氧化铝基体上羟基磷灰石/氟羟基磷灰石双层涂层的制备及性能

硅酸盐通报 ›› 2009, Vol. 28 ›› Issue (6): 1177-1181.

氧化铝基体上羟基磷灰石/氟羟基磷灰石双层涂层的制备及性能

朱庆霞;谭顺彦;徐琼琼

景德镇陶瓷学院,景德镇,333001

出版日期:2009-12-15 发布日期:2021-01-15
基金资助:
景德镇陶瓷学院博士启动基金

Processing and Performance of Hydroxyapatite/Hydroxyfluorapatite Double Layer Coating on Alumina

ZHU Qing-xia;TAN Shun-yan;XU Qiong-qiong

Online:2009-12-15 Published:2021-01-15

摘要/Abstract

摘要： 通过涂覆-烧结法在氧化铝(Al_2O_3)表面制得羟基磷灰石(HA)/氟羟基磷灰石(FHA)双层涂层,HA和FHA重复沉积在氧化铝基体上形成均匀涂层,然后在1300 ℃进行热处理.在此过程中,如果没有FHA中间层,HA会和Al_2O_3发生严重的反应,形成磷酸三钙和钙铝化合物.SEM、XRD及粘接拉伸试验表明:FHA中间层能有效地抑制HA与Al_2O_3的反应,所获得的双层涂层具有多孔粗糙的表面,但与Al_2O_3基体结合紧密.涂层经1300 ℃热处理后,其结合强度约为30 MPa.

关键词: 羟基磷灰石;氟羟基磷灰石;涂层;结合强度;氧化铝

Abstract: A hydroxyapatite/hydroxyfluorapatite (HA/FHA) double layer was coated on Al_2O_3 by a powder slurry method. Each layer(HA,FHA) was deposited on Al_2O_3 repeatedly to induce a uniform layer and the final heat treatment was carried out above 1300 ℃ to consolidate the coating layer. During this process, without the FHA-intermediate layer, a severe reaction between HA and Al_2O_3 occurred to form tri-calcium phosphate and calcium aluminates. SEM, XRD and bonding tests of the coatings were performed. The results showed that the FHA layer between the HA layer and the Al_2O_3 substrate was effective in suppressing the reaction between HA and Al_2O_3.The obtained HA/FHA double coating was micro-porous and relatively rough, but was firmly adhered to the Al_2O_3 substrate, having a bonding strength of approximately 30 MPa after heat treatment above 1300 ℃.

Key words: hydroxyapatite%hydroxyfluorapatite%coating%bonding strength%alumina

中图分类号:

R318

朱庆霞;谭顺彦;徐琼琼. 氧化铝基体上羟基磷灰石/氟羟基磷灰石双层涂层的制备及性能[J]. 硅酸盐通报, 2009, 28(6): 1177-1181.

ZHU Qing-xia;TAN Shun-yan;XU Qiong-qiong. Processing and Performance of Hydroxyapatite/Hydroxyfluorapatite Double Layer Coating on Alumina[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2009, 28(6): 1177-1181.

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