铝对Cr8WMo2V2SiNb钢临界点及淬火组织的影响Effect of aluminum on critical point and quenched microstructure of Cr8WMo2V2SiNb steel
迟宏宵,马党参,雍岐龙,吴立志,张占普,李东丽
摘要(Abstract):
利用Thermo-calc软件计算了含铝和不含铝Cr8WMo2V2SiNb钢中各相体积分数的变化,结果表明:铝的加入能明显提高该钢的Ac1点,珠光体向奥氏体转变过程中出现较宽温度范围的铁素体相区。通过试验证明:加入1.2%Al后,实验钢的Ac1点显著升高并且淬火组织中出现铁素体组织,与计算结果十分吻合。
关键词(KeyWords): 铝;临界点;Cr8WMo2V2SiNb钢
基金项目(Foundation):
作者(Author): 迟宏宵,马党参,雍岐龙,吴立志,张占普,李东丽
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