The Effect of In-Flight Bulk Metallic Glass Particle Temperature on Impact Behavior and Crystallization


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NiTiZrSiSn bulk metallic glass powder was produced using inert gas atomization and then was sprayed onto a SS 41 mild steel substrate using the kinetic spraying process. Considering the principle of kinetic spraying and the temperature dependent deformation behavior of the bulk metallic glass, an attempt to change the in-flight particle temperature was tried by modifying the kinetic spraying apparatus. Through this study, the effects of thermal energy of in-flight particle and crystallization degree by powder preheating temperature were evaluated. The deformation behavior of bulk metallic glass is very interesting and it is largely dependent on the temperature and the strain rate. The crystalline phase formation at impact interface was dependent on the in-flight particle temperature. In addition, variations in the impact behavior need to be considered at high strain rate and in-flight particle temperature.



Materials Science Forum (Volumes 534-536)

Edited by:

Duk Yong Yoon, Suk-Joong L. Kang, Kwang Yong Eun and Yong-Seog Kim




S. K. Kim et al., "The Effect of In-Flight Bulk Metallic Glass Particle Temperature on Impact Behavior and Crystallization", Materials Science Forum, Vols. 534-536, pp. 445-448, 2007

Online since:

January 2007




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