) pitting attack.. the presence of delta ferrite is a function of the chemical composition of the steel and the cooling rate of the molten weld puddle through solidification. it is a magnetic constituent in the steel microstructure and is more sensitive to corrosive attack in reducing environments with...
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ammonia to form nitrogen. however it is not possible to use ammonia directly as it is too volatile and is poisonous. instead a solution of urea in water is injected into the hot gases emerging from the engine in the exhaust. urea is thermally decomposed to ammonia and carbon dioxide. this is the reverse...
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aluminium everyday life aluminium and health innovation in aluminium facts about aluminium our approach environment and climate local communities business integrity and responsible sourcing occupational health and safety our performance early careers experienced professionals who we are why hydro work with...
aluminium everyday life aluminium and health innovation in aluminium facts about aluminium our approach environment and climate local communities business integrity and responsible sourcing occupational health and safety our performance early careers experienced professionals who we are why hydro work with...