The mechanical properties at room and low temperature of P110 steel characterised by means of small punch test

• Autorzy: Romelczyk-Baishya B. , Lumelskyj D. , Stępniewska M. , Giżyński M. , Pakieła Z.

Identyfikatory

DOI

10.24425/amm.2019.126232

• Języki publikacji: EN

Abstrakty

EN

In this paper small punch test (SPT) which is one of miniaturized samples technique, was employed to characterize the mechanical properties of carbon steel P110. The tests were carried out in the range of -175°C to RT. Results obtained for SPT were compared to those calculated for tensile and Charpy impact test. Based on tensile and SPT parameters numerical model was prepared. 8 mm in diameter and 0.8 mm in height (t) discs with and without notch were employed in this research. The specimens had different depth notch (a) in the range of 0.1 to 0.4 mm. It was estimated that α factor for comparison of Tsp and DBTT for carbon steel P110 is 0.55 and the linear relation is DBTT = 0.55T_SPT. The numerical model fit with force – deflection curve of SPT. If the factor of notch depth and samples thickness is higher than 0.3 the fracture mode is transformed from ductile to brittle at -150°C.

Słowa kluczowe

EN

small punch test; carbon steel P110; small sample; low temperature; mechanical properties

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2019
• Tom: Vol. 64, iss. 1
• Strony: 159--165
• Opis fizyczny: Bibliogr. 19 poz., fot., rys., tab., wzory

Twórcy

autor

Romelczyk-Baishya B.

• Warsaw University of Technology, Faculty of Materials Science and Engineering, 141 Woloska Str, 02-507 Warsaw, Poland

autor

Lumelskyj D.

• Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw, Poland

autor

Stępniewska M.

• Warsaw University of Technology, Faculty of Materials Science and Engineering, 141 Woloska Str, 02-507 Warsaw, Poland

autor

Giżyński M.

• Warsaw University of Technology, Faculty of Materials Science and Engineering, 141 Woloska Str, 02-507 Warsaw, Poland

autor

Pakieła Z.

• Warsaw University of Technology, Faculty of Materials Science and Engineering, 141 Woloska Str, 02-507 Warsaw, Poland

Bibliografia

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Uwagi

EN

1. The work was financed by the National Centre for Research and Development within Blue Gas II Programme, Contract No. BG2/DIOX4SHELL/14

PL

2. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).