Correlation of Structure and Fractographic Characteristics of High-Strength Pipe Steel Welded Joint Metal Failure Micro-Mechanism

L. A. Efimenko; A. A. Ramus’; D. V. Ponomarenko; R. O. Ramus’

doi:10.1007/s11015-018-0710-2

Correlation of Structure and Fractographic Characteristics of High-Strength Pipe Steel Welded Joint Metal Failure Micro-Mechanism

作者: Efimenko L.A.¹, Ramus’ A.A.¹, Ponomarenko D.V.¹, Ramus’ R.O.²
隶属关系:
1. I. M. Gubkin Rusian State University of Oil and Gas
2. OOO Gazprom VNIIGAZ
期: 卷 62, 编号 7-8 (2018)
页面: 694-700
栏目: Article
URL: https://ogarev-online.ru/0026-0894/article/view/242101
DOI: https://doi.org/10.1007/s11015-018-0710-2
ID: 242101

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详细

The structure and microstructure of impact fracture specimens of the heat-affected zone (HAZ) of low carbon micro-alloyed high-strength pipe steel welded joints are investigated. Correlation of structure parameters and fractographic characteristics of the failure micro-mechanism channel is established, providing information about elementary acts of failure, i.e., the dimensions of ductile and brittle microcracks.