Limitations and advantages of radiographic testing
时间:2019-10-17 09:47 来源:未知 作者:admin 点击:次
 Limitations Equipment can be bulky and heavy Radiation hazards Testing area needs to be controlled access Access may be required to both sides of object May not detect critical flaws Results require interpreting by experienced person Gamma results inferior to X-ray results Gamma less sensitive than X-ray,especially on thin materials Not suitable for certain configurations, e.g.tee joint Advantages Volumetric inspection Can detect surface and subsurface flaws Permanent records Good quality control method (责任编辑：admin) |