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Bio-Design and Manufacturing  2020 Vol.3 No.3 P.278~282

10.1631/jzus.2002.0278


Erosion behavior and mechanism of boronised steels


Author(s):  LIU Li, LING Guo-ping, LIU Tao, LI Jian

Affiliation(s):  College of Materials & Chemical Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   metal@cmsce.zju.edu.cn

Key Words:  Boronising of steel, Erosion behavior, Erodent


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LIU Li, LING Guo-ping, LIU Tao, LI Jian. Erosion behavior and mechanism of boronised steels[J]. Journal of Zhejiang University Science D, 2020, 3(3): 278~282.

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Abstract: 
boronising of steels is a hardening process to get high surface hardness. The erosion resistance of boronised steels was researched with the use of four kinds of erodent, i.e. glass, alumina, quartz and silicon carbide. The erosion rate increases rapidly with erodent hardness and severe erosion occurs with high impacting angle range of hard particles. SEM analysis indicated that chipping is caused by repetitive impacting of glass and quartz, whereas by alumina and silicon carbide impacting, chipping, and that plastic flow take place simultaneously and the erosion rate reaches the peak value when the impacting angle is above 60°.

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Reference

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[3] Hutchings, I. M., 1981. A model for the erosion of metals by spherical particles at normal incidence. Wear, 70 (3):269-281.

[4] Levy, A.V., Wang, B., 1987. Erosion of hard material coating systems. Wear of Materials, 12: 477-496

[5] Mann, B.S., 1997. Boronizing of cast martensitic chromium nickel stainless steel and its abrasion and cavitation-erosion behaviour. Wear, 208 (1-2):125-131.

[6] Tsipas, D.N., Triantafyllidis, G.K., Kipkemoi, J. et al., 1999. Thermochemical treatments for protection of steels in chemically aggressive atmospheres at high temperatures. Materials and Manufacturing Processes, 14(5):697-712.

[7] Zhu, W., Mao, Z.Y., 1987. Study of erosion by relatively soft particles. Wear of Materials, 12: 787-796.

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