Gamma-radiation effect on morphology and properties of TTCP/DCPA-derived calcium phosphate cement

I. Chang Wang; Chien Ping Ju; Jiin Huey Chern Lin

doi:10.2320/matertrans.46.1701

Gamma-radiation effect on morphology and properties of TTCP/DCPA-derived calcium phosphate cement

I. Chang Wang, Chien Ping Ju, Jiin Huey Chern Lin

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

The purpose of the present study is to investigate the γ-ray effect on the structure and some critical properties, such as working/setting time and compressive strength, of a TTCP/DCPA-based CPC. Experimental results indicate that working/setting time, compressive strength, TTCP-HA conversion rate and morphology of the present CPC are all related to the dosage of γ-ray sterilization. The best γ-ray dosage appears to be 30 kGy which leads to slightly longer setting/working time, the highest TTCP-HA conversion rate and the highest compressive strength. With increasing γ-ray dosage, the morphology of CPC changed from sharp-edged petal-like morphology (non-sterilized and 10 kGy) to globular-like morphology (20 and 30 kGy) to dull-edged coralline-like morphology (40 and 80 kGy).

Original language	English
Pages (from-to)	1701-1705
Number of pages	5
Journal	Materials Transactions
Volume	46
Issue number	7
DOIs	https://doi.org/10.2320/matertrans.46.1701
Publication status	Published - 2005 Jul

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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abstract = "The purpose of the present study is to investigate the γ-ray effect on the structure and some critical properties, such as working/setting time and compressive strength, of a TTCP/DCPA-based CPC. Experimental results indicate that working/setting time, compressive strength, TTCP-HA conversion rate and morphology of the present CPC are all related to the dosage of γ-ray sterilization. The best γ-ray dosage appears to be 30 kGy which leads to slightly longer setting/working time, the highest TTCP-HA conversion rate and the highest compressive strength. With increasing γ-ray dosage, the morphology of CPC changed from sharp-edged petal-like morphology (non-sterilized and 10 kGy) to globular-like morphology (20 and 30 kGy) to dull-edged coralline-like morphology (40 and 80 kGy).",

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