Micro/nano-structure leads to super strength and excellent plasticity in nanostructured 304 stainless steel

Sheng, Jie; Wei, Jiafu; Li, Zhengning; M, Kun; Chen, Weiqian; Ma, Guohong; Zheng, Yuehong; Zhan, Faqi; La, Peiqing; Zhao, Yuhong; Husain, Abdelrahim

doi:10.1016/j.jmrt.2021.12.117

Cited by 11 publications

(1 citation statement)

References 29 publications

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“…NC metallic biomaterials can be divided into two categories: bioinert NC metallic materials and biodegradable NC metallic materials. Currently, interest in bioinert NC metallic materials include NC pure titanium (Ti) and its alloys [4][5][6], NC SMAs [7], NC SS [8], and NC biodegradable metallic alloys including Fe-based alloys and Mg-based alloys [9]. The nanostructured metallic alloys open new avenues and concepts for medical implants, providing benefits in all areas of medical device technology.…”

Section: Introductionmentioning

confidence: 99%

Recent Progress on Nanocrystalline Metallic Materials for Biomedical Applications

Wang

Wen

2022

Nanomaterials

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Nanocrystalline (NC) metallic materials have better mechanical properties, corrosion behavior and biocompatibility compared with their coarse-grained (CG) counterparts. Recently, nanocrystalline metallic materials are receiving increasing attention for biomedical applications. In this review, we have summarized the mechanical properties, corrosion behavior, biocompatibility, and clinical applications of different types of NC metallic materials. Nanocrystalline materials, such as Ti and Ti alloys, shape memory alloys (SMAs), stainless steels (SS), and biodegradable Fe and Mg alloys prepared by high-pressure torsion, equiangular extrusion techniques, etc., have better mechanical properties, superior corrosion resistance and biocompatibility properties due to their special nanostructures. Moreover, future research directions of NC metallic materials are elaborated. This review can provide guidance and reference for future research on nanocrystalline metallic materials for biomedical applications.

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Section: Introductionmentioning

confidence: 99%

Recent Progress on Nanocrystalline Metallic Materials for Biomedical Applications

Wang

Wen

2022

Nanomaterials

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The Influence of Tempering Parameters on the Microstructure, Mechanical Property, and the Corresponding Strengthening Mechanism of Metastable 301 Austenitic Stainless Steel

Zhao,

Yang,

Tian

et al. 2024

steel research int.

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Metastable austenitic stainless steels (MASS) are widely used in various industrial applications due to their exceptional mechanical properties. The microstructure of MASS can be regulated through severe plastic deformation, heat treatments, and surface treatments to achieve further improvement of mechanical properties. Herein, nanograin and quasiheterostructure are prepared by cold rolling and annealing process in Fe–17Cr–6Ni MASS. The mechanical response, deformation mechanism, and strengthening contribution of the two steels with representative microstructure are studied. The results indicate that nanograin austenitic steel (803 MPa, 22%) has superior yield strength and similar ductility compared with that of quasiheterostructure steel (600 MPa, 25%). In the nanograin steel, the deformation mechanism is mainly dislocation slip and deformation‐induced martensite transformation, while in quasiheterostructure steel, the deformation twinning is also included for the relative lower stacking fault energy in the coarse grain. The yield strength of nanograin structural steel is about 200 MPa higher than that of quasiheterostructure steel, which can be attributed to the differences in grain refinement strengthening, phase‐transformation strengthening, and precipitation strengthening of Cu particles. The findings presented in this study are informative for modulating MASS properties and ultimately improving the lifespan in a variety of industrial settings.

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Achieving Excellent Strength–Ductility Synergy by Tailoring the Grain Size Distribution in a Metastable Austenitic Stainless Steel

Guo,

Liu,

et al. 2024

steel research int.

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Ultrafine/fine‐grained austenitic stainless steel (ASS) is prepared through severe cold rolling (CR) and subsequent annealing. The microstructure evolution and tensile deformation behavior is investigated, focusing on the influence of grain size distribution on the mechanical properties and strain‐hardening behavior of the ASS. In the results, it is revealed that obvious ultrafine/fine‐grained hierarchical microstructure forms after annealing at 650 °C for 80 and 110 min, respectively. And, the CR‐80 sample with more ultrafine grains (UFGs) (86%) exhibits good combination of strength and ductility. The yield strength (YS), ultimate tensile strength, and total elongation are 954 MPa, 1030 MPa, and 43.4%, respectively. The high YS mainly originates from the retained martensite and grain refinement strengthening, while the ductility enhancement can be attributed to the postponed transformation‐induced plasticity (TRIP) effect, which is a consequence of the significant number fraction of UFGs in the hierarchical microstructure. In this study, a new strategy is provided to solve the strength–ductility tradeoff in TRIP‐assisted metallic materials by tailoring the grain size distribution.

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Micro/nano-structure leads to super strength and excellent plasticity in nanostructured 304 stainless steel

Cited by 11 publications

References 29 publications

Recent Progress on Nanocrystalline Metallic Materials for Biomedical Applications

Recent Progress on Nanocrystalline Metallic Materials for Biomedical Applications

The Influence of Tempering Parameters on the Microstructure, Mechanical Property, and the Corresponding Strengthening Mechanism of Metastable 301 Austenitic Stainless Steel

Achieving Excellent Strength–Ductility Synergy by Tailoring the Grain Size Distribution in a Metastable Austenitic Stainless Steel

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