381
This study aims to study the effect of critical process parameters including the ultrasonic energy and pre-surface roughness on the shear strength of the fabricated CFRP/Ti stacks using the UAM process .
 concept or principle: process parameters; machanical property: roughness; machanical property: shear strength; concept or principle: fabricated; manufacturing process: UAM; concept or principle: process
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:
 concept or principle: process parameters; machanical property: roughness; machanical property: shear strength; concept or principle: fabricated; manufacturing process: UAM; concept or principle: process