基于均匀设计方法研究不锈钢焊条的焊缝成形

基于均匀设计的方法研究了不锈钢焊条的焊缝成形。通过数理统计给出了10种药皮材料及其交互作用对应于因变量焊缝成形的数学模型；也给出了每种药皮材料影响焊缝成形的趋势图。数学模型揭示出药皮材料对焊缝成形复杂影响的内在规律：①全部药皮材料对焊缝成形都有影响，但大部分为交互作用；②冰晶石X1、钛白粉X6的影响作用为平方项；③萤石X5对焊缝成形的影响为负相关，但它与云母 白土子X6的交互作用对焊缝成形的影响则为正相关。在趋势图上可以直观地看到各材料在不同的含量区间会对焊缝成形有不同的相关性影响：当电解锰含量X3分档次自低向高变化时，焊缝成形Y与钛铁X4的关系先是呈负相关而后转为正相关，而焊缝成形Y与白泥X7的关系先是呈正相关而后转为负相关。

Study on appearance of weld of stainless steel electrode based on uniform design

The appearance of weld of stainless steel electrode wasstudied based on uniform design method. Through mathematic statisticsthe mathematic model and trend dingrams were gi'~en. The model revealsthe law on which 10 coating materials affect the appearance of weld: ~)allof the coating materials affect the appearance of weld, but most of themare mutual effects; (~)the effects of cryolite and titanium dioxide aresquare ; (~)the effect of fluorite is negative, hut the mutual effect of it andmuscovite on appearance of weld is positivel In the trend diagTams, therelevant relation on which coating materials affect the appearance of weldcan be read directly : the effect of ferrotitanium on appearance of weld isnegative first, and then positive with the increasing of electrolytic manga-nese; the effect of white mud on appearance of weld is positive first, andthen negative with the increasing of electrolytic manganese.