GB/T 44194-2024Additive manufacturing—Technical specification for reuse of metal powder (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting is required.

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was proposed by the China Machinery Industry Federation.

This document is under the jurisdiction of the National Additive Manufacturing Standardization Technical Committee (SAC/TC 562).

This document was drafted by: AECC Commercial Aircraft Engine Co., Ltd., Xi'an National Research Institute of Additive Manufacturing Co., Ltd., Wuxi Inspection, Testing and Certification Institute, Nanjing University of Aeronautics and Astronautics Wuxi Research Institute, Zhejiang Flashcast Group Co., Ltd., Beijing Yuding Additive Manufacturing Co., Ltd.

China National Nuclear Corporation, China National Nuclear Corporation, China Avic-Mate Additive Technology (Beijing) Co., Ltd.

China Food and Drug Inspection Institute, Beijing Power Machinery Research Institute, China Machinery Research Institute of Standards and Technology (Beijing) Co., Ltd., Taihang National Laboratory, Nanjing University of Aeronautics and Astronautics, China Classification Society, Northwest Research Institute of Nonferrous Metals, Shanghai Institute of Materials Co., Ltd., Nanjing Chenglian Laser Technology Co., Ltd., Nanjing Shangji Additive Manufacturing Research Institute Co., Ltd., Beijing Chunlizhengda Medical Equipment Co., Ltd., Xiamen Hanyin Co., Ltd., Shizuishan BMW Xingqing Special Alloy Co., Ltd., and Xi'an Sailon Additive Technology Co., Ltd.

The main drafters of this document are: He Yanli, Lei Liming, Hou Ying, Zhang Dongbing, Hu Juan, Shen Lida, Li Haofeng, Qian Tingting, Dong Dingping, He Gongning, Gao Zhengjiang, Wang Jian, Ma Rui, Xue Lian, Shi Lei, Dai Ning, Zhou Hansen, Zhang Xuezhe, Yang Qiyun, Wang Lin, Chen Xiaolong, Xie Fengbao, Lin Jinyi, Wei Chuanglin, Che Qianying.

Technical Specifications for Recycling of Metal Powders for Additive Manufacturing

1 Scope

This document specifies the general requirements, strategies, testing requirements and process control requirements for the reuse of metal powders for additive manufacturing.

This document is applicable to the development and testing of metal powder reuse strategies for non-continuous, single-material powder bed fusion and directed energy deposition processes Determination and process control are required, and the reuse of other process powders can be referred to in the same way.

2 Normative references

GB/T 35351

GB/T 39251-2020

3 Terms and definitions

The terms and definitions defined in GB/T 35351 and GB/T 39251 and the following apply to this document.