增材制造　金属粉末再利用技术规范 Additive manufacturing—Technical specification for reuse of metal powder  ICS  25.030 CCS  H 70   中华人民共和国国家标准 GB/T 44194—2024 2024-07-2 4发布 2024-07-2 4实施     国家市场监督管理总局 国家标准化管理委员会 发 布目　　次 前言   ·····································································································   Ⅲ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     一般要求   ······························································································   2      4.1     再利用策略   ······················································································   2      4.2     检测要求   ·························································································   2      4.3     过程实施要点   ····················································································   2 5     粉末再利用策略   ······················································································   2      5.1     一次性使用粉末   ·················································································   2      5.2     单次填装粉末循环使用（策略1）   ·······························································   2      5.3     每次成形补充原始粉末（策略2）   ·······························································   3      5.4     按照频率补充原始粉末（策略3）   ·······························································   4      5.5     隔离、递减消耗且不补充原始粉末（策略4）   ··················································   5      5.6     隔离、递减消耗且补充原始粉末（策略5）   ·····················································   6 6     检测要求   ······························································································   7      6.1     分类   ······························································································   7      6.2     检测   ······························································································   7      6.3     取样   ······························································································   8      6.4     结果判定   ·························································································   8 7     粉末再利用过程控制要求   ············································································   8      7.1     关键变量   ·························································································   8      7.2     工艺环境   ·························································································   8      7.3     粉末处理装置校准和验证   ········································································   8      7.4     粉末处理装置维护   ···············································································   8      7.5     污染物控制   ······················································································   9      7.6     过程记录   ·························································································   9 附录A （资料性）    再利用策略对比   ··································································   10 附录B （资料性）    再利用过程变量   ··································································   11 附录C （资料性）    校准和验证要求   ··································································   14 GB/T 44194—2024     Ⅰ 前　　言 本文件按照GB/T 1.1—2020《标准化工作导则　第1部分：标准化文件的结构和起草规则》的规 定起草。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。 本文件由中国机械工业联合会提出。 本文件由全国增材制造标准化技术委员会（SAC/TC 562）归口。 本文件起草单位：中国航发商用航空发动机有限责任公司、西安增材制造国家研究院有限公司、 无锡市检验检测认证研究院、南京航空航天大学无锡研究院、浙江闪铸集团有限公司、北京煜鼎增材制 造研究院股份有限公司、国营芜湖机械厂、中国核动力研究设计院、中航迈特增材科技（北京）有限公 司、中国食品药品检定研究院、北京动力机械研究所、中机研标准技术研究院（北京）有限公司、太行 国家实验室、南京航空航天大学、中国船级社、西北有色金属研究院、上海材料研究所有限公司、南京 铖联激光科技有限公司、南京尚吉增材制造研究院有限公司、北京市春立正达医疗器械股份有限公司、 厦门汉印股份有限公司、石嘴山市宝马兴庆特种合金有限公司、西安赛隆增材技术股份有限公司。 本文件主要起草人：何艳丽、雷力明、侯颖、张栋兵、胡娟、沈理达、李皓峰、钱婷婷、董定平、 何戈宁、高正江、王健、马瑞、薛莲、石磊、戴宁、周瀚森、张学哲、杨启云、王林、陈小龙