5162
Differential thermal analysis , microscopy and X-Ray diffraction were used to further understand the nature of alloying within the process .
 thermal analysis, microscopy, X-Ray diffraction, alloying, process
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:
 thermal analysis, microscopy, X-Ray diffraction, alloying, process