Effect of structural anisotropy of ferrite-bainite pipe steel on mechanical properties in tensile and impact bending tests

被引：0
|
作者：
A. A. Kichkina
M. Yu. Matrosov
L. I. Efron
M. B. Klyukvin
A. V. Golovanov
机构：
[1] Bardin Central Research Institute of Ferrous Metallurgy,
[2] Vyksa Metallurgical Plant (VMZ),undefined
[3] Severstal Cherepovets Metallurgical Combine,undefined
来源：
Metallurgist | 2011年 / 54卷
关键词：
anisotropy; ferrite-bainite microstructure; impact strength; cold resistance; spiral-seam largediameter pipes; proportion of fiber in fracture;
D O I：
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中图分类号：
学科分类号：
摘要：
The mechanical properties of thick rolled plate for main pipelines with a ferrite-bainite microstructure in different directions over the plate plane are determined, mechanical property anisotropy is revealed, and its features are studied. It is established that the structure of bainite, consisting of ferrite platelets with fine carbide interlayers along boundaries, orientated in a specific way in the plate plane with respect to the rolling direction, provokes propagation of a brittle crack and reduces metal cold resistance considerably in directions close to the preferred orientation of microstructural components.
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页码：808 / 816
页数：8
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