LOW-TEMPERATURE CREEP OF TI-6 AL-4 V

被引：95

作者：

ODEGARD, BC ^{[1
]}

THOMPSON, AW ^{[1
]}

机构：

[1] SANDIA LABS,LIVERMORE,CA 94550

来源：

METALLURGICAL TRANSACTIONS | 1974年 / 5卷 / 05期

关键词：

D O I：

10.1007/BF02644335

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Creep tests were conducted at 295K on Ti-6Al-4V in the solution treated and aged and in the as-welded condition. Some aged specimens were tested after prestraining. Creep stresses ranged from 40 to 90% of the yield strength of the aged material. Results showed that creep was of the primary or transient kind in all cases, and was much greater in welded than in aged material. In general, prestrains reduced creep, although a strain larger than 10** minus **3 was needed to do this at the highest creep stress. The microstructural rationale applied to Ti-5Al-2. 5Sn in earlier work, based on the character of dislocation sources, proved successful in understanding the effects of prestrain in this work.

引用

页码：1207 / 1213

页数：7

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