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In order to evaluate the short-term creep behavior , slow strain rate tensile ( SSRT ) tests were performed .
 machanical property: creep behavior; concept or principle: slow strain rate tensile; concept or principle: SSRT
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: 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:
 machanical property: creep behavior; concept or principle: slow strain rate tensile; concept or principle: SSRT