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2 Fe22Cr5Al3Mo-xNb合金的XRD特征峰参数(θ，d)和晶格常数平均值(ā)

Table 2 XRD characteristic peak parameters (θ, d) and average lattice constant (ā) of Fe22Cr5Al3Mo-xNb alloy

Alloy (110) (200) (211) ā / nm θ / (°) d / nm θ / (°) d / nm θ / (°) d / nm 0Nb 44.48 0.20352 64.79 0.14377 82.19 0.11719 0.28747 0.5Nb 44.45 0.20365 64.79 0.14377 82.13 0.11725 0.28758 1.0Nb 44.45 0.20365 64.58 0.14419 82.13 0.11725 0.28786 2.0Nb 44.24 0.20456 64.31 0.14473 81.41 0.11811 0.28935