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Transmission electron microscopy study reveals that the α-demarcated grid structure tended to confine plastic deformation within the β matrix and suppress the macroscopic plastic deformation throughout the samples .
 Transmission electron microscopy, structure, plastic deformation, macroscopic, deformation, samples
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:
 Transmission electron microscopy, structure, plastic deformation, macroscopic, deformation, samples