STUDY ON THERMAL CREEP AND STRESS RELAXATION OF BOLTS IN THERMAL RECOVERY WELLHEAD
The stress relaxation phenomenon of bolt used in thermal recovery wellhead is studied experimentally under field conditions.The normal and high temperature tensile test,creep test and stress relaxation test are carried out respectively.The comparison of the experimental results shows that the streng...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | zho |
| Published: |
Editorial Office of Journal of Mechanical Strength
2021-01-01
|
| Series: | Jixie qiangdu |
| Subjects: | |
| Online Access: | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2021.01.030 |