TC4钛合金电子束毛化的实现方法和试验分析(英文)

Realization and Experimental Analysis of Electron Beam Surfi-Sculpt on Ti-6Al-4V Alloy

提出了一种钛合金电子束毛化技术实现方法。借助于新型电子束扫描控制系统,通过扫描波形的特殊设计,可以实现电子束毛化技术,从而在金属表面产生高约几毫米的毛刺。利用这种实现方法,通过选取不同的扫描波形和扫描频率获得了各种不同的毛刺形貌,并进行了毛刺的组织分析,结果表明:六边汇聚型扫描波形毛化效果最理想,而合适的扫描频率同样也是产生毛化形貌的关键。

Realization method of electron beam surfi-sculpt on Ti-6Al-4V alloy was studied.Surfi-sculpt could be obtained by tailored scanning waveform based on the new scanning control system,and then protrusions no less than 2 mm in height were got on the metal surface.By the method,different profiles of protrusions were tried from different scanning waveforms and frequencies and microstructure of protrusions was analyzed.The results show that six lines meeting waveform is the best way to get protrusions,while proper frequency is also a key factor to realize the surfi-sculpt process.