光子学报, 2020, 49 (4): 0414004, 网络出版: 2020-04-24 复制并引用该论文  被引通知

图 & 表

图 1. SEM image of 690 high strength steel with power density of 5.09 GW/cm²

Fig. 1. SEM image of 690 high strength steel with power density of 5.09 GW/cm²

下载图片 查看原文

图 2. TEM image of 690 high-strength steel matrix

Fig. 2. TEM image of 690 high-strength steel matrix

下载图片 查看原文

图 3. TEM image of 690 high strength steel with power density of 5.09 GW/cm²

Fig. 3. TEM image of 690 high strength steel with power density of 5.09 GW/cm²

下载图片 查看原文

图 4. HRTEM image and corresponding IFFT filtered image of the precipitated phase

Fig. 4. HRTEM image and corresponding IFFT filtered image of the precipitated phase

下载图片 查看原文

图 5. Line intensity distribution

Fig. 5. Line intensity distribution

下载图片 查看原文

图 6. HRTEM image of 690 high strength steel matrix by laser shock processing

Fig. 6. HRTEM image of 690 high strength steel matrix by laser shock processing

下载图片 查看原文

图 7. Dislocation configurations in the matrix of laser shocked 690 high strength steel

Fig. 7. Dislocation configurations in the matrix of laser shocked 690 high strength steel

下载图片 查看原文

图 8. Schematic diagram of screw dislocation motion at different cutting heights

Fig. 8. Schematic diagram of screw dislocation motion at different cutting heights

下载图片 查看原文

图 9. TEM image and selective electron diffraction pattern of different regions of the surface of 690 high-strength steel by laser shock

Fig. 9. TEM image and selective electron diffraction pattern of different regions of the surface of 690 high-strength steel by laser shock

下载图片 查看原文

图 10. Dislocation change characteristics of IFFT filtered image on the surface of 690 high-strength steel by multiple strong laser shock

Fig. 10. Dislocation change characteristics of IFFT filtered image on the surface of 690 high-strength steel by multiple strong laser shock

下载图片 查看原文

图 11. Grain refinement mechanism dominated by dislocation movement of 690 high-strength steel by laser shock

Fig. 11. Grain refinement mechanism dominated by dislocation movement of 690 high-strength steel by laser shock

下载图片 查看原文

表 1690高强钢化学成分与机械性能

Table1. Chemical composites of 690 high-strength steel and mechanical capacity

Chemical composites(mass fraction/%) Mechanical capacity C Si Mn Cr σb/MPa σs/MPa ≤1.72 ≤0.45 ≤1.24 ≤0.74 ≥690 835

查看原文

曹宇鹏, 杨聪, 施卫东, 花国然, 李彬, 李荣. 激光冲击690高强钢位错组态与晶粒细化的实验研究[J]. 光子学报, 2020, 49(4): 0414004. Yu-peng CAO, Cong YANG, Wei-dong SHI, Guo-ran HUA, Bin LI, Rong LI. Experimental Study on Dislocation Configuration and Grain Refinement of 690 High Strength Steel Treated by Laser Shock Processing[J]. ACTA PHOTONICA SINICA, 2020, 49(4): 0414004.