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All Journal Vokasi UNESA Bulletin of Engineering, Technology and Applied Science
Mustafa M. Mansour
Department of Mechanical Engineering, College of Engineering, University of Thi-Qar, Thi-Qar, 64001, Iraq
Computer Science & IT Engineering Mechanical Engineering Transportation

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Exploring the Role of AI and IoT in Production Efficiency, Quality, and Sustainability in Manufacturing Mustafa M. Mansour; Alaa M. Lafta; Azhar Mansoor Salman; Haider Sami Salman
Vokasi UNESA Bulletin of Engineering, Technology and Applied Science Vol. 2 No. 2 (2025)
Publisher : Universitas Negeri Surabaya or The State University of Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/vubeta.v2i2.38200

Abstract

This study explores the findings obtained through these research objectives, which will pave new agendas towards the medium-range economy renaissance, resilient digital ecosystems, and human-centered integrated intelligence. More in-depth exploration of the goal-specific research objectives awaits the research report. The main research gap and questions – and concomitant research approach, paradigm, and methodologies – framing the subsequent sections of the paper are substantiated by these objectives' delineation from the research questions. Practical implications and directions for prospective areas of techno-social innovation studies, building upon the findings, are outlined to conclude the paper. The aims, once accomplished, offer a symbiotic relationship with the research questions that catalyze interest in a domain that has hitherto been neglected mainly in Industry 4.0 literature. These aims become the guiding lights surmounting the destination of AIoT as a subversive innovation in developing and deploying discrete, reconfigurable, and near-continuous Industry 4.0 auxiliary open smart manufacturing.
Analyzing Thermodynamic Modeling and Phase Stability in Ultra-High-Temperature Ceramics for Space Exploration: A Review Hayder Abdulhasan Lafta; Mustafa M. Mansour; Alaa M. Lafta
Vokasi UNESA Bulletin of Engineering, Technology and Applied Science Vol. 3 No. 3 (2026): (In Progress)
Publisher : Universitas Negeri Surabaya or The State University of Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/vubeta.v3i3.52866

Abstract

This review aims to comprehensively evaluate the thermodynamic properties and phase stability of ultra-high-temperature ceramics (UHTCs) using the CALPHAD (CALculation of PHAse Diagrams) approach. UHTCs exhibit exceptional properties, including high melting points, superior hardness, and thermal shock resistance, making them promising materials for aerospace applications and high-temperature scientific instrumentation. The study focuses on phase equilibria in binary systems, including Zr–B, Hf–B, Ta–B, Mo–B, Zr–C, Hf–C, Ta–C, and Mo–C, as well as multicomponent Zr–Hf–(Ta,Mo)–C systems. Despite their technological importance, comprehensive thermodynamic assessments remain limited, particularly due to insufficient experimental data and incomplete coverage in existing thermodynamic databases. The primary objective is to assess thermodynamic properties, including Gibbs energy of formation, enthalpy of formation, heat capacity, and phase stability, through computational thermodynamic modeling. The CALPHAD methodology is employed to calculate component activities, construct phase diagrams, and map phase equilibria across different compositions and temperatures. Temperature-dependent Gibbs energy functions are used to predict equilibrium phase relationships, phase transformations, and critical equilibrium points. The analysis integrates available experimental information with computational models to establish consistent thermodynamic descriptions of relevant ceramic systems. Furthermore, the review identifies knowledge gaps and highlights the need for additional experimental investigations to improve thermodynamic databases and validate predicted phase equilibria. Ultimately, this assessment provides a theoretical foundation for optimizing UHTC compositions, understanding high-temperature phase behavior, and supporting the development of advanced ceramic materials with enhanced thermal and mechanical performance for extreme operating environments, particularly in aerospace engineering.
Co-Authors Alaa M. Lafta Alaa M. Lafta Azhar Mansoor Salman Haider Sami Salman Hayder Abdulhasan Lafta