Chen Junhao,Liu Gang*,Wang Shuaixing,et al.Influence of additive on the chemical milling performance of TA12 titanium alloy[J].Plating & Finishing,2025,(04):101-106.
doi: 10.3969/j.issn.1001-3849.2025.04.016添加剂对TA12钛合金化学铣切性能的影响
- Title:
- Influence of additive on the chemical milling performance of TA12 titanium alloy
- Keywords:
- titanium alloy; chemical milling; additive; surface roughness; corrosion ratio; hydrogen permeation rate; milling corrosion rate
- 分类号:
- TQ153.2
- 文献标志码:
- A
- 摘要:
- 为了改善钛合金化铣表面性能，在化铣液中加入添加剂，研究添加剂对化铣表面粗糙度、浸蚀比、化铣腐蚀速度及氢含量的影响。结果表明：在含有复配添加剂的TA12钛合金化铣液中化铣时，TA12钛合金的化铣腐蚀速度为20～23 μm/min、表面粗糙度值为0.422 μm、浸蚀比值波动幅度为0.095，波动幅度较无添加剂明显降低，同时化铣面的含氢量也显著降低。因此，在TA12钛合金化铣液中，添加复配型添加剂能有效提高化铣表面质量，不会引起氢脆，且有利于深化铣的过程控制。
- Abstract:
- In order to improve the surface milling performance of titanium alloy, additives were added to the milling solution and the effects of additives on the surface roughness were studied, including etching ratio, milling corrosion rate, and hydrogen content. The results show that the corrosion rate of chemical milling is 20-23 μm/min with the surface roughness value of 0.422 μm, and the fluctuation amplitude of the etching ratio is 0.095 in TA12 titanium alloy milling solution containing complex additives. The fluctuation amplitude is significantly reduced compared to the operation process without additives, as well as the hydrogen content of the milling surface. Therefore, adding compound additives to TA12 titanium alloy milling solution can effectively improve the milling surface quality, without causing hydrogen embrittlement, and is also beneficial for the process control of deepening milling
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