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Microstructure and properties of silicon alloyed compacted graphite irons (CGI) (CROSBI ID 278859)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Štrkalj, Anita ; Glavaš, Zoran ; Mamuzić, Ilija Microstructure and properties of silicon alloyed compacted graphite irons (CGI) // Metalurgija, 59 (2020), 2; 147-149

Podaci o odgovornosti

Štrkalj, Anita ; Glavaš, Zoran ; Mamuzić, Ilija

engleski

Microstructure and properties of silicon alloyed compacted graphite irons (CGI)

The microstructure, tensile properties and hardness of 25 mm thick compacted graphite iron samples alloyed with 3, 01, 3, 22, 3, 61, 3, 97 and 4, 29 wt. % Si were analyzed in this paper. It was found that Si promotes and strengthens ferrite. Metallic matrix of compacted graphite iron sample alloyed with 3, 01 wt. % Si consisted of 98, 1 % ferrite and 1, 9 % pearlite. Fully ferritic metallic matrix was obtained in compacted graphite iron samples alloyed with 3, 22, 3, 61, 3, 97 and 4, 29 wt. % Si. Nodularity varied from 8 to 13 %. Yield strength increased from 246 to 447 N/mm2, tensile strength increased from 318 to 496 N/mm2, hardness increased from 160 to 227 HBW, and elongation decreased from 3, 6 to 1, 6 % with an increase in Si content from 3, 01 to 4, 29 wt. %. Analyzed Si alloyed compacted graphite iron samples have a very uniform hardness and higher ratio Rp02/Rp02 than conventional ferritic, ferritic-pearlitic and pearlitic compacted graphite iron grades.

compacted graphite iron ; silicon ; microstructure ; tensile properties ; hardness

Glavni autori:. Anita Štrkalj, Zoran Glavaš

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Podaci o izdanju

59 (2)

2020.

147-149

objavljeno

0543-5846

1334-2576

Povezanost rada

Metalurgija

Poveznice
Indeksiranost