Free-cutting titanium material and preparation process thereof
The addition of specific free-cutting components to titanium material forms stable phases that enhance thermal conductivity and chip breaking, addressing poor machinability issues, resulting in improved cutting efficiency and precision.
US20260139347A1Pending Publication Date: 2026-05-21HUIZHOU ZHIJING PRECISION TECH CO LTD +2
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Patent Information
- Authority / Receiving Office
- US · United States
- Patent Type
- Applications(United States)
- Current Assignee / Owner
- HUIZHOU ZHIJING PRECISION TECH CO LTD
- Filing Date
- 2026-01-15
- Publication Date
- 2026-05-21
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Figure US20260139347A1-D00000_ABST
Abstract
A free-cutting titanium material and a preparation process thereof are provided. The free-cutting titanium material includes a matrix component group and a free-cutting component group, and at least one free-cutting component group is added to the matrix component group; the matrix component group includes the following in percentage by mass: iron (Fe): 0-1.0%; nitrogen (N): 0-0.08%; hydrogen (H): 0-0.02%; oxygen (O): 0-0.50%; aluminium (Al): 0-8.0%; vanadium (V): 0-15.0%, and a balance being titanium and unavoidable impurities; and the free-cutting component group respectively refers to: a rare earth (RE) and sulfur (S) group, a copper (Cu) and S group, a zirconium (Zr) group, a carbon (C) group, a boron (B) group, or a magnesium (Mg) group. The free-cutting titanium material is prepared by any one of three methods: vacuum consumable melting, vacuum suspension melting, and powder metallurgy. The present disclosure enhances the machinability of the titanium material.
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