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[74160] Artykuł:

EFFECT OF THE UPSETTING RATIO ON WALL THICKNESS DISTRIBUTION IN LONGITUDINAL SECTION OF HYDROMECHANICALLY BULGED AXISYM METRIC COMPONENTS MADE FROM COPPER TUBES

Czasopismo: 26th International Conference on Metallurgy and Materials   Strony: 478-483
ISBN:  978-80-87294-79-6
Wydawca:  TANGER LTD, KELTICKOVA 62, SLEZSKA, OSTRAVA 710 00, CZECH REPUBLIC
Opublikowano: Maj 2017
Miejsce wydania:  Ostrava
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Do oświadczenia
nr 3
Grupa
przynależności
Dyscyplina
naukowa
Procent
udziału
Liczba
punktów
do oceny pracownika
Liczba
punktów wg
kryteriów ewaluacji
Tomasz Miłek orcid logo WMiBMKatedra Technik Komputerowych i Uzbrojenia**Takzaliczony do "N"Inżynieria mechaniczna10015.0015.00  

Grupa MNiSW:  Materiały z konferencji międzynarodowej (zarejestrowane w Web of Science)
Punkty MNiSW: 15
Klasyfikacja Web of Science: Proceedings Paper


Web of Science Logo Web of Science    
Keywords:

Hydromechanical bulge forming  hydroforming  upsetting ratio  axisymmetric components  all thickness distributions 



Abstract:

The paper presents experimental results that concern hydromechanical bulging of copper axisymmetric components whose relative wall thickness was s(0)/D = 0.045. The investigations aimed to determine the impact of degree of deformation on wall thickness distribution in longitudinal section of hydromechanically bulged axisymmetric components. The degree of deformation of material was defined as relative upsetting ratio Delta l/l(0) (where Delta l - the punch displacement, l(0) - initial length of tube). Changes in the wall thickness distribution in longitudinal sections of hydromechanically bulged copper axisymmetric components with different ratio Delta l/l(0) = 0.054 divided by 0.109 were similar in character. The greatest wall thickening occurred on the radii of body transition to the spherical cup. The wall thinning was found to appear in the caps. The wall thickness in the cylindrical part of the axisymmetric components was compared with the initial thickness of the tube so. The maximum thickening and thinning of the wall were found in the samples with the greatest Delta l/l(0) = 0.109.