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[交流]
【求助】鈦合金EBSD電解拋光
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Sample Text本人主要做TC4、TC11兩種鈦合金的電解拋光,目前一直在做TC4,采用的是10%的高氯酸甲醇電解液,用冰塊冷卻溫度可到4℃,短時間長時間的都試過,拋光后在光學(xué)顯微鏡下可以看到明顯的晶界,上鏡效果不好,最好的一次只有40%的標(biāo)定率,已經(jīng)嘗試了很久,一直是這樣沒有進(jìn)展,希望各位能夠指導(dǎo)指導(dǎo),謝謝! [ Last edited by 鋼鐵盒子 on 2011-3-23 at 22:44 ] |
鈦及鈦合金專輯 | 大變形純鈦 EBSD |
» 搶金幣啦!回帖就可以得到:
+1/268
+1/189
+5/150
+1/87
+1/45
+1/13
+1/13
+1/12
+1/12
+1/10
+1/10
+1/8
+1/8
+1/8
+1/7
+1/6
+1/5
+1/4
+1/4
+1/3
專家顧問 (知名作家)
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專家經(jīng)驗: +552 |
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試試這兩個方子吧,注意攪拌。 (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. |
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