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http://dx.doi.org/10.4150/KPMI.2017.24.4.302

Fabrication and Mechanical Property of Fe-20Cu-1C Compacts by SPS process with Different Heating Rate  

Ryu, Jung-Han (Hydraulic Research and Development Center of SinJin Precision)
Shin, Soo-Sik (Hydraulic Research and Development Center of SinJin Precision)
Ryu, Byung-Rok (Hydraulic Research and Development Center of SinJin Precision)
Kim, Kyung-Sik (Hydraulic Research and Development Center of SinJin Precision)
Jang, Jun-Ho (Korea Institute of Industrial Technology(KITECH), Automotive Components & Materials R&D Group)
Oh, Ik-Hyun (Korea Institute of Industrial Technology(KITECH), Automotive Components & Materials R&D Group)
Kim, Kap-Tae (Korea Construction Equipment Technology Institute(KOCETI), Green Technology Research Division, Hydraulic System Laboratory)
Park, Hyun-Kuk (Korea Institute of Industrial Technology(KITECH), Automotive Components & Materials R&D Group)
Publication Information
Journal of Powder Materials / v.24, no.4, 2017 , pp. 302-307 More about this Journal
Abstract
In this study, Fe-Cu-C alloy is sintered by spark plasma sintering (SPS). The sintering conditions are 60 MPa pressure with heating rates of 30, 60 and $9^{\circ}C/min$ to determine the influence of heating rate on the mechanical and microstructure properties of the sintered alloys. The microstructure and mechanical properties of the sintered Fe-Cu-C alloy is investigated by X-ray diffraction (XRD) and field-emission scanning electron microscopy (FE-SEM). The temperature of shrinkage displacement is changed at $450^{\circ}C$ with heating rates 30, 60, and $90^{\circ}C/min$. The temperature of the shrinkage displacement is finished at $650^{\circ}C$ when heating rate $30^{\circ}C/min$, at $700^{\circ}C$ when heating rate $60^{\circ}C/min$ and at $800^{\circ}C$ when heating rate $90^{\circ}C/min$. For the sintered alloy at heating rates of 30, 60, and $90^{\circ}C/min$, the apparent porosity is calculated to be 3.7%, 5.2%, and 7.7%, respectively. The hardness of the sintered alloys is investigated using Rockwell hardness measurements. The objective of this study is to investigate the densification behavior, porosity, and mechanical properties of the sintered Fe-Cu-C alloys depending on the heating rate.
Keywords
Spark Plasma Sintering; Iron; Copper; Heating Rate; Graphite;
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Times Cited By KSCI : 2  (Citation Analysis)
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