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Deyiwei Achieves Mass Production of Tungsten-Nickel-Iron Alloys via Binder Jetting

2026-06-18 · Impact score: 40

Deyiwei 3D Printing Technology has successfully achieved mass production of tungsten-nickel-iron alloy components, including series 93WNiFe and 95WNiFe, using binder jetting (BJ) 3D printing combined with sintering. Measured data show: 93WNiFe-A tensile strength 1000±50MPa, yield strength 850±50MPa, elongation 12%; 93WNiFe-B tensile strength 916MPa, elongation 20%; 95WNiFe tensile strength 893MPa, elongation 8.6%. Compared to traditional powder metallurgy and high-energy beam 3D printing, Deyiwei's BJ process offers significant advantages: near-net shape manufacturing enables thin-walled, irregular, and complex internal cavity components; unbonded powder is nearly 100% recyclable; and room-temperature printing eliminates thermal cracking risks. The team has achieved key technological breakthroughs: optimizing powder and binder systems to increase green density above 58%, and applying characterization-based digital compensation technology to solve issues such as narrow sintering windows, warping, and dimensional drift for high-tungsten alloys. Products are widely used in aerospace counterweights, radiation shielding, precision equipment, and medical shielding applications.

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德亿纬粘结剂喷射打印钨镍铁合金实现量产

德亿纬三维打印科技依托粘结剂喷射（BJ）3D打印结合烧结工艺，成功量产93WNiFe、95WNiFe等系列钨镍铁合金构件。实测数据，93WNiFe-A抗拉强度1000±50MPa、屈服强度850±50MPa、延伸率12%；93WNiFe-B抗拉强度916MPa、延伸率20%；95WNiFe抗拉强度893MPa、延伸率8.6%。相比传统粉末冶金与高能束3D打印，德亿纬BJ工艺优势突出，近净成型可制备薄壁、异形、复杂内腔构件；未粘结粉末可近乎100%回收；全程室温打印避免热裂纹风险。团队完成关键技术突破：优化粉体与粘结剂体系将生坯密度提升至58%以上；结合特征化数字补偿技术解决高钨合金烧结窗口窄、翘曲、尺寸漂移等问题。产品广泛应用于航空航天配重、辐射防护、精密装备、医疗屏蔽等领域。

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