Effect of Heat Treatment on the Cavitation Erosion Behavior of Nanocrystalline Surface Layer of 304 Stainless Steel

Huang, Nengliang; Tian, Ye; Yang, Rui; Xiao, Tonghu; Li, Hua; Chen, Xiuyong

doi:10.3390/app13095817

Cited by 3 publications

(3 citation statements)

References 46 publications

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“…To maximize the mechanical properties of austenitic stainless steels at cryogenic temperatures, research on different aspects has been carried out, including retained austenitic stability [8,9], martensitic content [10][11][12], grain size of retained austenite and martensite [13,14] and temperatures and methods of strain [15,16]. The effect of cryogenic The stress-assisted phase transformation in austenitic stainless steels only occurs when the temperature is close to absolute zero, and the phase transformation is less.…”

Section: Effect Of Strain Conditions On Mechanical Propertiesmentioning

confidence: 99%

“… 𝑅 represents the isotropic hardening parameter.  𝐶 represents the hardening modulus, which is limited by Equation (10).…”

Section: 𝑓 𝜎 𝜎 𝜎 𝑇mentioning

confidence: 99%

“…𝑑𝑅 𝐶 𝑑𝑝 (10) The results of strain fracture of austenitic stainless steels at cryogenic temperatures simulated in extended finite element (XFEM) are shown in Figure 7. The damage origin and failure of AISI 304L austenitic stainless steel during cold working was studied by a combination of experimental and numerical methods [68].…”

Section: 𝑓 𝜎 𝜎 𝜎 𝑇mentioning

confidence: 99%

See 2 more Smart Citations

Constitutive Models for the Strain Strengthening of Austenitic Stainless Steels at Cryogenic Temperatures with a Literature Review

He,

Wang,

2023

Metals

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Austenitic stainless steels are widely used in cryogenic pressure vessels, liquefied natural gas pipelines, and offshore transportation liquefied petroleum gas storage tanks due to their excellent mechanical properties at cryogenic temperatures. To meet the lightweight and economical requirements, pre-strain of austenitic stainless steels was conducted to improve the strength at cryogenic temperatures. The essence of being strengthened by strain (strain strengthening) and the phase-transformation mechanism of austenitic stainless steels at cryogenic temperatures are reviewed in this work. The mechanical properties and microstructure evolution of austenitic stainless steels under different temperatures, types, and strain rates are compared. The phase-transformation mechanism of austenitic stainless steels during strain at cryogenic temperatures and its influence on strength and microstructure evolution are summarized. The constitutive models of strain strengthening at cryogenic temperatures were set to calculate the volume fraction of strain-induced martensite and to predict the mechanical properties of austenitic stainless steels.

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Section: Effect Of Strain Conditions On Mechanical Propertiesmentioning

confidence: 99%

“… 𝑅 represents the isotropic hardening parameter.  𝐶 represents the hardening modulus, which is limited by Equation (10).…”

Section: 𝑓 𝜎 𝜎 𝜎 𝑇mentioning

confidence: 99%

Section: 𝑓 𝜎 𝜎 𝜎 𝑇mentioning

confidence: 99%

See 1 more Smart Citation

Constitutive Models for the Strain Strengthening of Austenitic Stainless Steels at Cryogenic Temperatures with a Literature Review

He,

Wang,

2023

Metals

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Validation of erosion wear models for a stainless steel automobile exhaust manifold

Kona,

Dugala,

Singh

2024

WJE

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Purpose This study aims to investigate the erosion wear rate of a stainless steel automobile exhaust manifold, both computationally and physically. Design/methodology/approach The experiment was performed on a motorcycle exhaust manifold as well as on a 3D model, created using SolidWorks 2022 CAD software. The analysis was later achieved using ANSYS 19.2 simulation software using Fluent – code. Findings The analysis of solid particle erosion in the exhaust manifold revealed that erosion wear is concentrated predominantly at the extrados of the manifold, with the most significant wear occurring at the lowermost bend. The erosion wear rate increases with larger particulate sizes and varies among bends, with negligible wear observed in straight pipes. The SEM analysis further confirmed surface degradation, with rugged textures, pits and grooves indicating abrasive wear. Spine-like structures and fractured soot particles suggest erosive and abrasive forces caused by high-speed contact of exhaust gas compounds. Energy dispersive X-ray spectroscopy revealed significant carbon abundance, indicating carbonaceous compounds from fuel combustion, along with notable amounts of oxygen and iron, typical of oxidized metallic constituents. The discrete phase modeling (DPM) analysis highlighted peak particulate matter deposition at the first bend exit, with maximum concentrations observed at specific angles. This deposition is influenced by centrifugal force, leading to increased PM concentration at outer bend walls. Velocity magnitude contours showed asymmetrical flow profiles, with high turbulence levels and secondary flow induced by centrifugal effects in bend areas. Dynamic pressure contours revealed varying pressures at intrados and extrados, with maximum pressure observed at the intrados of the manifold’s bends. These findings provide valuable insights into erosion wear, particulate dispersion and flow dynamics within the exhaust manifold. Originality/value The study investigated an automobile exhaust manifold model using ANSYS Fluent code and DPM to analyze erosion wear rate phenomena and its various constituents. This analysis was conducted in comparison with a physically eroded sample. The study offers insights into the mechanism underlying the exhaust manifold of an automobile.

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Optimizing the surface quality of heat-treated 2Cr13 stainless steel via electrochemical machining

Xu,

Wang

2024

Materials Science and Technology

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The improvement of mechanical properties and surface quality was of great significance for materials. In this study, 2Cr13 stainless steel was subjected to the quenching and tempering treatment. The electrochemical machining approach was adopted for surface treatment. The results showed that the quenching and tempering treatment improved the Vickers microhardness of 2Cr13 stainless steel. The enhancement of microhardness was facilitated by the formation of tempered sorbite and grain refinement. Electrochemical machining provided high quality surfaces. The heat-treated workpice had more advantages in electrochemical machining efficiency. The polarization curves proved a downward shift of the self-corrosion potential for the heat-treated 2Cr13 stainless steel, which was strongly related to the electrochemical behavior. A mechanism model for promoting anode electrochemical dissolution was proposed.

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Effect of Heat Treatment on the Cavitation Erosion Behavior of Nanocrystalline Surface Layer of 304 Stainless Steel

Cited by 3 publications

References 46 publications

Constitutive Models for the Strain Strengthening of Austenitic Stainless Steels at Cryogenic Temperatures with a Literature Review

Constitutive Models for the Strain Strengthening of Austenitic Stainless Steels at Cryogenic Temperatures with a Literature Review

Validation of erosion wear models for a stainless steel automobile exhaust manifold

Optimizing the surface quality of heat-treated 2Cr13 stainless steel via electrochemical machining

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