原位小冲头压缩速率对X65管线钢氢脆敏感性的影响
吴晓祺, 万红江, 明洪亮, 王俭秋, 柯伟, 韩恩厚

Effect of Compression Rate on Hydrogen Embrittlement Sensitivity of X65 Pipeline Steel Based on in-situ Small Punch Test
WU Xiaoqi, WAN Hongjiang, MING Hongliang, WANG Jianqiu, KE Wei, HAN En-Hou
表2 原位小冲头压缩实验条件
Table 2 Test conditions for in-situ small punch tests
Test conditionsTest parameters
Specimen dimension / mmϕ9 × 0.5

Ball diameter / mm

Gas environment

Gas pressure / MPa

Compression rate / mm·min-1

Test temperature

2.5

N2(99.999%), H2(99.999%)

4.0

1.0, 0.1, 0.01, 0.004

Room temperature