1108
Both air-cooling and water-quenching heat treatments resulted in the formation of hard martensite-austenite ( MA ) constituents in the microstructure of the rolled ship plate , leading to the increased hardness and tensile strength and reduced ductility of the component .
 heat treatments, microstructure, hardness, tensile strength, ductility, component
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:
 heat treatments, microstructure, hardness, tensile strength, ductility, component