Effect of Spark Plasma Sintering on Microstructures and Properties of Al-Fe Alloy
Cui-Yun Liu1, Rui-Xiao Zheng 1, Ameyama Kei 2, Chao-Li Ma 1, Huan-Xi Li 1
(1. Key Laboratory of Aerospace Advanced Materials and Performance of Ministry of Education, School of Materials Science and Engineering, Beihang University, Beijing 100191, China; 2. Department of Mechanical Engineering, Faculty of Science and Engineering, Ritsumeikan University, Shiga 525-8577, Japan)
Abstract:
2024 Aluminum alloy powder(60wt％)and Fe-based amorphous powder(40 wt％) were adopted. They were mechanical machined for 48hours after being mixed. Bulk material was gained after Spark Plasma Sintering. The sintering parameters included sintering temperature, heating or cooling rates, pressure and holding time. 300 ℃-800 ℃ were adopted while the heating or cooling rate was 100 ℃/min and with the pressure of 50 MPa in the experiments. The holding time was 10 min or 20 min at different temperatures, respectively. Bulk materials after sintering were examined by Scanning Electron Microscopy and X-Ray Diffraction. The micro-hardness and relative density also were tested. The sintering temperature had the most significant influence on the microstructure and property of the bulk material. The influence of holding time came second while the heating or cooling rates and pressure were fixed. The density became larger with the increase of the temperature. The compactness was best at 500℃. The pressure and generation of high-temperature phases were the factors which affected the density and the compactness.
Key words: Al alloy powder Fe-based amorphous powder spark plasma sintering microstructure property
DOI：10.11916/j.issn.1005-9113.2013.05.015
Clc Number:TG146.2
Fund:
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Effect of Spark Plasma Sintering on Microstructures and Properties of Al-Fe Alloy
本站小编 哈尔滨工业大学/2019-10-24
相关话题/Effect Spark Plasma Sintering Microstructures
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