Microstructural Insights into Solid Particle Erosion in a High-Chromium Cast Iron

被引：0
|
作者：
Suman, Alessio [1 ]
Fortini, Annalisa [1 ]
Zanini, Nicola [1 ]
机构：
[1] Univ Ferrara, Dept Engn, I-44122 Ferrara, Italy
来源：
METALS | 2025年 / 15卷 / 01期
关键词：
high-chromium cast irons; solid particle erosion; carbide volume fraction; impact velocity; image analysis; erosion rate; WEAR BEHAVIOR; RESISTANCE; VELOCITY; MOLYBDENUM; IMPACT; SIZE;
D O I：
10.3390/met15010006
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Solid particle erosion (SPE) significantly limits the service life of High-Chromium Cast Irons (HCCIs), widely used in power generation and mining industries. This study investigates how microstructural features influence the erosion resistance of a Fe-Cr-C cast iron, focusing on the interplay between particle kinetic energy and carbide features, i.e., carbide volume fraction (CVF). Erosion tests, conducted per ASTM G76 standards, revealed that substrates with similar CVFs exhibited varying damage levels, even at consistent particle kinetic energies. The findings underscored that impact conditions have a greater influence on erosion resistance than CVF alone, emphasizing the critical role of carbide morphology and distribution in mitigating damage. This work provides valuable insights for optimizing HCCIs to enhance material performance and durability in demanding erosive environments by tailoring carbide distribution to specific operational conditions.
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页数：11
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