Hot Compression Test of Heat Resistant Steel

• Authors: A. Fedoriková , T. Kvačkaj , R. Kočiško , R. Bidulský , P. Petroušek
• Languages of publication: EN

Abstracts

EN

This article deals with the analysis of formability of heat resistant steel type 9Cr-1Mo by physical laboratory simulation - hot compression test. The 9Cr-1Mo steel belongs to modern 9%Cr tempered martensitic steel for high-temperature applications in advanced thermal power plants. The shape of the sample was defined based on numerical simulations. The laboratory simulation of forming process called physical simulation - specifically hot compression test was realized in the temperature range from 500 to 950°C and total deformation in the range from 39 to 52%. Cracks formed during hot compression test in the notches are assessed. Subsequently, the relation between the compression temperature, strain, and crack length was defined. The suitable workability corresponds to the temperature range 650-900°C, it agrees with results of numerical simulations. At a temperature of 900°C there is marginal relative deformation without rupture ε =39.9%, which corresponds to the value according to simulations NCL criteria 0.501.

Keywords

EN

81.05.Bx; 81.40.Gh; 81.40.Np; 02.70.Dh

Discipline

• 02.70.Dh: Finite-element and Galerkin methods
• 81.05.Bx: Metals, semimetals, and alloys
• 81.40.Np: Fatigue, corrosion fatigue, embrittlement, cracking, fracture, and failure(see also 62.20.M- Structural failure of materials)
• 81.40.Gh: Other heat and thermomechanical treatments

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2017
• Volume: 131
• Issue: 5
• Pages: 1340-1343

Dates

published

2017-05

Contributors

author

A. Fedoriková

• Institute of Materials, Faculty of Metallurgy, Technical University of Košice, Letná 9, 042 00 Košice, Slovakia

author

T. Kvačkaj

• Institute of Materials, Faculty of Metallurgy, Technical University of Košice, Letná 9, 042 00 Košice, Slovakia

author

R. Kočiško

• Institute of Materials, Faculty of Metallurgy, Technical University of Košice, Letná 9, 042 00 Košice, Slovakia

author

R. Bidulský

• Institute of Materials, Faculty of Metallurgy, Technical University of Košice, Letná 9, 042 00 Košice, Slovakia

author

P. Petroušek

• Institute of Materials, Faculty of Metallurgy, Technical University of Košice, Letná 9, 042 00 Košice, Slovakia

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Identifiers

DOI

10.12693/APhysPolA.131.1340