Dense SiC Coatings as Barrier Layer on Graphite Heat Elements in Furnaces for Smelting Silicon in Photovoltaic Industry

Yang Wang; Zhaofeng Chen; ShengJie Yu; Ruiying Luo; Jiufeng Wang

doi:10.1111/ijac.12526

journal article·2016-05

Dense SiC Coatings as Barrier Layer on Graphite Heat Elements in Furnaces for Smelting Silicon in Photovoltaic Industry

Yang Wang, Zhaofeng Chen, ShengJie Yu, Ruiying Luo, Jiufeng Wang

International Journal of Applied Ceramic Technology· Volume 13· Issue 3

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Source abstract

Abstract

This study puts forward an application of a dense SiC coating of graphite heat elements as a barrier layer to prevent the spoilage of the purity of photovoltaic Si elements by impurities of the graphite. The SiC barrier performance in high‐temperature vacuum environment has been analyzed measuring the mass loss of graphite with/without coating of 5, 20, 30 μm 1200, 1400, and 1600°C. A thickness of 20 μm showed to be the best choice and could reduce the weight loss by more than 90%. The adhesion strength of samples decreased with the increase in heat treatment temperature.

Source: crossref · Quality: baseline

Research context

Electronic materials Materials processing

OpenAlex topics: Advanced ceramic materials synthesis · Aluminum Alloys Composites Properties · Graphite, nuclear technology, radiation studies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

International Laboratory for Insulation and Energy Efficiency Materials College of Materials Science and Technology Nanjing University of Aeronautics and Astronautics Nanjing 210016 People's Republic of China

Suzhou Superlong Aviation Heat Resistance Material Technology Co., Ltd Suzhou 515400 People's Republic of China

Center of Materials Physics and Chemistry School of Physics and Nuclear Energy Engineering Beijing University of Aeronautics and Astronautics Beijing 100191 People's Republic of China

Funding

Jiangsu Innovation Program for Graduate Education · Priority Academic Program Development of Jiangsu Higher Education Institutions

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