Typical growth of SiC fibers prepared by microwave heating with NiCl2 catalyst
Source abstract
Abstract
Nickel chloride was used as a catalyst to rapidly synthesize SiC fibers at lower temperatures via microwave heating. The effects of catalyst concentration and synthesis temperature on the morphology and composition of the product were studied. The synthesized SiC was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM)，X-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM). The synthesis mechanism of SiC fibers under the action of the NiCl 2 catalyst was proposed. The results show that the stems of the bamboo-like nanowires are cubic β-SiC, and the nodes are composed of a large number of stacking faults, with diameters ranging from 20 to 100 nm. During the preparation process, the magnetic catalyst plays a crucial role in the rapid synthesis of SiC fibers. The gas-liquid growth mechanism of SiC fibers under the action of a magnetic-field-line-like Si-Ni compound is proposed.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Silicon Carbide Semiconductor Technologies · Advanced ceramic materials synthesis · Aluminum Alloys Composites Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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