THE INTEGRITY AND DURABILITY OF STRUCTURES AND MACHINES

摘要：

The paper’s title relates to the difference in emphasis placed on ensuring the integrity of a structure, contrasted with that relating to the durability of a machine. The former is usually treated as a “one-off assessment: the latter is more involved with calculating the lifetime and specifying appropriate inspection periods. Integrity assessments do, of course, take account of changes with time and this is illustrated in the paper by considering the temporal variation of the assessment point on a Failure Assessment Diagram (FAD) and the factors affecting the movement in its position: both crack growth and changes in material properties. Probabilistic effects are also treated. Durability issues are addressed by detailed consideration of the “lifing of a turbine disc in a gas turbine, demonstrating the importance of initial defect size and its control. These principles are generally applicable to a wide range of other machine components.

作者: John Knott

作者单位: The University of Birmingham

会议类型: 国际会议

会议名称: 第九届工程结构完整性国际会议(The Ninth International Conference on Engineering Structural Integrity Assessment)

会议地点: 北京

会议语种:英文

在线出版日期: 2007-10-15（万方平台首次上网日期，不代表论文的发表时间）