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Effect of Hot-rolling on Microstructure and Mechanical Property of BT14 Alloy

机译：热轧对BT14合金组织和力学性能的影响

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摘要

BT14 alloy is a kind of heat-strengthened (α+β) titanium alloy, which was originally developed by Russia and applied in fabricating welding-structures, fastening pieces and forging pieces. BT14 alloy in this paper were investigated to study the effect of hot-rolling on microstructure and mechanical property. It was found that alloys consisted of α+β phase, and grain was refined significantly after hot-rolling to 10mm sheet from 80mm forged-slab. There was no obvious improvement in room temperature tensile strength induced by hot-rolling, but a little increment in room temperature plasticity. Results in this paper contributed to optimization of rolling technology, which assured the homogeneity of mechanical property in BT14 alloy.
机译：BT14合金是一种热强化（α+β）钛合金，最初由俄罗斯开发，用于制造焊接结构，紧固件和锻造件。研究了BT14合金，以研究热轧对组织和力学性能的影响。发现合金由α+β相组成，并且从80mm的锻造板热轧至10mm的薄板后，晶粒得到了明显的细化。热轧引起的室温拉伸强度没有明显改善，但室温可塑性却有一点增加。本文的结果有助于优化轧制工艺，从而确保BT14合金力学性能的均质性。

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