摘要
利用非晶晶化法制备了(Fe_(0.99)Cu_(0.01)_(78)Si_9B_(13)纳米晶合金。发现其显微硬度H_v与晶粒尺寸d之间基本服从Hall-Petch关系。利用Mossbauer谱研究了晶粒尺寸为30nm的材料中类金属原子的分布及其对晶化相电子结构的影响。
By using the crystallization method, nanocrystalline (Fe_(0.99)Cu_(0.01))_(78)Si_9B_(13) alloys were synthesized. The relationship between microhardness Hv and grain size d was proved to obey Hall-Petch relation. By means of Mossbauer spectroscopy, the distribution of metalloids Si and B and their influence on electronic structure of crystallized phases were also investigated.
出处
《物理学报》
SCIE
EI
CAS
CSCD
北大核心
1993年第8期1272-1277,共6页
Acta Physica Sinica
关键词
纳米晶材料
合金
电子结构
硬度
Grain size and shape
Hardness
Iron alloys
Mechanical properties
Structure (composition)
