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Preparation and Characterization of Low-melting Glasses Used as Binder for Protective Coating of Steel Slab
Ist Teil von
Journal of Wuhan University of Technology. Materials science edition, 2013-04, Vol.28 (2), p.380-383
Ort / Verlag
Heidelberg: Wuhan University of Technology
Erscheinungsjahr
2013
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
The low-melting phosphate glass was prepared for production of glass binders for protective coating of steel slab. Effects of different O/P ratios on glass structures and properties were analyzed. Differential thermal analysis (DTA) and infrared spectroscopy (IR) techniques were applied for low-melting glass binder. It was found that the glass transition temperature(T) was about 300 ℃ and softening temperature(T1) was about 480 ℃. The choice of O/P ratio was very important to the glass transition and softening temperatures. When more P=O bonds existed in the glass networks, P-O-P bond angle was deformed with decreasing of the ratio of O/E The coatings could adhere to the substrates instantaneously at 800 ℃ when the content of binder exceeded 3wt%. The optimal content of glass binder was 5wt%.