本PAS提供了用于定向能沉积（DED）的无损检测（NDT）指南 添加剂制造（AM）工艺和范围: •缺陷的典型原因和性质审查其他潜在相关标准（焊接）无损检测方法回顾？DED AM的能力新出现的无损检测技术，具有潜在的DED AM；以及•具有验证试验潜力的候选无损检测方法。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This PAS provides guidance on non-destructive testing (NDT) for use in directed energy deposition (DED) additive manufacturing (AM) processes and covers: • typical causes and the nature of defects;• review of other potentially relevant standards (welding);• review of NDT methods? capability for DED AM;• emerging NDT with potential for DED AM; and• shortlist NDT methods with potential for validation trials.All current amendments available at time of purchase are included with the purchase of this document.