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		同素异构转变对退火态Fe-15Mn-10Al-0.3C双相钢塑性的影响
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			Effect of Allotropic Transformation on Plasticity of Fe-15Mn-10Al-0.3C Dual Phase Steel during Annealing
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| 图13. 拉伸试样断口处微裂纹的SEM照片 | 
| Fig.13. SEM images of microcracks at fracture of tensile samples (a) 10 s, (b) 2 min and (c) 1 h of SCRS respectively; (d) 10 s, (e) 2 min and (f) 1 h of DCRS | 
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