6108
While the volumetric energy density is commonly used to qualify a process parameter set , and to quantify its influence on the microstructure and performance of additively manufactured ( AM ) materials and components , it has been already shown that this description is by no means exhaustive .
 energy density, process parameter, microstructure, performance, additively manufactured, AM, materials, components
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:
 energy density, process parameter, microstructure, performance, additively manufactured, AM, materials, components