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Bonding mechanism between the AlN ceramic matrix and the copper-based metal cladding layer

Song Wang

Song Wang

State Power Investment Group Yunnan International Power Investment Co., LtdKunming, China
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Wang, Song
, 
Hao Lu

Hao Lu

School of Electrical Engineering, Xinjiang UniversityUrumqi, China
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Lu, Hao
, 
Fengyuan Shu

Fengyuan Shu

School of Chemical Engineering and Technology, Sun Yat sen UniversityZhuhai, China
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Shu, Fengyuan
, 
Xin Zhang

Xin Zhang

New Energy Technology Research Institute, State Power Investment Corporation Science and Technology Research InstituteBeijing, China
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Zhang, Xin
 and 
Guibian Li

Guibian Li

Shanxi Fenglei Drilling Tools Co. Ltd.Houma, China
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Li, Guibian
  
Mar 15, 2025
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Article Category: Research Article
Published Online: Mar 15, 2025
Page range: 42 - 50
Received: May 06, 2024
Accepted: Feb 09, 2025
DOI: https://doi.org/10.2478/msp-2025-0004
Keywords
© 2025 Song Wang, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Morphology and phase composition of the clad powder. (a) Morphology of the clad powder before and after ball milling and (b) XRD phase analysis of the ball-milled Cu–Ti powder.
Morphology and phase composition of the clad powder. (a) Morphology of the clad powder before and after ball milling and (b) XRD phase analysis of the ball-milled Cu–Ti powder.

Figure 2

Laser cladding test equipment. Photograph (a) and schematic diagram (b).
Laser cladding test equipment. Photograph (a) and schematic diagram (b).

Figure 3

Brazing and cladding test equipment (a) and brazing thermal evolution process (b).
Brazing and cladding test equipment (a) and brazing thermal evolution process (b).

Figure 4

Macromorphology of Cu cladding coated by (a) brazing and (b) laser [12].
Macromorphology of Cu cladding coated by (a) brazing and (b) laser [12].

Figure 5

Microstructure of Cu cladding coated by (a) brazing and (b) laser.
Microstructure of Cu cladding coated by (a) brazing and (b) laser.

Figure 6

Scanning results of the interface points of brazing between the ceramic and Cu cladding.
Scanning results of the interface points of brazing between the ceramic and Cu cladding.

Figure 7

Schematic diagram of the metallurgical reaction in the brazing transition layer.
Schematic diagram of the metallurgical reaction in the brazing transition layer.

Figure 8

Ti–Cu binary phase diagram [13].
Ti–Cu binary phase diagram [13].

Figure 9

Ti–Al binary phase diagram [13].
Ti–Al binary phase diagram [13].

Figure 10

Phase analysis of Cu-coated metal layers on the ceramic surface under the atmosphere of Ar.
Phase analysis of Cu-coated metal layers on the ceramic surface under the atmosphere of Ar.

Figure 11

Scanning path of interface between the ceramic and Cu-coated layers by laser welding.
Scanning path of interface between the ceramic and Cu-coated layers by laser welding.

Figure 12

Metallurgical reaction diagram of the transition layer by laser cladding.
Metallurgical reaction diagram of the transition layer by laser cladding.

Laser cladding process parameters_

Laser parameter Value
Electric current 200 A
Pulse width 2.0 ms
Laser frequency 4 Hz
Scanning speed 355 mm/min
Language:
English
Publication timeframe:
4 times per year
Journal Subjects:
Materials Sciences, Materials Sciences, other, Nanomaterials, Functional and Smart Materials, Materials Characterization and Properties
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