Recent progress in gradient-structured metals and alloys
2023年12月1日 · In this review, we systematically discuss the recent advancements in gradient-structured metals and alloys, with a special emphasis on their classification, fabrication techniques, fundamental deformation mechanisms, mechanical properties, corrosion resistance, applications, and prospects.
Additive manufacturing of functional gradient materials: A review …
2024年1月15日 · This paper covers the usual research findings in the creation and analysis of materials containing metal-metal, metal-ceramic, ceramic-ceramic, and metal-organic gradient alloys. Additionally, it presents the results of studies on overcoming common challenges in preparing FGMs, including mismatched thermal and physical properties, creation of ...
Design and Mechanical Properties of Layered Gradient Lattice …
2 天之前 · In this study, two different layered gradient design strategies were proposed, and three lattice structures were designed. Samples with PA2200 nylon as the matrix material were prepared using additive manufacturing technology, and finite element models of the relevant lattice structures were established.
Mechanical properties and deformation mechanisms of gradient ...
2020年7月8日 · These emerging gradient materials often exhibit unprecedented mechanical properties, such as strength–ductility synergy, extraordinary strain hardening, enhanced fracture and fatigue...
A Review on Functionally Gradient Materials (FGMs) and Their ...
2017年9月1日 · This paper presents evolution, current status and challenges of functionally gradient materials (FGMs). Various manufacturing processes of different types of FGMs are also presented. In addition, applications of FGMs in various fields including aerospace, defence, mining, power and tools manufacturing sectors are discussed in detail.
Compositionally graded metals: A new frontier of additive
2014年9月1日 · The research discusses a road map for creating gradient metals using additive manufacturing, demonstrates basic science results obtainable through the methodology, shows examples of prototype gradient hardware, and suggests that Compositionally Graded Metals is an emerging field of metallurgy research.
Use gradient structure to improve the mechanical properties of metal ...
2022年1月5日 · In order to improve the material’s work hardening ability and eliminate the local stress concentration in the nanocrystalline grains, materials scientists have designed a gradient structure, that is, a layer of nanocrystalline is covered on the coarse-grained matrix, and they are filled with transition-sized grains.
Developing Gradient Metal Alloys through Radial Deposition Additive ...
2014年6月19日 · Here, laser deposition (LD) is used to fabricate multifunctional metal alloys that have a strategically graded composition to alter their mechanical and physical properties. Using the...
Extra strengthening and work hardening in gradient ... - Science
2018年11月2日 · The gradient nanotwinned strengthening concept proposed in this work provides insights into combining structural gradients at different length scales in order to push forward the strength limit of materials and may be essential to creating the next generation of metals with both high strength and high ductility.
Mechanics of gradient nanostructured metals - ScienceDirect
2024年8月1日 · The emergence of heterogeneous nanostructured materials (HNMs) offers exciting opportunities to achieve outstanding mechanical properties. Among these materials, gradient nanotwinned (GNT) Cu is a prominent class of HNMs, demonstrating superior strengths by gaining extra strengths compared to non-gradient counterparts.