Zobrazeno 1 - 10
of 9 633
pro vyhledávání: '"hot-deformation"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 9180-9194 (2024)
This study investigates the hot deformation behavior and microstructural evolution of wire arc additive manufactured (WAAMed) NiTi alloy. Hot deformation tests were conducted within a temperature range of 750–900 °C and a strain rate range of 0.01
Externí odkaz:
https://doaj.org/article/7323f046d6c14b86aa1c4172ec56e7ef
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 9014-9032 (2024)
Mg alloys are the lightest metallic structural material with tremendous application value. Dynamic recrystallization (DRX) is the most important grain refining and texture weakening mechanism for Mg alloys. The DRX kinetic models establish the relati
Externí odkaz:
https://doaj.org/article/191ca91230c943bba2770ff6d499fbcd
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 7990-8001 (2024)
The GH4738 nickel-based superalloy exhibits exceptional overall performance at high temperatures. However, its high deformation resistance, narrow hot working window, and complex microstructural evolution pose significant challenges to plastic deform
Externí odkaz:
https://doaj.org/article/ab92ca1edee5412baaa3fbd8329a7905
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 7345-7361 (2024)
Herein, the high-temperature hot deformation and dynamic recrystallization (DRX) behavior of high-manganese steel were investigated through the measurement of true stress-strain curves, the establishment of constitutive equations, the construction of
Externí odkaz:
https://doaj.org/article/c6c9e786827d4258be6e3bccba6ca0a6
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 5576-5586 (2024)
The addition of Ca could enhance the ignition point of magnesium alloys but impairing their workability, so it is essential to study the hot deformation behavior of new Ca-containing ignition resistance magnesium alloys. The hot deformation behavior
Externí odkaz:
https://doaj.org/article/3c813ff61d0b4e12ace4974fd6eb34e3
Autor:
Zhiyu Han, Meng Zhou, Ke Jing, Chunhe Chu, Yi Zhang, Baohong Tian, Zheng'ao Li, Ziyi Qin, Jin Zou, Xu Li, Huiwen Guo
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 5490-5503 (2024)
In this study, the thermal deformation behavior of Cu–Ti–Zr(-Mg) alloys were investigated by Gleeble-1500D. The two alloys were deformed at 700–900 °C with 0.003–10 s−1 strain rate. The intrinsic equations of the two alloys were constructe
Externí odkaz:
https://doaj.org/article/fb8c242b54d84b78afb84848ddc2af9f
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 4725-4738 (2024)
This study utilized Al–Zn–Mg–Cu alloy chips as raw materials to prepare recycled billets through a solid-state recycling process. Isothermal hot compression tests were conducted using a thermal simulation machine to establish an Arrhenius-type
Externí odkaz:
https://doaj.org/article/d57f6cc75f084f6dbcf417ae3cc1536e
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 1359-1365 (2024)
Understanding the hot deformation behavior of steel and establishing corresponding hot processing maps are crucial methods for determining appropriate hot processing parameters. In this article, the hot deformation behavior of a high-nitrogen austeni
Externí odkaz:
https://doaj.org/article/15196687a19c41629e2c4ea1f476f9d1
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 2315-2330 (2024)
Hot compression tests were used to examine the hot deformation behavior and of high-grade pipeline X80 steel at strain rates of 0.001–1 s−1 and temperatures of 950–1100 °C. Two approaches were used to model material flow curves. The first used
Externí odkaz:
https://doaj.org/article/80e244ac562c4aa6a1721078a1285698
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 298-317 (2024)
Through hot compression and subsequent heat treatment experiments on GH4079 superalloy, the influence of different hot deformation and heat treatment conditions on the evolution of GH4079 superalloy microstructure was studied. The evolution of grains
Externí odkaz:
https://doaj.org/article/60cc9977d265464abee6e8ac578319e2