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flyAngel120

新虫 (小有名气)


[交流] 【求助】钛合金EBSD电解抛光

Sample Text本人主要做TC4、TC11两种钛合金的电解抛光,目前一直在做TC4,采用的是10%的高氯酸甲醇电解液,用冰块冷却温度可到4℃,短时间长时间的都试过,抛光后在光学显微镜下可以看到明显的晶界,上镜效果不好,最好的一次只有40%的标定率,已经尝试了很久,一直是这样没有进展,希望各位能够指导指导,谢谢!

[ Last edited by 钢铁盒子 on 2011-3-23 at 22:44 ]
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flyAngel120

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引用回帖:
Originally posted by 金教授 at 2010-11-23 18:32:26:


Do not worry, just try. Titanium alloys are easier than magnesium alloys. After you encounter and overcome all the difficulties, you become an expert. Depending on chemical composition and ther ...

恩,谢谢您,I hope so!
31楼2010-11-23 21:32:36
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金教授

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★
flyAngel120(金币+10): 2010-11-12 15:55:41
caocao4735(金币+1):谢谢交流 2010-11-13 12:23:18
flyAngel120(金币+7): 2010-12-03 10:02:24
引用回帖:
Originally posted by flyAngel120 at 2010-11-12 11:03:10:
Sample Text本人主要做TC4、TC11两种钛合金的电解抛光,目前一直在做TC4,采用的是10%的高氯酸甲醇电解液,用冰块冷却温度可到4℃,短时间长时间的都试过,抛光后在光学显微镜下可以看到明显的 ...

试试这两个方子吧,注意搅拌。

(1)Perchloric 6% + Butoxyethanol 34% + Methanol 60%,-30C, 35V, 9mA

(2) 60 mL of 60% perchloric acid + 390 mL methanol + 350 mL ethylene glycol,Voltage = 38V, t <= 15 sec, T ~ 5 C, Counter electrode = Stainless steel

Agitation: (i) gently stir electrolyte with stir bar, (ii) rapidly agitate working electrode.

Trick 1: Remove sample from electrolyte under voltage, then immediately plunge it into room-temp distilled water and agitate sample slowly.

Trick 2: Wipe working electrode with Acetone and air dry before polishing.
2楼2010-11-12 12:43:09
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flyAngel120

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引用回帖:
Originally posted by 金教授 at 2010-11-12 12:43:09:


试试这两个方子吧,注意搅拌。

(1)Perchloric 6% + Butoxyethanol 34% + Methanol 60%,-30C, 35V, 9mA

(2) 60 mL of 60% perchloric acid + 390 mL methanol + 350 mL ethylene glycol,Voltage = ...

谢谢您的解答,我还想请教下,电解抛光一般用什么做电极比较好呢,我现在用的就是一根铜导线,不知道会不会影响抛光效果?
3楼2010-11-12 15:57:33
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金教授

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flyAngel120(金币+4): 2010-11-12 20:16:45
引用回帖:
Originally posted by flyAngel120 at 2010-11-12 15:57:33:

谢谢您的解答,我还想请教下,电解抛光一般用什么做电极比较好呢,我现在用的就是一根铜导线,不知道会不会影响抛光效果?

I have never paid attention, but people often say "stainless steel".
4楼2010-11-12 18:23:07
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