Gradient Microstructure Design in Stainless Steel: A Strategy for Uniting Strength-Ductility Synergy and Corrosion Resistance

He, Qiong; Wei, Wei; Wang, Mingsai; Guo, Fengjiao; Zhai, Yuling; Wang, Yanfei; Huang, Chongxiang

doi:10.3390/nano11092356

Cited by 13 publications

(2 citation statements)

References 52 publications

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“…), crystalline heterogeneity (orientation, size, etc), or compositional heterogeneity (metals, polymers, ceramics, etc) [21][22][23][24][25]. As a result, these heterostructures commonly present multiproperty features, including excellent biocompatibility, antibacterial, biodegradability, magnetostriction, mechanical properties and other functionalities, etc [26][27][28][29][30], pushing their applications not only in aerospace, energy storage and precision electronics, but also in biomedical therapy as bioimplants (teeth, bones, tissue vessels and others) [31][32][33][34]. Wang et al [35] used hydrothermal method to synthesize dense SrTiO 3 -TiO 2 (nanoparticle-nanotube) heterostructured coating on Tisubstrate.…”

Section: Introductionmentioning

confidence: 99%

Additive manufacturing of promising heterostructure for biomedical applications

Shuai

Xiong

et al. 2023

Int. J. Extrem. Manuf.

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As a new generation of materials/structures, heterostructure is characterized by heterogeneous zones with dramatically different mechanical, physical or chemical properties. This endows heterostructure with unique interfaces, robust architectures, and synergistic effects, making it a promising option as advanced biomaterials for the highly variable anatomy and complex functionalities of individual patients. However, the main challenges of developing heterostructure lie in the control of crystal/phase evolution and the distribution/fraction of components and structures. In recent years, additive manufacturing techniques have attracted increasing attention in developing heterostructure due to the unique flexibility in tailored structures and synthetic multimaterials. This review focuses on the additive manufacturing of heterostructure for biomedical applications. The structural features and functional mechanisms of heterostructure are summarized. The typical material systems of heterostructure, mainly including metals, polymers, ceramics, and their composites, are presented. And the resulting synergistic effects on multiple properties are also systematically discussed in terms of mechanical, biocompatible, biodegradable, antibacterial, biosensitive and magnetostrictive properties. Next, this work outlines the research progress of additive manufacturing employed in developing heterostructure from the aspects of advantages, processes, properties, and applications. This review also highlights the prospective utilization of heterostructure in biomedical fields, with particular attention to bioscaffolds, vasculatures, biosensors and biodetections. Finally, future research directions and breakthroughs of heterostructure are prospected with focus on their more prospective applications in infection prevention and drug delivery.

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Section: Introductionmentioning

confidence: 99%

Additive manufacturing of promising heterostructure for biomedical applications

Shuai

Xiong

et al. 2023

Int. J. Extrem. Manuf.

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“…Austenitic stainless steel has high strength, positive heat resistance, corrosion resistance, and other properties, and is widely used in aerospace, automobile parts, medical instruments, and furniture decoration industries. [1][2][3] With the rapid development of the processing industry, the requirement for the processing accuracy of austenitic stainless steel is also constantly improving. However, although the traditional mechanical polishing is widely used and flexible in processing methods, it is difficult to process irregular workpieces, and the processing efficiency is relatively low.…”

Section: Introductionmentioning

confidence: 99%

Parameters optimization of electrolytic plasma polishing of austenitic stainless steel and surface performance analysis

Liu,

Li,

Zhang

2023

Proceedings of the Institution of Mechanical Engineers, Part C:

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Electrolytic plasma polishing is a new type of surface finishing technology, widely used for high-quality polishing of metals and alloys due to its excellent processability. In this paper, the austenitic stainless steel (302) is the processing material, and the electrolyte temperature, electrolyte concentration, voltage, and polishing time are used as influencing factors. The surface roughness of the material is used as the evaluation index for electrolytic plasma polishing experiments. The orthogonal experimental group is designed to obtain the best process parameters of electrolytic plasma polishing through range analysis, and the influence laws of various factors on surface roughness is studied. The property of the polished sample from the aspects of surface morphology, elemental composition, X-ray diffraction analysis, hardness changes, and corrosion resistance are characterized. The experimental results show that the surface profile of the polished sample has better consistency, and overall it is flat and smooth, with the original scratches are completely removed. The surface roughness is significantly reduced from the initial 0.3–0.076 μm. The content of Cr element has increased to a certain extent, while the content of Fe element has decreased, and surface impurities have been removed. There is no phase transition on the surface of the sample, the diffraction peak intensity significantly increases, the half width prominently decreases, the crystalline grain size increases, and the surface hardness decreases. During electrochemical test, the self-corrosion potential increases, the self-corrosion current density decreases, and the corrosion resistance of the sample surface increases.

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Heterostructured Metallic Structural Materials: Research Methods, Properties, and Future Perspectives

Dong,

Gao,

Xiao

et al. 2024

Adv Funct Materials

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Heterostructured (HS) materials, characterized by heterogeneous zones with differences in mechanical or physical properties, represent a revolutionary advancement in material science. During deformation, hetero‐deformation‐induced (HDI) stress forms due to the synergistic interactions between soft and hard zones, leading to remarkable HDI strengthening and strain hardening. This mechanism significantly enhances their performance, surpassing that of traditional homogeneous materials. This review delves into the classification, preparation techniques, fundamental deformation mechanisms, and research methods of HS materials. It outlines the preparation methods of various HS materials, emphasizing their unique characteristics and applications. The review elaborates on the fundamental deformation mechanisms of HS materials, focusing on non‐uniform plastic deformation behavior and HDI strain hardening. Furthermore, it explores the application of heterogeneous design concepts in materials, analyzing their microstructure tuning mechanisms and mechanical properties. This review aims to serve as a critical reference for the future design and development of new HS metallic structural materials, paving the way for innovations that can transform multiple industries. By highlighting the long‐term impact, this review not only enhances the understanding of HS materials but also provides a roadmap for future research and industrial applications, positioning HS materials as key players in the advancement of material technology.

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Gradient Microstructure Design in Stainless Steel: A Strategy for Uniting Strength-Ductility Synergy and Corrosion Resistance

Cited by 13 publications

References 52 publications

Additive manufacturing of promising heterostructure for biomedical applications

Additive manufacturing of promising heterostructure for biomedical applications

Parameters optimization of electrolytic plasma polishing of austenitic stainless steel and surface performance analysis

Heterostructured Metallic Structural Materials: Research Methods, Properties, and Future Perspectives

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