[Kovove materialy - Metallic materials]
    Tue - November 12, 2024 - 04:09 No. of hits : 1797621 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 53 (2015), Issue 5

Comparative strain analysis of 34CrMo4 steel and Inconel 738LC
STAMBORSKA, M., LOSERTOVÁ, M., KONEČNÁ, K., MAREŠ, V., HORSÁK, L.
vol. 53 (2015), no. 5, pp. 305 - 311
DOI: 10.4149/km_2015_5_305

Abstract
The comparative analysis of mechanical properties using a digital image correlation by Vic 2D software was performed for two types of high-strength materials. The strain analysis during tensile tests was carried out on the cylinder tensile specimens of 34CrMo4 steel and IN 738LC superalloy. Both materials showed similar strength but different ductility. While the 34CrMo4 steel showed typical necking of tensile specimens with ductile fracture surfaces, cracking of the IN 738LC became without necking, and the fracture morphology displayed mixed feature with ductile dimples or quasi-cleavage areas and cracked carbides. Microhardness measurements completed metallographic and fractographic studies of tensile samples.

Key words
34CrMo4, IN 738LC, strain analysis, fracture surface

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
The official abbreviation in accordance with JCR ISI is Kovove Mater.


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