含<strong>Al</strong>耐热奥氏体不锈钢的团簇式成分设计

含Al耐热奥氏体不锈钢的团簇式成分设计

张姝琪, 董丹丹, 万鹏, 王清, 董闯, 杨锐

Composition Design of Alumina-Forming Austenitic Stainless Steels Based on Cluster-Plus-Glue-Atom Model

ZHANG Shuqi, DONG Dandan, WAN Peng, WANG Qing, DONG Chuang, YANG Rui

表2 设计合金的团簇成分式、标记、元素含量、硬度、计算强度(根据奥氏体不锈钢维氏硬度与拉伸强度的换算公式^[30]计算)及当量(根据Uggowitzer的当量公式^[24]计算)

Table 2 The cluster formula, mark, element content, Vickers hardness, calculated strength (calculated by the conversion equations between Vickers hardness and tensile strength^[30]) and equivalents (calculated by Uggowitzer's equivalent equations^[24]) of designed alloys

Cluster formula	Mark	Element content/%, mass fraction	Solutionized hardness (HV)	Calculated strength /MPa		Aged hardness (HV)	Calculated strength /MPa		Cr_eq	Ni_eq	Ni_eq/Cr_eq
Cluster formula	Mark	Element content/%, mass fraction	Solutionized hardness (HV)	R_P0.2	R_m	Aged hardness (HV)	R_P0.2	R_m	Cr_eq	Ni_eq	Ni_eq/Cr_eq
Al_0.8Si_0.05Nb_0.15-Fe_8.7Ni_3.0Mn_0.3-Cr_2.8Mo_0.2	Al_0.8Ni_3.0	Fe-2.45Al-0.16Si-1.58Nb-19.99Ni-1.87Mn-16.53Cr-2.18Mo-0.10C	181.44	404.0	633.5	223.56	547.2	721.9	28.8	23.0	0.80
Al_1.0Si_0.05Nb_0.15-Fe_8.7Ni_3.0Mn_0.3-Cr_2.6Mo_0.2	Al_1.0Ni_3.0	Fe-3.08Al-0.16Si-1.59Nb-20.10Ni-1.88Mn-15.43Cr-2.19Mo-0.10C	224.46	550.3	723.8	255.38	655.4	788.8	29.3	23.1	0.79
Al_1.1Si_0.05Nb_0.15-Fe_8.7Ni_3.0Mn_0.3-Cr_2.5Mo_0.2	Al_1.1Ni_3.0	Fe-3.40Al-0.16Si-1.60Nb-20.16Ni-1.89Mn-14.88Cr-2.20Mo-0.10C	239.60	601.7	755.6	280.84	742.0	842.2	29.5	23.2	0.79
Al_1.0Si_0.05Nb_0.15-Fe_8.5Ni_3.2Mn_0.3-Cr_2.6Mo_0.2	Al_1.0Ni_3.2	Fe-3.08Al-0.16Si-1.59Nb-21.43Ni-1.88Mn-15.42Cr-2.19Mo-0.10C	235.60	588.1	747.2	274.82	721.5	829.6	29.3	24.5	0.84
Al_1.0Si_0.05Nb_0.15-Fe_8.3Ni_3.4Mn_0.3-Cr_2.6Mo_0.2	Al_1.0Ni_3.4	Fe-3.08Al-0.16Si-1.59Nb-22.75Ni-1.88Mn-15.41Cr-2.19Mo-0.10C	231.35	573.7	738.3	271.62	710.6	822.9	29.2	25.8	0.88
Al_1.0Si_0.05Nb_0.15-Fe_8.0Ni_3.7Mn_0.3-Cr_2.6Mo_0.2	Al_1.0Ni_3.7	Fe-3.07Al-0.16Si-1.59Nb-24.74Ni-1.88Mn-15.40Cr-2.19Mo-0.10C	218.21	529.0	710.7	277.80	731.6	835.8	29.2	27.8	0.95
Al_1.0Si_0.05Nb_0.15-Fe_7.7Ni_4.0Mn_0.3-Cr_2.6Mo_0.2	Al_1.0Ni_4.0	Fe-3.07Al-0.16Si-1.59Nb-26.72Ni-1.88Mn-15.38Cr-2.18Mo-0.10C	242.79	612.6	762.3	304.81	823.5	892.6	29.2	29.7	1.02