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Influence of Variable Blank Holding Force and Nonmonotonous Process of Deep Drawing on Formability of Coated Sheets (CROSBI ID 164348)

Prilog u časopisu | prethodno priopćenje

Aleksandrović, Srbislav ; Marušić, Vlatko ; Vujinović, Tomislav ; Maglić, Leon Influence of Variable Blank Holding Force and Nonmonotonous Process of Deep Drawing on Formability of Coated Sheets // Strojarstvo : časopis za teoriju i praksu u strojarstvu, 52 (2010), 2; 159-168

Podaci o odgovornosti

Aleksandrović, Srbislav ; Marušić, Vlatko ; Vujinović, Tomislav ; Maglić, Leon

engleski

Influence of Variable Blank Holding Force and Nonmonotonous Process of Deep Drawing on Formability of Coated Sheets

The results of the research of influence of the blank holding force and nonmonotonous process of deep drawing on the formability of low-carbon steel sheet with one-side galvanic coating of zinc are presented in this paper. Indetification and influence assessment was done by monitoring: forming force, the distribution of the principal strains in the sheet plane and their relationship to the forming limit diagram, changes of thinning strain and drawing depth as the most significant tehnological indicator. based on the analysis of test results, it was concluded that the blank holidng force has a significant influence in terms of intensified friction in the flange. Also, in terms of a sinfle-phase monotonous process, the applied type of variable blank holding force had a beneficial effect on the results of forming. A nonmonotonous two-phase process with uniaxial tenison in the first stage greatly affects the behaviour of materials.During the first phase, there is an increase of sheet anisotropy, which affects the formability decrease. The aplied variable holding force shows favourable effects, especially when friction was increased, but they were not dominant.

coated sheets; deep drawing; nonmonotonus forming

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Podaci o izdanju

52 (2)

2010.

159-168

objavljeno

0562-1887

Povezanost rada

Strojarstvo

Poveznice
Indeksiranost