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| Autor principal: | |
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| Format: | Recurso digital |
| Idioma: | anglès |
| Publicat: |
Zenodo
2022
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| Matèries: | |
| Accés en línia: | https://doi.org/10.5281/zenodo.15767620 |
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- <p dir="ltr">Castings are fundamental components across numerous industries, including automotive, aerospace, energy, and heavy machinery, due to their ability to form complex shapes economically. However, the casting process is inherently susceptible to various internal defects such as porosity, shrinkage, inclusions, and cracks, which can significantly compromise the structural integrity, performance, and reliability of the final product. Early and accurate detection and characterization of these internal defects are paramount to ensure product quality, prevent catastrophic failures, reduce manufacturing costs associated with rework or scrap, and enhance overall safety. Non-Destructive Testing (NDT) techniques offer indispensable tools for this purpose, allowing for thorough inspection without damaging the component. This article provides a comprehensive review of the primary NDT techniques employed for identifying and characterizing internal defects in castings, including Radiographic Testing (RT), Ultrasonic Testing (UT), and Acoustic Emission (AE) Testing. It delves into their underlying principles, specific applicability to common casting defects, advantages, limitations, and recent advancements. The discussion emphasizes the critical role of NDT in quality control, process optimization, and the continuous improvement of casting manufacturing.</p> <p> </p>