The plastic instability, i. e. multiple necking fracture before the fragmentation was fundamentally analyzed, and the fragments distribution was obtained from the energy balance theory.
对无氧铜在破碎前出现塑性失稳——多重颈缩进行了初步分析，利用能量平衡的破碎理论给出了无氧铜环的破碎分布。
The plastic instability, i. e. multiple necking fracture before the fragmentation was fundamentally analyzed, and the fragments distribution was obtained from the energy balance theory.
对无氧铜在破碎前出现塑性失稳——多重颈缩进行了初步分析，利用能量平衡的破碎理论给出了无氧铜环的破碎分布。
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