Zobrazeno 1 - 10
of 7 494
pro vyhledávání: '"pearlite"'
Autor:
Xiaokun Pan, Jincheng Li, Chaolei Zhang, Xinping Mao, Wenjun Wang, Shuize Wang, Guilin Wu, Junheng Gao, Honghui Wu, Haitao Zhao
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 954-964 (2024)
The present study investigated the impact of 20–80 ppm Nb on the microstructure and properties of hypereutectoid pearlite steel. Remarkably, even trace amounts of Nb exhibited a favorable effect on the refinement of austenite grain. The addition of
Externí odkaz:
https://doaj.org/article/f20a8b73d5c94b37a38a587338c788f1
Publikováno v:
Teshugang, Vol 45, Iss 5, Pp 19-24 (2024)
The cross section and longitudinal section microstructure morphology of two different Si contents hot-rolled wire rods were observed using scanning electron microscopy and energy spectrum （EBSD） instruments. The tensile properties of the hot-roll
Externí odkaz:
https://doaj.org/article/608dba9d7c6d499486cac2247547e43a
Autor:
Anna V. Kornilova
Publikováno v:
RUDN Journal of Engineering Research, Vol 25, Iss 2, Pp 140-150 (2024)
Currently, throughout the world, thermal cycling processes are recognized as the most effective ways to increase the durability of metalworking tools. However, this promising technology has been little studied for structural steels. But the question
Externí odkaz:
https://doaj.org/article/da099e02e5ee41c68859d799774cd7aa
Autor:
Kai Zhai, Yujing Zhang, Jialong Yue, Yong Qiu, Xinru Zhou, Ke Zhao, Xiaomei Yu, Jinyou Zheng, Songjie Li, Dehai Ping
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 1885-1895 (2024)
The fracture behaviours of pearlite structures in several typical carbon steels were investigated by scanning electron microscopy (SEM). Microstructural analysis indicated that the fracture of pearlite is a mixed ductile-brittle fracture, and brittle
Externí odkaz:
https://doaj.org/article/8b3c47f7114442c3864a789a4df0b2cf
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 69, Iss No 2, Pp 425-428 (2024)
In this study, the effect of 3 mass%Cu additions on microstructure formation and Cu segregation in 800 MPa grade ductile cast iron during solidification was investigated. The calculated phase diagram showed that after the addition of 3 mass%Cu, the C
Externí odkaz:
https://doaj.org/article/0b6bf52b12504bfcb0440e76d8b6044f
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 5652-5661 (2024)
In this work, the nucleation and growth kinetics of pearlitic transformation are quantitatively investigated to unveil the distinctive microstructural evolution behavior under a high undercooling degree. Both intra-granular and inter-granular nucleat
Externí odkaz:
https://doaj.org/article/2592fa9c79014066a2c7be78d7626527
Autor:
Kokkula, Poorna Chander a, ⁎, Samanta, Santigopal b, Mandal, Sumantra a, ⁎, Singh, Shiv Brat a, ⁎
Publikováno v:
In Acta Materialia 1 January 2025 284
Publikováno v:
In Materialia December 2024 38
Autor:
Pan, Xiaokun a, b, Li, Jincheng a, c, Zhang, Chaolei a, b, ⁎, Mao, Xinping a, b, Wang, Wenjun d, Wang, Shuize a, b, Wu, Guilin a, b, Gao, Junheng a, b, Wu, Honghui a, b, Zhao, Haitao a, b
Publikováno v:
In Journal of Materials Research and Technology November-December 2024 33:954-964
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 5437-5446 (2024)
Mechanical properties of ferrite-pearlite low alloy steel are strictly determined by the properties of ferrite and pearlite phases. In this present paper, the evolution of mechanical properties of ferrite and pearlite phases during spheroidization pr
Externí odkaz:
https://doaj.org/article/87b7b2e95ebd4745b212a6e458f50e38