page_title: Henri Tresca
section_title: Work on plasticity
hierarchical_section_title: Henri Tresca / Work on plasticity
context_page_description: Henri Édouard Tresca was a French mechanical engineer, and a professor at the Conservatoire National des Arts et Métiers in Paris.
context_section_description: He is the father of the field of plasticity, or non-recoverable deformations, which he explored in an extensive series of experiments begun in 1864. 
  He stated one of the first criterion of material failure, that now brings his name. The criterion specifies that a material would flow plastically if
  Tresca's criterion is one of two main failure criteria used today for ductile materials. The second important criterion is due to Richard von Mises. See comparison on the image left:
caption: Comparison of Tresca and von Mises criteria
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