Study of the Effect of TiC Content on the Morphology and Mechanical Properties of Laser Cladding Fe-Based Coatings

Cai Cheng; Wenqing Shi; Teng Wu; Shanshan Wang; Ximiao Chen; Wen Peng

doi:10.3788/LOP221359

Laser & Optoelectronics Progress, Volume. 60, Issue 19, 1914004(2023)

Study of the Effect of TiC Content on the Morphology and Mechanical Properties of Laser Cladding Fe-Based Coatings

Cai Cheng¹, Wenqing Shi^1、*, Teng Wu¹, Shanshan Wang¹, Ximiao Chen¹, and Wen Peng²

Author Affiliations

¹College of Electronics and Information Engineering, Guangdong Ocean University, Zhanjiang 524088, Guangdong, China

²Foshan Orthopedic Implant (Stable) Engineering Technology Research Center, Foshan 528051, Guangdong, China

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Figures & Tables(7)

Fig. 1. Scanning electron microscope images of cladding powder. (a) Fe60 powder; (b) TiC ceramic powder

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$Cross-sectional morphology of single-pass cladding layer with different TiC mass fractions. (a) Without TiC; (b) TiC mass fraction is 15%; (c) TiC mass fraction is 30%; (d) TiC mass fraction is 45%$

Fig. 2. Cross-sectional morphology of single-pass cladding layer with different TiC mass fractions. (a) Without TiC; (b) TiC mass fraction is 15%; (c) TiC mass fraction is 30%; (d) TiC mass fraction is 45%

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$Cross-sectional morphology of multi-pass cladding layers with different TiC mass fractions. (a) TiC mass fraction is 15%; (b) TiC mass fraction is 30%; (c) TiC mass fraction is 45%$

Fig. 3. Cross-sectional morphology of multi-pass cladding layers with different TiC mass fractions. (a) TiC mass fraction is 15%; (b) TiC mass fraction is 30%; (c) TiC mass fraction is 45%

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Fig. 4. Distribution of porosity and aspect ratio of cladding layers

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Fig. 5. Microhardness distributions of cladding layers. (a) Average microhardness of single-pass composite coatings; (b) average microhardness of multi-pass laser composite coatings

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Table 1. Chemical composition of 65Mn steel substrate
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Table 1. Chemical composition of 65Mn steel substrate
Material Mass fraction /%
C Mn P S Si N Fe
65Mn ≤0.62 ≤0.9 ≤0.015 ≤0.003 ≤0.23 ≤0.0013 Bal.

Table 2. Chemical composition of Fe60 powder
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Table 2. Chemical composition of Fe60 powder
Material Mass fraction /%
C Si B Cr Ni Fe
Fe60 0.8‒1.2 1.0‒2.0 3.8‒4.2 16‒18 9.0‒12 Bal.

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Cai Cheng, Wenqing Shi, Teng Wu, Shanshan Wang, Ximiao Chen, Wen Peng. Study of the Effect of TiC Content on the Morphology and Mechanical Properties of Laser Cladding Fe-Based Coatings[J]. Laser & Optoelectronics Progress, 2023, 60(19): 1914004

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