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典型玻璃材料冲击力学性能研究

Keywords: 固体力学,玻璃,分离式霍普金森压杆,冲击性能

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Abstract:

运用分离式霍普金森压杆技术,研究浮法玻璃和钢化玻璃在冲击条件下的σ-ε关系.通过对两种玻璃进行低速冲击实验表明:浮法玻璃的冲击力学性能与传统陶瓷材料基本一致,而钢化玻璃除表现出传统脆性材料的弹性性能外,还进一步表现出金属材料的塑性屈服特性;在冲击破碎形态上,钢化玻璃和浮法玻璃差别显著,钢化玻璃呈颗粒状,而浮法玻璃呈细粉状.由此可见,经淬冷处理后,钢化玻璃的冲击力学性能比浮法玻璃有显著提高.

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