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Superplasticity in Ultrafine-Grained Materials. [PDF]

Reviews on Advanced Materials Science, 2018
Superplasticity refers to the ability of a polycrystalline solid to exhibit a high elongation, of at least 400% or more, when testing in tension. The basic characteristics of superplastic flow are now understood and a theoretical model is available to ...
Kawasaki Megumi, Langdon Terence G.
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Machinability Features of Ti-6Al-4V Alloy with Ultrafine-Grained Structure

Metals, 2023
Titanium alloys are widely used in various industries. The most common and well-known titanium alloy is titanium alloy with aluminum and vanadium (Ti-6Al-4V). This alloy is used, for example, in the manufacture of aircraft engines.
Irina Semenova, Alexander Polyakov, Alfiz Gareev, Vladimir Makarov, Ivan Kazakov, Mikhail Pesin   +5 more
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Influence of grain size on the solid-state direct reduction of polycrystalline iron oxide [PDF]

Communications Materials
Direct reduction of iron oxide using hydrogen offers a sustainable route to lower carbon emissions in steelmaking. Although iron oxide feedstocks consist of polycrystalline pellets, the influence of initial hematite grain size on direct reduction remains
Barak Ratzker, Martina Ruffino, Shiv Shankar, Yan Ma, Dierk Raabe   +4 more
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Ultrafine‐Grained Materials With Antibacterial Properties: A Novel Approach to Reducing Spinal Implant‐Associated Infections [PDF]

JOR Spine
Background Implant‐associated infection remains a serious complication of instrumented spinal surgery. Since biofilm formation on the implant surface is a key factor in the pathogenesis of such infections, current preventive strategies include the use of
Mitsuhiro Nishizawa, Diane Hu, Hassan Serhan, Bahram Saleh, Ralph S. Marcucio, Kazuhito Morioka   +5 more
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Ultrahigh Strength and Exceptional Work Hardening in a Hierarchical‐Structured Alloy via Hetero‐Interface‐Mediated Twinning [PDF]

Advanced Science
Yield strength and work hardening are two critical mechanical properties of metallic structural materials. However, increasing yield strength through conventional strengthening mechanisms often restricts further dislocation multiplications and ...
Yitong Yang, Jingyu Pang, Hongwei Zhang, Jiajia Shen, Zhenqiang Xing, Yuan Sun, Aimin Wang, J. P. Oliveira, Wei Wang, Zengbao Jiao   +9 more
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Ultrafine-Grained Stainless Steels after Severe Plastic Deformation

Metals, 2023
The aim of the present review is to summarize the recent achievements in the development of ultrafine-grained austenitic/ferritic stainless steels processed by large strain deformation.
Pavel Dolzhenko, Marina Tikhonova, Marina Odnobokova, Rustam Kaibyshev, Andrey Belyakov   +4 more
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Current Trends to Obtain Metals and Alloys with Ultrafine-Grained Structure

Успехи физики металлов, 2022
Obtaining materials with improved and properly balanced physical and mechanical properties remains one of the main goals of materials science. At the same time, one of the most promising ways to improve the properties of metallic materials without ...
A. B. Naizabekov, A. S. Kolesnikov, M. A. Latypova, T. D. Fedorova, and A. D. Mamitova
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Mechanical properties of ultra-fine grained strips under ultrasonic vibration extrusion cutting

Journal of Materials Research and Technology, 2023
Ultrafine grained materials often have superior mechanical properties. In order to complement the advantages of other preparation methods of ultrafine materials, a new process of ultrasonic vibration extrusion cutting was proposed to induce severe ...
Zhuangfei Wang, Ying Niu, Jingjing Niu, Feng Jiao   +3 more
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Synthetic-Hydroxyapatite-Based Coatings on the Ultrafine-Grained Titanium and Zirconium Surface

Успехи физики металлов, 2023
The development of biocompatible materials is a multidisciplinary task and requires the interaction of physicists, chemists, biologists, and physicians, since the functional reliability of materials depends on their biochemical, cellular, tissue, and ...
A. T. Turdaliev, M. A. Latypova, and E. N. Reshotkina
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Crystal plasticity simulation of macroscopic yielding behavior of ultrafine-grained aluminum

Nihon Kikai Gakkai ronbunshu, 2016
High-strength, light-weight metal materials are required to improve safety and reduce transportation cost. Ultrafine-grained metals produced by severe plastic deformation have attracted interest as high-strength materials.
Yoshiteru AOYAGI
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