In this study, the effect of thermomechanical processing on microstructure evolution of the indium-containing β-type Ti alloys (Ti-40Nb)-3.5In and (Ti-36Nb)-3.5In was examined. Both alloys show an increased β-phase stability compared to binary alloys due to In additions. This leads to a reduced α’’-phase fraction in the solution treated and recrystallized state in the case of (Ti-36Nb)-3.5In and to the suppression of stress-induced α’’ formation and deformation twinning for (Ti-40Nb)-3.5In. The mechanical properties of the alloys were subsequently studied by quasistatic tensile tests in the recrystallized state, revealing reduced Young's modulus values of 58 GPa ((Ti-40Nb)-3.5In) and 56 GPa ((Ti-36Nb)-3.5In) compared to 60 GPa as determined for Ti-40Nb. For both In-containing alloys the ultimate tensile strength is in the range of 560 MPa. Due to the suppressed α’’ formation, (Ti-40Nb)-3.5In exhibits a linear elastic deformation behavior during tensile loading together with a low Young's modulus and is therefore promising for load-bearing implants.

在这项研究中，研究了热机械加工对含铟的β型Ti合金（Ti-40Nb）-3.5In和（Ti-36Nb）-3.5In的组织演变的影响。与二元合金相比，由于添加，两种合金都表现出增强的β相稳定性。在（Ti-36Nb）-3.5In的情况下，这导致固溶处理和重结晶状态下的α''相分数减少，并且（Ti-40Nb）的应力诱导α''形成和形变孪晶得到抑制）-3.5英寸 随后通过在重结晶状态下的准静态拉伸试验研究了合金的机械性能，发现与之相比，降低后的杨氏模量值分别为58 GPa（（Ti-40Nb）-3.5In）和56 GPa（（Ti-36Nb）-3.5In） Ti-40Nb的测定值可达60 GPa。对于两种含In的合金，极限抗拉强度在560MPa的范围内。