The result showed that the thermal expansion coefficient can be adjusted by inducing B_2O_3 (5%-15%).

• 试验结果表明；系统中引入B_2O_3能够起到调节热膨胀系数的作用；其中6P64-B5-F4的热膨胀系数为10.；1×10~(-6)/℃；与Ti6Al4V的热膨胀系数最为接近;