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研究了建筑用403Nb钢的蠕变行为。结果表明,403Nb钢的温度敏感性很强。晶界处的碳化物起到了钉扎晶界的作用,从而提高了403Nb钢的蠕变性能。
The creep behavior of 403Nb steel for construction was studied. The results show that the temperature of 403Nb steel is very sensitive. The carbides at the grain boundaries play the role of pinning grain boundaries, thereby improving the creep properties of 403Nb steel.