Zobrazeno 1 - 10
of 6 423
pro vyhledávání: '"Impact toughness"'
Publikováno v:
Teshugang, Vol 45, Iss 6, Pp 69-72 (2024)
The 2205 duplex stainless steel （/%：0.03C， 1.00Si， 2.00Mn， 0.03P， 0.02S， 21.00-23.00Cr， 4.50-6.50Ni， 2.50-3.50Mo， 0.08-0.20N） were prepared by a smelting process combining 20 t electric arc furnace and ladle refining （EAF+AOD+
Externí odkaz:
https://doaj.org/article/1f09e6809c334754af2982683ac3b254
Autor:
Li Hao, Chaolei Zhang, Chenxuan Liu, Jianlin Sun, Wanli Sun, Shuize Wang, Junheng Gao, Honghui Wu, Haitao Zhao, Xinping Mao
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 4654-4673 (2024)
In this paper, the influence of decreasing Zr content (0.0110 wt%, 0.0044 wt%) on the microstructure, MnS inclusion characteristics, and mechanical properties of medium carbon ferrite-pearlite steel was studied. The results show that the volume fract
Externí odkaz:
https://doaj.org/article/285a8aac83964ef3aa383fcc78dc57fd
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 2464-2477 (2024)
This work developed a new high toughness 5% Cr martensitic hot working die steel (GYDCK-20), which exhibits better thermal stability and thermal fatigue resistance than AISI H13 steel. The concrete study involves: conducting on the evolution of micro
Externí odkaz:
https://doaj.org/article/a6a6633e1f074f009bd48cf9b1d6e6af
Autor:
Shuai Gao, Kejia Pan, Dongxu Chen, Bao Wang, Shixing Wu, Xuan Luo, Minghan Sun, Chao Zhao, Ning Li
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 318-334 (2024)
Understanding the mechanism of oxygen on toughness of titanium alloys is crucial for popularizing powder metallurgy. In this work, the effect of oxygen content (1500, 3000 and 5000 ppm) on the impact toughness of powder metallurgically modified titan
Externí odkaz:
https://doaj.org/article/2d0458fa93e24dcb9346a25cd0006f29
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1118-1126 (2024)
Impact toughness, tensile properties, grains, and inclusions of industrial Al-killed steel Q355B were investigated by adding cerium (Ce) from 0, 0.0028%–0.0048%. The results revealed that: (1) With the increase of Ce additions, the size of inclusio
Externí odkaz:
https://doaj.org/article/cbc925039d864678a9885209dccd93d1
Autor:
Savyasachi Nellikode, Siva Prasad Murugan, Jun-Ho Chung, Chang-Hoon Lee, Hyungkwon Park, Sung-Dae Kim, Namkug Ku, Yeong-Do Park
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 250-260 (2024)
The objective of the study is to understand the effect of martensite-austenite (MA) constituents along with the neighbouring bainitic matrix and its effect on low-temperature impact toughness in the thermo-mechanically simulated inter-critically rehe
Externí odkaz:
https://doaj.org/article/45644f56d75e4c19bd8ff14033d49d94
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 3921-3934 (2024)
The effect of different welding heat inputs on the microstructure and mechanical properties of the simulated coarse grained heat affected zone (CGHAZ) of high-strength wind power steel with yield strength of 500 MPa has been investigated using scanni
Externí odkaz:
https://doaj.org/article/72c0c8f5191949c9975e0f0eea6ae0ce
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 1104-1116 (2024)
Impact toughness has a strong size effect, which restricts the accurate evaluation of material toughness and safety of structural design. However, our understanding of the internal mechanical mechanism that influences the size effect remains incomple
Externí odkaz:
https://doaj.org/article/e39175a1c138487bb5e3f93a6a513234
Autor:
Xueliang Shang, Jingxiao Zhao, Feifan Li, Xiucheng Li, R. Devesh K. Misra, Xiangyu Xu, Xuemin Wang
Publikováno v:
Materials Research Letters, Vol 12, Iss 7, Pp 493-499 (2024)
The ductile-to-brittle transition (DBT) is an important characteristic that restricts the use of body-centered cubic metals as structural materials at low temperatures. This study shows a design of heterogenous lamellar microstructure (HLM), which is
Externí odkaz:
https://doaj.org/article/24ea1a16aa1f4dafb80cde538b769f28
Autor:
Xu Jiangbin, Xing Jinfu, Luo Mei, Li Tingyu, Liu Bujin, Zeng Xiangbu, Jiang Tuanhui, Wu Xian, He Li
Publikováno v:
e-Polymers, Vol 24, Iss 1, Pp 93-9 (2024)
Externí odkaz:
https://doaj.org/article/67143dfa833a4faf9724c0d4eb3ae00d