Investigation on Microstructure and Properties of Low‐Carbon Wear‐Resistant Steels with Addition of Cr and Ni,Steel Research International

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Investigation on Microstructure and Properties of Low‐Carbon Wear‐Resistant Steels with Addition of Cr and Ni
Steel Research International ( IF 1.9 ) Pub Date : 2020-03-24 , DOI: 10.1002/srin.201900677
Zishan Yao ₁ , Junyu Tian ₁ , Xin Chen ₁ , Zhirui Wei ₁ , Jun Wang ₁ , Guang Xu ₁

Affiliation

The investigations on wear resistance, mechanical properties, and microstructure of three steels with different additions of chromium (Cr) and nickel (Ni) are conducted. Continuous cooling treatment is conducted to obtain martensitic/bainitic dual‐phase microstructure, and wear behavior is analyzed. The results indicate that Ni addition has no significant influence on the strength, hardness, and elongation but improves the low‐temperature impact toughness and reduces the weight loss due to the decrease in spalling wear. In addition, composite addition of Cr and Ni enhances strength, hardness, and elongation but decreases low‐temperature impact toughness. Although the weight loss of sample with the composite addition of Cr and Ni is small in the early stage of wear, the lower impact toughness results in the increase in chiseling wear, and the wear rate increases in the later stage of wear.

中文翻译：

添加Cr和Ni的低碳耐磨钢的组织和性能研究

进行了三种添加铬（Cr）和镍（Ni）的钢的耐磨性，力学性能和组织的研究。进行连续冷却处理以获得马氏体/贝氏体双相组织，并对磨损行为进行分析。结果表明，添加镍对强度，硬度和伸长率没有显着影响，但由于剥落磨损的减少，提高了低温冲击韧性并减少了重量损失。此外，铬和镍的复合添加可提高强度，硬度和伸长率，但会降低低温冲击韧性。尽管在磨损的早期阶段，添加了Cr和Ni的复合材料的重量损失很小，但是较低的冲击韧性导致凿式磨损的增加，

更新日期：2020-03-24

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