2019-6-14 Investigation on strengthening of 7075 aluminum alloy sheet in a new hot stamping process with pre-cooling. Lijuan Zhu 1, Zhaoxiang Liu 1 Zhiqiang Zhang 1 The International Journal of Advanced Manufacturing Technology volume 103, pages 4739–4746 (2019)Cite this article
Cited by: 5Download Citation Investigation on strengthening of 7075 aluminum alloy sheet in a new hot stamping process with pre-cooling Hot stamping (HS) process is a new technology for fabricating high ...
2019-6-14 Investigation on strengthening of 7075 aluminum alloy sheet in a new hot stamping process with pre The International Journal of Advanced Manufacturing Technology ( IF 3.226) Pub Date : 2019 Lijuan Zhu,Zhaoxiang Liu,Zhiqiang Zhang
2020-4-17 7xxx-Series aluminum alloys have a wide application prospect in the automotive industry due to its higher strength than other series of aluminum alloy. However, little literature has been reported on the formability and strengthening behavior of 7xxx-series aluminum alloys for the structural components of body in white (BIW).
Cited by: 32020-11-2 Aluminum alloys have drawn considerable attention in the area of automotive lightweight. High strength aluminum alloys are usually deformed at elevated temperatures due to their poor formability at room temperature. In this work, the yield behavior of 7075 aluminum alloy in T6 temper (AA7075-T6) within the temperature ranging from 25 °C to 230 °C was investigated.
Cited by: 3In the current paper, effects of die temperature which controls the quenching rate on the mechanical properties of 7075 aluminum alloy under hot stamping conditions were
预计阅读时间：6 分钟2013-12-20 The material used in this investigation is 7075 aluminum alloy. The heat treatment process for this material is T651, which means solution-treatment at 743 K for 1 h, quenching in cold water, artificial aging treatment at 393 K for 24 h and then 5% pre-stretching to release residual stress.The chemical compositions are shown in Table 1.Plate specimens with a rectangular cross section of 3
Cited by: 712 天前 Considering the possible multiple mechanisms (refer next paragraph) which can occur while performing LSPwC and understanding from our previous investigation, 7075-T6 aluminum alloy is selected as work material in this investigation. 7075-T6 is a well-known precipitation hardened aluminum alloy rich in Zinc (Zn), Magnesium (Mg) and Copper (Cu ...
2011-4-1 The deformation behavior and microstructural evolution of a 7075-T6 aluminum alloy have been investigated through applying hot compression tests at different temperatures and strain rates (450, 500, 520, 550, 580 °C and 0.004, 0.04 and 0.4 s −1).The peak stress levels in different conditions were extracted from the related true stress–true strain curves.
Cited by: 161Precipitation strengthening is the main strengthening method of 7075 alloy, the shape, number, and size of the precipitated strengthening phase all affect the mechanical properties of the aluminum ...
In the HSPC of 7075 aluminum alloy, the blanks exhibited two pre-cooling modes: air cooling pre-cooling (ACPC) and cold iron pre-cooling (CIPC). The effects of pre-cooling rate and temperature on the microstructure and mechanical properties of formed parts were studied.
2020-11-2 Aluminum alloys have drawn considerable attention in the area of automotive lightweight. High strength aluminum alloys are usually deformed at elevated temperatures due to their poor formability at room temperature. In this work, the yield behavior of 7075 aluminum alloy in T6 temper (AA7075-T6) within the temperature ranging from 25 °C to 230 °C was investigated.
Aging was performed in the range of 100 to 200°C for various times. It was concluded that the maximum strength in 2024 alloy was developed at l80-190°C after 10 hours and in 7075 alloy at 120°C for 28 hours. In order to determine the strengthening mechanisms in these alloys qualitatively, the T8 treatment (cold work plus aging) was carried out.
In the current paper, effects of die temperature which controls the quenching rate on the mechanical properties of 7075 aluminum alloy under hot stamping conditions were studied. Die temperatures ...
2020-9-16 The tensile strength also increased from 151.82 ± 1.07 MPa to 212.85 ± 7.35 MPa. The results also revealed that the addition of Sc element in 7075 aluminum alloys not only reduced the corrosion current density of the alloy, but also increased the corrosion resistance of the alloy in the corrosive environment.
Precipitation strengthening is the main strengthening method of 7075 alloy, the shape, number, and size of the precipitated strengthening phase all affect the mechanical properties of the aluminum ...
2020-9-5 The grain bonding states of matrix alloys are strengthened by the combination of fine grains strengthening and dispersion strengthening and thus affect the fracture morphology. The micro-fracture mechanism of 7075 aluminum alloy is micro-porous aggregation fracture, however, the 7075 aluminum matrix composites (AMCs) are quasi cleavage fracture.
2 天前 Considering the possible multiple mechanisms (refer next paragraph) which can occur while performing LSPwC and understanding from our previous investigation, 7075-T6 aluminum alloy is selected as work material in this investigation. 7075-T6 is a well-known precipitation hardened aluminum alloy rich in Zinc (Zn), Magnesium (Mg) and Copper (Cu ...
Investigation On Strengthening Of 7075 Aluminum - stamping (HS) process is a new technology for fabricating high-strength aluminum alloy. In order to improve the formability of materials in the forming process, a new hot stamping process with pre-cooling (HSPC) is proposed in this paper.
2015-8-1 Stationary shoulder friction stir welding (SSFSW) was successfully performed on 7075-T651 aluminum alloy. Defect-free joints with smooth weld surface were obtained. The redistribution of constituent particles and the dissolution of η′ precipitates resulted in
[PDF]2016-1-4 The dependence of microhardness of the 7075Zr alloy on the annealing duration, heat treated at 500 °C. Duration of annealing [h] non-annealed 5 10 Microhardness [HV] 148 ± 8 113 ± 5 110 ± 5 Figure 7. The microhardness map of the 7075 alloy: (a) non-annealed (naturally aged), (b) annealed at 300 °C for 1 h, (c) annealed at 500 °C for 1 h.
Aging was performed in the range of 100 to 200°C for various times. It was concluded that the maximum strength in 2024 alloy was developed at l80-190°C after 10 hours and in 7075 alloy at 120°C for 28 hours. In order to determine the strengthening mechanisms in these alloys qualitatively, the T8 treatment (cold work plus aging) was carried out.
This study explored the effect of coconut husk on the tribological behavior of hybrid composite Al 7075/5 wt. % Sic/Xwt. %coconut husk(X=6,4 and0).The research confirms the performance of wear properties by incorporating coconut husk into the composite. The sic-coconut husk reinforced Al 7075 (aluminum alloy 7075) was studied.
[PDF]2016-12-5 89 LASER CLADDING OF HIGH STRENGTH ALUMINIUM ALLOY 7075 POWDER ON A 7075 SUBSTRATE FOR REPAIR OF DAMGED COMPONENTS R. Cottam1,4, Q. Liu2,4, Y.C. Wong1,4, J. Wang1, M. Brandt3,4 . 1. Industrial Laser Applications Laboratory, IRIS, Faculty of Engineering and Industrial Sciences, Swinburne University of
[PDF]2010-8-31 The thermodynamics of precipitation in 7075 Al-alloy can best be understood by referring to the binary phase diagram of Aluminum-Zinc in the aluminum-rich region in Figure 8-1. Figure 8-1: Schematic phase diagram for an age hardenable alloy. When the aluminum-zinc alloy of less than 5-6 wt% zinc is heated to temperature just above the solvus
2021-9-21 An attempt has been made to investigate dry and cryogenic friction stir welding of AA 7075 aluminium alloy, which is predominantly availed in aerospace and defence component industries. These industries avail friction stir welding for joining two nonferrous materials, and minimal deviations and maximum strength are the preliminary and long time goal.
2020-9-16 The tensile strength also increased from 151.82 ± 1.07 MPa to 212.85 ± 7.35 MPa. The results also revealed that the addition of Sc element in 7075 aluminum alloys not only reduced the corrosion current density of the alloy, but also increased the corrosion resistance of the alloy in the corrosive environment.
2 天前 Considering the possible multiple mechanisms (refer next paragraph) which can occur while performing LSPwC and understanding from our previous investigation, 7075-T6 aluminum alloy is selected as work material in this investigation. 7075-T6 is a well-known precipitation hardened aluminum alloy rich in Zinc (Zn), Magnesium (Mg) and Copper (Cu ...
Investigation On Strengthening Of 7075 Aluminum - stamping (HS) process is a new technology for fabricating high-strength aluminum alloy. In order to improve the formability of materials in the forming process, a new hot stamping process with pre-cooling (HSPC) is proposed in this paper.
Made available by U.S. Department of Energy Office of Scientific and Technical Information ...
Article “Investigation on strengthening of 7075 aluminum alloy sheet in a new hot stamping process with pre-cooling” Detailed information of the J-GLOBAL is a service based on the concept of Linking, Expanding, and Sparking, linking science and technology ...
Aging was performed in the range of 100 to 200°C for various times. It was concluded that the maximum strength in 2024 alloy was developed at l80-190°C after 10 hours and in 7075 alloy at 120°C for 28 hours. In order to determine the strengthening mechanisms in these alloys qualitatively, the T8 treatment (cold work plus aging) was carried out.
[PDF]2016-12-5 89 LASER CLADDING OF HIGH STRENGTH ALUMINIUM ALLOY 7075 POWDER ON A 7075 SUBSTRATE FOR REPAIR OF DAMGED COMPONENTS R. Cottam1,4, Q. Liu2,4, Y.C. Wong1,4, J. Wang1, M. Brandt3,4 . 1. Industrial Laser Applications Laboratory, IRIS, Faculty of Engineering and Industrial Sciences, Swinburne University of
Aluminum alloys have drawn considerable attention in the area of automotive lightweight. High strength aluminum alloys are usually deformed at elevated temperatures due to their poor formability at room temperature. In this work, the yield behavior of 7075 aluminum alloy in T6 temper (AA7075-T6) within the temperature ranging from 25 °C to 230 °C was investigated.
Investigation on variations in hardness and microstructure of in-process cooled 7075 aluminum alloy friction stir welds Untersuchung der Veränderung der Härte und der Mikrostruktur von aus dem Prozess heraus abgekühlten Rührreibschweißungen der Aluminiumlegierung 7075.
A 7075 aluminum alloy is widely used in the fields of transportation and aerospace because of its high strength and low density. In this paper, the effect of homogenization annealing on the microstructure of 7075 aluminum alloy was studied. The microstructure and second phase evolution of 7075 aluminum alloy were analyzed by optical microscope (OM), X-ray diffractometer (XRD), scanning ...
2 天前 Considering the possible multiple mechanisms (refer next paragraph) which can occur while performing LSPwC and understanding from our previous investigation, 7075-T6 aluminum alloy is selected as work material in this investigation. 7075-T6 is a well-known precipitation hardened aluminum alloy rich in Zinc (Zn), Magnesium (Mg) and Copper (Cu ...
Made available by U.S. Department of Energy Office of Scientific and Technical Information ...
2018-2-16 The intention of authoring this paper was giving the report of reviewing task of the previous researches done on the strengthening mechanisms and heat treatment of 7xxx aluminum alloys. The overall conclusion is that, the most powerful and so the most common strengthening mechanism in 7xxx alloys is the precipitation hardening (T6 heat treatment).
[PDF]2010-2-1 There are eight series (1xxx to 8xxx) of wrought aluminium alloys where the first digit denotes their main alloying element, e.g. 7xxx series represents aluminium alloys with the highest achievable strength containing Zn as the main alloying element. Fig. 2.5 [Web4] shows the classification of wrought aluminium alloys: