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Engineering, 23.08.2019 01:30 scottcounts757

The strain-hardening behavior of an annealed, low-carbon steel is = if a bar of this metal is initially cold worked some unknown amount. it is then subjected to 20% additional cold work and its yield strength is measured as 80,000 mpa. what was the unknown amount of cold work induced prior to the 20% added cold work?

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