Nb对Fe22Cr5Al3Mo合金显微组织和耐腐蚀性能的影响

钱月,孙蓉蓉,张文怀,姚美意,张金龙,周邦新,仇云龙,杨健,成国光,董建新

Effect of Nb on Microstructure and Corrosion Resistance of Fe22Cr5Al3Mo Alloy

Yue QIAN,Rongrong SUN,Wenhuai ZHANG,Meiyi YAO,Jinlong ZHANG,Bangxin ZHOU,Yunlong QIU,Jian YANG,Guoguang CHENG,Jianxin DONG

表1 Fe22Cr5Al3Mo-xNb合金的成分 (mass fraction / %)

Table 1 Chemical compositions of the Fe22Cr5Al3Mo-xNb alloys (mass fraction / %)

Alloy Cr Al Mo Nb C N Fe 0Nb 22.90 5.25 3.64 0.03 0.032 0.0089 Bal. 0.5Nb 22.45 5.17 3.52 0.47 0.025 0.0047 Bal. 1.0Nb 22.89 5.29 3.73 0.98 0.022 0.0039 Bal. 2.0Nb 23.39 5.37 3.84 1.96 0.036 0.0082 Bal.