FeCuMoSiB合金穆斯堡尔谱研究

Mossbauer Spectra of FeCuMoSiB Alloy

用ｘ射线衍射技术和穆斯堡尔谱技术，研究了ＦｅＣｕＭＯ合金的结构和超精细相互作用。该合金的相组成为ａ－Ｆｅ（Ｓｉ）纳米晶（ＤＯ３结构）和边界相即残余非晶相，典型纳米晶状态下的穆斯堡尔谱由５条亚谱构成，其中４条亚谱为６峰谱，对应ａ－Ｆｅｉ）相中的４种不同环境中的Ｆｅ原子。另１条亚谱对应边界处的非晶相。

Microstructure and superfine interactions of Fe CuMo Si B nanocrystalline alloy (Mo alloy) produced by annealing the rapidly quenched alloy have been investigated using X - ray diffraction and Mossbauer spectroscopy. The pbase oonstituent of the Mo al- loy is a -Fe (Si) nanocrystalline phase with DO3 structure and boundary phase (residual amorphous phase) . Mossbauer spectra of typical nanocrystalline phase of the alloy consists five sextets subspectras , four subspectras are corresponded with four kinds of different environznents of Fe atoms in nanocrystalline grain pbase a - Fe(Si) and the last is bounda- ry phase(residual amorphous phase). The properties of Mossbauer spectra of the alloy rib- bons annealed at 500C and 600 C have been investigated.