1062
The samples featured by fine and discrete Laves phases show a good response to the post solution-aging treatment in which the dissolution of LaveB-phase and subsequently discrete precipitations of δ-phase as well as high-density precipitation of γ″-Ni3Nb strengthening phase are promoted .
 samples, Laves phases, as, as, precipitation, strengthening phase
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:
 samples, Laves phases, as, as, precipitation, strengthening phase