Publication detail

Určování J-deltaa křivek pomocí miniaturních těles pro tříbodový ohyb

STRATIL, L. HADRABA, H. DLOUHÝ, I.

Original Title

Určování J-deltaa křivek pomocí miniaturních těles pro tříbodový ohyb

English Title

Determination of R-curves from sub-sized three-point-bend geometry

Type

conference paper

Language

Czech

Original Abstract

Submitted article deals with determination of R-curves from sub-sized three-point-bend geometry. R-curves were measured by single and multi-specimen method on KLST samples fabricated from 25 mm sheet of Eurofer97 steel. The applicability of single specimen method for given tested geometry and steel was verified. The curves determined by this are well comparable. However results obtained by single specimen method just from one specimen could be biased by material variability. Measured values are in good agreement with published results. The side-grooved specimens show lower values of J-integral and weaker crack-length effect.

English abstract

Submitted article deals with determination of R-curves from sub-sized three-point-bend geometry. R-curves were measured by single and multi-specimen method on KLST samples fabricated from 25 mm sheet of Eurofer97 steel. The applicability of single specimen method for given tested geometry and steel was verified. The curves determined by this are well comparable. However results obtained by single specimen method just from one specimen could be biased by material variability. Measured values are in good agreement with published results. The side-grooved specimens show lower values of J-integral and weaker crack-length effect.

Keywords

J-deltaa křivka, Eurofer97, metoda jednoho tělesa

Key words in English

R-curve, Eurofer97, single specimen method

Authors

STRATIL, L.; HADRABA, H.; DLOUHÝ, I.

RIV year

2011

Released

1. 12. 2011

Publisher

Ústav fyziky materiálů AV ČR, v.v.i.

Location

Brno

ISBN

978-80-87434-04-8

Book

Víceúrovňový design pokrokových materiálů 2011

Pages from

145

Pages to

154

Pages count

10

BibTex

@inproceedings{BUT75861,
  author="Luděk {Stratil} and Hynek {Hadraba} and Ivo {Dlouhý}",
  title="Určování J-deltaa křivek pomocí miniaturních těles pro tříbodový ohyb",
  booktitle="Víceúrovňový design pokrokových materiálů 2011",
  year="2011",
  pages="145--154",
  publisher="Ústav fyziky materiálů AV ČR, v.v.i.",
  address="Brno",
  isbn="978-80-87434-04-8"
}