铸造技术2024，Vol.45Issue(2)：148-156,9.DOI:10.16410/j.issn1000-8365.2024.3238
热处理对石墨烯调控3D打印多孔钛组织与性能的影响
Effect of Heat Treatment on the Structure and Properties of Graphene Controlled 3D-printed Porous Titanium
摘要
Abstract
The traditional fabrication process for porous titanium has certain flaws,which results in difficulty in replicating and reproducing the structure and properties of porous titanium materials.In this study,after the annealing treatment of porous titanium,no phase transition occurs in either the porous pure titanium formed by selective laser melting(SLM)or the porous titanium with added graphene.The microstructure of the porous pure titanium transforms from a lamellar α' phase to an equiaxed α phase,and the grain anisotropy disappears.For porous titanium with added graphene,the transformation occurs from a lamellar α' phase to an equiaxed α phase.The formed titanium carbide is dispersed throughout the titanium matrix,and residual graphene remains in the matrix due to the low annealing temperature.The mechanical and corrosion resistance properties of both the SLM-formed porous pure titanium and porous titanium with added graphene change after heat treatment.The Vickers hardness decreases,while the compressive strength of the porous titanium with added graphene increases to 345 MPa,a rise of 9.2％compared to that of the porous titanium before heat treatment.After heat treatment,the corrosion resistance of both the composite material with added graphene and the pure titanium material without graphene decreases.关键词
多孔材料/孔形状/增材制造/热处理Key words
porous materials/hole shape/additive manufacturing/heat treatment分类
矿业与冶金引用本文复制引用
黄歆,亢宁宁..热处理对石墨烯调控3D打印多孔钛组织与性能的影响[J].铸造技术,2024,45(2):148-156,9.基金项目
2020福建省中青年教师教育科研项目(科技类)(JAT201008) （科技类）
