Journal
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
Volume 55, Issue 12, Pages 2357-2361Publisher
SCIENCE PRESS
DOI: 10.1007/s11433-012-4938-8
Keywords
bulk metallic glass; thermal cycling; mechanical properties; thermal stability
Categories
Funding
- National Basic Research Program of China [2007CB613905]
- National Natural Science Foundation of China [50971073, 51101090, 51271095]
- Beijing Natural Science Foundation
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The effect of thermal cycling treatment on mechanical properties and thermal stability of a Zr41Ti14Cu12.5Ni10Be22.5 bulk metallic glass is investigated. The metallic glassy samples are sealed into quartz tubes under high vacuum condition, and liquid nitrogen together with electric furnace are used to control a periodical temperature variation between -196A degrees C and 150A degrees C. The structure and properties of the tested samples for different thermal cycles have been examined by X-ray diffraction analysis, mechanical properties measurement and thermal analysis. It has been found that the structure and properties of the samples do not show a significant change even after 200 cycles, which suggests Zr41Ti14Cu12.5Ni10Be22.5 alloy as having potential in aerospace environment.
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