Preparation of ex-situ Mixed Sintered Biphasic Calcium Phosphate Ceramics from Its Co-Precipitated Precursors and Their Characterization,Transactions of the Indian Ceramic Society

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Preparation of ex-situ Mixed Sintered Biphasic Calcium Phosphate Ceramics from Its Co-Precipitated Precursors and Their Characterization
Transactions of the Indian Ceramic Society ( IF 1.5 ) Pub Date : 2019-04-03 , DOI: 10.1080/0371750x.2019.1619484
Ritwik Sarkar ₁ , Akanksha Agrawal ₁ , Rupita Ghosh _{1,

2}

Affiliation

ABSTRACT Biphasic calcium phosphate (BCP) ceramics was synthetically prepared by ex-situ method using hydroxyapatite (HAp) and beta tricalcium phosphate (β-TCP) powders. Both HAp and β-TCP were prepared by wet chemical co-precipitation and calcination method and were then mixed at two different weight ratios of 60:40 and 70:30. The mixed BCPs were then pressed and sintered at 1200o and 1250oC. Sintered pure HAp and β-TCP were also prepared for comparison purpose. Sintered products were then characterized for various properties. Higher density and strength values were found for the composition with higher HAp content and also the bioactivity on immersion in SBF (simulated body fluid) solution was found to be higher for HAp containing composition. GRAPHICAL ABSTRACT

中文翻译：

共沉淀前驱体异位混合烧结双相磷酸钙陶瓷的制备及其表征

摘要采用羟基磷灰石 (HAp) 和β-磷酸三钙 (β-TCP) 粉末通过异位法合成制备双相磷酸钙 (BCP) 陶瓷。HAp 和 β-TCP 均通过湿化学共沉淀和煅烧方法制备，然后以 60:40 和 70:30 两种不同的重量比混合。然后将混合的 BCP 在 1200oC 和 1250oC 下压制和烧结。还制备了烧结纯 HAp 和 β-TCP 以进行比较。然后表征烧结产品的各种特性。发现具有更高HAp含量的组合物具有更高的密度和强度值，并且还发现对于包含HAp的组合物，浸入SBF(模拟体液)溶液时的生物活性更高。图形概要

更新日期：2019-04-03

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