The SPPT improves the ultimate tensile strength by 3.5%, and elongation to failure by 25.7% .

超塑预处理使合金抗拉强度提高不很明显，仅为3.5%，而塑性提高了25.7%。

youdao

SPPT makes the ultimate tensile strength and the plasticity of the alloy increased by 3.5% and 25.7% respectively.

经超塑性预处理后合金在保持较高塑性的同时也有较高的强度，比传统处理工艺在强度上提高3.5%，塑性提高25.7%。

youdao

SPPT makes the ultimate tensile strength and the plasticity of the alloy increased by 3.5% and 25.7% respectively.

经超塑性预处理后合金在保持较高塑性的同时也有较高的强度，比传统处理工艺在强度上提高3.5%，塑性提高25.7%。

youdao