High temperature mechanical properties and hot working properties of high magnetic orientation silicon steel

Shi Pengzhao; Li Jiangbo; Qiao Jialong; Guo Feihu; Qiu Shengtao

doi:10.7513/j.issn.1004-7638.2023.04.020

Volume 44 Issue 4

Aug. 2023

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Shi Pengzhao, Li Jiangbo, Qiao Jialong, Guo Feihu, Qiu Shengtao. High temperature mechanical properties and hot working properties of high magnetic orientation silicon steel[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(4): 135-141. doi: 10.7513/j.issn.1004-7638.2023.04.020

Citation:

Shi Pengzhao, Li Jiangbo, Qiao Jialong, Guo Feihu, Qiu Shengtao. High temperature mechanical properties and hot working properties of high magnetic orientation silicon steel[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(4): 135-141. doi: 10.7513/j.issn.1004-7638.2023.04.020

Citation:

Shi Pengzhao, Li Jiangbo, Qiao Jialong, Guo Feihu, Qiu Shengtao. High temperature mechanical properties and hot working properties of high magnetic orientation silicon steel[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(4): 135-141. doi: 10.7513/j.issn.1004-7638.2023.04.020

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High temperature mechanical properties and hot working properties of high magnetic orientation silicon steel

doi: 10.7513/j.issn.1004-7638.2023.04.020

1.
National Research Center of Continuous Casting Technology, Central Iron and Steel Research Institute, Beijing 100081, China
2.
Technology Center, Hunan Valin Lianyuan Iron and Steel Co., Ltd., Loudi 417009, Hunan, China

Received Date: 2022-06-21
Publish Date: 2023-08-30

Abstract

Abstract

In this paper, Gleeble3800 thermal simulation test machine was used to conduct high temperature tensile and high temperature compression experiments on high magnetic induction oriented silicon steel billets. The influence of temperature on high temperature mechanical properties (tensile strength and section shrinkage) of high magnetic induction oriented silicon steel, and the hot working properties of high magnetic induction oriented silicon steel were studied. The results showed that the temperature of the first brittle zone of high magnetic orientation silicon steel was around the melting point ～1200 ℃, and the temperature of the third brittle zone was about 750 ℃, and there was no second brittle zone. The fracture mechanism of the sample at 750 ℃ is intergranular brittle fracture, and there are Al, Si and other oxidation inclusions at the fracture surface. When the shape variable and temperature are constant, the deformation resistance of the specimen increases with the increase of strain rate.
- highly magnetically oriented silicon steel,
- mechanical behavior under high temperature,
- hot working property,
- brittle zone,
- deformation resistance

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References(20)

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