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- W2380332675 abstract "The influences of the welding methods,the protective gas and the preheat temperature on the welding penetration are discussed on the basis of the copper alloy ZQAl12-8-3-2.The microstructure and the mechanical properties of the joints made up with different welding materials are studied.The results show that the penetration of the consumable electrode gas shielded welding is deeper than that of non-consumable electrode gas shielded welding under the same condition.The welding penetration which use He_2 as the protective gas is obviously deeper than that of using Ar_2 in the TIG.The penetration will become larger with the increase of the preheat temperature.The tensile strength of copper alloy ZQAl12-8-3-2 with ZQAl12-8-3-2 as welding material and He_2 as the protective gas without preheating comes 630Mpa,and it can descend to 520MPa under the same condition with BRCuAl-A2 as the welding material.The morphology a+β+FeAl_3 is found in the joint with ZQAl12-8-3-2 as the welding material,and the grains in the joint is smaller than those in the heat-affected zone and those in the joints with BRCuAl-A2.The results have provided the theoretical and experimental foundation for the welding recovery of the copper alloy propeller." @default.
- W2380332675 created "2016-06-24" @default.
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- W2380332675 date "2006-01-01" @default.
- W2380332675 modified "2023-09-25" @default.
- W2380332675 title "Study on Welding Properties of Copper Alloy for Warship Propeller" @default.
- W2380332675 hasPublicationYear "2006" @default.
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