1) interfacial fracture
熔核断裂
1.
In resistance spot welding of dual-phase (DP) steel, the welding technology window is very narrow and the interfacial fracture easily happens.
针对双相钢电阻点焊过程焊接工艺窗口窄、易出现熔核断裂的问题,文中通过焊点力学性能与微观金相试验,研究了不同焊接工艺参数变化时对双相钢焊点质量的影响规律,建立其焊接工艺窗口,分析了双相钢熔核断裂的成因及焊接参数对熔核断裂的影响规律。
2) nugget
熔核
1.
Analysis of nugget formation process in resistance spot welding based on magnetic fluid dynamics theory;
电阻点焊熔核形成过程磁流体动力学分析
2.
The micro joint consists of nugget zone, semi-melt zone and heat affect zone.
微型接头由熔核区、半熔化区及热影响区组成,熔核为以细密β’-Cu5。
3.
The instantaneity of RSW process make it difficult to experiment research of the nugget growth process and it is unbelievable to only numerica.
所以本文采用数值模拟和少量的试验验证相结合的方法对铝合金点焊熔核形成过程机理进行了研究,分析了铝合金点焊过程中的力、热、电耦合行为,为解决铝合金电阻点焊质量问题提供理论依据。
3) micro-nugget
微型熔核
4) nugget size
熔核尺寸
1.
Regression model between nugget size and processing parameters;
熔核尺寸与点焊工艺参数的回归模型
2.
After transforming the spot welding DRC(Dynamic Resistance Curve)of stainless steel 1Cr18Ni9Ti by FFT(Fast Fourier Transform),the spectrum characteristics are analyzed and the nugget sizes of six spot welds are measured and contrasted.
1Hz处的幅频值随熔核尺寸变化的曲线斜率较小,0Hz处的幅频值随熔核尺寸的变化更为敏感。
3.
Aiming at the localization of traditional quality detection method during resistance spot welding, a new method is set up to detect the nugget size in real time.
本文针对传统点焊质量检验方法的局限性,提出了一种实时检测点焊熔核尺寸的新方法。
5) design of nugget formation
熔核设计
1.
Numerical simulation for design of nugget formation in resistance spot welding;
电阻点焊熔核设计的数值模拟
6) 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。
参考词条
补充资料：熔盐电解法生产铌粉(见熔盐电解法生产钽粉)
熔盐电解法生产铌粉(见熔盐电解法生产钽粉)
production of niobium powder by molten salt electrolysis
rongyand+onjlefa ShengChan n.fen熔盐电解法生产妮粉(produetion。fn;obi-um powder by molten salt eleetrolysls)见熔盐电解法生产担粉。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。