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An investigation of
Environment-assisted cracking in mild steel, by Justin Opoku and
Christopher C. Chama, Zambia Journal of Science & Technology, Vol.4, no.2,
October 1979, Pg. 45-52.
Mild steel was tested for environment-assisted cracking behaviour in various
environments. The environments were sulphuric acid-nitric acid-water, pure
sodium hydroxide solution and anhydrous liquid ammonia. The specimens tested in
the sulphuric acid-nitric acid-water environment were found to be more
susceptible to cracking. This was probably due to the expected higher hydrogen
concentration in this environment.
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