The accumulation of ice on surfaces can cause harm in many industries. Our work describes an experiment and a simulation of the deicing effect based on a simple device combining a polydimethylsiloxane (PDMS) membrane and water phase transition. The device resulted in a minimum ice adhesion strength of 0.327 kPa, and the ice adhesion strength was still less than 5 kPa after 15 cycles, which meets the requirements of automatic deicing. It also held up after flushing with water and sand currents. In addition, our finite element simulation illustrates that the ice adhesion strength decreases greatly due to the change in initial stress distribution and the separation mode of ice. The fracture between the ice and membrane initiates from one side, and propagates gradually along the contour of ice while at the same time spreading rapidly towards the center. Compared with other icephobic methods, such as expensive and vulnerable micro/nano-surfaces or functional composite coatings, this low-cost and environment friendly device appears promising for large-scale deicing applications in various engineering fields.

中文翻译：

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使用聚二甲基硅氧烷膜的装置和水的相变

冰在表面的积累会对许多行业造成危害。我们的工作描述了基于结合聚二甲基硅氧烷 (PDMS) 膜和水相变的简单装置的除冰效果实验和模拟。该装置测得的最小冰附着强度为0.327 kPa，15次循环后冰附着强度仍小于5 kPa，满足自动除冰要求。在用水和沙流冲洗后，它也能保持住。此外，我们的有限元模拟表明，由于初始应力分布的变化和冰的分离模式，冰的粘附强度大大降低。冰和膜之间的断裂从一侧开始，并沿着冰的轮廓逐渐传播，同时向中心迅速扩散。与其他防冰方法（例如昂贵且易损的微/纳米表面或功能复合涂层）相比，这种低成本且环境友好的设备在各个工程领域的大规模除冰应用中似乎很有前景。