THERMAL EFFECT SIMULATION OF 45# STEEL SURFACE IRRADIATED BY HIGH INTENSITY PULSED ION BEAMS

Acta Metall Sin

2008, Vol. 44

Issue (7): 831-836 DOI:

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THERMAL EFFECT SIMULATION OF 45# STEEL SURFACE IRRADIATED BY HIGH INTENSITY PULSED ION BEAMS

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中科院金属所八室材料加工模拟组沈阳航空工业学院材料系

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;. THERMAL EFFECT SIMULATION OF 45# STEEL SURFACE IRRADIATED BY HIGH INTENSITY PULSED ION BEAMS. Acta Metall Sin, 2008, 44(7): 831-836 .

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Abstract Based on Fourier transient state heating conduction equation, this paper confirms the heating conduction equation of HIPIB. The thermal effect of the target 45# Steel surface irradiated by HIPIB with different power density is simulated. In view of the behavior of ion injection into the metal, thermal load of ion current density were simulated with body heat flux mode and surface heat flux mode. The result with two mode were compared. Another amelioration in the simulation is element removed and reactivated method, which can simulate the evaporation of surface metal under injection by high energy ions. The result show that element removed and reactivated method to simulate disabled element was more alike the forming of crater. The element vaporized on the surface were removed so that the elements around it have been no effect their solidification and cooling. Element removed and reactivated method have little effect in the heating process but improved simulated precision in cooling precess sharply

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Received: 06 November 2007

ZTFLH:	TG156.99
	TG142.3

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