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Small-angle neutron scattering study on the stability of oxide nanoparticles in long-term thermally aged 9Cr-oxide dispersion strengthened steel
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作者 Peng-Lin Gao Jian Gong +6 位作者 Qiang Tian Gung-Ai Sun Hai-Yang Yan Liang Chen Liang-Fei Bai Zhi-Meng Guo Xin Ju 《Chinese Physics B》 SCIE EI CAS CSCD 2022年第5期484-489,共6页
A 9 Cr-oxide dispersion strengthened(ODS)steel was thermally aged at 873 K for up to 5000 h.The size distribution and chemical composition of the dispersed oxide nanoparticles were analyzed by small-angle neutron scat... A 9 Cr-oxide dispersion strengthened(ODS)steel was thermally aged at 873 K for up to 5000 h.The size distribution and chemical composition of the dispersed oxide nanoparticles were analyzed by small-angle neutron scattering under a magnetic field.Combined with transmission electron microscopy,Vickers micro-hardness tests and electron backscattered diffraction measurements,all the results showed that the thermal treatment had little or no effect on the size distributions and volume fractions of the oxide nanoparticles in the ferromagnetic matrix,which suggested excellent thermal stability of the 9 Cr-ODS steel. 展开更多
关键词 oxide dispersion strengthened(ODS)steel small angle neutron scattering(SANS) thermal aging NANOPARTICLE
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