[TABELLE I][TABELLE I]Beispiel 11,10-Phenanthrolin-Konzentration (g/L)0,100,501,001,502,00Dimethylharnstoff-Konzentration (g/L)10,0010,0010,0010,0010,00restliche Spannung (kg/mm 2 )–8,81–9,141,520,913,94arithmetische Mittelrauhigkeit Ra (μm)0,0450,0340,0260,0190,019[TABELLE 2][TABELLE 2]Beispiel 21,10-Phenanthrolin-Konzentration (g/L)2,002,002,002,00Dimethylharnstoff-Konzentration (g/L)1,005,0010,0020,00restliche Spannung (kg/mm 2 )7,006,273,94–4,30arithmetische Mittelrauhigkeit Ra (μm)0,0180,0190,0180,020[TABELLE III][TABELLE III]Vergleichsbeispiel 11,10-Phenanthrolin-Konzentration (g/L)0,100,501,001,502,00Dimethylharnstoff-Konzentration (g/L)0,000,000,000,000,00restliche Spannung (kg/mm 2 )–2,34–2,272,166,317,00arithmetische Mittelrauhigkeit Ra (μm)0,0420,0370,0240,0200,020[TABELLE IV][TABELLE IV]Beispiel 3Polystyrol-Konzentration (g/L)1,001,502,002,505,00Dimethylharnstoff-Konzentration (g/L)10,0010,0010,0010,0010,00restliche Spannung (kg/mm 2 )–8,81–9,141,520,913,94arithmetische Mittelrauhigkeit Ra (μm)0,0780,0610,0480,0220,019[TABELLE V][TABELLE V]Vergleichsbeispiel 2Polystyrol-Konzentration (g/L)1,001,502,002,505,00Dimethylharnstoff-Konzentration (g/L)0,000,000,000,000,00restliche Spannung (kg/mm 2 )–2,10–1,991,126,217,50arithmetische Mittelrauhigkeit Ra (μm)0,0720,0630,0510,0260,019[TABELLE VI][TABELLE VI]Beispiel 41,10-Phenanthrolin-Konzentration (g/L)0,100,501,001,502,00Dimethylammoniumchlorid-Konzentration (g/L)10,0010,0010,0010,0010,00restliche Spannung (kg/mm 2 )–10,20–8,80–6,50–4,20–3,88arithmetische Mittelrauhigkeit Ra (μm)0,0440,0310,0210,0180,018[TABELLE VII][TABELLE VII]Beispiel 5Pyrazin-Konzentration (g/L)0,100,300,500,801,20Dimethylharnstoff-Konzentration (g/L)10,0010,0010,0010,0010,00restliche Spannung (kg/mm 2 )–2,21–1,581,562,374,22arithmetische Mittelrauhigkeit Ra (μm)0,0380,0290,0210,0200,019[TABELLE VIII][TABELLE VIII]Vergleichsbeispiel 3Pyrazin-Konzentration (g/L)0,100,300,500,801,20Dimethylharnstoff-Konzentration (g/L)0,000,000,000,000,00restliche Spannung (kg/mm 2 )1,202,865,577,819,21arithmetische Mittelrauhigkeit Ra (μm)0,0370,0350,0210,0180,018 In Beispiel 1 wurde die Dimethylharnstoff-Konzentration in der Elektrolytlösung auf einen konstanten Wert von 10,00 g/L eingestellt.
TABLE IExample 11,10-Phenanthroline0.100.501.001.502.00concentration (g/L)Dimethylurea10.0010.0010.0010.0010.00concentration (g/L)Residual stress (kg/mm2)−8.81−9.141.520.913.94Arithmetic mean0.0450.0340.0260.0190.019roughness Ra (μm) TABLE IIExample 21,10-Phenanthroline2.002.002.002.00concentration (g/L)Dimethylurea1.005.0010.0020.00concentration (g/L)Residual stress (kg/mm2)7.006.273.94−4.30Arithmetic mean0.0180.0190.0180.020roughness Ra (μm) TABLE IIIComparative Example 11,10-Phenanthroline0.100.501.001.502.00concentration (g/L)Dimethylurea0.000.000.000.000.00concentration (g/L)Residual stress (kg/mm2)−2.34−2.272.166.317.00Arithmetic mean0.0420.0370.0240.0200.020roughness Ra (μm) TABLE IVExample 3Polystyrene1.001.502.002.505.00concentration (g/L)Dimethylurea10.0010.0010.0010.0010.00concentration (g/L)Residual stress (kg/mm2)−8.81−9.141.520.913.94Arithmetic mean0.0780.0610.0480.0220.019roughness Ra (μm) TABLE VComparative Example 2Polystyrene1.001.502.002.505.00concentration (g/L)Dimethylurea0.000.000.000.000.00concentration (g/L)Residual stress (kg/mm2)−2.10−1.991.126.217.50Arithmetic mean0.0720.0630.0510.0260.019roughness Ra (μm) TABLE VIExample 41,10-Phenanthroline0.100.501.001.502.00concentration (g/L)Dimethylammonium10.0010.0010.0010.0010.00chloride concen-tration(g/L)Residual stress (kg/mm2)−10.20−8.80−6.50−4.20−3.88Arithmetic mean0.0440.0310.0210.0180.018roughness Ra (μm) TABLE VIIExample 5Pyrazine0.100.300.500.801.20concentration (g/L)Dimethylurea10.0010.0010.0010.0010.00concentration (g/L)Residual stress (kg/mm2)−2.21−1.581.562.374.22Arithmetic mean0.0380.0290.0210.0200.019roughness Ra (μm) TABLE VIIIComparative Example 3Pyrazine0.100.300.500.801.20concentration (g/L)Dimethylurea0.000.000.000.000.00concentration (g/L)Residual stress (kg/mm2)1.202.865.577.819.21Arithmetic mean0.0370.0350.0210.0180.018roughness Ra (μm) In Example 1, the dimethylurea concentration in the electrolyte solution was set to be constant at 10.00 g/L. By setting the 1,10-phenanthroline concentration at 1.00 to 2.00 g/L, it was possible to set the residual stress to be −5 to 5 kg/mm2.