carbon steel welding rod是什么意思

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Effect of span between two cores of lime-titania type carbon-steel electrode on welding technology and shape of arc;

双电极钛钙型碳钢焊条焊芯间距对焊接工艺及电弧形态的影响

Using a digital high-speed video analyzer and an arc shadow-graphing system based on a laser source and related optical system the phenomenon of metal transfer of lime titania type twin electrode is investi gated.

采用激光背光高速摄像系统对双电极钛钙型碳钢焊条的熔滴过渡及其影响因素进行了研究。

Study of the inhibitors of the carbon steel in dynamic hot seawater;

动态热海水中碳钢材料缓蚀剂的研究

Formation mechanism of corrosion scales of carbon steel by CO_2 corrosion under high temperature and high pressure;

碳钢高温高压CO_2腐蚀产物膜的形成机制

Three low carbon steels made by different metallurgical means have been selected.

选择3种冶金因素有代表性的低碳钢,通过极化试验比较了它们之间的点蚀诱发敏感性,利用电子探针分析了不同夹杂物在诱发点蚀过程中的特征;并在利用琼脂涂封的条件下,研究了点蚀诱发时夹杂物溶解析出行为。

The rust layer of carbon steels and weathering steels generated by wet and dry periodic immersion test was analyzed by X-ray diffraction(XRD) and Raman microscopy.

通过对Q235碳钢和09CuPCrNi耐候钢的周期浸润加速腐蚀实验所得到的锈层结构的XRD和拉曼光谱分析表明:γ-Fe2O3、γ-FeOOH和α-FeOOH是构成锈层的主要腐蚀产物。

Variance analysis on atmospheric corrosion data of weathering and carbon steels exposed in Beijing,Qingdao,Jiangjin and Wuhan for 8 and 16 years respectively was conducted.

对北京、青岛、江津、武汉地区的耐候钢与碳钢 8年和 16年的大气腐蚀数据进行方差分析 ,研究发现两类材料在北京地区的大气腐蚀数据无显著差异 ;在青岛、江津、武汉 3个地区 ,虽然 4年时耐候钢腐蚀速率明显低于碳钢 ,但 8年和 16年耐候钢与碳钢之间的腐蚀速率已无明显差异 。

Influencing factors on corrosion of mild steel in carbon dioxide environment;

碳钢在二氧化碳溶液中腐蚀影响因素的研究

A newly synthesized heteroercyclic compound,5-(1H-1,2,4-triazole-1-alkyl)-1,3,4-oxadiazole-2-thiol(TAOT),was investigated as corrosion inhibitors for mild steel in 1 mol/L HCl using weight loss experiment,electrochemical test and quantum chemical calculations.

通过失重、电化学测试以及量子化学计算方法研究了新型杂环恶二唑化合物5-[(1H-1,2,4-三氮唑-1-基)甲基]-1,3,4-噁二唑-2-硫醇(TAOT)在1mol/LHC1中对Q235钢(碳钢)的缓蚀作用。

The results of weight-loss and electrochemical tests showed that its inhibition efficiency for mild steel in 1 mol/L HCl solutions could reach as high as 98%.

结果表明,黄连提取物在1 mol/L HCl中对Q235有高达98%的缓蚀作用,其在碳钢表面的吸附符合Langmuir等温式,能同时抑制碳钢腐蚀的阴、阳极过程,碳钢的阻抗值随黄连提取物浓度增加而变大,扫描电镜分析结果也表明该提取物对碳钢表面有很好的保护作用。