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2019110 · Experimental procedures. Three A7N01 aluminum alloys with different Si contents (0.01%wt. Si, 0.1%wt. Si and 0.38%wt. Si) were investigated in this work. The
contact201913 · A7N01 aluminum alloy is widely used in rail transit industry due to its excellent comprehensive mechanical properties. However, due to its sensitivity to stress
contact202332 · In this paper, a self-designed low copper 7A48 wire containing scandium was used as filler material for metal inert gas (MIG) welding of 4 mm thick A7N01-T4
contactThe influence of addition of Mg and Ti on the corrosion behavior of Al-alloy A7N01 was studied by means of electrochemical corrosion test and stress corrosion cracking test, as
contact2019121 · B.S. Gong, Z. J. Liu, Z.J. Zhang, Z.F. Zhang, Improving the fatigue strength of A7N01 aluminum alloy by adjusting Si content，Materials Science and
contactChemical compositions of A7N01 aluminum alloy Source publication Fatigue crack propagation characteristics of high strength aluminum alloy welded joint used by high
contactThe A7N01 aluminum alloy was welded by MIG welding in test, and the microstructure and mechanical property of joint were investigated. The results of experimentation show that
contact2019110 · Fig. 1 shows the OM microstructure of the three A7N01-T6 aluminum alloys, which indicates the overall heterogeneity of the microstructure. According to Fig. 1 a-c, the three alloys have fibrous tissue (the dark area in the figure) along the rolling direction, which is a typical micro structural feature of extrusion aluminum alloy materials [28], [29].
contactAs high-strength aluminum alloy for traction beam of high-speed rail, the fatigue strength of A7N01 aluminum alloy is particularly critical for its industrial application. In order to improve the fatigue strength of this aluminum alloy, three kinds of A7N01 aluminum alloy with different Si content were selected.
contactThe homogenization annealing was carried out, and the 7N01 aluminum alloy was used at 300 °C, 350 °C, 400 °C, 450 °C and 0.1 s-1, ... Abstract: A heat treatable A7N01 (Al-Zn-Mg) aluminum alloy mainly used to fabricate high-speed train body structures was double-sided welded by MIG welding. The natural aging behavior of the joint was ...
contact2019425 · －TIGA7N01-ResearchGate.PDF,See discussions, stats, and author profiles for this publication at: /publication/0 Microstructure and Mechanical Property of A7N01 Aluminum Alloy Joints by Fiber Laser-Variable ...
contactIn this paper, the residual stress of A7N01 aluminum alloy welded joints was measured by X-ray diffraction. In contrast to the traditional method, the cos α method was used in this paper, the results were compared with those obtained by the conventional sin 2 ψ method.
contactCN2A - A7N01 aluminum alloy containing rare . 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
contact201913 · Study of residual stresses in A7N01 aluminum alloy with X-ray diffraction Debye ring analysis January 2019 International Journal of Modern Physics B 33(01n03):
contact201639 · In this paper, an experimental study of laser-metal inert gas (MIG) hybrid welding of A7N01-T6 aluminum alloy in butt joint configuration was carried out. Visual examination and optical microscope were utilized to study the macro profile and microstructure, while mechanical properties of the welds were evaluated with the help of
contact2022120 · the A7N01 alloy was being increasingly used for the high-speed train body structures. Welding was the primary method used to join aluminum alloy structures because it could decrease the high manufacturing cost and simplify product design [7-10]. Hence, the welding of 7N01 aluminum alloy plates has attracted many interests in recent
contactThe welding residual stress has different effects on the mechanical properties of aluminum alloy welded joints, such as size stability, fatigue strength and stress corrosion cracking. Therefore, it is very important to evaluate the welding residual stress accurately. In this paper, the residual stress of A7N01 aluminum alloy welded joints was measured by X-ray
contactA heat treatable A7N01 (Al-Zn-Mg) aluminum alloy mainly used to fabricate high-speed train body structures was double-sided welded by MIG welding. The natural aging behavior of the joint was systematically studied by local and global mechanical property testing method. Based on TEM observation and EPMA analysis, the key factors that lead to different
contact2017331 · Surface Treatment, A7N01 Aluminum Alloy, Welding Joints, Fatigue Crack Growth Rate A7N01MIG 1，2，2 1， 2
contactaluminium alloy A7N01, A7075 and aluminium beverage can scraps. The range of semisolid temperatures was estimated by measuring the cooling curve with a DL 708E 8Ch, Digital Scope for each of these alloy scraps. The experimental conditions are shown in ...
contact7N01，a7n01: Temper: T4，T6,T651，T351，T451: Application: Bed Aluminum Plate Of High Train And ，Coal Transportation Vehicle: Shape: Plate，sheet，panel: Standard: GB/T3880, ASTM B209: Item: A7n01 Aluminum A7n01-t6 Aluminum Sheet: High Light: aluminium alloy sheet, aluminum plate panels
contact202161 · In this paper, an external magnetic field was introduced to resistance spot welding (RSW) to improve the weldability of A7N01 aluminum alloy. Comparative studies of the macro- and micro-structures, microhardness, and the static and dynamic mechanical properties between welds produced by traditional RSW and magnetically assisted RSW
contact202311 · In this paper, a batch of butt-welded aluminum alloy A7N01 plates with defects were repaired by hybrid laser welding with one time. Then, the structural integrity of the repaired joints was examined by comparing the nondestructive testing (NDT) results, microstructures, tensile and fatigue behaviors with those from original joints, which are ...
contact2012121 · Abstract. Fatigue characteristics of A7N01 aluminium alloy welded joint were investigated and a fatigue crack initiation life-based model was proposed. The difference of fatigue crack initiation life among base metal, weld metal and heat affected zone (HAZ) is slight. Furthermore, the ratio of fatigue crack initiation life ( Ni) to fatigue life ...
contact2016822 · Residual stress measurement and control are highly important for the safety of structures of high-speed trains, which is critical for the structure design. The longitudinal critically refracted wave technology is the most widely used method in measuring residual stress with ultrasonic method, but its accuracy is strongly related to
contact201639 · In this paper, an experimental study of laser-metal inert gas (MIG) hybrid welding of A7N01-T6 aluminum alloy in butt joint configuration was carried out. Visual examination and optical microscope were utilized to study the macro profile and microstructure, while mechanical properties of the welds were evaluated with the help of
contact2019121 · B.S. Gong, Z. J. Liu, Z.J. Zhang, Z.F. Zhang, Improving the fatigue strength of A7N01 aluminum alloy by adjusting Si content，Materials Science and Engineering: A. 742（2019）15-22. ICP ...
contactThereinto, high-strength A7N01-T4 aluminum alloy is the key structural material for high-speed train body, car body, and the most ideal medium strength welding structural material [6]. So it is ...
contact2016511 · A7N01: the aluminum alloy base metal used in the present investigation. (B) JISH 4000-2006: the corresponding Japanese Al alloy with the Japanese Industrial Standard (JISH 4000-2006).
contactHigh strength Al-Zn-Mg-Cu system aluminum alloys (type 7A04) are widely used in aerospace and rail transit due to the advantages of light quality, big ratio intension, good plasticity and ...
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