## Design of Streamline Dies for Drawing Driven by Fractureстатья

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Дата последнего поиска статьи во внешних источниках: 24 января 2020 г.
• Авторы:
• Журнал: Solid State Phenomena
• Том: 295
• Год издания: 2019
• Первая страница: 85
• Последняя страница: 89
• DOI: 10.4028/www.scientific.net/ssp.295.85
• Аннотация: This paper presents an efficient analytical method for design of streamline dies driven by fracture. The method is based on Bernoulli’s theorem relating pressure and velocity along any streamline extended to ideal flows in plasticity. The Cockroft-Latham criterion is adopted to predict the initiation of ductile fracture. In order to apply the method developed, it is not necessary to know the solution to the boundary value problem of plasticity. The final result is a simple relation between geometric parameters of the process and the constitutive parameter involved in the fracture criterion. Since the latter is supposed to be known for a given material, the relation determines a safe domain for drawing without fracture.
• Добавил в систему: Лямина Елена Алексеевна

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 [1] Alexandrov S., Lyamina E., Date P. P. Design of streamline dies for drawing driven by fracture // Solid State Phenomena. — 2019. — Vol. 295. — P. 85–89. This paper presents an efficient analytical method for design of streamline dies driven by fracture. The method is based on Bernoulli’s theorem relating pressure and velocity along any streamline extended to ideal flows in plasticity. The Cockroft-Latham criterion is adopted to predict the initiation of ductile fracture. In order to apply the method developed, it is not necessary to know the solution to the boundary value problem of plasticity. The final result is a simple relation between geometric parameters of the process and the constitutive parameter involved in the fracture criterion. Since the latter is supposed to be known for a given material, the relation determines a safe domain for drawing without fracture. [ DOI ]