700 MPa级高塑低碳低合金钢的多相组织调控及性能
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周文浩, 谢振家, 郭晖, 尚成嘉
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REGULATION OF MULTI-PHASE MICROSTRUCTURE AND MECHANICAL PROPERTIES IN A 700 MPa GRADE LOW CARBON LOW ALLOY STEEL WITH GOOD DUCTILITY
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ZHOU Wenhao, XIE Zhenjia, GUO Hui, SHANG Chengjia
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| 表3 奥氏体稳定化元素在不同温度下的扩散距离 |
| Table 3 Diffusion distances of austenite stabilizers elements at different temperatures (2D space) |
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| <table border="1" id="tb_80006AA6" align=""> <tr> <td height="75.59055118110237" id="tc_80006AA8"> Temperature </td> </tr> </table> | Diffusion coefficient / (cm2·s-1) | | Diffusion distance / nm | | ℃ | C | Mn | Ni | Cu | | C | Mn | Ni | Cu | | 780 | 6.5×10-7 | 3.9×10-12 | 3.1×10-12 | 2.6×10-12 | | 4.8×105 | 1185 | 1050 | 970 | | 660 | 1.9×10-7 | 12.5×10-14 | 2.5×10-14 | 4.0×10-14 | | 2.6×105 | 212 | 95 | 120 | | 500 | 2.1×10-8 | 2.5×10-16 | 3.6×10-17 | 2.0×10-17 | | 8.8×104 | 10 | 4 | 3 |
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