Zobrazeno 1 - 10
of 473
pro vyhledávání: '"ZHAO Li-hua"'
Publikováno v:
工程科学学报, Vol 37, Iss S1, Pp 1-5 (2021)
The relationship between the size distribution of inclusions and the total oxygen in steel was studied by following the inclusions' size and number of the samples at different locations. The content of macro-inclusions in liquid steel could be estima
Externí odkaz:
https://doaj.org/article/3399f2251cd84491839c92b462947e4f
Publikováno v:
工程科学学报, Vol 41, Iss 6, Pp 757-762 (2019)
Ultralow-carbon steel is an important material for automobile production. Titanium is usually added in this steel grade to form a precipitant and improve the deep drawing property of the steel. However, due to the deoxidation capacity of Ti, Ti addit
Externí odkaz:
https://doaj.org/article/33c20c95fbc441e5b207bba3a72e392e
Publikováno v:
工程科学学报, Vol 40, Iss 4, Pp 453-460 (2018)
The gas-liquid two-phase flow in the up leg of the Ruhrstahl-Hereaeus (RH) unit is one of the main momentum sources of the whole device, and it affects the flow state of the molten steel in the ladle. A physical model of 300 t RH in 1:6 ratio was set
Externí odkaz:
https://doaj.org/article/719fb6ea16d64911a3e669d54262a5c2
Publikováno v:
工程科学学报, Vol 39, Iss 7, Pp 996-1007 (2017)
This study established a two-dimensional mathematical model of solidification and heat transfer for a bloom with a 310 mm×360 mm cross-section using ANSYS software, which was verified by nail-shooting experiments in the narrow side of the bloom and
Externí odkaz:
https://doaj.org/article/9aa4d7f944d046e39fcda48578cee39c
Publikováno v:
工程科学学报, Vol 38, Iss 1, Pp 54-63 (2016)
To research the static recrystallization behavior of high strength steel 300 M,single/double-pass hot compression tests of 300 M steel were carried out using Gleeble-3800 thermal simulation experiment equipment. The effects of deformation temperature
Externí odkaz:
https://doaj.org/article/83391e4c2408456f91fe34120b30c98b
Publikováno v:
工程科学学报, Vol 37, Iss 3, Pp 373-377 (2015)
An optimization of flow control "devices in a 40-t single strand continuous casting tundish was carried out by water modeling experiments and industrial experiments. Three cases were considered during the experiments, i. e, tundish equipped with a tu
Externí odkaz:
https://doaj.org/article/025e1c49b19c4947865e54e05028ee8b
Publikováno v:
工程科学学报, Vol 37, Iss 3, Pp 307-311 (2015)
The cleanness evolution and inclusion distribution of IF slabs in the thickness direction were studied by original morphology analysis, scanning electron microscopy and energy spectroscopy analysis, and total oxygen (T. O) and nitrogen analysis. The
Externí odkaz:
https://doaj.org/article/2a95b707e34a47f3967b1af24ba2a85b
Publikováno v:
Revista de Metalurgia, Vol 50, Iss 4, Pp e028-e028 (2014)
Los aceros de fácil mecanizado o corte libre con nitruro de boro agregado han despertado un gran interés. Sin embargo, aún no se han determinado los mecanismos que explican el papel de las inclusiones de BN en la mejora de la maquinabilidad de est
Externí odkaz:
https://doaj.org/article/96a4c920802c4d75bad93e3a611151a7
Autor:
Ren, Jun-Wen, Zeng, Rui-Chi, Yang, Jun, Wang, Zi, Wang, Zhong, Zhao, Li-Hua, Wang, Guo-Long, Jia, Shen-Li
Publikováno v:
Journal of Applied Physics; 7/28/2024, Vol. 136 Issue 4, p1-8, 8p
Publikováno v:
In Applied Surface Science 1 March 2024 648