Zobrazeno 1 - 10
of 1 183
pro vyhledávání: '"ductile-brittle transition"'
Publikováno v:
Teshugang, Vol 45, Iss 6, Pp 102-107 (2024)
The microstructure morphology， low-temperature performance， and corrosion resistance of hot-rolled and normalized condition Gr.6 steel pipes were analyzed using optical microscopy， scanning electron microscopy， transmission electron microscop
Externí odkaz:
https://doaj.org/article/66e0cde4fd7243329dc91be997f36827
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 589-599 (2024)
The significant effect of Ni content (0.92, 1.94 and 2.94 wt%) on ductile-brittle transition temperature (DBTT) and microstructure in a 1000 MPa grade high-strength low-alloy (HSLA) steel was studied. Using scanning electron microscopy (SEM), electro
Externí odkaz:
https://doaj.org/article/9049333682284869ac9951006e37c889
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 2804-2814 (2024)
The development of pipeline steels with exceptional cryogenic toughness is deemed imperative for their applications in various engineering fields. In this work, API X65 steel with lamellar grain (LG) structure is constructed through warm deformation
Externí odkaz:
https://doaj.org/article/8564f3d68fb0440b9f08fd98d2c77a17
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 2876-2899 (2024)
Sapphire exhibits typical anisotropy due to its unique crystal structure, and there are significant property differences in different processing areas during the machining of curved sapphire component, making it essential to investigate the anisotrop
Externí odkaz:
https://doaj.org/article/43baeef60b304987b8d1104451b6236a
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 3655-3669 (2024)
High volume fraction (45 %) silicon carbide particle-reinforced Al matrix composites (SiCp/Al-MMCs) play an important role in various engineering fields due to their excellent properties, but the high hardness and brittleness of the SiC reinforcement
Externí odkaz:
https://doaj.org/article/9a76887f19df46e3b8d4d4b0b63b278c
Autor:
Qihang Xv, Zheng Li, Weiji Lai, Zhiguo Zhang, Xincheng Xu, Binbin Wang, Chen Zhong, Deqiang You, Xiaojian Wang
Publikováno v:
Materials & Design, Vol 241, Iss , Pp 112925- (2024)
Developing new bio-metallic materials with improved performance has attracted intensive research focus over the last decades. In the present work, a new series of (TiZr)95-xHfxMo5 (x = 0, 10, 15, 20, 25, 31.67) multi-principal elements alloys (MPEAs)
Externí odkaz:
https://doaj.org/article/237202cecbc844bfac4a08953b6b6dae
Autor:
Penghui Bai, Chunlei Shang, Hong-Hui Wu, Guoqiang Ma, Shuize Wang, Guilin Wu, Junheng Gao, Yimian Chen, Jinyong Zhang, Jiaming Zhu, Xinping Mao
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 6949-6964 (2023)
The escalating global demand for energy resources, particularly oil and natural gas, underlines the critical need for enhancing the performance of pipeline infrastructure. This necessity is particularly pronounced in extreme environments such as remo
Externí odkaz:
https://doaj.org/article/b8997382a1984c6f9b42620ae33a337d
Publikováno v:
Frontiers in Materials, Vol 10 (2024)
Polymers show a transition from ductile-to brittle fracture behavior at decreasing temperatures. Consequently, the material toughness has to be determined across wide temperature ranges in order to determine the Ductile-Brittle Transition Temperature
Externí odkaz:
https://doaj.org/article/f94c58de01574989ac035d88bdc9327d
Publikováno v:
Nuclear Materials and Energy, Vol 37, Iss , Pp 101540- (2023)
In this work, cracking of the surface of a tungsten plate was studied using a PW-7 pulsed plasma accelerator. The surface of the tungsten plate was exposed at an energy density and plasma flux duration of 1.1 MJ/m2 and 200 μs, respectively. Before e
Externí odkaz:
https://doaj.org/article/8516c6ee248e4852a9efca78b989b9bd
Publikováno v:
矿业科学学报, Vol 7, Iss 6, Pp 700-709 (2022)
The fracture complexity of tight sandstone could work to improve the efficiency of tight gas reservoir fracturing.In this paper, three-point bending loading tests was used to characterize the fracture behavior, mechanical properties, fracture path an
Externí odkaz:
https://doaj.org/article/4b872723d6454692abdb2f4e799c827a