Zobrazeno 1 - 10
of 1 315
pro vyhledávání: '"Al–Zn–Mg–Cu alloy"'
Autor:
Qingdong Zhang, Jinrong Zuo, Yingxiang Xia, Janusz Tomczak, Zbigniew Pater, Zheng Ma, Chen Yang, Xuedao Shu, Bizhou Mei, Guobiao Wang
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 4106-4121 (2024)
The increasing demand for high-strength lightweight hollow shafts in transportation highlights the need for advanced fabrication techniques. Al–Zn–Mg–Cu alloys, noted for their superior properties, are selected for three-roll skew rolling (TRSR
Externí odkaz:
https://doaj.org/article/a637b14cfe4845d999bddd9d44c1478b
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1028-1045 (2024)
In this paper, isothermal thermal compression tests were carried out on Al–Zn–Mg–Cu alloys at varying deformation temperatures (360°C∼440°C) and strain rates (0.001s−1∼10s−1) using a Gleeble-3500C thermal simulation tester. Based on t
Externí odkaz:
https://doaj.org/article/8ac874e7b84b4472aee62ca1d709f5b5
Publikováno v:
Journal of Aeronautical Materials, Vol 44, Iss 4, Pp 118-127 (2024)
SEM,EBSD and TEM techniques were used to study the effects of grain boundary precipitation characteristics and the Fe-containing second phase(Al7Cu2Fe phase) formed under different aging regimes on the intergranular corrosion properties of Al-Z
Externí odkaz:
https://doaj.org/article/27c8611eb7324173b7513d0119f465b4
Autor:
Jungho Choe, Kyung Tae Kim, Jeong Min Park, Hyomoon Joo, Sang Guk Jeong, Eun Seong Kim, Soung Yeoul Ahn, Gang Hee Gu, Hyoung Seop Kim
Publikováno v:
Materials Research Letters, Vol 12, Iss 8, Pp 598-605 (2024)
Crack-free Al–Zn–Mg–Cu alloy, processed by laser powder bed fusion, displays a characteristic microstructure comprising fine equiaxed grains (EGs) and coarse columnar grains (CGs). Notably, the CGs show a high hardness compared to EGs due to th
Externí odkaz:
https://doaj.org/article/07c34fa5eefe4aae9ea44901a1d4b20a
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 1728-1743 (2024)
The mechanical properties of rolled 7075 aluminum alloy treated by non-isothermal retrogression and re-aging can exceed the traditional peak aging (T6) and isothermal retrogression and re-aging. After non-isothermal retrogression and re-aging (NIA 18
Externí odkaz:
https://doaj.org/article/0763663af2ed445f8c9bca6eec9f8d43
Autor:
Qingdong Zhang, Jinrong Zuo, Chen Yang, Yingxiang Xia, Xuedao Shu, Bizhou Mei, Ying Wang, Long Cui
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-22 (2024)
Abstract This study explores the hot deformation behavior of Al–Zn–Mg–Cu alloy through uniaxial hot compression (200 °C–450°C) using the Gleeble-1500. True stress–strain curves were corrected, and three models were established: the Arrhen
Externí odkaz:
https://doaj.org/article/bf5aba3252604cfbadf4c84a50d9bba9
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 5232-5248 (2024)
Forming at cryogenic temperatures provides a new approach to the formability improvement of 7000-series high-strength aluminum alloys. However, the cryogenic forming process based on solution-treated (W) or peak artificial aged (T6) alloys cannot mee
Externí odkaz:
https://doaj.org/article/2361ef0b2712473799fc7ad21968b85d
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 7843-7855 (2024)
In recent years, extensive research on dynamic precipitation has led to a growing interest in exploring how deformation affects microstructure and mechanical properties. In this study, the response of microstructure and performance to cold pre-strain
Externí odkaz:
https://doaj.org/article/e0a1bd0850474e4a8a86afde671ba74f
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 7816-7821 (2024)
Al–Zn–Mg–Cu alloy additive manufacturing components were fabricated by cold metal transfer advance (CMT-A) and metal inert-gas welding (MIG). The results indicate that the CMT-A as-deposited sample has fine grains with small-sized η'-strengthe
Externí odkaz:
https://doaj.org/article/c979932adc904886b29e769bbfc96f0d
Autor:
Zhen Zhang, Hailong Cong, Zijuan Yin, Bo Qi, Yi Dong, Lingjun Kong, Haichao Li, Konda Gokuldoss Prashanth
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 5927-5939 (2024)
Isothermal uniaxial compression experiments were performed in the temperature range of 340–460 °C and the deformation rate range of 0.001–1 s−1 to analyze the hot deformation behavior of the rapidly-solidified Al–Zn–Mg–Cu alloy in hot is
Externí odkaz:
https://doaj.org/article/6c7287df2ffa44d687239a44c2353c89