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This study investigates the mechanical and corrosion properties of aB-built and annealed equiatomic CoCrFeMnNi alloy produced by laser-based directed energy deposition ( DED ) Additive Manufacturing ( AM ) .
 investigates, mechanical, corrosion properties, alloy, directed energy deposition, DED, Additive Manufacturing, AM
Please list all entity words in the text that fit the category. Output format is "word1, 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} 
Answer:
 investigates, mechanical, corrosion properties, alloy, directed energy deposition, DED, Additive Manufacturing, AM