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A3钢在含Fe~(3+)的盐酸溶液中的脆断机理

程玉峰 , 杜元龙

中国腐蚀与防护学报

应用原子氢渗透速率测量传感器测定了在5%HCl溶液中添加不同含量的Fe(3+)时体系渗氢水平(渗氢电流)的变化;采用慢应变速率拉伸(SSRT)试验研究了A3钢在5%HCl+Fe(3+)溶液中于阴、阳极极化电位下的脆断敏感性及其断裂机制.结果表明,随着溶液中Fe(3+)含量的增加,渗氢水平逐渐下降;A...

关键词: 脆断 , Mechanism , Hydrogen induced cracking (HIC) , Anodic dissolution , Steel , Hydrochloric acid , Ferric ion

环境因素对钢的大气腐蚀的影响

梁彩凤 , 侯文泰

中国腐蚀与防护学报

分析了我国七个试验点十七种钢的八年大气腐蚀试验结果,对润湿时间、二氧化硫及盐粒子的污染作用提出了新的看法。对非耐候钢,湿热条件对长期腐蚀的影响非常大,如果加上污染,会造成特别高的腐蚀。讨论了用气象及污染特征划分大气腐蚀性等级的ISO9223国际标准。碳钢、低合金钢在不同腐蚀环境中,暴露第一年期间所显...

关键词: 大气腐蚀 , Steel , Environment factors , Atmospheric corrosivity

A Hybrid Joining Technology for Aluminum/Zinc Coated Steels in Vehicles

C.Y. Choi D.C. Kim D.G. Nam Y.D. Kim Y.D. Park

材料科学技术(英文)

Currently, in the automotive industry, joining of the aluminum alloys with the steel is a crucial problem to be solved. Conventional joining techniques including resistance spot and gas metal arc welding are not acceptable for those applications due to a number of metallurgical problems. The investi...

关键词: Hybrid joining , Aluminum , Steel , Welding

A Hybrid Joining Technology for Aluminum/Zinc Coated Steels in Vehicles

C.Y. Choi D.C. Kim D.G. Nam Y.D. Kim Y.D. Park

材料科学技术(英文)

Currently, in the automotive industry, joining of the aluminum alloys with the steel is a crucial problem to be solved. Conventional joining techniques including resistance spot and gas metal arc welding are not acceptable for those applications due to a number of metallurgical problems. The investi...

关键词: Hybrid joining , Aluminum , Steel , Welding

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