华盛顿州立大学研究人员利用人工智能在超过1亿种3D打印配置中进行搜索，仅通过40次实验就找到了6种成功打印方案1。其中最关键的突破是首次以500瓦激光功率成功打印了GRCop-42合金，这是由NASA开发的高性能火箭合金，由铜、铬和铌组成1。该成就使这一关键材料得以在普通商用3D打印设备上制造，显著降低了生产成本并扩大了应用范围1。
此前，约90%的商用打印机都无法打印GRCop-42合金1。该研究成果已发表在《AAAI人工智能会议论文集》2026年第40卷第47期，并获得了AAAI年会创新部署应用奖1。研究项目由Jana Doppa教授领导1。
Researchers at Washington State University have leveraged artificial intelligence to discover more economical approaches to manufacturing a high-performance aerospace material.1 By searching through over 100 million possible 3D printing configurations, the team identified six successful setups using only 40 experiments.1 Notably, this work marks the first successful printing of NASA's GRCop-42 alloy at 500 watts of laser power.1
The GRCop-42 alloy, which comprises copper, chromium, and niobium, was developed by NASA for demanding aerospace applications.1 Prior to this breakthrough, approximately 90 percent of commercial 3D printers were unable to process this material.1 The new findings enable the alloy to be printed on standard commercial equipment, substantially reducing production costs and expanding potential applications.1
The research, led by Professor Jana Doppa, has been published in the Proceedings of the AAAI Conference on Artificial Intelligence, Volume 40, Issue 47, 2026.1 The work was recognized with the AAAI Conference's Innovative Application Award.1
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