Effects of strain rate on mechanical behaviour and microstructure variations of tungsten single crystal

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Abstract

This paper presents experimental and analytical results of the plastic deformation behaviours, the microstructural characteristics and the modes of fracture of Tungsten single crystal of 〈110〉 orientation. All the specimens are compressed in [110] direction at three loading velocities (from 10-4 to 2*102s-1) and at room temperature to investigate the macroscopic mechanical behaviour as a function of strength, deformability, and the fracture mechanism. Microstructural evaluations are made by TEM and correlated to the strain rates investigated. The macroscopic and microscopic behaviours of tungsten single crystal are described and their concomitant relationships interacted with both strain and strain rate are studied.

Original languageEnglish
Pages (from-to)181-187
Number of pages7
JournalJournal of the Chinese Society of Mechanical Engineers, Transactions of the Chinese Institute of Engineers, Series C/Chung-Kuo Chi Hsueh Kung Ch'eng Hsuebo Pao
Volume16
Issue number2
Publication statusPublished - 1995 Apr 1

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

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