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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Dislocation structures of B2 phase in Ti-42Al-6V-1Cr alloy deformed at room temperature and 800 degrees C
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Dislocation structures of B2 phase in Ti-42Al-6V-1Cr alloy deformed at room temperature and 800 degrees C

机译:在室温下变形的Ti-42al-6V-1CR合金中B2相位相的位错结构和800℃

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摘要

The dislocation structures of B2 phase in Ti-42Al-6V-1Cr alloy deformed at room temperature (RT), 700 degrees C and 800 degrees C were investigated in detail. At RT and 700 degrees C, the (110) type dislocations were active in B2 grains. The {111}< 110 > slip systems satisfy the von Mises criterion and this is a contributor to the ductility. At 800 degrees C, three different types of dislocations were observed, containing < 111>, <110 > and < 100 >-type dislocations. Based on microstructural evidence, recovery process occurs by a combination of rearrangement of dislocations and subgrain structures. The more slip modes are activated and this would lead to softening. (C) 2019 Elsevier B.V. All rights reserved.
机译:详细研究了在室温(RT),700℃和800℃下变形的Ti-42al-6V-1CR合金中B2相位相的位错结构。 在室温和700℃下,(110)型位错在B2颗粒中是活性的。 {111} <110>滑动系统满足von误标准,这是延展性的贡献者。 在800℃下,观察到三种不同类型的脱位,含有<111,<110>和<100>序列脱位。 基于微观结构证据,恢复过程通过重新排列错位和粒子结构而发生。 更频率的滑动模式被激活,这将导致软化。 (c)2019 Elsevier B.v.保留所有权利。

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