文档介绍：陶瓷材料
当缺乏严谨的科学事实信息的关节总对制造材料的是谣言所取代，既混淆了医生和病人。”
CONTENTS 目录
What is ceramic 什么是陶瓷
Characteristics of crittle; the body does not tolerate them! 商业陶瓷产品不仅脆，身体不容许他们！
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MEDICAL GRADE CERAMIC 医药级陶瓷
Advantages and risks 优势与风险 Ceramics used for total hip joints surfaces (medical grade ceramics) are solid materials composed of pure crystals of aluminum or zirconium oxides. Such ceramics are the most chemically and biologically inert of all materials. 陶瓷用于全髋关节表面（医疗级陶瓷）的锆氧化物或铝固体纯晶体材料组成。这种陶瓷是最化学和生物惰性的所有材料。 They are not only inert, they are also stiff, strong, and hard. 他们不仅是惰性，他们也硬，强，硬。 For example, the only substance harder than aluminum oxide is diamond. 举例来说，唯一的困难比铝氧化物质是金刚石。
Thus ceramic are very resistant to scratches from the tiny particles that occasionally land between the artificial joint surfaces, be it particles of bone cement or metal. 因此，陶瓷是很耐划痕联合填平，从微小的颗粒，偶尔人工之间的土地，无论是金属颗粒骨水泥或。 The mechanical law states that the harder the surfaces coupled together are the less wear the coupling system produces. 力学定律指出，越是在一起表面磨损越少，加上是系统产生的耦合。 Thus total hip with ceramics surfaces produces very low rates of wear particles. 因此，陶瓷表面与生产的全髋关节磨损颗粒非常低的利率。 Ceramics also attract fluid on their surface so that couplings made of ceramic have low friction resistance. 陶瓷表面的液体也吸引他们，使陶瓷的接头作出有低摩擦性能。
The main disadvantage of medical ceramic materials is their fragility. 陶瓷材料的主要缺点是其脆弱的医疗。 The ceramic materials cannot deform under the stress, as can do plastics and metals. 陶瓷材料变形不能下的压力，因为可以做塑料和金属。 When the stress acting on medical ceramic materials exceeds a certain limit, ceramic material bursts, formally explodes in many splinters. See Picture of burst ceramic ball of a failed ceramic total hip. 当应力作用于医疗陶瓷材料超过一定限度，陶瓷材料破裂，许多碎片正式爆炸英寸查看图片陶瓷球爆裂一个失败的陶瓷人工髋关节。
Such burst fractures of ceramic components of the total hips were observed in the past due to the poor quality of the ceramic material of that time. 这种爆裂骨折的观察总髋陶瓷元件过去由于质量差，当时的陶瓷材料。 However, even the modern