1864
The alloy 's microstructure , hardness , tensile properties and plastic strain behaviour have been examined for various strengthening heat-treatment plans to assess the influence of the time and temperature combinations on plastic anisotropy and mechanical properties ( e.g .
 alloy, microstructure, hardness, tensile properties, plastic, strengthening, temperature, plastic, anisotropy, mechanical properties
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:
 alloy, microstructure, hardness, tensile properties, plastic, strengthening, temperature, plastic, anisotropy, mechanical properties