对纳米晶镍铁合金(平均晶粒尺寸27 nm)在等温退火过程中的微观组织演变进行了研究,结果表明其经历了两个晶粒异常长大阶段。
Microstructure evolution in nanocrystalline nickel-iron alloy(with average grain size of 27 nm) during isothermal annealing is investigated.The results show that the nanocrystalline nickel-iron alloy underwent a two-staged abnormal grain growth sequence upon annealing.