Corrosion Cracking of Steels of Various Strengths at a Constant Crack Opening
- 作者: Grinevich A.1, Yakovlev N.1, Skripachev S.1, Nuzhnyi G.1
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隶属关系:
- All-Russia Institute of Aviation Materials
- 期: 卷 2019, 编号 4 (2019)
- 页面: 453-457
- 栏目: Diagnostics and Mechanical Test Techniques
- URL: https://journals.rcsi.science/0036-0295/article/view/173219
- DOI: https://doi.org/10.1134/S0036029519040141
- ID: 173219
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详细
Earlier, we proposed a technique to estimate the fracture toughness of a metallic material. It differs from standard techniques in the determination of the operating stresses in an improved compact specimen with an edge crack. Using this technique, we determine the corrosion damage resistance of martensitic 30KhGSA (σu ≈ 1080 MPa) and VKS-9n (σu ≈ 2010 MPa) steels under full-scale and laboratory conditions and analyze their corrosion fracture kinetics. The corrosion fractures of the steels with different strength levels are found to have different characters: the 30KhGSA steel is likely to undergo anodic dissolution at the crack tip, and the high-strength VKS-9 steel undergoes hydrogen embrittlement.
作者简介
A. Grinevich
All-Russia Institute of Aviation Materials
编辑信件的主要联系方式.
Email: viam660@yandex.ru
俄罗斯联邦, Moscow, 105005
N. Yakovlev
All-Russia Institute of Aviation Materials
Email: viam660@yandex.ru
俄罗斯联邦, Moscow, 105005
S. Skripachev
All-Russia Institute of Aviation Materials
Email: viam660@yandex.ru
俄罗斯联邦, Moscow, 105005
G. Nuzhnyi
All-Russia Institute of Aviation Materials
Email: viam660@yandex.ru
俄罗斯联邦, Moscow, 105005