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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9. 退火不同时间试样中奥氏体相的体积分数和平均晶粒尺寸 | 
| Fig.9. Austenite phase volume fraction (a) average grain size, (b) of selected samples quenched at 900℃ | 
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