It can also avoid pretermission of plating, burnout of zinc layer on weld beam and heat affected zone, and other limitations on the inner surface of fuel tank made of galvanized sheet.
从而避免了传统电镀锌板直接焊接成型油箱内表面漏镀、焊缝及热影响区锌层烧损等缺陷。
The Ni based alloy powder surfacing layer was obtained by light beam surfacing on the 45 steel and the microstructure of heat affected zone(HAZ) and the phase of the surfacing layer were studied.
采用聚焦光束热源在45钢母材上获得了镍基合金粉末堆焊层，研究了堆焊层的物相组成及母材热影响区的微观组织特征。
The result of microstructures analysis show: there are melted zone , transient zone and heat affected zone in the laser melted layer.
对重熔区显微组织进行了研究，研究表明：激光重熔区分为熔凝区、过渡区及热影响区；
应用推荐