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What theory of failure is used for ductile materials?

Updated: 8/20/2019
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10y ago

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For ductile materials, teh VonMises theory is used; it combines tension and shear stresses in a different way than principal stress, which is used for brittle materials. In either case, its value is compared to the normal (tension/compression) stress allowable for the particular material.

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Q: What theory of failure is used for ductile materials?
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