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Fragmentation

机译:碎片化

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摘要

Brittle materials fragment when exploded or under impact. The study of fragmentation is of practical importance in many areas, ranging from archaeology to milling. In the last 10 years much progress has been achieved in the understanding of the fragment size and velocity distributions as function of the total energy, the geometry and the material strength. Scaling laws, analogous to those of critical phenomena, have been formulated. Recent experiments of exploding egg shells and Christmas balls have given insight also into the fragmentation of containers. For the case of shells, new critical exponents are obtained. These results are confirmed by numerical simulations. These laws are important to understand space debris. (c) 2006 Elsevier B.V. All rights reserved.
机译:爆炸或受到冲击时,脆性材料会破碎。从考古学到制粉学,碎片研究在许多领域都具有实际意义。在过去的十年中,在理解碎片尺寸和速度分布与总能量,几何形状和材料强度之间的关系方面已经取得了很大进展。已经制定了类似于关键现象的比例定律。最近爆​​炸蛋壳和圣诞球的实验也使人们对容器的碎片化有了更深入的了解。对于壳,将获得新的临界指数。这些结果通过数值模拟得到证实。这些定律对于理解空间碎片很重要。 (c)2006 Elsevier B.V.保留所有权利。

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