The large welding current caused the formation of quenched martensite and the high residual stresses in the welding zone, resulting in the increase of zinc sensitivity of hydrogen attack.
结果表明：由于焊接电流过大，使焊缝产生淬火马氏体组织及较大的焊接残余应力，导致镀锌氢脆敏感性增加，造成吸油盘发生氢脆开裂。
The results indicate that with the increase of the welding current, welding press and electrifying time, there are decreased in rate of false welding and increased in pressed depth.
结果表明：当焊接电流越强，电极压力越大，焊接通电时间越长时，钢筋网焊点虚焊率越低，压入深度越大。
Welding current can be set to increase compensation.
可设定焊接电流递增补偿。
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