Abstract
The search for environmentally neutral construction materials is an important aim of science from the middle of the XX century. We elaborated the method of the smelting of the new alloy Ti-20Nb-10Ta-5Zr. The Ti-20Nb-10Ta-5Zr was a β-phase alloy with an ~550 MPa yield strength, an ~700 MPa of ultimate strength and >50 GPa Young’s modulus. The Ti-20Nb-10Ta-5Zr alloy did not generate reactive oxygen species in contradistinction to the widely used NiTi. The biocompatibility of Ti-20Nb-10Ta-5Zr was studied. The human cell line cultured on the alloy showed a high mitotic index (2.2%) and a low cytotoxicity (<4% dead cells). The 30 days of the cultivation of the plants near the Ti-20Nb-10Ta-5Zr blanks did not influence the morphology and plants area. Therefore, Ti-20Nb-10Ta-5Zr may be considered as a material for the manufacture of environmentally neutral greenhouses of a new generation.
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