Influence of the computational models for the spring-back prediction at stamping

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24210%2F16%3A00000501" target="_blank" >RIV/46747885:24210/16:00000501 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Influence of the computational models for the spring-back prediction at stamping

Original language description

Nowadays are on the sheet stampings posing quite strict claims mainly in light of their strength, surface quality and dimensional accuracy. Stiffness and strength of produced part are essentially influenced by its shape and selection of the material. Design changes at the new types of the car-bodies quite markedly increase the requirements for shape and dimensional accuracy of sheet stampings and it also forces the processors of sheet to implement the newest methods which can fulfill these targets. Achieving the shape and dimensional accuracy of the formed part in bending is closely connected mainly with the material spring-back. However, at the drawing process is material on the drawing edge bended in the first phase and then it is straightened in the second phase. Thus here takes place Bauschinger effect during the material hardening. This paper is focused into the area of utilization mathematical modelling for spring-back prediction at sheet stampings. To evaluate the exercise of the Bauschinger effect influence at spring-back prediction by the mathematical modelling there were selected two anisotropic yield criterions termed as the Hill-48 and Vegter in combination with isotropic and kinematic hardening of formed material. Due to the high magnitude of spring-back, there was for this test chosen stainless material DIN 1.4301 because there was strong presumption to prove the influence of individual computational models on the test results.

Czech name

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Czech description

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Type

D - Article in proceedings

CEP classification

JD - Use of computers, robotics and its application

OECD FORD branch

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Project

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Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2016

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

METAL 2016 - 25th Anniversary International Conference on Metallurgy and Materials, Conference Proceedings

ISBN

978-80-87294-67-3

ISSN

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e-ISSN

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Number of pages

6

Pages from-to

488-493

Publisher name

TANGER Ltd.

Place of publication

Ostrava

Event location

Brno

Event date

Jan 1, 2016

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

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