Effects of Surface Oxides on the Phosphatability of the High Strength Cold Rolled Steels

Nomura, Masahiro; Hashimoto, Ikuro; Kozuma, Shinji; Kamura, M.; Omiya, Y.

doi:10.2355/tetsutohagane1955.92.6_378

Cited by 25 publications

(10 citation statements)

References 10 publications

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“…That is, the sporadic distribution of particles and the short rod-like segregation into the interfacial distribution along the band. Nomura et al [ 24 ] found that Si-Mn oxides were easily formed on the surface of steel containing Si and Mn, which are considered to be sensitive to oxidation. The machined carbon steel and stainless steel surface adsorbed O on the surface.…”

Section: Resultsmentioning

confidence: 99%

The Impact of Surface Treatment and Degree of Vacuum on the Interface and Mechanical Properties of Stainless Steel Clad Plate

Feng

Luo

et al. 2018

Materials

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In this study, the impact of different surface treatment and degree of vacuum on the interface and mechanical properties of 304/Q345 stainless steel clad plate was investigated. The study indicated that more continuous or aggregated Al2O3 and Si-Mn composite oxides were formed at the interface after brush grinding. However, less inclusions such as Al2O3, MnS and Ca-Mg-Al-Si composite oxides were formed at the interface after pickling treatment. For the vacuum degrees of 10−2 Pa, 1 Pa and 105 Pa, the oxidation reaction became more intense with the decrease in vacuum degree. The interface inclusions were gradually changed from Al2O3 and Si-Mn complex oxides to oxide scale and MnCr2O4 spinel oxide. The interfacial bonding strength of stainless steel clad plate was improved with the increase in degree of vacuum. The bonding strength was 55 MPa at vacuum of 105 Pa, but it was 484 MPa at vacuum of 10−2 Pa, which is far greater than that of the national standard, and an excellent performance was obtained.

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Section: Resultsmentioning

confidence: 99%

The Impact of Surface Treatment and Degree of Vacuum on the Interface and Mechanical Properties of Stainless Steel Clad Plate

Feng

Luo

et al. 2018

Materials

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“…In the high temperature and high oxygen environment, Si and Mn elements in region 2 were easily oxidized to form Si-Mn complex oxides, this is also stated in the relevant literature. Nomura et al [18] found that Si-Mn oxides were easily formed on the surface of steel containing Si and Mn elements, which were considered to be sensitive to oxidation. The surface of the machined carbon steel and stainless steel has a certain roughness, and a small of O atoms will adsorb on it.…”

Section: Resultsmentioning

confidence: 99%

The Impact of Process Parameters on Microstructure and Mechanical Properties of Stainless Steel/Carbon Steel Clad Rebar

Feng

Luo

et al. 2019

Materials

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In this study, a 304/20MnSi stainless-steel clad rebar was prepared by single-pass compression process using the MMS-200 Thermal Mechanical Simulator. The impact of different degrees of deformation and deformation temperature on microstructure evolution and the mechanical properties of stainless steel clad rebars were investigated. The study indicated that with the increase of the degree of deformation, the content of pearlite in a carbon steel matrix was increased, and the grains refined. The metallurgical bonding of the bonded interface was formed under high temperature and high extrusion force. With the increase of the deformation temperature, more bainite was obtained on the side of carbon steel, and the grain size increased. The obvious diffusion of Fe, Cr and Ni elements near the bonding interface resulted in higher microhardness of the stainless steel side and smaller microhardness of the carbon steel side. Moreover, the engineering stress-strain curves obtained by the tensile test showed that the plastic deformation of stainless steel and carbon steel was more coordinated. With the increase of deformation temperature and the degree of deformation, the tensile strength of the stainless steel clad rebar was as high as 690 MPa and the elongation was 26%, which was superior to the properties of the clad rebar prepared by other process parameters.

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“…16) For example, it has been reported that Si and Mn affect the phosphatability of cold-rolled steel sheets. 17,18) Since cold-rolled steel sheets are annealed in a reducing atmosphere for Fe, Si and Mn form oxides with a thickness of 1 μm or less on the surface of the steel sheet, and these oxides deteriorate phosphat-ability. It has also been reported that Cu and Sn deteriorate the phosphatability due to segregation on the steel surface during the annealing process.…”

Section: Effects Of Solid-solute V On the Phosphatability Of Hot-rollmentioning

confidence: 99%

Effects of Solid-Solute V on the Phosphatability of Hot-Rolled Steel Sheets

Furuya¹,

Yamazaki²,

Masuoka³

et al. 2020

ISIJ Int.

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Effects of Surface Oxides on the Phosphatability of the High Strength Cold Rolled Steels

Cited by 25 publications

References 10 publications

The Impact of Surface Treatment and Degree of Vacuum on the Interface and Mechanical Properties of Stainless Steel Clad Plate

The Impact of Surface Treatment and Degree of Vacuum on the Interface and Mechanical Properties of Stainless Steel Clad Plate

The Impact of Process Parameters on Microstructure and Mechanical Properties of Stainless Steel/Carbon Steel Clad Rebar

Effects of Solid-Solute V on the Phosphatability of Hot-Rolled Steel Sheets

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