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CN104046862A A7N01 aluminum alloy containing rare earth .

The invention discloses an A7N01 aluminum alloy containing rare earth elements. The rare earth elements comprise, by weight, no less than 0.01 but no more than 0.5 of Er and no less than 0.01 but no more than 0.5 of La other components of the A7N01 aluminum alloy accord with international standards for the A7N01 aluminum alloy.

Improving the fatigue strength of A7N01 aluminum alloy by .

Three A7N01 aluminum alloys with different Si contents 0.01wt. Si, 0.1wt. Si and 0.38wt. Si were investigated in this work. The ascast aluminum alloys were drawn into rods with a diameter of 14 mm. All the bars were cut into rods of 200 mm in length and annealed at 470 C for 24 h to achieve homogeneous microstructure.

Improving the fatigue strength of A7N01 aluminum alloy by .

In order to improve the fatigue strength of this aluminum alloy, three kinds of A7N01 aluminum alloy with different Si content were selected. The result indicates that, with the increase of Si element content, the fatigue strength is enhanced monotonously and meanwhile the dispersivity of SN curves is largely reduced.

A7n01 T6 Aluminum Alloy Plate For High Train / Coal .

High quality A7n01 T6 Aluminum Alloy Plate For High Train / Coal Transportation Vehicle from China, China39s leading aluminium alloy sheet product, with strict quality control aluminum plate panels factories, producing high quality aluminum plate panels products.

Natural Aging Behavior of DoubleSided MIG Welded A7N01T5 .

A heat treatable A7N01 AlZnMg aluminum alloy mainly used to fabricate highspeed train body structures was doublesided welded by MIG welding. The natural aging behavior of the joint was systematically studied by local and global mechanical property testing method.

Quench Sensitivity of AA7N01 Alloy Used for HighSpeed Train .

Therefore, the A7N01 alloy has been increasingly used for highspeed train body structures.13 Quench sensitivity is also an important problem for the large sectional aluminum profiles used for highspeed train body structures.14 However, little work has been carried out on the quench sensitivity of the AlZnMg alloy as used in the highspeed .

Investigation on Double Wire Metal Inert Gas Welding of A7N01 .

Fourmillimeter thick A7N01T4 aluminum alloy plates were welded by double wire metal inert gas welding DWMW in high welding speeds, ranging from 1100 to 1250 mm/min. The results show that a sound joint could be obtained at a high speed of 1200 mm/min using DWMW. The weld zone WZ in the joint showed a dendritic structure of equiaxed grains, and in the fusion zone FZ, the microstructure .

PDF Stress Corrosion Cracking Behavior of A7N01ST5 .

A7N01T5 base metal K licrack initiation time curve of. A7N01T5 HAZ. K ISCC K ISCC. 100. Crack Initiation Time h 150 200 250 0 50 100. Crack Initiation Time h 150 200 250. FIGURE 9. The K. Ii.