CaF2-TiO2 焊剂作用下EH36船板钢气电立焊焊缝金属组织优化及力学性能调控

CaF₂-TiO₂ 焊剂作用下EH36船板钢气电立焊焊缝金属组织优化及力学性能调控

谢旭, 万一博, 钟明, 邹晓东, 王聪

Optimizing Microstructures and Mechanical Properties of Electro-Gas Welded Metals for EH36 Shipbuilding Steel Treated by CaF₂-TiO₂ Fluxes

XIE Xu, WAN Yibo, ZHONG Ming, ZOU Xiaodong, WANG Cong

表4 WM中母材稀释率(d)、典型元素的名义成分(M_N)和过渡交换量的变化值(ΔM)

Table 4 Dilution fractions of base material (d); nominal compositions (M_N) and transitional exchange values (ΔM) of typical elements in WM

WM number	d %	M_N (mass fraction / %)				ΔM (mass fraction / %)
WM number	d %	O	Ti	Mn	Si	O	Ti	Mn	Si
WM1	29.1	0.002	0.037	2.218	0.218	0.020	0.004	-0.138	-0.012
WM2	28.6	0.002	0.038	2.223	0.219	0.022	0.006	-0.193	-0.014
WM3	28.2	0.002	0.038	2.228	0.221	0.023	0.010	-0.368	-0.020
WM4	30.7	0.002	0.037	2.202	0.213	0.025	0.022	-0.382	-0.028
WM5	31.5	0.002	0.037	2.194	0.211	0.027	0.026	-0.404	-0.046