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Updated: May 23, 2025

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揭示了氧化物在耐热合金中分裂的原子化机制

Congcong Li1,2, Wenjin Zheng3, Haonan Zhong1

  • 1State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing, PR China.

Nature communications
|March 7, 2025
PubMed
概括

微量硫杂质通过形成薄弱的接口层,导致高温合金中的氧化物尺度分裂. 微合金成功地防止了这种故障,提高了材料的耐用性.

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Unsoundness in aggregates due to volume changes is primarily caused by the physical alterations aggregates undergo, such as freezing and thawing, thermal changes, and wetting and drying. Unsound aggregates, when subjected to these changes, result in volume change upon disintegration. This, in turn, contributes to the deterioration of concrete, including scaling, pop-outs, and cracking. Particular types of aggregates, such as porous flints, cherts, and those containing clay minerals, are...
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