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| Research status and development trends of binder jetting printing technology |
| QIAN Yuhang1,2, LUO Xia1,3,4, CHEN Jingyu1, FAN Zhou1, HUANG Bensheng1, ZHANG Liang2, HUANG Ruo3,4, ZHANG Weizheng4 |
1. School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China;
2. Institute of Intelligent Manufacturing Technology, Shenzhen Polytechnic University, Shenzhen 518055, China;
3. Pingxiang Huicheng Precision Machinery & Electronic Co.,Ltd., Pingxiang 337000, China;
4. School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China |
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Abstract Binder jetting (BJ) is an additive manufacturing technology that involves jetting liquid binder onto the layers of powder materials to selectively bond the powder and form a shape, then followed by densification processing. In recent years, BJ technology has received widespread attention and research due to its high efficiency, low cost, and wide range of applicable materials. During the BJ process, factors such as powder characteristics, binder and its interactions with the powder bed, as well as printing parameters, have crucial impacts on the quality and performance of the green body. Additionally, the sintering process is one of the key factors affecting the quality of the final component. This study summarizes the influencing factors of BJ printing and proposes the use of machine learning to assist in predicting the green body quality and sintering shrinkage, enabling shape and property control. Currently, BJ technology is being promoted in industries such as automotive and medical devices. In the future,the key to the large-scale application of BJ technology lies in improving the quality and precision of the green body, enhancing the bonding strength between the binder and the body, and optimizing the post-processing techniques.
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Received: 12 September 2024
Published: 05 February 2025
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2024, Vol. 29 
