The Role of Alum in the Fabrication of Calcium Silicate for Dissolved Acetylene Cylinders

Shi Cai Cui; Zhao Bo Meng

doi:10.4028/www.scientific.net/AMM.117-119.870

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 117-119The Role of Alum in the Fabrication of Calcium...

The Role of Alum in the Fabrication of Calcium Silicate for Dissolved Acetylene Cylinders

Abstract:

Calcium silicate for filling material used in dissolved acetylene cylinders was prepared by adding alum as additive. Samples were characterized by X-ray powder diffraction (XRD) and scanning electron microscope (SEM). The effects of alum on the bleeding, shrinkage, strength, porosity, morphology and phase composition were studied. The experimental results show that the adding of alum can improve the comprehensive performance of samples. The mechanism was discussed in detail.