Hydrogen diffusion coefficients in weld metal,heat affected zone(HAZ) and base metal of the 16MnR low alloy steel welded joint were measured by electrochemical permeation technique.
利用电化学渗透法测定了氢在16MnR低合金钢焊接接头处的焊缝金属、热影响区金属以及母材中的扩散系数。
Using different ways to break cell for releasing SAM were investigated, such as ultrasonic, Chemical infiltration and freeze-thaw.
考察几种提取S-腺苷甲硫氨酸的细胞破碎方法,包括超声波法、化学渗透法及冻融法。
Hydrogen trapping phenomena in conventional high strength steel (42CrMo) and bainite/martensite dual-phase high strength steel (U20Si) were investigated by electrochemical permeation technique.
运用电化学渗透技术研究了传统高强钢 ( 4 2CrMo)和贝氏体 /马氏体复相高强钢 (U 2 0Si)中氢的扩散和氢陷阱。
The paper describes the property,function and application of chemical penetrant,as well as the tentative experiment and the test results analysis.
文中介绍了化学渗透助剂的性能、作用原理及工艺等,并进行了探索性试验与测试数据分析。