7113
The impact of Gaussian-distributed laser energy and relatively weak thermal conductivity and convection of Inconel 718 contributed to the variation of temperature gradient at different zones within the molten pool .
 impact, laser energy, thermal conductivity, Inconel 718, variation, temperature gradient, molten pool
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:
 impact, laser energy, thermal conductivity, Inconel 718, variation, temperature gradient, molten pool