非晶合金断口形貌演化机理的研究进展

王旭阳; 黎明灿

doi:10.13568/j.cnki.651094.651316.2023.02.24.0001

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非晶合金断口形貌演化机理的研究进展

数理科学 | 更新时间：2026-01-21

- 非晶合金断口形貌演化机理的研究进展
- 非晶合金断口形貌演化机理的研究进展
- 新疆大学学报（自然科学版中英文） 2023年40卷第5期页码：591-599
- 作者机构：
  
  新疆大学物理科学与技术学院
- 作者简介：
- 基金信息：
  
  新疆维吾尔自治区自然科学基金“铁基非晶合金结构非均匀性与力学性能调控的微合金化效应”（2022D01C383）
- DOI：10.13568/j.cnki.651094.651316.2023.02.24.0001
  中图分类号： TG139.8
- 纸质出版：2023
- 稿件说明：
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[1]王旭阳,黎明灿.非晶合金断口形貌演化机理的研究进展[J].新疆大学学报(自然科学版)(中英文),2023,40(05):591-599.
[1]王旭阳,黎明灿.非晶合金断口形貌演化机理的研究进展[J].新疆大学学报(自然科学版)(中英文),2023,40(05):591-599. DOI： 10.13568/j.cnki.651094.651316.2023.02.24.0001.

DOI：10.13568/j.cnki.651094.651316.2023.02.24.0001.

摘要

在力学性能上，非晶合金具有高弹性、高强度的特点，使其成为研究高强度材料强度理论的理想模型，但非晶合金塑性很差，在室温条件下一般为宏观脆性断裂，这极大地限制了非晶合金的应用．近年来，研究者试图通过研发新成分、结构回春以及表面预处理等手段解决这种灾难性断裂问题．虽然取得了一定的效果，但是非晶合金脆性断裂机理依然不够明确．断口特征演化通常是研究金属材料失效机理的有效手段．与晶态合金相比，非晶合金表现出了极其丰富和复杂的断裂行为，其中一个典型表现就是断裂形貌可呈现从微米脉络纹理、亚微米韧窝到纳米周期条纹的跨尺度多样性．通过对非晶合金断裂行为进行研究，综述了近期关于非晶合金断口演化的研究进展，并对非晶合金断口演化方面尚待解决的问题进行了简单展望．

Abstract

Both the large elasticity and high strength make metallic glasses(MGs) an ideal model for studying the strength theory of high-strength materials. But the poor plasticity greatly limits the application of MGs.During the past few decades

many researchers have tried to solve this catastrophic fracture by developing new components

structural rejuvenation or surface regulation. Although some enhancements of plasticity have been achieved

the mechanism of brittle fracture of MGs is still not clear. Generally

study on the evolution of fracture features is usually an effective method to uncover the failure mechanism of metal materials. Compared with crystalline alloys

MGs exhibit extremely rich and complex fracture behaviors

one typical of which is that the fracture morphologies can present a cross-scale diversity from micro-scale vein patterns

sub-micron dimples to nano-scale periodic corrugations. In this letter

the recently studies on the evolution of fracture features of MGs have been summarized and some unsolved issues associated with the fractural morphologies of MGs are proposed.

关键词

Keywords

references

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