The 2205 duplex stainless + DH36 clad steel plate was welded by gas metal arc welding(GMAW), and the welding performance of the clad steel plate was investigated. The results show that the adaptability of the weldi...The 2205 duplex stainless + DH36 clad steel plate was welded by gas metal arc welding(GMAW), and the welding performance of the clad steel plate was investigated. The results show that the adaptability of the welding procedure for the base metal of carbon steel, the transition layer, and the cladding material is excellent. The test results indicate that the phase proportion and component dilution of the GMAW-welded joints of clad steel plate can be effectively controlled to yield joints with good mechanical properties and corrosion resistance.展开更多
在大型集装箱船抗扭箱舷顶列板焊接中,采用大线能量双丝气电立焊的焊接方法,从板材、焊材、坡口角度及间隙等方面,研究大线能量钢板E40-W600的焊接工艺。由双丝气电立焊的焊接接头理化试验可知,国产E40-W600大线能量钢板的力学性能等能...在大型集装箱船抗扭箱舷顶列板焊接中,采用大线能量双丝气电立焊的焊接方法,从板材、焊材、坡口角度及间隙等方面,研究大线能量钢板E40-W600的焊接工艺。由双丝气电立焊的焊接接头理化试验可知,国产E40-W600大线能量钢板的力学性能等能够满足挪威船级社(Det Norske Veritas,DNV)的规范要求。该技术应用于大型集装箱船建造,与传统的二氧化碳气体保护焊相比,焊接效率提高了10~12倍。展开更多
随着工程机械市场的发展,客户对产品外观质量要求也越来越高,而CO_2气体保护焊存在焊接飞溅大、焊缝成形较差等问题,影响了工程机械结构件的质量,富氩CO_2气体保护焊与CO_2气体保护焊相比,具有焊缝表面成形好、飞溅少、低温冲击韧性和...随着工程机械市场的发展,客户对产品外观质量要求也越来越高,而CO_2气体保护焊存在焊接飞溅大、焊缝成形较差等问题,影响了工程机械结构件的质量,富氩CO_2气体保护焊与CO_2气体保护焊相比,具有焊缝表面成形好、飞溅少、低温冲击韧性和抗疲劳性能好的特点。针对某工程机械企业所用Q960级钢板进行了热输入为7.0 k J/cm的富氩CO_2焊斜Y坡口焊接裂纹试验和热输入为(8.0±1) k J/cm的富氩CO_2焊焊接工艺试验,结果表明:采用富氩CO_2焊焊接宽厚板时,厚板多层焊根部焊道的冷裂纹敏感性好,而拉伸与弯曲试验表明,不是所有的Q960级宽厚板材都适合采用富氩CO_2焊的焊接方法。展开更多
文摘The 2205 duplex stainless + DH36 clad steel plate was welded by gas metal arc welding(GMAW), and the welding performance of the clad steel plate was investigated. The results show that the adaptability of the welding procedure for the base metal of carbon steel, the transition layer, and the cladding material is excellent. The test results indicate that the phase proportion and component dilution of the GMAW-welded joints of clad steel plate can be effectively controlled to yield joints with good mechanical properties and corrosion resistance.
文摘在大型集装箱船抗扭箱舷顶列板焊接中,采用大线能量双丝气电立焊的焊接方法,从板材、焊材、坡口角度及间隙等方面,研究大线能量钢板E40-W600的焊接工艺。由双丝气电立焊的焊接接头理化试验可知,国产E40-W600大线能量钢板的力学性能等能够满足挪威船级社(Det Norske Veritas,DNV)的规范要求。该技术应用于大型集装箱船建造,与传统的二氧化碳气体保护焊相比,焊接效率提高了10~12倍。
文摘随着工程机械市场的发展,客户对产品外观质量要求也越来越高,而CO_2气体保护焊存在焊接飞溅大、焊缝成形较差等问题,影响了工程机械结构件的质量,富氩CO_2气体保护焊与CO_2气体保护焊相比,具有焊缝表面成形好、飞溅少、低温冲击韧性和抗疲劳性能好的特点。针对某工程机械企业所用Q960级钢板进行了热输入为7.0 k J/cm的富氩CO_2焊斜Y坡口焊接裂纹试验和热输入为(8.0±1) k J/cm的富氩CO_2焊焊接工艺试验,结果表明:采用富氩CO_2焊焊接宽厚板时,厚板多层焊根部焊道的冷裂纹敏感性好,而拉伸与弯曲试验表明,不是所有的Q960级宽厚板材都适合采用富氩CO_2焊的焊接方法。