微纳成型力学

利用材料的塑性变形能力制造各种零部件被广泛应用于汽车、航空航天、消费电子和医疗设备等领域. 随着器件小型化的发展趋势, 开发新的微纳成型 (或微纳尺度塑性变形) 工艺成为制造业发展的核心问题之一. 近年来, 产业界和学术界对微纳成型技术进行了广泛的研究, 在开发微纳成型工艺、深入理解尺寸效应和变形行为等方面都取得了显著进展. 本文将聚焦不同材料体系如聚合物、非晶合金与晶体金属在微纳成型过程中的变形机理及其尺寸效应, 综述微纳成型技术的最新研究进展. 最后, 对金属微纳成型面临的技术挑战及其关键力学问题进行展望. 

Nanofabrication through forming:Techniques and mechanics

Exploiting the plastic deformability of materials to manufacture components is widely applied in automobile, aerospace, consumer electronics, medical equipment, and other fields. With the development trend of device miniaturization, nanofabrication techniques plays a central role in the manufacturing industry. In recent years, extensive research and remarkable progress have been made in developing micro-/nanoforming techniques, and in-depth understanding of the underlying deformation behavior. This paper will review the latest research progress of micro-/nanoforming techniques, focusing on the deformation mechanism and size effect in the micro-/nanoforming of different material classes such as polymers, amorphous alloys/bulk metallic glass, and crystalline metals. Finally, the technical challenges and key mechanical problems of micro-/nanoforming of crystalline metals are prospected.