5786
X-ray diffraction and hole-drilling measurements were performed on the surfaces of the LPBF deposits and substrates , while bulk residual stresses were measured using the contour method .
 X-ray diffraction, surfaces, LPBF, residual stresses, contour
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:
 X-ray diffraction, surfaces, LPBF, residual stresses, contour