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首页> 外文期刊>Journal of Failure Analysis and Prevention >Analysis of Brittle Fracture of Soda Glass Bottles under Hydrostatic Pressure
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Analysis of Brittle Fracture of Soda Glass Bottles under Hydrostatic Pressure

机译：苏打玻璃瓶在静水压力下的脆性断裂分析

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摘要

Imperfections in glass formed during manufacture or subsequent transportation can weaken bottles, creating a hazard by causing them to fail at lower pressure. When soda glass bottles are pressurized to fracture, the crack density in the broken glass and the fracture pressure are highly correlated. A higher fracture pressure yields a higher crack density as a result of the greater amount of stored energy released on fracture. Thus, after failure it is possible to estimate the pressure to which a bottle was subjected by analyzing the glass fragments. The crack patterns and density agree with analytical models for crack branching in brittle materials under stress. The crack patterns of pressurized bottles subjected to impact are also observed, and a minimum side impact velocity of 2.0 m/s for rupture of pressurized commercial soda glass bottles is determined.
机译：在制造或后续运输过程中形成的玻璃缺陷会削弱瓶子，导致其在低压下失效，从而造成危险。当对钠玻璃瓶加压使其破裂时，碎玻璃中的裂纹密度与破裂压力高度相关。较高的断裂压力会导致较高的裂纹密度，这是由于断裂时释放的存储能量更大。因此，在失效之后，可以通过分析玻璃碎片来估计瓶子所承受的压力。裂纹模式和密度与应力下脆性材料中裂纹分支的解析模型相符。还观察到加压瓶遭受冲击的裂纹模式，并确定了用于加压市售苏打玻璃瓶破裂的最小侧面碰撞速度为2.0 m / s。

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