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Updated: Nov 18, 2025

Determining the Mechanical Strength of Ultra-Fine-Grained Metals
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Determining the Mechanical Strength of Ultra-Fine-Grained Metals

Published on: November 22, 2021

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高強度と柔らかさのための超細粒度鋼の散発への簡単な経路

Junheng Gao1, Suihe Jiang2, Huairuo Zhang3,4

  • 1Department of Materials Science and Engineering, The University of Sheffield, Sheffield, UK.

Nature
|February 11, 2021
PubMed
まとめ

研究 者 たち は,強度 と 柔らかさ を 向上 さ せる 超 細 粒 の 鋼材 を 大量 に 生産 する 新しい 方法 を 開発 し まし た. この新しいアプローチは,銅の合金と急速なナノプレシピテーションを使用して,材料の特性と工業的な拡張性を改善します.

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Steel manufacturing is a multi-stage process that begins by smelting iron ore into cast iron in a blast furnace. This initial stage involves layering iron ore with coke, a type of fuel, and crushed limestone within the furnace. The coke is ignited with a high volume of air, leading to the creation of carbon monoxide, which acts to reduce the iron ore to pure iron.
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Structural steel products are created within a structural mill. The process begins with a beam blank that is reheated and then fed through a series of rollers. These rollers progressively shape the metal into its final form. Adjusting the spacings between the rollers allows for the production of different sections with the same nominal dimensions.
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