Metal–Metal Bonding Process Research Based on Xgboost Machine Learning Algorithm

Conventionally, the optimization of bonding process parameters requires multi-parameter repetitive experiments, the processing of data, and the characterization of complex relationships between process parameters, and performance must be achieved with the help of new technologies. This work focused...

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Vydáno v:Polymers Ročník 15; číslo 20; s. 4085
Hlavní autoři: Feng, Jingpeng, Zhan, Lihua, Ma, Bolin, Zhou, Hao, Xiong, Bang, Guo, Jinzhan, Xia, Yunni, Hui, Shengmeng
Médium: Journal Article
Jazyk:angličtina
Vydáno: Basel MDPI AG 14.10.2023
MDPI
Témata:
Adhesive bonding
Algorithms
Analysis
Curing
Experimental methods
Finite element method
Interfacial bonding
Machine learning
Mathematical models
Metal bonding
Metal-metal bonding
Methods
New technology
Optimization
Process parameters
Research methodology
Shear strength
Thickness
China
ISSN:2073-4360, 2073-4360
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Shrnutí:Conventionally, the optimization of bonding process parameters requires multi-parameter repetitive experiments, the processing of data, and the characterization of complex relationships between process parameters, and performance must be achieved with the help of new technologies. This work focused on improving metal–metal bonding performance by applying SLJ experiments, finite element models (FEMs), and the Xgboost machine learning (ML) algorithm. The importance ranking of process parameters on tensile–shear strength (TSS) was evaluated with the interpretation toolkit SHAP (Shapley additive explanations) and it optimized reasonable bonding process parameters. The validity of the FEM was verified using SLJ experiments. The Xgboost models with 70 runs can achieve better prediction results. According to the degree of influence, the process parameters affecting the TSS ranked from high to low are roughness, adhesive layer thickness, and lap length, and the corresponding optimized values were 0.89 μm, 0.1 mm, and 27 mm, respectively. The experimentally measured TSS values increased by 14% from the optimized process parameters via the Xgboost model. ML methods provide a more accurate and intuitive understanding of process parameters on TSS.
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ISSN:2073-4360
2073-4360
DOI:10.3390/polym15204085