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DISCUSSION ON DEFECTS DISTRIBUTION NEAR THE STEEL SURFACE IRRADIATED BY INTENSE PULSED ION BEAM

DISCUSSION ON DEFECTS DISTRIBUTION NEAR THE STEEL SURFACE IRRADIATED BY INTENSE PULSED ION BEAM
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摘要 The surface defect distribution in stainless steel irradiated with intensepulsed ion beam (IPIB) of current density above 60A/cm^2 and acceleration voltage 300-500ke V wasdiscussed and analyzed. The defects near the surface of stainless steel were generated in two ways:(1) generated by the bombardment of energetic ions and (2) induced by the high level stress near thesurface. Thus the temperature and stress distributions near the steel surface were calculated bymeans of our STEIPIB code, which treated with the thermal-dynamical process in the target irradiatedby the IPIB. Based on these distributions, the generations and movements of these defects werediscussed and compared with the experiment results. The surface defect distribution in stainless steel irradiated with intensepulsed ion beam (IPIB) of current density above 60A/cm^2 and acceleration voltage 300-500ke V wasdiscussed and analyzed. The defects near the surface of stainless steel were generated in two ways:(1) generated by the bombardment of energetic ions and (2) induced by the high level stress near thesurface. Thus the temperature and stress distributions near the steel surface were calculated bymeans of our STEIPIB code, which treated with the thermal-dynamical process in the target irradiatedby the IPIB. Based on these distributions, the generations and movements of these defects werediscussed and compared with the experiment results.
出处 《Acta Metallurgica Sinica(English Letters)》 SCIE EI CAS CSCD 2002年第1期113-118,共6页 金属学报(英文版)
基金 This work is supported by the National Natural Science Foundation of China (Grant No. 19975003 and 10175003).
关键词 IPIB DEFECT coupled fluid elastoplastic equation IPIB defect coupled fluid elastoplastic equation
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