Crystal chemistry of synthetic hercynite (FeAl 2 O 4 ) from XRD structural refinements and Moessbauer spectroscopy L, O'Neill HStC, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mo¨ssbauer spectroscopy. Eur... Lena,Larsson,Hugh,......
The sol constituents containing iron and aluminum cations were formed homogenously in stearic acid gel (formation of organic precursor). The pure structural analysis and the size of the spinels were confirmed by X-ray diffraction (XRD). It was observed that the size of the nanoscale materials ...
The XRD pattern of the nanostructure was carried out by a X′ Pert MPD. Homogenization of the particles was done in a Wise clean (power of 90 W) ultrasonic bath. A UNIVERSAL 320 centrifuge apparatus (5000–10,000 rpm) was applied for the preparation of the bionanohybride. 1H NMR and...
28.在本技术中,可通过x射线衍射仪器(以下简称xrd)和扫描电镜仪器(以下简称sem)两种检测手段确定本发明所制备得到的最终产物为fe和feal2o4两种物相。 29.实施例1以fe粉(粒度2μm)、fe2o3粉(粒度500nm)和al2o3粉(1μm)为原料,三者分别按质量百分比50%、17%、33%的比例称重,原料在行星球磨机进行球磨,球磨转...
XRD patterns of electrodeposited and magnetic-field-annealed iron aluminium (Fe3Al) and iron aluminium oxide (FeAl2O4) thin films are depicted in Fig. 2a–e, respectively. Time of oxidation varied as 5 min, 10 min, 15 min and 20 min. Intermetallic iron aluminium films showed Fe3Al structure...
燃烧合成红外发射率近红外吸收以三氧化二铁和铝粉为原料,通过燃烧合成方法制备铁铝尖晶石(FeA12O4).采用XRD,SEM对样品物相结构和微观形貌进行表征,利用紫外-可见-红外分光光度计,IR-2型双波段发射率测试仪测定其红外发射率.对反应合成产物的X射线衍射分析表明,原料质量比在Fe2O3/Al=4:1时得到单相的铁铝尖晶石...
The thermodynamic behavior was analyzed by XRD, XRF and using FactSage. The results showed that reaction temperature was higher than 710掳C, 7% of C contained in the zinc kiln slag can reduce the iron oxide to Fe, and the reduced Fe 3 O 4 and FeO could be reacted with Al 2 O 3 ...
金属/陶瓷复合涂层具有金属的韧性和陶瓷的高强度、高硬度等优点,利用反应等离子喷涂技术将Fe2O3/Al复合粉制备成金属/陶瓷复合涂层,以X射线衍射(XRD)、扫描电镜(SEM)、能谱仪(EDS)等分析技术研究了该复合涂层的反应机理和涂层性能。结果表明:涂层具有以层状的FeAl2O4、Al2O3为骨架,球形的Fe及部分FeAl为弥散相的...
Nanocrystalline materialsTransmission electron microscopy (TEMMagnetic propertiesNanocrystalline FeAl 2O 4 has been synthesized from furnace heating of corresponding iron and aluminium acetylacetonate complexes. The nanoparticles obtained were characterized using powder X-ray diffraction (XRD), EDX and ...
以鋁粉和氧化鐵粉為原料,製備出適於等離子噴塗的複合團聚粉體;並採用反應等離子噴塗技術製備出FeAl2O4-Al2O3-Fe複合塗層,用SEM和XRD分析了複合塗層的組織結構.結果表明:反應等離子噴塗得到了以層狀基體相FeAl2O4與硬質相Al2O3為骨架,球狀Fe相彌散分佈於基體上的複合塗層....