Formation of new phases at nickel-phosphorus contacts |
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| Affiliation: | 1. College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China;2. Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fuzhou 350002, China;3. Ministerial and Provincial Joint Innovation Centre for Safety Production of Cross-Strait Crops, Fuzhou 350002, China;1. National Engineering Research Center of Wheat and Corn Further Processing, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China University of Technology, Guangzhou 510640, China;2. Dining and Tourism Academy, Guangdong Polytechnic of Science and Trade, Guangdong 510006, China |
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| Abstract: | The formation of new phases at a contact of pure nickel and phosphorus was studied using optical microscopy, X-ray diffraction and electron microprobe analysis. In the temperature interval between 500 and 800°C (except 600°C) two phases were formed: Ni2P and Ni5P4. In the given temperature interval, the stability of these phases does not depend on the temperature but on the phosphorus content (the content of nickel is constant). Both phases are formed from the very beginning of the process and show a deviation from stoichiometry. No regularity in the deviation from stoichiometry could be found. |
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