Ti2448 Titanium Alloy Bar

Ti2448 Titanium Alloy Bar is a metastable β-type titanium alloy that exhibits excellent mechanical properties and biocompatibility, offering significant application potential in the biomedical field. The decomposition mechanism through a continuous transformation of the crystal structure grants this alloy exceptional characteristics such as high strength, low modulus, nonlinear elastic deformation, superelasticity, and a wide temperature range for adjustable thermal expansion. By employing heat treatment to adjust the decomposition process, the mechanical properties and functional characteristics of this alloy can be effectively improved. Oxygen, as a solute atom, not only influences the plastic deformation mechanism of titanium alloys but also affects their microstructural evolution, making it an effective means to optimize the mechanical properties of titanium alloys.

1. Chemical Composition (wt%) see Table 1.

2. Mechanical Properties

The tensile properties and fracture toughness of Ti2448 Titanium Alloy Bar in different orientations are shown in Table 2. 

The tensile strength of Ti2448 titanium alloy bars at various temperatures is shown in Table 3.

Ti2448 Titanium Alloy Bar by introducing neutral elements Zr and Sn, can stabilize the single β phase at room temperature with an e/a of 4.15, resulting in a β-type titanium alloy with a lower modulus of about (approximately 42 GPa). The composition of this alloy effectively inhibits the formation of the ω phase, making it suitable for biomedical applications. In addition to its low modulus, it also exhibits high strength and super-elasticity, presenting a promising application in orthopedic implants and dental implants. Experimental results show that when Ti2448 and Ti-6Al-4V alloys are used simultaneously as tibial implants in rabbits, Ti2448 can better promote new bone growth.

In biomedical materials, Ti2448 Titanium Alloy Bar have very good biocompatibility, corrosion resistance, and low elastic modulus, which give them a promising application prospect in the biomedical field. Their specific applications include: human implants such as artificial hip joints, artificial heart valves, dental implants, etc.; and surgical tools such as scalpel blades, forceps, dental equipment, etc. An example of human implants made from titanium alloys is shown in the figure 1 and 2.

Ti2448 Titanium Alloy Bar is produced by melting sponge Ti, sponge Zr, pure Nb, and Ti-Sn intermediate alloy in a vacuum consumable arc furnace. To eliminate composition segregation, it is usually melted three times. After obtaining a 380mm diameter ingot, it is forged at a temperature of 1123K to obtain a Ti2448 alloy bar with a diameter of 55mm. Finally, the obtained bar is processed at 1073K to produce a thermally processed alloy round rod with a diameter of 12mm.

Shaanxi Hangyu Nonferrous Metal Processing Co., Ltd. was established in December 2005. It is a high-tech enterprise mainly forging and deep processing of precision parts such as titanium and titanium alloys, nickel, zirconium and other non-ferrous metal materials. Its product scope covers aerospace, weapons, marine equipment and petrochemical fields. The production capacity of titanium and titanium alloy rods, forgings and plates reaches 3,000 tons/year, and the machine-added capacity of non-ferrous metal precision parts reaches 500,000 pieces/year, and has the ability to deep processing of the entire industrial chain from titanium and titanium alloy raw materials to precision parts.

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