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研究了Fe77.5-x-yCuxNbySi13.5B9合金（x＝0.1;y＝0～3）经低温长时间等温退火后合金元素（Cu和Nb）对品化的影响。发现非晶带在低于300℃退火时形成a－Fe（Si）纳米品，晶粒尺寸取决于合金化学成分和热处理条件．发现，Fe77.5Si13.5B9合金即使在300℃退火晶粒也生长，400℃时?
The effect of alloying elements (Cu and Nb) on the quality of Fe77.5-x-yCuxNbySi13.5B9 alloy (x = 0.1; y = 0 ~ 3) after low temperature isothermal annealing was studied. A-Fe (Si) nanomaterials were found to form when the amorphous zone annealed below 300 ° C. The grain size is dependent on the chemical composition of the alloy and the heat treatment conditions. Found that, Fe77.5Si13.5B9 alloy even at 300 ℃ annealing grain growth, 400 ℃?