Researching | Parameter Optimization Design of Laser Cladding Ni35WC11 Coating

Laser & Optoelectronics Progress, Volume. 57, Issue 9, 091406(2020)

Parameter Optimization Design of Laser Cladding Ni35WC11 Coating

Zhenyu Jing and Xinmei Li^*

Author Affiliations

School of Mechanical Engineering, Xinjiang University, Urumqi, Xinjiang 830047, China

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Figures&Tables (15)

References (12)

Paper Information

Figures & Tables(15)

Fig. 1. Ni35WC11 mixed powder

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Fig. 2. Orthogonal cladding layer

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Fig. 3. Influence of factors on cladding layer width

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Fig. 4. Influence of factors on cladding layer height

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Fig. 5. Measurement methods of cladding layer width, height and pool depth

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Fig. 6. Influence of factors on dilution rate of cladding layer

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Fig. 7. Hardness value from cladding layer to substrate

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Fig. 8. Microstructure. (a) Cladding layer; (b) heat affected zone; (c) substrate

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Fig. 9. Electrification curves of cladding layer and substrate

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Table 1. Single factor experimental parameters
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Table 1. Single factor experimental parameters
Sample Laser power /W Feeding rate /(g·s^-1) Scanning speed /(mm·s^-1) Spot diameter /mm
1 900 2 4 2
2 1100 2 4 2
3 1300 2 4 2
4 1500 2 4 2
5 1600 2 4 2
6 1500 1 4 2
7 1500 3 4 2
8 1500 2 3 2
9 1500 2 5 2

Table 2. Level table of experimental factor
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Table 2. Level table of experimental factor
Factor Laserpower /W Feedingrate /(g·s^-1) Scanningspeed /(mm·s^-1)
Level 1 1400 1.8 3.5
Level 2 1500 2.0 4.0
Level 3 1600 2.2 4.5

Table 3. Orthogonal combination and test indicators
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Table 3. Orthogonal combination and test indicators
Sample Factor A Factor B Factor C Width /mm Height /mm Rate of dilution /%
1 1 1 1 3.5 1.7 14
2 1 2 2 3.4 2.1 6
3 1 3 3 3.6 2.3 7
4 2 1 2 3.4 1.6 12
5 2 2 3 3.3 2.2 11
6 2 3 1 4.4 3.3 4
7 3 1 3 3.2 1.4 19
8 3 2 1 4.1 2.9 6
9 3 3 2 3.9 2.7 6

Table 4. Range of widthunit: mm
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Table 4. Range of widthunit: mm
Target Statisticaverage Factor A Factor B Factor C
K₁ 10.5 10.1 12.0
K₂ 11.1 10.8 10.7
K₃ 11.2 11.9 10.1
Width k₁ 3.5 3.4 4.0
k₂ 3.7 3.6 3.6
k₃ 3.7 4.0 3.4
R 0.2 0.6 0.6

Table 5. Range of heightunit: mm
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Table 5. Range of heightunit: mm
Target Statisticaverage Factor A Factor B Factor C
K₁ 6.1 4.7 7.9
K₂ 7.1 7.2 6.4
K₃ 7.0 8.3 5.9
Height k₁ 2.0 1.6 2.6
k₂ 2.4 2.4 2.1
k₃ 2.3 2.8 2.0
R 0.4 1.2 0.6

Table 6. Range of dilution rateunit: %
View table
Table 6. Range of dilution rateunit: %
Target Statisticaverage Factor A Factor B Factor C
K₁ 27.0 45.0 24.0
K₂ 27.0 23.0 24.0
K₃ 31.0 17.0 37.0
Dilutionrate k₁ 9.0 15.0 8.0
k₂ 9.0 7.6 8.0
k₃ 10.3 5.6 12.3
R 1.3 9.4 4.3

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Zhenyu Jing, Xinmei Li. Parameter Optimization Design of Laser Cladding Ni35WC11 Coating[J]. Laser & Optoelectronics Progress, 2020, 57(9): 091406

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Paper Information

Category: Lasers and Laser Optics

Received: Jul. 30, 2019

Accepted: Sep. 27, 2019

Published Online: May. 6, 2020

The Author Email: Li Xinmei (837487013@qq.com)

DOI:10.3788/LOP57.091406

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology