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The fabricated γ-TiAl based alloy consists of comparatively large α2 grains in the near-substrate region , fully lamellar colonies with various sizes and interdendritic γ structure in the intermediate layer bands , followed by fine dendrites and interdendritic γ phases in the top region .
 concept or principle: fabricated; material: alloy; concept or principle: grains; concept or principle: lamellar; concept or principle: structure; process parameter: layer; biomedical: dendrites
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: fabricated; material: alloy; concept or principle: grains; concept or principle: lamellar; concept or principle: structure; process parameter: layer; biomedical: dendrites