Medical Implant

Ti-Zr Alloys Offer Superior Biocompatibility and Strength

As modern medical technology advances, demand for safe and lightweight materials grows rapidly. Traditionally, lead and tin-based metals were used in shielding applications. However, due to toxicity and weight concerns, the focus has shifted toward biocompatible metals.

Titanium and zirconium are at the forefront of this shift. Both metals show excellent in vivo stability. When combined, Ti-Zr alloys deliver enhanced mechanical strength and corrosion resistance. This synergy makes them ideal for dental implants. Importantly, these alloys minimize the risk of immune responses or inflammation.

Ti-Zr alloys offer higher tensile and fatigue strength than conventional pure titanium. This reduces fracture risks, especially under repetitive chewing forces. The oral cavity constantly experiences stress. Therefore, fatigue life plays a critical role in implant success. Zirconium's addition ensures a dense microstructure, boosting durability.


Ti-Zr Alloys Promote Faster Recovery and Precision Machining

Ti-Zr alloys are also known for their superior bone cell adhesion. Their stable surface oxide film interacts favorably with body fluids and tissues. This promotes faster healing and lowers long-term implant failure rates. Moreover, these alloys are hypoallergenic, offering safety for immunosensitive patients.

Dental implants require various designs—from threaded screws to abutments and prosthetics. Ti-Zr alloys meet these needs with excellent machinability and fatigue resistance. This makes complex dental structures possible and durable.

The performance of Ti-Zr alloys can be fine-tuned by zirconium content. Alloys with 13–17% zirconium show the most stable strength, hardness, and ductility. Designers can adjust zirconium levels to optimize corrosion resistance and mechanical behavior. This flexibility supports tailored applications in dentistry.

In global markets like the U.S., Europe, and Japan, Ti-Zr alloys are becoming a new standard. With aging populations, demand for reliable implants is rising. These alloys meet that demand with proven biocompatibility and mechanical performance.

However, in Korea, domestic production of Ti-Zr alloys remains limited. The industry still depends heavily on imports. Dong-A Specialty Metals emphasizes the importance of internalizing this key technology. Localization will improve cost-efficiency and reduce supply chain vulnerabilities.

Investing in Ti-Zr alloy development strengthens Korea’s competitiveness in the medical industry. It also aligns with ESG principles by supporting sustainable and eco-friendly materials. Dong-A Specialty Metals continues to lead this movement by supporting innovation and localization of high-performance medical alloys.




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Ltd. is selling titanium (titanium) sponge substitutes for research and alloying on its smart store in order to localize the material in Korea. We look forward to your interest and support. Thank you.


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