通过恒温拉伸试验测定了10CrNi3MoV钢在室温至1 000℃温度范围内的延伸率和强度,并借助热膨胀法测定了试验钢的相变特征温度Ac1和Ac3.结果表明,10CrNi3MoV钢在720～750℃温度区间内断后延伸率超过100％,表现出超塑性行为;其中720℃时塑性最好,断后延伸率达到123.5％,该温度略高于Ac1温度.
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