contaminations by forcing inhibitors to take pre-wash shower.

Monitor the chemical balance of the atmosphere.

Provide good ventilation and air circulation in the enclosed area.

Clean the roofs supports periodically inspecting them by licensed inspectors and repair them we needed.

Use of other less aggressive materials in pool sterilizing.

结论-Conclusions

Stress Corrosion Cracking (SCC) is caused by the combined effect of chemically aggressive environments and tensile stresses acting on pits or cavitations, initiating a crack that eventually develops and become bigger until reaching failure. In order to prevent such failures from occurring; good coating, smooth surface finish and periodic microscopic inspection must be made.

Accelerated Low Water corrosion (ALWC) occurs in environments rich with sulfides, here, microbial creatures produce after several stages H2SO4 that creates an electrolytic cell extracting material from it thus reducing its concentration along with the corrosion caused by water and air in the form of rust. Best way to protect structures against such threat is by cathodic protection and covering the material.

Crevice corrosion occurs where two materials meet, it forms cathode-anode cell which leads to a corrosive interaction between them. It usually occurs in crevices, tiny hole and cracks. It can be protected against using the methods discussed earlier.

Failures caused by corrosion are sudden and fatal, the best way to protect human from them is by continuous maintenance and inspection.



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