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9 articles for “Superalloys”
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Characterization of the Impact Strength in Cryogenic Treatment of TIG Welded Nickel-based Superalloy
Abstract: The TIG welding of the IN617 heat and oxidation resistant has been precisely controlled through welding parameters, while γ'-Ni3(Al, Ti) phases predominantly controlled solution strengthening, and precipitation strengthening and carbides in γ matrix, as well as γ' precipitate’s shearing mechanism is prominent to enhance strength of superalloys. The high hardness has been preserved owing to strengthening major elements such as Cr, Co, and Mo etc., and the well coherency maintain …
Published in International Journal of Composite Materials and Matrices · Vol. 9, Issue 2, 2023 · pp. 1–12 Read article
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Advancements and Innovations in Superalloy CoatingTechniques: A Comprehensive Review of ECAP andHigh-Temperature Aluminization
Abstract: Equal Channel Angular Pressing (ECAP) is a pivotal technique within Severe Plastic Deformation (SPD), widely recognized for its exceptional capability to refine grain structures in metals and alloys down to the micro- and nanometer scales. This review offers an in-depth examination of the ECAP process, highlighting its effectiveness in generating ultra-fine grain microstructures that significantly enhance the mechanical properties of materials, such as strength, hardness, and ductility. We provide a …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 2, 2024 · pp. 16–20 Read article
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Advancements in Material Science for Prolonging Service Life in Steam Turbine Components: A Review
Abstract: The longevity and performance of steam turbine components, which are essential assets in the infrastructure for power generation, are being greatly enhanced by advances in material science. This paper examines recent advancements made with the goal of using innovative materials and coatings to increase the longevity and effectiveness of turbine components. This review's scope includes an examination of cutting-edge materials, including composites, high-performance alloys, and ceramics, that are designed to …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 10, Issue 1, 2024 · pp. 23–28 Read article
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Recent Advances in the Development and Performance Optimization of Advanced Metallic Alloys
Abstract: The continuous demand for high-performance materials in aerospace, automotive, energy, and biomedical industries has accelerated research and development in advanced metallic alloys. Metallurgy and alloy design play a crucial role in achieving superior mechanical, thermal, and chemical properties while maintaining cost efficiency and sustainability. This study presents a comprehensive overview of recent advances in metallic alloy development, focusing on novel alloying strategies, microstructural control, and performance optimization techniques. Emphasis is …
Published in International Journal of Metallurgy and Alloys · Vol. 12, Issue 1, 2026 · pp. 1–6 Read article
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Advanced Materials and Protective Coatings for Enhanced Durability in Gas Turbine Engines
Abstract: Abstract Gas turbines are critical in modern power generation and propulsion systems, where high thermal efficiency, performance, and durability are essential. Operating at extreme temperatures and in aggressive chemical environments places significant stress on hot-section components, such as turbine blades, vanes, and combustor liners. To meet these demands, advanced high-temperature materials and protective coatings have been developed to ensure structural integrity, reduce maintenance, and improve operational lifespan. Nickel-based superalloys remain …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 11, Issue 1, 2025 · pp. 1–6 Read article
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Enhancing Machining Sustainability: ComparativeAnalysis of Dry, Minimum Quantity Lubrication, andCryogenic Cooling Methods
Abstract: AbstractSustainable machining is crucial for minimizing the environmental, economic, and social challengesassociated with modern manufacturing. This study reviews environmentally sustainable machiningapproaches including dry machining, Minimum Quantity Lubrication (MQL), and cryogenic cooling,and evaluates their effects on machining performance and sustainability. Key performance indicators,such as surface integrity, tool wear, energy efficiency and cutting forces, are analyzed across variousmaterials. The findings demonstrate that dry machining eliminates liquid waste but is often limited bytool …
Published in International Journal of Manufacturing and Materials Processing · Vol. 11, Issue 1, 2025 · pp. 1–7 Read article
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Advances in Heat Management for High-Efficiency Gas Turbines: Technologies and Applications
Abstract: Abstract Heat management plays a crucial role in enhancing the efficiency and performance of high-efficiency gas turbines. As the demand for cleaner and more energy-efficient power generation increases, optimizing heat management in gas turbines becomes essential. This article explores the latest advancements in heat management technologies for gas turbines, with a focus on their application to improve thermal efficiency, and operational reliability, and reduce emissions. Key techniques, such as advanced …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 10, Issue 2, 2024 · pp. 6–10 Read article
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Design and Optimization of Gas Turbine Blades for High-Temperature Operations
Abstract: Abstract The design and optimization of gas turbine blades for high-temperature operations are critical to enhancing the efficiency and reliability of power generation and propulsion systems. These components operate under extreme conditions of heat, pressure, and mechanical stress, making their performance pivotal to the overall effectiveness of turbines. This study explores the key factors influencing blade performance, emphasizing the importance of material selection, thermal barrier coatings, aerodynamic design, cooling mechanisms, …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 10, Issue 2, 2024 · pp. 22–27 Read article
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Corrosion Resistance in Modern Metallurgical Alloys: Mechanisms & Mitigation Strategies
Abstract: Corrosion resistance in metallurgical alloys is a critical factor in their application across various industries, including aerospace, automotive, marine, and construction. This paper delves into the fundamental mechanisms of corrosion, such as galvanic, pitting, crevice, intergranular, and stress corrosion cracking, which significantly affect the longevity and reliability of alloys. It explores the intrinsic and extrinsic factors influencing corrosion behavior, including alloy composition, microstructure, environmental conditions, and mechanical stresses. Advancements in …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 2, 2023 · pp. 30–34 Read article