NDLI: Mechanical Properties of Cu added Ni bulk amorphous powder composite

Content Provider	IEEE Xplore Digital Library
Author	Jin-Chun Kim Ho-Jin Ryu Ji-Soon Kim Yong-Soon Kwon Byoung-Kee Kim Yong-Jin Kim
Copyright Year	2006
Description	Author affiliation: Sch. of Mater. Sci. & Eng., Ulsan Univ. (Jin-Chun Kim; Ho-Jin Ryu; Ji-Soon Kim; Yong-Soon Kwon)
Abstract	In this study, the Ni-based $(Ni_{59}Zr_{20}Ti_{16}Si_{2}Sn_{3})$ BMG powders were produced by the high pressure gas atomization process, and the ductile Cu powders were mixed using the spray drying process or the ball milling process. The Ni-based amorphous powders and Cu added composite powders were compacted by a simple die hot press and a spark plasma sintering (SPS) processes into cylindrical. In the hot press, the prepared powders were pressed at 570degC (in the at $T_{g}-T_{x}$ range) to avoid the crystallization. However, the compacted samples did not reach the theoretical density. At the 900degC, we could get the full densified specimens, but the crystallization of the samples happened. The relative density increased from 79% to 98% when the pressure increased up to 350 MPa by optimum control of the SPS process parameters. The micro-Vickers hardness was also increased from 774 Hv to 810 Hv with increasing temperature from 450degC to 460degC.
Starting Page	174
Ending Page	177
File Size	4175027
Page Count	4
File Format	PDF
ISBN	1424404266
DOI	10.1109/IFOST.2006.312216
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-18
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Powders Spraying Crystallization Ball milling Mechanical factors Amorphous materials Sparks Plasma density Zirconium SPS Tin BMG Hot press
Content Type	Text
Resource Type	Article

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