The maritime economy, a cornerstone of global trade and economic development, is undergoing rapid transformation driven by technological advancements, sustainability challenges, and evolving regulatory frameworks. This study systematically organizes and analyses 827 scientific articles from the Web of Science, employing a hybrid methodology integrating Social Network Analysis (SNA), the Binary Space Partitioning (BSP) clustering algorithm, and large language models (LLMs) to identify key research themes and emerging trends. Through an iterative "human-in-the-loop" process, we refine the clustering process, resulting in six main clusters and 26 subclusters spanning topics such as governance and strategic management, forecasting and modelling, port operations, digital innovations, sustainability, and risk management. The results reveal a marked shift toward sustainability-oriented and technology-driven research, emphasizing the convergence of environmental responsibility, digital transformation, and operational resilience. The findings also highlight the growing role of autonomous technologies, big data analytics, and blockchain in reshaping maritime systems, while underscoring the need for adaptive governance frameworks and cross-sectoral collaboration. By offering a structured, data-driven overview of the maritime research ecosystem, this study contributes a novel methodological framework for bibliometric exploration and provides actionable insights for scholars, policymakers, and industry stakeholders seeking to advance innovation and sustainability in the maritime domain.
This paper performs a bibliometric and critical review on the topic “corrosion of additively manufactured steel” using RStudio software and its tools. Data for analysis is collected from the Web of Science (WoS) database. The critical review reveals mechanical behavior, corrosion mechanisms, microstructural evolution, and additive manufacturing (AM) process development, highlighting that corrosion performance is strongly influenced by AM process selection, parameter settings, alloying elements, and post-treatment methods, all of which shape microstructure, surface morphology, and passive layer formation. Based on the reviewed literature, AM techniques produce stainless steels with material properties that promote the formation of a passive oxide film significantly thicker, more electrically resistive, and more uniform than in conventionally produced counterparts. Moreover, the repeated heating and cooling cycles in AM suppress chromium-carbide precipitation along twin boundaries, thereby significantly enhancing resistance to intergranular corrosion compared to wrought counterparts. By optimizingAM parameters, it may be possible to refine grain structure, reduce process-induced defects, enhance post-processing efficiency, and stabilize passive films, enabling AM stainless steels to possibly match or even exceed the corrosion resistance of wrought steels, thus accelerating the use of AM stainless steel in marine engineering applications.
This paper aims to examine, systematize, and analyze relevant research on port operators and/or port authorities cooperation, competition, and capacity investment decisions. It also includes papers that model the dynamics of competition and cooperation under various management models using game theory. Our methodology employed a comprehensive search of English-language peer-reviewed journal articles across Web of Science, Scopus, and Google Scholar, which identified 69 peer-reviewed journal articles that were analysed through bibliometric methods to synthesize current trends and evaluate methodological approaches. the findings reveal that Bertrand and Nash models are predominantly employed, with a strong emphasis on inter-port competition, primarily concentrated in Asian and European regions, thus highlighting a regional disparity in the literature. However, there is a notable gap in exploring cooperative strategies and utilizing more complex, dynamic models to better understand port collaboration and evolving competitive dynamics.
Eye-tracking technologies have evolved considerably since their inception, enabling increasingly sophisticated analyses of human visual behavior. These technologies have subsequently been applied to examine the gaze behaviors of maritime professionals. As of 2020, approximately 15 English language research articles focused on eye-tracking applications in maritime contexts; since then,the number has more than doubled, reflecting growing interest in the field. This review examines 37 studies that met predefined eligibility criteria, encompassing a wide range of research themes and diverse eye-tracking metrics. It synthesizes the potential benefits and limitations of eye-tracking in maritime settings, identifies methodological and practical challenges, and highlights notable research gaps. The findings have implications for researchers, informing study design and metric selection; for maritime educators, enhancing training and assessment methods; and for designers of nautical charts, navigational equipment interfaces, and bridge layouts, supporting the development of more effective and user-friendly designs.
This review examines the current landscape of hydrogen production technologies, including thermochemical, electrochemical, and biological methods, highlighting their efficiencies, feedstock requirements, and environmental implications. Furthermore, the paper explores the challenges and advancements in hydrogen storage technologies, primarily on compressed gas, liquefied hydrogen, and solid-state storage. Hydrogen technology across industries, from transportation, to grid energy storage and industrial processes are discussed, with a focus on maritime sector applications, showcasing hydrogen’s versatility and decarbonization potential. Despite its promise, large-scale hydrogen adoption is constrained by high costs, infrastructure limitations, and energy efficiency concerns. This review aims to provide a foundational understanding for researchers and policymakers to support the advancement of hydrogen as a key component in future energy systems.
