在纯镍中实现9nm的极限晶粒尺寸结构

中国科学院金属研究所委托检测的纯镍纳米晶样品（编号 009），经专业设备检测与 300 个晶粒统计，平均晶粒尺寸为 9±3 nm，核心尺寸集中于 10 nm 以下。该材料成功实现极限晶粒细化，在十种以上单质金属及合金材料中，满足 10 纳米以下极限晶粒结构要求，具重要科研与应用价值。Pure nickel nanocrystalline sample (No. 009) was commissioned for testing by the Institute of Metal Research, Chinese Academy of Sciences. After characterization using specialized testing equipment and statistical analysis of 300 grains, its average grain size is 9±3 nm, with the dominant grain sizes concentrated below 10 nm. This material has successfully achieved ultimate grain refinement, meeting the requirement of an ultimate grain structure with grain sizes below 10 nm among more than ten elemental metals and alloy materials, and holds significant scientific research and application value.

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背景概述

该数据集聚焦于纯镍纳米晶样品（编号009），平均晶粒尺寸为9±3 nm，核心尺寸在10 nm以下，成功实现极限晶粒细化。在十多种单质金属及合金材料中满足10纳米以下要求，具有重要的科研和应用价值。