THE GROWTH OF MnSi1.73 PREPARED BY SPARK PLASMA SINTERING
Abstract
Crystals of MnSi1.73 were prepared by Spark Plasma Sintering (SPS) technique, analyzed by X-ray diffraction (XRD), and invested by metalogragh and scanning electron microscopy (SEM). The growth processes of the samples were studied. It was found that the Mn–Si powders partly formed MnSi1.73 crystals at 912–937 K under the mechanical pressure of 20 MPa in low vacuum (about 5.0 Pa), and fully formed MnSi1.73 crystals after sintered at 1173 K for 15 minutes under 40 MPa.
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