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By referring to the phase diagram , the desired deposition microstructures can be obtained via adding specific alloying elements in the feedstock and subsequent mechanical properties improved .
 concept or principle: phase diagram; concept or principle: deposition; material: be; material: alloying elements; material: feedstock; concept or principle: mechanical properties
Please list all entity words in the text that fit the category.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} 
Answer:
 concept or principle: phase diagram; concept or principle: deposition; material: be; material: alloying elements; material: feedstock; concept or principle: mechanical properties