Influence of Charge Materials on the Metallurgical Quality of Gray Cast Iron

被引：1

作者：

Dwulat, R. ^{[1
,2
]}

Janerka, K. ^{[2
]}

Grzesiak, K. ^{[1
]}

Galuszka, M. ^{[2
]}

机构：

[1] Foundry Lisie Katy, Lisie Katy 7, PL-86302 Grudziadz, Poland

[2] Silesian Tech Univ, Dept Foundry Engn, Towarowa 7, PL-44100 Gliwice, Poland

来源：

ARCHIVES OF FOUNDRY ENGINEERING | 2023年 / 23卷 / 02期

关键词：

Gray cast iron; Thermal analysis; Cast iron properties; Charge materials; Cast iron inoculation;

D O I：

10.24425/afe.2023.144297

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The article presents the influence of the percentage share of pig iron and steel scrap on the chemical composition, physicochemical and mechanical properties. Using an induction furnace, 6 melts were carried out with a variable amount of pig iron in the charge from 0 to 50%. For carburizing, a RANCO 9905 carburizer with a carbon content of 99.2% was used. After melting and introducing FeSi75, temperature measurement was carried out and the metal was superheated to 1500 degrees C. The next step was to pour the samples for chemical analysis, DTA (Derivation Thermal Analysis) and strength and hardness from the melting furnace without inoculation. The last step was to carry out the inoculation by introducing 0.3% barium inoculant into the vat and pouring samplers for DTA analysis. The inoculation was carried out solely to determine changes in DTA parameters, mainly Temin, compared to castings without inoculation.

引用

页码：66 / 71

页数：6

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