Preparation and in vitro bioactivity of CaSiO3 powders
Source abstract
Abstract
Abstract Fine CaSiO 3 powders were prepared by chemical precipitation with ultrasonic stirring using Ca(NO 3 ) 2 ·4H 2 O, Si(OC 2 H 5 ) 4 as source material and 0.25 mol/l NaOH as a precipitant. The characteristics of the resultant powders were negatively affected by the presence of the Na component. For this reason, the precipitates were washed with distilled water in order to remove the Na component. The washed precipitates were calcined at 500 and 900 °C. The ground and sieved powders were sintered at 1000 and 1200 °C to bulk density values of 1.49 and 2.035 g/cm 3 , respectively. The minimum porosity of 5.00% was obtained on pellets pressed at 240 MPa and sintered at 1200 °C. The sintered pellets at 1200 °C were soaked in simulated body fluid (SBF) solution and hydroxyapatite (HAp) layer formed as ball-like particles on the surface of the CaSiO 3 samples after soaking for a short time.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Bone Tissue Engineering Materials · Dental Implant Techniques and Outcomes · Dental materials and restorations
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (31)
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