关于征选第十三届全国工程建设系统职业技能竞赛指定产品的公告

Research status of electron beam freeform fabrication

各焊接设备、无损检测仪器、焊接劳动防护用品及其他焊接器材生产厂家：＂第十三届全国工程建设系统职业技能竞赛＂将于2017年在陕西省西安市陕西化建工程有限责任公司举行,竞赛预备大会也将于2016年3月在此地召开。为了保证竞赛的顺利举行及向我国工程建设领域的各行业、各企业推广性能优异、质量可靠的焊接设备、无损检测仪器、焊接劳动防护用品和其他焊接器材。

Electron beam freeform fabrication（EBFFF）is considered as the most suitable method for large-scale metal additive mamlfacturing,due to the high efficiency,vacumn environment,good inside quality and muhifunction manufacturing,which has been a subject of interest in recent years. This paper is based on analysis of features of EBFFF. A summary of the research status of EBFFF has been conducted and the key points of research in future are also proposed.