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Q. Define corrosion-resistant nickel-based alloys?
The corrosion-resistant nickel-based alloys offer a significant improvement in corrosion resistance to sulphuric acid over the 300 series stainless steels. A broader range of concentrations can be handled; however, temperature is still a limiting factor.
A number of corrosion resistant nickel alloys are commercially available. The Iso-Corrosion Charts for several common alloys. Each alloy typically has its own advantages. In selecting a specific alloy for a given service, some in situ corrosion testing is recommended.
Alloy-20 (Carpenter 20Cb3) and Incoloy 825 are two readily available commercial nickel-based alloys that have superior corrosion resistance to a broad range of H2SO4 concentrations. Higher nickel-based alloys, such as Hastelloy B, Hastelloy C / C276 and Hastelloy G, also offer excellent resistance to H2SO4.
What entropy ganeration
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Complete the following problem from the text by Megson. Note that since the answers are given, it is essential that you show and justify all work to receive full credit. Required
in the torsion equation the term j/r is called
Steel Rule: A steel rule is used to measure length. It has two scales - in millimeters and inches. These rules are available in market in discrete lengths such as 15, 30, 60 cms.
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