1) nugget size
熔核直径
1.
In the simulation, a 2-D model is established with special attention paid to the zinc coat, because it dramatically affects the nugget size.
该模拟过程对镀锌层的存在,特别是对接触电阻的影响给予了重视,建立了轴对称2-D模型,采用热、电耦合计算方法,输入不同焊接条件,得到最终的温度场分布图,并算出熔核直径。
2.
The correlations of nugget size-to-amplitude-frequency correspondence were analyzed,the results show that the amplitude-frequency values of harmonic wave are direct proportional to the nugget sizes linearly.
通过对分流条件下,钛合金点焊焊接电流波形进行快速傅立叶变换(FFT),获得了焊接电流波形的幅频图,并将熔核直径与对应的幅频值进行对比分析,发现电流谐波幅值与熔核直径近似成线性正比关系。
2) nugget diameter
熔核直径
1.
Meanwhile,combining facts of spot-welding nugget diameter changing with welding current and zinc residue in fusion zone by SEM spectrum analysis,main reasons that affect the strength of spot-welding joint of hot galvanized steel are analyzed.
结果表明:当其他焊接参数一定时,DP590GA与DP590点焊接头强度和熔核尺寸随着焊接电流的变化趋势在焊接电流各个阶段有所不同,而熔核区的残留锌量随焊接电流的减小而增加,从而揭示了锌层使点焊区域接触电阻降低和焊接电流密度减小引起的熔核直径减小、熔合区残留锌量增加以及锌层更易引起点焊飞溅三个因素在不同的焊接电流范围内对点焊接头强度的影响作用。
2.
It was shown that the growth of pitting increased real contact area between parts,which decreased current density and reduced nugget diameter.
结果表明,点蚀的产生与发展增加了工件之间的实际接触面积,使电流密度降低,熔核直径减小;同边缘位置点蚀相比,电极中心位置点蚀由于对熔核区域的电流分流作用,更加不利于熔核的形成。
3) nugget size forecasting
熔核直径预测
1.
The nugget size forecasting model was built based on Bp algorithm of artificial neural network.
从电极位移曲线上提取出的两个特征值及焊接能量值作为输入值,熔核直径为输出值,建立了基于BP算法的铝合金直流点焊熔核直径预测模型。
4) diameter of water pool
水核直径
6) melting zone diameter
熔化带直径
1.
The optimum design on melting zone diameter of cupolas;
冲天炉熔化带直径的优化设计
补充资料：大直径区熔硅单晶
大直径区熔硅单晶
………蘸绷
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条