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[Study of the mechanical properties of CP Ti ceramic alloy after recasts].

作者信息

Yang Song, Cheng Hui, Li Xiu-rong, Wu Wei-qing, Zheng Ming, Wang Ying-hui

机构信息

Department of Prosthodontics,Affiliated Stomatology Hospital of Fujian Medical University. Fuzhou 350002,China.E-mail:

出版信息

Shanghai Kou Qiang Yi Xue. 2014 Dec;23(6):651-3.

PMID:25636276
Abstract

PURPOSE

To investigate the influences of repeated casting on the mechanical properties of CP Ti ceramic alloy.

METHODS

CP Ti ceramic alloy samples were prepared and recast 3 times without adding any new CP Ti ceramic alloy. The physical properties of each specimen were measured. SPPPSS13.0 software package was used for statistical analysis.

RESULTS

No significant difference was found on the flexural strength of the CP Ti ceramic alloys that had been cast 2 or 3 times, compared with that of the alloys being cast only 1 time (P>0.05). However, the flexural modulus, tensile strength, 0.2% yield strength and surface microhardness of the CP Ti alloys being cast 2 or 3 times were significantly higher than those of the alloys being cast only 1 time (P<0.05). Elongation of the CP Ti alloys being cast 2 or 3 times was significantly lower than that of the alloys being cast only 1 time (P<0.05).

CONCLUSIONS

Recasting may cause decreases in tensile properties of CP Ti ceramic alloy.

摘要

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