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DOI:
钛工业进展:2020,37(5):43-48
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3D打印钛合金薄壁构件的研究进展
A Review of Thin-wall Components of Titanium Alloy Fabricated by 3D Printing Technology
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中文摘要: 钛合金薄壁构件具有质量轻、结构紧凑等优势,然而因其轴向尺寸大、壁厚薄和形状复杂等几何特征,传统成形技术在成形薄壁构件时流程长、工艺复杂,严重限制了钛合金薄壁构件的应用。金属粉床3D打印技术可快速成形复杂异形零部件。为此,对电子束选区熔化技术(SEBM)和激光选区熔化技术(SLM)的成形能力和成形钛合金薄壁构件的微观组织、力学性能和表面粗糙度进行综述,并分析3D打印高性能精密复杂整体钛合金薄壁构件的发展趋势,为轻量化钛合金薄壁构件在高端装备上的应用提供参考。
Abstract:Thin-walled components of titanium alloy are under the advantages of lightweight and compact structure.However,due to the geometric characteristics of large axial dimensions,thin-wall thickness and complex shapes,traditional forming techniques has a long and complicated process when forming thin-walled components,which severely limited the application of thin-walled parts. The 3 D printing technology can quickly manufacture the complex specialshaped components. The forming capabilities of selective electron beam melting( SEBM) and selective laser melting( SLM) and the microstructure,mechanical properties and surface roughness of titanium alloy thin-walled components were reviewed. The development trend of precision and complex integral thin-walled components of titanium alloy made by 3 D printing was analyzed,providing reference for the application of lightweight titanium alloy thin-walled components in high-end equipment.
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基金项目:国家自然科学基金项目(51671152,51874225,51504191); 钒钛资源综合利用国家重点实验室开放基金项目(438018007)
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