Influence of Cooling Rate After Destabilization on Microstructure and Hardness of a High-Cr Cast Iron

被引：0
|
作者：
Le Nue, Charline [1 ]
Gallo, Santiago Corujeira [1 ]
Vahid, Alireza [1 ]
Taherishargh, Mehdi [2 ]
Attar, Hooyar [2 ]
Fabijanic, Daniel [1 ]
Barnett, Matthew [1 ]
机构：
[1] Deakin Univ, Inst Frontier Mat, Waurn Ponds, Vic 3216, Australia
[2] Bradken, 20 McIntosh Dr, Mayfield West, NSW 2304, Australia
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2024年 / 55卷 / 06期
基金：
澳大利亚研究理事会;
关键词：
HIGH-CHROMIUM; ABRASION RESISTANCE; SECONDARY CARBIDES; WEAR-RESISTANCE; TRANSFORMATION; PRECIPITATION; TEMPERATURE; MARTENSITE; TITANIUM;
D O I：
10.1007/s11661-024-07393-w
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study investigates the impact of cooling rate after destabilization at 980 degrees C on the microstructure of 23 wt pct Cr-2.7wt pct C hypoeutectic high-Cr cast iron. Lowering cooling rate intensifies the secondary carbides formation, depleting carbon in austenite. This raises the martensite start temperature and lowers the bulk hardness. We thereby provide evidence explaining the origin of the sensitivity to cooling rate in high-Cr cast irons.
引用
收藏
页码：1722 / 1727
页数：6
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