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中文摘要：
研究了添加Nb对快淬Nd10Fe84B6合金磁性能、微观组织和晶化温度的影响。结果表明：添加Nb可以提高快淬态合金中非晶相的热稳定性，减小最佳退火温度和晶化起始温度之间的温度差，抑制热处理时α-Fe和Nd10Fe84B6晶粒的预先析出和长大，有效细化了晶粒，提高磁性能。快淬Nd10Fe84Nb1B6合金经过715℃热处理10min，磁性能达到Br=0.90T，iHc=750kA／m，（BH）max=120kJ／m^3，较之Nd10Fe84B6合金，内禀矫顽力提高了25％，最大磁能积提高了14％。
英文摘要：
In this paper, effects of Nb addition on the magnetic properties, microstructure and crystallization temperature of melt - spun Nd10Fe84B6 alloy have been investigated. The results reveal that the addition of Nb can significantly improve the thermal stability of amorphous phase in as- quenched alloys, decrease the difference between the optimal annealing and the crystallization starting temperatures, restrain the initial formation and the growth of α -Fe and Nd2Fe14B, refine the grains. As a resuit, the Nd10Fe83Nb1B6 alloy annealed at 715℃ for 10min exhibits the improved magnetic properties, Br =0.90T, iHc =750kA/m, （BH）max = 120 kJ/m^3, the remanence and the maximum energy product increase by 25% and 14% , compared with the Nd10Fe84B6 alloy.
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