Improvement method of testing welding rod surface parting shape dimensions using lock phase amplifier;
锁相放大器测试焊条表面分形维数的改进
The influence of melt slag basicity to welding rod coating alloying element transition coefficient;
熔渣碱度对焊条药皮中合金元素过渡系数的影响
Evaluation of typical metal transfer modes for covered electrode;
焊条典型熔滴过渡形态的判读
and the tendency for hydrogen - induced cracking of the T91/ 12Cr1MoV joint welded with different covered electrodes was investigated by means of electrolytic hydrogen charging and constant - load delayed cracking test.
用甘油法测定了从日本进口的ＣＭ－９Ｃｂ焊条、国内新研制的Ｔ９１专用焊条以及Ｒ３１７焊条熔敷金属中的扩散氢含量。
Application of Complex Ferroalloy in Coating of Electrodes;
复合铁合金在焊条药皮中的应用
Special electrode with high temperature corrosive resistance;
抗高温氧化腐蚀专用焊条
The study of electrode for line pan of scraper conveyer;
刮板输送机中部槽耐磨焊条研究
According to a new type of frog made of granular bainitic steel,the paper researches a special welding electrode for repairing and joining.
针对新型辙叉用贝氏体钢,研制出一种焊接工艺性能良好、焊缝组织为粒状贝氏体的、用于焊接修补和连接的专用焊条。
CHE607GX is a kind of welding electrode with high toughness and low sulphur fox X70 pipeline steel in China .
研制了X70管线钢配套用低硫高韧性焊条。
On the basis of study on the weldability of 40Cr steel and 55Si2Mn steel,welding process test was contrasted among different manual electrodes and different combined of manual electrodes.
在对40Cr/55Si2Mn钢焊接性分析的基础上,进行了多种焊条和焊条组合的焊接工艺对比试验,并对焊缝和接头进行了相应的性能测试和显微组织观察。
According to requirements of large size gear of mine and cement machinery for surfacing wear resistant performance,research was concentrated on surfacing manual electrodes possessingimpact resistance and mid-metals contact fatigue wear resistance.
根据矿山机械、水泥机械等大型齿轮磨损堆焊性能的要求，有针对性的研制出了具有耐冲击、金属间接触疲劳磨损的堆焊焊条。