低碳钢管道中的应力及其超声法测量
于鹏, 杨理践, 郑文学, 杨亮
Stress Measurement of Low Carbon Steel Pipe by Ultrasonic Method
YU Peng, YANG Lijian, ZHENG Wenxue, YANG Liang
表3
实测应力数据
Table 3
Measured stress data
Stress / MPa
L wave
SH wave
Double wave
10
7.2
5.7
6.8
20
21.5
20.8
21.3
30
37.8
37.1
37.7
40
50.5
31.4
47.2
50
59.3
56.9
58.7
60
68.6
51.3
65.6
70
80.8
67.3
76.6
80
83.2
81.2
82.8
90
95.1
80.2
91.2
100
96.8
106.3
99.1