脉冲电流调控金属熔体中的非金属夹杂物

张新房,闫龙格

Regulating the Non-Metallic Inclusions by Pulsed Electric Current in Molten Metal

Xinfang ZHANG,Longge YAN

表1 电流去除夹杂物参数总结^{[34,45,49,51,52,53,55,57,58,59,62,66,69,72,108,109]}

Table 1 Summary of parameters for current removal inclusions^{[34,45,49,51,52,53,55,57,58,59,62,66,69,72,108,109]}

Current	Parameter (frequency, duration and current density)	d / μm	ξ / %	Ref.
AC	60 Hz, -, 2.5×10⁴ A?m^-2	>20	>35	[34]
		>60	>95
PDC	5000 Hz, -, 1.0×10³ A?m^-2	>5	-	[45]
PDC	1 Hz, 60 μs, 1.6×10⁶ A?m^-2	>10	>90	[49]
	1 Hz, 60 μs, 1.6×10⁶ A?m^-2	>5	>80
DC	-, -, 10⁵ A?m^-2	-	-	[51]
DC	-, -, 1.0×10⁶ A?m^-2	-	>50	[52]
DC	-, -, 3.2×10⁶ A?m^-2	-	>84	[53]
DC	-, -, 2.8×10⁶ A?m^-2	>20	>80	[55]
		>10	>30
DC	-, -, 3.0×10⁶ A?m^-2	>20	>90	[57]
		>10	>50
AC	-, -, 3.9×10⁶ A?m^-2	-	>90	[58]
DC	-, -, 4.0×10⁷ A?m^-2	>10	>100	[58]
		>5	>95
DC	-, -, 3.0×10⁶ A?m^-2	>50	>100	[59]
		>10	>30
PDC	-, 15 ms, 1.3×10⁸ A?m^-2	>15	-	[62]
PDC	1 Hz, 20 μs, 1.2×10⁵ A?m^-2	>2	-	[66]
PDC	50 Hz, 60 μs, 4.1×10⁵ A?m^-2	>5	>67	[69]
PDC	500 Hz, -, 6.6×10⁴ A?m^-2	>5	>95	[72]
PDC	20 kHz, -, 1.0×10³ A?m^-2	-	-	[108]
PDC	20 kHz, -, 1.0×10³ A?m^-2	-	-	[109]