| 门玉涛*,王世斌,李林安,何巍.固体薄膜拉伸分叉行为的研究进展[J].实验力学,2013,28(1):36~48 |
| 固体薄膜拉伸分叉行为的研究进展 |
| Research Progress of Bifurcation Behavior of Solid Film Subjected to Stretch |
| 投稿时间：2012-08-28 修订日期：2012-11-29 |
| DOI：10.7520/1001-4888-12-104 |
| 中文关键词: 柔性电子产品 固体薄膜 拉伸 分叉 进展 |
| 英文关键词:flexible electronic product solid film stretch bifurcation progress |
| 基金项目:国家973项目(2012CB937500)资助；国家自然科学基金项目(11072174)资助 |
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| 中文摘要: |
| 薄膜材料被广泛应用到各个领域。柔性电子产品中大量使用薄膜组件和薄膜连接导线,在使用过程中会受到反复的拉伸、卷曲和折叠。薄膜在拉伸过程中发生的断裂及界面破坏是制约薄膜组件性能和广泛应用的重要因素,其元件和结构稳定性决定了产品的质量和使用寿命,因此,研究固体薄膜在拉伸载荷下的变形和断裂失效至关重要。本文着重从理论、实验和数值模拟三方面综述了国内外对薄膜拉伸分叉行为的研究情况,并提出薄膜基底结构在拉伸载荷下尚需解决的力学问题。 |
| 英文摘要: |
| Film materials are widely applied in various fields. Flexible electronic products have a lot of thin film components and film connecting wires, which may be stretched, curled and folded repeatedly in the course of use. Fracture failure and interfacial damage of thin film components during stretching are important factors to restrict their wider application. Mechanical properties of film components directly affect product quality and service life of products. It is vital important for solid film components to research its deformation and fracture failure due to stretching. In this paper, domestic and foreign research progress of bifurcation behaviour of solid film subjected to stretching is summarized from theoretical, experimental and numerical aspect, repectively. Finally, some unanswered problems of mechanical behaviour of film subjected to stretching are proposed in this paper. |
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