The ageing behavior of an Nb-bearing microalloyed steel at 525℃ was investigated by thermo-simulation test, hardness me......

运用热模拟技术,通过硬度测量及透射电镜（TEM）观察,分析了含Nb微合金钢奥氏体变形后长时间弛豫对低温（525℃）时效行为的影响。结果表明......