Zobrazeno 1 - 10
of 363
pro vyhledávání: '"Low-temperature toughness"'
Publikováno v:
工程科学学报, Vol 46, Iss 11, Pp 2017-2025 (2024)
With the increasing demand for large-scale, lightweight, and highly safe ocean transportation vessels and drilling equipment, as well as the growing need for environmentally friendly steels, the demand for high-strength, high-toughness, and weldable
Externí odkaz:
https://doaj.org/article/d5b5848585dd48c693fbaff7b6116d00
Autor:
Liang, Ruimiao a, Yu, Wenwen a, ⁎, Shen, Jiahao a, Zhang, Zhiyi a, Lin, Zaifu a, Wang, Jiayi a, Jia, Lan a, Chen, Feng b, Shangguan, Yonggang b, Zheng, Qiang a, b, ⁎⁎
Publikováno v:
In Polymer Testing January 2025 142
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 2077-2085 (2024)
The crystallography of transformation products with different cooling rates has been investigated in a typical low-carbon alloy steel, and its effect on low-temperature impact toughness uniformity in the thickness direction of heavy steel plates has
Externí odkaz:
https://doaj.org/article/2625d898a2a94e498018ffb69b3b11f3
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 3558-3570 (2023)
In this study, a novel multi-step heat treatment method, including intercritical annealing and tempering, is proposed to improve the low-temperature toughness of Fe-6.5Mn-0.08C medium-manganese (Mn) steel. The effects of the subsequent tempering trea
Externí odkaz:
https://doaj.org/article/ba7df6ff9b9b4bd099055f224c4e300a
Publikováno v:
工程科学学报, Vol 45, Iss 8, Pp 1335-1341 (2023)
With the development of energy extraction to offshore, deep sea, and polar fields, the service environment is becoming increasingly harsh. Hence, developing cryogenic steel with high strength, high toughness at low temperatures, and excellent welding
Externí odkaz:
https://doaj.org/article/7bea90004e114506b52f4428797c62c7
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
Autor:
Xinghao Wei, Lixin Sun, Zhongwu Zhang, Yang Zhang, Junhua Luan, Zengbao Jiao, Chain Tsuan Liu, Gang Zhao
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 1524-1536 (2023)
The optimal aging temperatures of 400–550 °C for high strength steels falls into the dangerous temperature range of temper-embrittlement. To obtain a good low-temperature toughness, temperatures above 600 °C are usually selected for aging treatme
Externí odkaz:
https://doaj.org/article/0cedda6a98ef4e979a6f9199bd368ac9
Publikováno v:
Metals, Vol 14, Iss 2, p 209 (2024)
The influence of centerline segregation on the low-temperature impact toughness of the heat-affected zone (HAZ) of welded joints was studied by welding experiments on X70 steel plates rolled from continuous casting slabs with segregation grades of cl
Externí odkaz:
https://doaj.org/article/7dfe2166b50c465b8e30fa750ba1f51a
Akademický článek
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Autor:
Yan Ma, Lihong Su, Chen Shen, Leigh Fletcher, Huijun Li, Leilei Sun, Lei Zheng, Chuanguo Zhang
Publikováno v:
Metals, Vol 13, Iss 12, p 2018 (2023)
The low-temperature fracture toughness of double-V weld seams is a well-known challenge due to the essential increased heat input for heavy-wall pipelines. A thorough investigation was conducted to explore the impact of the heat input on the grain si
Externí odkaz:
https://doaj.org/article/31d754349a48447b8c89fc24ef1a7fae