Process parameter optimization of 1725/WC composite coating on cast iron surface by laser cladding

Yang Haili; Zhou Haikuan; Zhang Kaiyi

doi:10.7513/j.issn.1004-7638.2022.01.023

Volume 43 Issue 1

Mar. 2022

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Yang Haili, Zhou Haikuan, Zhang Kaiyi. Process parameter optimization of 1725/WC composite coating on cast iron surface by laser cladding[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(1): 152-157. doi: 10.7513/j.issn.1004-7638.2022.01.023

Citation:

Yang Haili, Zhou Haikuan, Zhang Kaiyi. Process parameter optimization of 1725/WC composite coating on cast iron surface by laser cladding[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(1): 152-157. doi: 10.7513/j.issn.1004-7638.2022.01.023

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Process parameter optimization of 1725/WC composite coating on cast iron surface by laser cladding

doi: 10.7513/j.issn.1004-7638.2022.01.023

1.
Key Laboratory of the Ministry of Education for Modern Metallurgy Technology, College of Metallurgy and Energy, North China University of Science and Technology, Tangshan 063210, Hebei, China
2.
Tianjin Key Laboratory of High-end Equipment Manufacturing Welding Consumables and Technology Enterprises, Tianjin Yongchang Welding Wire Company Ltd., Tianjin 300300, China

Received Date: 2021-05-31
Available Online: 2022-04-24
Publish Date: 2022-02-28

Abstract

Abstract

1725/WC composite coatings were prepared on the surface of cast iron by laser cladding. The effects of process parameters including laser power, scanning speed and powder feed rate on dilution ratio and hardness of the cladding coating were studied through orthogonal experiments. The results showed that the laser power had the greatest effect on the dilution rate of the cladding layer, followed by powder feeding rate and scanning speed, respectively. And the primary and secondary order sequence of these three factors on the surface microhardness were power feeding rate, laser power and scanning speed. The optimum process parameters were as follows: laser power was 2 000 W, scanning speed was 15 mm/s, powder feed rate was 10 g/min. The 1725/WC composite coating generated under the optimized process had good forming quality and WC had a uniform distribution. The average hardness of the cladding coating was 483.0HV0.2.
- cast iron,
- laser cladding,
- 1725/WC composite coatings,
- dilution ratio,
- hardness

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References(14)

References

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