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首页> 外文会议>Eighth International Fatigue Congress Vol.3, Jun 3-7, 2002, Stockholm, Sweden >FATIGUE WEAR OF BIOMATERIALS
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FATIGUE WEAR OF BIOMATERIALS

机译：生物材料的疲劳磨损

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摘要

Fatigue fracture and wear are major problems associated with implant failure. The actual in vivo mechanisms are complex and involve the hostile body environment. Increasing hardness and fatigue resistance of the material may only be a partial solution. New materials are constantly being developed. Design of fatigue wear resistant biomaterials is hampered by the lack of understanding of the mechanics at sub-surfaces. The development of fatigue fracture and wear resistant biomaterials is towards biocomposite systems with different phases to cope with the conflicting properties. The challenge is developing engineering solutions to take care of wear debris rather than eliminating wear debris, to produce lubricating film as the material wears and to develop new complex mutiaxial testing methods for fracture-wear evaluation which are closer to physiologic loading.
机译：疲劳断裂和磨损是与植入物失败相关的主要问题。实际的体内机制是复杂的，并且涉及敌对的身体环境。增加材料的硬度和抗疲劳性只能是部分解决方案。新材料正在不断开发中。疲劳磨损生物材料的设计因缺乏对次表面力学的理解而受到阻碍。疲劳断裂和耐磨生物材料的发展趋向于具有不同相的生物复合材料系统，以应对相互矛盾的特性。面临的挑战是开发工程解决方案，以照顾磨损碎片而不是消除磨损碎片，在材料磨损时产生润滑膜，并开发用于断裂磨损评估的更复杂的多轴测试方法，这些方法更接近于生理负荷。

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