Detail publikačního výsledku

On the evaluation of strain inhomogeneity by hardness measurement of formed products

PETRUŠKA, J., JANÍČEK, L.

Originální název

On the evaluation of strain inhomogeneity by hardness measurement of formed products

Anglický název

On the evaluation of strain inhomogeneity by hardness measurement of formed products

Druh

Článek recenzovaný mimo WoS a Scopus

Originální abstrakt

Large plastic deformation of cold formed metal is followed by its hardening, which can be experimentally evaluated by measuring hardness. To convert the measured hardness values into strain, the strain–hardness reference curves are used. Their evaluation is traditionally based on compression tests of cylindrical specimens. New procedure of reference curves evaluation is suggested here, based on an FE simulation of a forming process and direct relation of computed strain and measured hardness. The procedure is illustrated on the example of forward extrusion process and reference curves, obtained by classical and newly suggested procedure are compared.

Anglický abstrakt

Large plastic deformation of cold formed metal is followed by its hardening, which can be experimentally evaluated by measuring hardness. To convert the measured hardness values into strain, the strain–hardness reference curves are used. Their evaluation is traditionally based on compression tests of cylindrical specimens. New procedure of reference curves evaluation is suggested here, based on an FE simulation of a forming process and direct relation of computed strain and measured hardness. The procedure is illustrated on the example of forward extrusion process and reference curves, obtained by classical and newly suggested procedure are compared.

Klíčová slova v angličtině

Hardness measurement; Strain distribution; FE simulation; Compression test; Forward extrusion

Autoři

PETRUŠKA, J., JANÍČEK, L.

Vydáno

01.01.2003

ISSN

0924-0136

Periodikum

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY

Svazek

143-144

Číslo

12

Stát

Švýcarská konfederace

Strany od

300

Strany počet

6

BibTex

@article{BUT41838,
  author="Jindřich {Petruška} and Libor {Janíček}",
  title="On the evaluation of strain inhomogeneity by hardness measurement of formed products",
  journal="JOURNAL OF MATERIALS PROCESSING TECHNOLOGY",
  year="2003",
  volume="143-144",
  number="12",
  pages="6",
  issn="0924-0136"
}