无机非金属 Flashcards

1
Q

分类

A

生物惰性无机非金属材料—— 纤维包膜
生物活性无机非金属材料——骨性结合
生物可吸收和可降解无机非金属材料——骨置换

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2
Q

医用陶瓷的结构

A

结晶相
气相
玻璃相

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3
Q

医用陶瓷的制备过程

A

粉碎 混炼 成形 烧结

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4
Q

氧化铝陶瓷的结构

A

单晶体 菱面体
多晶体 刚玉结构(六方晶系)八面体

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5
Q

氧化铝陶瓷的制备

A

氧化铝粉体制备
氧化铝陶瓷成型与烧结
精加工

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6
Q

氧化锆陶瓷的结构

A

低温 单斜晶
高温 四方晶系 立方晶系

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7
Q

玻璃陶瓷又被称为什么 说说结构

A

微晶玻璃
结晶相 玻璃相

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8
Q

碳纤维属于什么材料 制备过程 特性

A

医用碳质材料

有机纤维(例如丙烯腈) 进行高温焙烧、张力牵引,脱H N形成黑色细丝

各向异性 柔软 耐高温 耐磨 耐腐蚀

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9
Q

生物活性无机非金属材料有哪些

A

羟基磷灰石陶瓷 生物活性玻璃玻璃陶瓷

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10
Q

羟基磷灰石的化学表达式和缩写

A

hap

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11
Q

HAP致密烧结体的应用 特性

A

人工听小骨置换
与人体骨相匹配的生物活性,生物相容性好,无毒,无排斥反应,不致癌,可降解,可与骨直接结合。

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12
Q

惰性生物玻璃陶瓷的概念

A

是在玻璃基质中加入晶核形成剂,并通过一定的热处理,使玻璃基质中有晶体生成,即形成玻璃与晶体共存的状态

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13
Q

生物活性玻璃玻璃陶瓷的成分

A

氧化硅氧化钙氧化磷系统

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14
Q

医用碳质材料的特性

A

质轻 良好润滑性和抗疲劳特性
弹性模量致密度与人体骨大致相同
生物相容性较好,良好的抗血凝性
良好的生物活性和耐腐蚀性,对人体组织力学刺激小

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15
Q

无机非金属可降解材料分类

A

磷酸三钙陶瓷 可溶性铝酸钙陶瓷

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16
Q

β-磷酸三钙的简称 化学表达式

A

β-TCP

17
Q

磷酸三钙的降解机理

A