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首页> 外文会议>Symposium Proceedings vol.842; Symposium on Integrative and Interdisciplinary Aspects of Intermetallics; 20041129-1201; Boston,MA(US) >The Correlation of Slip between Adjacent Lamellae in TiAl
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The Correlation of Slip between Adjacent Lamellae in TiAl

机译：TiAl中相邻薄片之间的滑动相关性

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摘要

In lamellar TiAl, concerted deformation occurs in adjacent true-twin related variants (O/OT). When deformation takes place in a given variant, O, by activation of the slip system with highest shear stress, slip proceeds in the companion variant, OT, by operation of a slip system of the same family in mirror orientation, including the slip direction. Depending on load orientation, the latter system may not necessarily exhibit the highest resolved shear stress. The correlation does not depend upon Burgers vector orientation with respect to the interface. This property applies to ordinary dislocations and twinning. The variant that'conforms the Schmid law is referred to as the pilot variant, the twin-related variant is dubbed driven.
机译：在层状TiAl中，协同变形发生在相邻的真双胞胎相关变体（O / OT）中。当在给定的变形O中发生变形时，通过激活具有最大剪切应力的滑移系统，通过在镜像方向（包括滑移方向）上操作同一族的滑移系统，滑移将在配对变量OT中进行。根据负载方向，后一种系统可能不一定显示最高的解析切应力。相关不取决于相对于接口的Burgers矢量方向。此属性适用于普通位错和孪生。符合施密德定律的变体称为飞行员变体，与孪生相关的变体被称为驱动。

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