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金屬玻璃弛豫行為及其機(jī)理的模擬研究進(jìn)展
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國家自然科學(xué)基金項(xiàng)目（面上項(xiàng)目，青年項(xiàng)目）Nos. 52101201 and 51971178, 52271153；陜西省杰出青年自然科學(xué)基礎(chǔ)研究計(jì)劃（No. 2021JC-12）；重慶市自然科學(xué)基金面上項(xiàng)目（No. cstc2021jcyj-msxmX0369）


Relaxation Behavior in Metallic Glasses and Related Mechanisms by Simulation Method: A Brief Review
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National Natural Science Foundation of China (52101201, 51971178, 52271153); Natural Science Basic Research Plan for Distinguished Young Scholars in Shaanxi Province (2021JC-12); Natural Science Foundation of Chongqing (cstc2021jcyj-msxmX0369)

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    摘要:

    金屬玻璃的弛豫動力學(xué)研究非常復(fù)雜，極具挑戰(zhàn)性。弛豫（α弛豫、慢β弛豫和快β弛豫）發(fā)生在不同的溫度下。利用模擬可觀測微觀原子信息的優(yōu)勢，評述了模擬中3種典型弛豫的特征和機(jī)理，并討論了它們對材料力學(xué)性能的影響。討論了近年來通過模擬方法獲得的與弛豫相關(guān)的動力學(xué)、結(jié)構(gòu)和物理機(jī)理方面的研究進(jìn)展。本綜述有助于認(rèn)識玻璃的本質(zhì)，建立玻璃材料的動力學(xué)-結(jié)構(gòu)-性能關(guān)聯(lián)。

    Abstract:

    The relaxation dynamics of metallic glasses, as one of the most challenging issues, is complex. The relaxation, including α relaxation, slow β relaxation, and fast β relaxation, occurs at different temperatures. Taking advantage of the microscopic atomic information of simulation, the characteristics and mechanisms of these three typical relaxations were summarized to discuss their influence on mechanical properties of metallic glasses. Recent progresses on dynamical, structural, and physical mechanisms by simulation method were discussed. This review is beneficial to understand the nature of glass and to establish the dynamics-structure-property relationship of glassy materials.

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王兵,高選喬,喬吉超.金屬玻璃弛豫行為及其機(jī)理的模擬研究進(jìn)展[J].稀有金屬材料與工程,2024,53(1):70~77.[Wang Bing, Gao Xuanqiao, Qiao Jichao. Relaxation Behavior in Metallic Glasses and Related Mechanisms by Simulation Method: A Brief Review[J]. Rare Metal Materials and Engineering,2024,53(1):70~77.]
DOI：10.12442/j. issn.1002-185X. E20230821

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  • 收稿日期:2023-12-19
  • 最后修改日期:2024-01-03
  • 錄用日期:2024-01-05
  • 在線發(fā)布日期: 2024-01-25
  • 出版日期: 2024-01-24