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The peaks of the α-Fe phase of the AM part drifted slightly toward a relatively smaller Bragg 's angle as a result of solute atoms incorporation when compared with that of the base metal .
 concept or principle: phase; machine or equipment: AM part; material: as; material: solute atoms; material: base metal
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; machine or equipment: AM part; material: as; material: solute atoms; material: base metal