4020
The hardness of the refined microstructure produced by the LPBF process was high at ∼ 90 HV , which is more than twofold higher than that of conventionally casted alloys that contain the coarsened plate-shaped Al13Fe4 intermetallic phase in equilibrium with the α-Al matrix .
 machanical property: hardness; concept or principle: microstructure; manufacturing process: LPBF; material: alloys; material: intermetallic; concept or principle: equilibrium
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: hardness, microstructure, LPBF, alloys, intermetallic, equilibrium 
Answer:
 machanical property: hardness; concept or principle: microstructure; manufacturing process: LPBF; material: alloys; material: intermetallic; concept or principle: equilibrium