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发明公开
CN106994471A 一种780MPa强度级电子束熔丝3D打印构件用钛合金丝材 无效 - 撤回

一种780MPa强度级电子束熔丝3D打印构件用钛合金丝材
摘要：
本发明公开一种780MPa 强度级电子束熔丝3D打印构件用钛合金丝材，采用合金元素Al和Zr强化α相，采用合金元素Nb和Mo强化β相，合金成分及重量百分比为Al：6.0%～7.0%；Nb：2.2%～3.5%；Zr：1.3%～2.6%；Mo：0.6% ～1.5%；Fe≤0.25%，Si≤0.15%，C≤0.10%，N≤0.05%，H≤0.015%，O≤0.15%；余量为Ti。本发明的钛合金丝材直径可达0.8mm，可以使电子束熔丝3D打印构件的抗拉强度达到780MPa以上、延伸率达到10%以上，综合性能满足海洋工程领域领域用电子束熔丝3D打印构件的设计及应用需要。
摘要（英）：

The invention discloses a titanium alloy wire used for a 780 MPa intensity level electron beam fuse 3D printing component. The alloy elements of Al and Zr are adopted or strengthening the alpha phase, and the alloy elements of Nb and Mo are used for strengthening the beta phase. Alloy components include, by weight percent, 6.0%-7.0% of Al, 2.2%-3.5% of Nb, 1.3%-2.6% of Zr, 0.6%-1.5% of Mo, smaller than or equal to 0.25% of Fe, smaller than or equal to 0.15% of Si, smaller than or equal to 0.10% of C, smaller than or equal to 0.05% of N, smaller than or equal to 0.015% of H, smaller than or equal to 0.15% of O and the balance Ti. The diameter of the titanium alloy wire can reach 0.8 mm, the tensile strength of the electron beam fuse 3D printing component can reach 780 MPa or higher, the ductility can reach 10% or higher, and the comprehensive performance meets the design and application requirement of the electron beam fuse 3D printing component used in the field of ocean engineering.

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