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Correlations between microstructures and corrosion resistances of SLMed Inconel 718 alloy are studied .
 material: microstructures; concept or principle: corrosion resistances; manufacturing process: SLMed; material: Inconel 718 alloy
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
 Entities: microstructures, corrosion resistances, SLMed, Inconel 718 alloy 
Answer:
 material: microstructures; concept or principle: corrosion resistances; manufacturing process: SLMed; material: Inconel 718 alloy