5585
Spatter particles ejected from the melt pool after melting of 316 L stainless steel by laser powder bed fusion additive manufacturing ( LPBF ) , were found to contain morphologies not observed in aB-atomized 316 L powder .
 Spatter, particles, melt pool, melting, stainless steel, laser powder bed fusion additive manufacturing, LPBF, morphologies, powder
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:
 Spatter, particles, melt pool, melting, stainless steel, laser powder bed fusion additive manufacturing, LPBF, morphologies, powder