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B. EP,1.Electron circuit,Electro liquid,l,Part,Mixer,Temperature regulator,M,+,Galvanometer,Voltage,Power,V,A,Commutator,所謂電解拋光,即是將工件放置陽極,於電解液中通電,在適當操作參數下,使工件發生電解反應(亦稱反電鍍),工件表面而因電場集中效應而產生溶解作用,因而可達成工件表面平坦與光澤化之加工技術。,B. EP,2. Electro Polish,Effects of EP: To improve surface roughness To remove small defects To remove small contaminants To enrich surface oxide with Chromium,B. EP,3. Inner Surface Condition,Surface chemistry,Number of particles,B. EP,4. Micro-scopic Observation after EP,B. EP,5. Surface Roughness ( BA&EP ),