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Zinc-based calcium phosphate medical composite material and preparation method and application thereof
The invention discloses a zinc-based-calcium phosphate medical composite material and a preparation method and application thereof.The preparation method comprises the steps that a zinc metal ingot is subjected to annealing treatment, an annealed ingot is obtained, a calcium phosphate prefabricated part, the annealed ingot, a zirconium oxide disc, graphite paper and a piston are sequentially placed in a closed mold from bottom to top, then the mold is placed in an SPS device, and the zinc-based-calcium phosphate medical composite material is obtained. The zinc-based-calcium phosphate medical composite material is obtained by carrying out infiltration sintering in a vacuum atmosphere, in the infiltration sintering process, the temperature is firstly increased to 450-670 DEG C, then current with the strength of 30-50 A is applied once every 2-8 ms, the time of any time of current application is 10-12 ms, and the total time is 5-30 min. According to the preparation method, the difficulty that liquid metal is difficult to efficiently infiltrate due to low mechanical strength of a prefabricated part is overcome by utilizing current-assisted metal infiltration, so that the biodegradable zinc-based-calcium phosphate composite material with excellent comprehensive performance is obtained.
本发明公开了一种锌基‑磷酸钙医用复合材料及其制备方法和应用，所述制备方法为：将锌金属锭进行退火处理，获得退火锭，将磷酸钙预制件、退火锭、氧化锆盘、石墨纸、活塞由下至上依次置于封闭模具中，然后将模具置于SPS装置中，于真空气氛下熔渗烧结即得锌基‑磷酸钙医用复合材料，所述熔渗烧结的过程中，先升温至450～670℃，然后每间隔2‑8ms，施加一次强度为30‑50A的电流，任意一次施加电流的时间为10‑12ms，总时间为5～30min。本发明利用电流辅助金属溶渗克服了因预制件的机械强度低使液态金属难以高效溶渗的困难，从而获得综合性能优异的生物可降解锌基‑磷酸钙复合材料。
Zinc-based calcium phosphate medical composite material and preparation method and application thereof
The invention discloses a zinc-based-calcium phosphate medical composite material and a preparation method and application thereof.The preparation method comprises the steps that a zinc metal ingot is subjected to annealing treatment, an annealed ingot is obtained, a calcium phosphate prefabricated part, the annealed ingot, a zirconium oxide disc, graphite paper and a piston are sequentially placed in a closed mold from bottom to top, then the mold is placed in an SPS device, and the zinc-based-calcium phosphate medical composite material is obtained. The zinc-based-calcium phosphate medical composite material is obtained by carrying out infiltration sintering in a vacuum atmosphere, in the infiltration sintering process, the temperature is firstly increased to 450-670 DEG C, then current with the strength of 30-50 A is applied once every 2-8 ms, the time of any time of current application is 10-12 ms, and the total time is 5-30 min. According to the preparation method, the difficulty that liquid metal is difficult to efficiently infiltrate due to low mechanical strength of a prefabricated part is overcome by utilizing current-assisted metal infiltration, so that the biodegradable zinc-based-calcium phosphate composite material with excellent comprehensive performance is obtained.
本发明公开了一种锌基‑磷酸钙医用复合材料及其制备方法和应用，所述制备方法为：将锌金属锭进行退火处理，获得退火锭，将磷酸钙预制件、退火锭、氧化锆盘、石墨纸、活塞由下至上依次置于封闭模具中，然后将模具置于SPS装置中，于真空气氛下熔渗烧结即得锌基‑磷酸钙医用复合材料，所述熔渗烧结的过程中，先升温至450～670℃，然后每间隔2‑8ms，施加一次强度为30‑50A的电流，任意一次施加电流的时间为10‑12ms，总时间为5～30min。本发明利用电流辅助金属溶渗克服了因预制件的机械强度低使液态金属难以高效溶渗的困难，从而获得综合性能优异的生物可降解锌基‑磷酸钙复合材料。
Zinc-based calcium phosphate medical composite material and preparation method and application thereof
一种锌基-磷酸钙医用复合材料及其制备方法和应用
DAI YILONG (author) / NIU KUNNING (author) / ZHANG DECHUANG (author) / LIN JIANGUO (author)
2022-09-06
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
A61L
Verfahren oder Vorrichtungen zum Sterilisieren von Stoffen oder Gegenständen allgemein
,
METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL
/
B33Y
ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
,
Additive (generative) Fertigung, d. h. die Herstellung von dreidimensionalen [3D] Bauteilen durch additive Abscheidung, additive Agglomeration oder additive Schichtung, z. B. durch 3D- Drucken, Stereolithografie oder selektives Lasersintern
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