此中气焊总为热焊法、加热减应区法、不预热气焊;手工电弧焊总为冷焊、半热焊、不预热焊战热焊铸铁焊接(weld of cast iron) 铸铁撞到有些锻造余陷时凡是可采用焊接修复。20世纪70年代以来铸铁焊接办艺已获得较普遍的使用,焊接资料也已构成系列产.
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Using the finite element method, a mathematical model of temperature field for weld-repaired zone of white cast iron is constructed, and temperature field and heat cycle are analyzed.
应用有限元方法建立了白口铸铁焊接接头焊补温度场的数学模型，对白口铸铁焊补温度场和热循环进行了分析。
The influence of Lanthanum, Cerium, Yttrium, Praseodymium and Neodymium on weld hot cracking susceptibility of the pure nickel electrode used for cold welding of cast iron was studied.
研究了纯镍铸铁焊条冷焊时，稀土金属镧、铈、镨、钇及钕对焊缝热裂纹敏感性的影响规律，并分析了铈对焊接接头力学性能和加工性能的影响。
In this paper, the fracture of grey cast iron weld has been observed by SEM, and the mechanisms of the cracking initation and progression have been discussed.
通过灰口铸铁同质电弧冷焊焊缝断口宏观与显微分析，对灰口铸铁焊缝裂纹的形成及扩展机理进行了探讨。
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