how to save a wet mobile phone - and what not to do when your phone does a tom daley and somersaults into the bath you 39;ll need a solution fast. keep these tips in mind for when it happens.
corrosion is a natural process that converts a refined metal into a more chemically-stable form such as oxide hydroxide or sulfide.it is the gradual destruction of materials (usually metals) by chemical and/or electrochemical reaction with their environment. corrosion engineering is the field dedicated to controlling and preventing corrosion.. in the most common use of the word this means
corrosion is the deterioration of a metal as a result of chemical reactions between it and the surrounding environment. both the type of metal and the environmental conditions particularly gasses that are in contact with the metal determine the form and rate of deterioration.
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a major problem in process industry is corrosion of metals in pipes valves and other parts of the constructions. acceptable combinations of more or less aggressive fluids and commonly used materials are indicated below.
there are several different corrosion-resistant metals available to choose from each with their own advantages and disadvantages for a particular application. here 39;s a handy guide to corrosion-resistant metals including the applications where each is appropriate how they are used and their relative cost.
copper oxidizes over time to form a green patina which actually protects the metal from further corrosion. bronze is a mixture of copper and tin along with small amounts of other elements and is naturally much more resistant to corrosion than copper. brass is an alloy of copper zinc and other elements which also resists corrosion.
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