2021年9月1日 · XRD is applied to identify qualitatively the fly ash crystalline phases. XRD works by using electrons to hit the solid sample which then emits x-rays. Once hitting a crystal …

The precursor samples of fly ash and the obtained zeolites were widely characterized considering different techniques including powder X-ray diffraction, infrared vibrational spectroscopy ...

2019年3月6日 · Qualitative XRD indicates that low-calcium/Class F fly ash (usually derived from bituminous coal) consists typically of the crystalline phases quartz, mullite, hematite and …

In this present experimental study, geopolymer cement is developed using high calcium fly ash and used in the production of one-part alkali-activated binders. At 8–16 percent of the total...

X-ray diffractogram of the fly ash (Figure 3) shows that there are, beside glass, four major crystalline components in the phase composition of the fly ash: quartz (SiO 2 ), mullite (Al 6...

2016年10月15日 · A technique based on direct decomposition of the XRD signature of the amorphous phase in alkali activated siliceous fly ash for determining the unreacted glassy …

2021年3月29日 · The x-ray diffraction (XRD) pattern of fly ash powder is shown in Fig. 1(b). The major crystalline phases present in fly ash powder are alpha quartz (SiO 2) and mullite (Al 6 Si …

X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR) was used to characterize the samples. XRD pattern shows that the dominant phase is amorphous glass …

Fly ashes are generated from combustion of coal at thermal power generating plants. The production of fly ash in rapidly increased due to vastly growing industrialization. In the power …

Sulfoaluminate Cement (CSAC) and Fly ash (FA) with different percentages of (0%, 10%, 20% and30%) composite with two different waters. The efficiency and maximum content of fly ash …