Application of machine learning for predicting the incubation period of water droplet erosion in metals
Abstract Water droplet erosion (WDE) is a critical degradation phenomenon that significantly affects component lifespan and performance in power generation, aerospace, and wind energy industries. The incubation period—the initial phase before visible material loss occurs—is particularly crucial for...
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Springer
2025-07-01
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| Series: | Discover Applied Sciences |
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| Online Access: | https://doi.org/10.1007/s42452-025-07268-8 |
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| author | Khaled AlHammad Mamoun Medraj Moussa Tembely |
| author_facet | Khaled AlHammad Mamoun Medraj Moussa Tembely |
| author_sort | Khaled AlHammad |
| collection | DOAJ |
| description | Abstract Water droplet erosion (WDE) is a critical degradation phenomenon that significantly affects component lifespan and performance in power generation, aerospace, and wind energy industries. The incubation period—the initial phase before visible material loss occurs—is particularly crucial for maintenance planning and material selection yet remains challenging to predict accurately due to the complex interplay of material properties and impact conditions. Traditional empirical models have shown limited predictive capability due to their reliance on numerous adjustable parameters with insufficient physical interpretation. This study aimed to develop and validate a machine learning (ML) approach for accurately predicting the WDE incubation period across different metallic materials and impact conditions. The performance of various ML algorithms is evaluated while investigating the effect of data transformation techniques on prediction accuracy. A range of ML models—linear regression (LR), decision tree regressor (DT), random forest regressor (RF), gradient boosting regressor (GBR), and artificial neural networks (ANN)—were trained and validated using experimental data from five different alloys under various impact conditions. Data transformation methods significantly enhanced model performance, with the LR model using Box-Cox transformation achieving the highest accuracy (R2 > 90%, low MAE), followed by the ANN model with Yeo-Johnson transformation (R2 > 85%). Feature importance analysis through SHAP values revealed that impact velocity and surface hardness were the most influential factors affecting incubation period, providing valuable physical insights into the erosion mechanism. Hyperparameter optimization techniques showed minimal improvement in model performance, suggesting that the transformations effectively captured the underlying relationships in the data. This research represents the first comprehensive application of ML techniques to WDE incubation period prediction, establishing a methodological framework that integrates experimental data, statistical analysis, and advanced ML algorithms. Unlike previous approaches, our methodology (1) systematically evaluates multiple ML algorithms and transformation techniques for WDE prediction, (2) provides quantitative assessment of feature importance that aligns with physical understanding of erosion mechanisms, (3) demonstrates superior predictive accuracy compared to traditional empirical models, and (4) offers a generalizable approach applicable across different metallic materials and impact conditions. This work bridges the gap between data-driven modeling and physical understanding of WDE, providing a valuable tool for engineers to optimize material selection and maintenance strategies in erosion-prone applications. |
| format | Article |
| id | doaj-art-c452ba00bc4a417ab8b8450be2e2fa07 |
| institution | Kabale University |
| issn | 3004-9261 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Springer |
| record_format | Article |
| series | Discover Applied Sciences |
| spelling | doaj-art-c452ba00bc4a417ab8b8450be2e2fa072025-08-20T03:37:40ZengSpringerDiscover Applied Sciences3004-92612025-07-017712610.1007/s42452-025-07268-8Application of machine learning for predicting the incubation period of water droplet erosion in metalsKhaled AlHammad0Mamoun Medraj1Moussa Tembely2Department of Mechanical, Industrial and Aerospace Engineering, Concordia UniversityDepartment of Mechanical, Industrial and Aerospace Engineering, Concordia UniversityDepartment of Mechanical, Industrial and Aerospace Engineering, Concordia UniversityAbstract Water droplet erosion (WDE) is a critical degradation phenomenon that significantly affects component lifespan and performance in power generation, aerospace, and wind energy industries. The incubation period—the initial phase before visible material loss occurs—is particularly crucial for maintenance planning and material selection yet remains challenging to predict accurately due to the complex interplay of material properties and impact conditions. Traditional empirical models have shown limited predictive capability due to their reliance on numerous adjustable parameters with insufficient physical interpretation. This study aimed to develop and validate a machine learning (ML) approach for accurately predicting the WDE incubation period across different metallic materials and impact conditions. The performance of various ML algorithms is evaluated while investigating the effect of data transformation techniques on prediction accuracy. A range of ML models—linear regression (LR), decision tree regressor (DT), random forest regressor (RF), gradient boosting regressor (GBR), and artificial neural networks (ANN)—were trained and validated using experimental data from five different alloys under various impact conditions. Data transformation methods significantly enhanced model performance, with the LR model using Box-Cox transformation achieving the highest accuracy (R2 > 90%, low MAE), followed by the ANN model with Yeo-Johnson transformation (R2 > 85%). Feature importance analysis through SHAP values revealed that impact velocity and surface hardness were the most influential factors affecting incubation period, providing valuable physical insights into the erosion mechanism. Hyperparameter optimization techniques showed minimal improvement in model performance, suggesting that the transformations effectively captured the underlying relationships in the data. This research represents the first comprehensive application of ML techniques to WDE incubation period prediction, establishing a methodological framework that integrates experimental data, statistical analysis, and advanced ML algorithms. Unlike previous approaches, our methodology (1) systematically evaluates multiple ML algorithms and transformation techniques for WDE prediction, (2) provides quantitative assessment of feature importance that aligns with physical understanding of erosion mechanisms, (3) demonstrates superior predictive accuracy compared to traditional empirical models, and (4) offers a generalizable approach applicable across different metallic materials and impact conditions. This work bridges the gap between data-driven modeling and physical understanding of WDE, providing a valuable tool for engineers to optimize material selection and maintenance strategies in erosion-prone applications.https://doi.org/10.1007/s42452-025-07268-8Water droplet erosionMachine learningIncubation periodPrediction modelsMaterial degradationData transformation |
| spellingShingle | Khaled AlHammad Mamoun Medraj Moussa Tembely Application of machine learning for predicting the incubation period of water droplet erosion in metals Discover Applied Sciences Water droplet erosion Machine learning Incubation period Prediction models Material degradation Data transformation |
| title | Application of machine learning for predicting the incubation period of water droplet erosion in metals |
| title_full | Application of machine learning for predicting the incubation period of water droplet erosion in metals |
| title_fullStr | Application of machine learning for predicting the incubation period of water droplet erosion in metals |
| title_full_unstemmed | Application of machine learning for predicting the incubation period of water droplet erosion in metals |
| title_short | Application of machine learning for predicting the incubation period of water droplet erosion in metals |
| title_sort | application of machine learning for predicting the incubation period of water droplet erosion in metals |
| topic | Water droplet erosion Machine learning Incubation period Prediction models Material degradation Data transformation |
| url | https://doi.org/10.1007/s42452-025-07268-8 |
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