Fractographic Analysis of Brinar 400 and Brinar 500 Steels in Impact Testing

Properties of low-alloy boron-containing steels Brinar 400 and Brinar 500 in as-delivered and normalized conditions are considered. Charpy tests carried out within temperature ranges of ductile-to-brittle transition were followed by fractographic analysis. The tests were carried out on specimens wit...

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Bibliographic Details
Published in:Scanning 2018-01, Vol.2018 (2018), p.1-17
Main Authors: Białobrzeska, Beata, Jasiński, Robert, Konat, Łukasz
Format: Article
Language:English
Subjects:
Alloys
Boron
Boron steels
Carbon
Ductile-brittle transition
Fractography
Fracture mechanics
Heat
Hot working
Impact strength
Impact tests
Low alloy steels
Manufacturers
Mechanical properties
Metallurgy
Properties (attributes)
Steel
Tensile tests
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Summary:Properties of low-alloy boron-containing steels Brinar 400 and Brinar 500 in as-delivered and normalized conditions are considered. Charpy tests carried out within temperature ranges of ductile-to-brittle transition were followed by fractographic analysis. The tests were carried out on specimens with their axes parallel and perpendicular to hot-working direction, at −40°C, −20°C, 0°C, and +20°C. The determined impact properties of Brinar steels were complemented with fractographic analysis performed with use of a scanning electron microscope. It was found that temperatures of ductile-brittle transition were significantly different for the materials in as-delivered and normalized conditions. In addition the tensile tests were carried out, determining basic strength properties of the analyzed materials.
ISSN:0161-0457
1932-8745
DOI:10.1155/2018/2524735