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利用熔池振荡及熔池谐振信号的检测，以熔池自身固有振荡频率与熔池尺寸的内在关系测定熔池金属表面 张力，研究了薄板ＳＵＳ３０４不锈钢ＴＩＧ焊不同熔地尺寸的表面张力变化以及活性剂对熔池表面张力的影响。试验研 究方法为焊接熔池表面张力测定中的最初应用。
The determination of the surface tension of the molten pool by the inherent relationship between the natural oscillation frequency of the molten pool and the size of the molten pool was carried out by using the detection of the molten pool oscillation and the molten pool resonance signal. The variation of surface tension and the activity Effect of agent on bath surface tension. The experimental research method is the initial application in the determination of surface tension of weld pool.