792
The high Ni content but low Cr and N contents in the initial state of the intragranular austenite ( IGA ) confirmed the predominance of the chromium nitrides acted as the nucleation sites .
 material: Ni; material: Cr; material: N; material: austenite; material: chromium; material: as; concept or principle: nucleation
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:
 material: Ni; material: Cr; material: N; material: austenite; material: chromium; material: as; concept or principle: nucleation