Yarong Wang, Hongchao Kou, Mengyu Jia, Yonghao Yu, Yuqing Li, Jun Wang, Jinshan Li
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引用次数: 0
Abstract
The effect of the magnetic field heat treatment on the high-temperature α phase orientation for extruded TNM alloy was studied. Results show that the strength of {0001} basal texture ({0001} crystal plane is parallel to the extrusion direction) increased after holding for 30 min at 1290 ℃ under the 10T magnetic field. The main reason is due to the preferred growth of α phases with <11-20> orientation (<11-20> crystal orientation is normal to the extrusion direction) during the holding time and the growth behavior of α phases with <11-20> orientation is related to the magnetic field direction. Preferred growth of α phases with <11-20> orientation is mainly by consuming adjacent α phases with <10-10> orientation during holding time at 1290 ℃ under the 10T magnetic field. If the magnetic field direction is parallel to the extrusion direction, the preferred growth of α phases with <11-20> orientation is attributed to the magnetic field inducing the increasing of grain boundary mobility. If the magnetic field direction is normal to the extrusion direction, the preferred growth of α phases with <11-20> orientation is caused by the magnetic driving force generated in grain boundaries under the 10T magnetic field.
期刊介绍:
Scripta Materialia is a LETTERS journal of Acta Materialia, providing a forum for the rapid publication of short communications on the relationship between the structure and the properties of inorganic materials. The emphasis is on originality rather than incremental research. Short reports on the development of materials with novel or substantially improved properties are also welcomed. Emphasis is on either the functional or mechanical behavior of metals, ceramics and semiconductors at all length scales.