EFFECT OF SAMPLE GEOMETRY ON TENSILE PROPERTIES OF CHROMIUM ALLOYED MIDDLE CARBON STEEL

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23210%2F18%3A43953022" target="_blank" >RIV/49777513:23210/18:43953022 - isvavai.cz</a>

Result on the web

<a href="https://www.metalconference.eu/cz/sbornik-metal-2018/" target="_blank" >https://www.metalconference.eu/cz/sbornik-metal-2018/</a>

DOI - Digital Object Identifier

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Result language

angličtina

Original language name

EFFECT OF SAMPLE GEOMETRY ON TENSILE PROPERTIES OF CHROMIUM ALLOYED MIDDLE CARBON STEEL

Original language description

42SiCr steel is a middle carbon, low alloyed steel with (in wt. %) 0.4C, 1.3Cr, 0.6Mn and 2Si. In this work, the steel was used in hot rolled state, possessing bainite-based microstructure. In development and optimization of heat and thermo-mechanical treatments, small volumes of materials are commonly processed in various simulators or dilatometers. This means that smaller samples for mechanical testing are also necessary and question arise how exactly various sample geometries affects measured mechanical properties, particularly ductility. Four types of samples for tensile test were used for the comparison. Three of them were flat, with various cross sections and active lengths of 15, 20 and 50 mm. The same thickness of 1.2 mm was kept for all three types of flat samples. For a reference, a sample with circular cross section with 5 mm diameter and 25 mm active length was tested as well. Zwick Roell Z250 was used to perform tensile tests, according to ČSN EN ISO 6892-1. Six samples of each dimension were tested and used for calculation of average values of tensile properties. Following intervals of tensile properties were obtained: yield strengths of 721-766 MPa, ultimate tensile strengths of 1205 - 1335 MPa and total elongation of 15-19%. The highest elongation was measured for circular samples, while the highest ultimate tensile strength was achieved in the flat sample with active length of 20 mm.

Czech name

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Czech description

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Type

D - Article in proceedings

CEP classification

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OECD FORD branch

20501 - Materials engineering

Project

<a href="/en/project/LO1502" target="_blank" >LO1502: Development of Regional Technological Institute</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2018

Confidentiality

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

Article name in the collection

Conference Proceedings - METAL 2018 - 27th International Conference on Metallurgy and Materials

ISBN

978-80-87294-84-0

ISSN

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e-ISSN

neuvedeno

Number of pages

5

Pages from-to

761-765

Publisher name

TANGER Ltd., Keltickova 62, 710 00 Ostrava, Czech Republic, EU

Place of publication

Ostrava

Event location

Brno, Czech Republic

Event date

May 23, 2018

Type of event by nationality

EUR - Evropská akce

UT code for WoS article

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