超清版 GB/T 44194-2024 增材制造 金属粉末再利用技术规范

ICS 25.030
CCS H 70
中华人民共和国国家标准
GB/T 44194—2024
增材制造　金属粉末再利用技术规范
Additive manufacturing—Technical specification for reuse of metal powder
2024-07-24 发布2024-07-24 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 ··············································································