Surface Integrity and Corrosion Resistance of 42CrMo4 High-Strength Steel Strengthened by Hard Turning Article Swipe
Qingzhong Xu
,
Yan Liu
,
Haiyang Lu
,
Jichen Liu
,
Gangjun Cai
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.3390/ma14226995
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.3390/ma14226995
To improve the surface corrosion resistance of 42CrMo4 high-strength steel used in a marine environment, this article studied the effects of hard turning on the surface integrity and corrosion resistance of 42CrMo4 high-strength steel through the single factor experimental method, namely hard turning, polarization corrosion, electrochemical impedance spectroscopy, potentiodynamic polarization curve, and salt spray tests. The results indicated that the surface integrity was modified by the hard turning, with a surface roughness lower than Ra 0.8 μm, decreased surface microhardness, fine and uniform surface microstructure, and dominant surface residual compressive stress. The hard turning process was feasible to strengthen the surface corrosion resistance of 42CrMo4 high-strength steel. The better corrosion resistance of the surface layer than that of the substrate material can be ascribed to the uniform carbides and compact microstructure. The corrosion resistance varied with cutting speeds as a result of the changed surface microhardness and residual compressive stress, varied with feed rates as a result of the changed surface roughness, and varied with cutting depths as a result of the changed surface residual compressive stress, respectively. The surface integrity with smaller surface roughness and microhardness and bigger surface residual compressive stress was beneficial for corrosion resistance.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/ma14226995
- https://www.mdpi.com/1996-1944/14/22/6995/pdf?version=1637495496
- OA Status
- gold
- Cited By
- 12
- References
- 27
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3214918959
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3214918959Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3390/ma14226995Digital Object Identifier
- Title
-
Surface Integrity and Corrosion Resistance of 42CrMo4 High-Strength Steel Strengthened by Hard TurningWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2021Year of publication
- Publication date
-
2021-11-18Full publication date if available
- Authors
-
Qingzhong Xu, Yan Liu, Haiyang Lu, Jichen Liu, Gangjun CaiList of authors in order
- Landing page
-
https://doi.org/10.3390/ma14226995Publisher landing page
- PDF URL
-
https://www.mdpi.com/1996-1944/14/22/6995/pdf?version=1637495496Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://www.mdpi.com/1996-1944/14/22/6995/pdf?version=1637495496Direct OA link when available
- Concepts
-
Surface integrity, Materials science, Corrosion, Residual stress, Microstructure, Indentation hardness, Surface roughness, Metallurgy, Hardness, Compressive strength, Composite material, Surface finish, Dielectric spectroscopy, Electrochemistry, Physical chemistry, Chemistry, ElectrodeTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
12Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 3, 2024: 3, 2023: 3, 2022: 3Per-year citation counts (last 5 years)
- References (count)
-
27Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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