Variations of Biaxial Orientation of Polyester Film on Laminated Steel in the Laminating Process

Morita, Shun-ichi; Iwashita, Hiroyuki; Tanaka, Atsuo; Terauchi, Fumiko

doi:10.2355/tetsutohagane1955.86.3_171

Cited by 4 publications

(2 citation statements)

References 2 publications

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“…Tarutani et al 6) have shown that i crit of SUS304 coated with TiN decreased with increasing substrate temperature; however, poor corrosion resistance was found over 773 K. This poor quality may result from sensitization of the substrate. 18) No sensitization occurred for the substrate deposited at 707 K in the present study. Figure 5 shows variation in i crit with substrate bias voltage V B .…”

Section: Resultscontrasting

confidence: 47%

Effects of Compressive Stress on Corrosion-Protective Quality and Its Maintenance under a Corrosive Environment for TiN Films Deposited by Reactive HCD Ion Plating

2004

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Titanium nitride films were deposited onto SUS304 substrates under various film thickness, deposition temperatures, and substrate bias voltages. Their protective quality was evaluated by electrochemical testing in accordance with the critical passivation current density (CPCD) method. Two types of tests were employed to evaluate corrosive behavior of coated substrates: a high-temperature and high-pressure corrosion test; and a measurement of the change in anodic current density with immersion time. A scanning electron microscope was used to examine surface morphology and fractured cross-sections of the films. Residual stress in the films was determined by the sin 2 method. An increase in film thickness engendered high protective quality. That protective quality was improved with increasing deposition temperature; micrometerorder pores were observed on all parts of films deposited at lower deposition temperatures, whereas few pores existed on films deposited at higher temperatures. This result indicates that these pores are one factor influencing overall protective quality. A film deposited with no substrate bias voltage displayed morphology with a typical columnar-structure; it also demonstrated complete protective quality. As the bias voltage increased, protective quality deteriorated, whereas an excess increase in the bias voltage gave rise to a slightly higher protective quality. Films with lower compressive stress had only a few pores and possessed higher protective quality, suggesting that pore formation originates in compressive stress. Corrosion tests indicated that the coated substrates corroded more rapidly as compressive stress in the film increased. The effect of compressive stress on maintenance of corrosion-protective quality was treated quantitatively. The rate of increase in the exposed area of the substrate was estimated from variation of an anodic current density with immersion time. This evaluation indicates that a decrease in compressive stress contributes greatly to maintenance of protective quality.

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Section: Resultscontrasting

confidence: 47%

Effects of Compressive Stress on Corrosion-Protective Quality and Its Maintenance under a Corrosive Environment for TiN Films Deposited by Reactive HCD Ion Plating

2004

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“…After the PET film and TFS leave the heating roller and the silicone roller, the PET film is quickly cooled with a cooling liquid to quickly solidify the melted part of the PET to avoid recrystallization of the PET. The final preparation is the PCS material, as shown in Figure 2 [ 33 ]. Experimental conditions used for the film coating were a heating roller temperature of 500 K, plus coating speed of 15 m/min; the pressure roller is coated 1000 N.…”

Section: Experiments and Methodsmentioning

confidence: 99%

The Bonding Mechanism of the Micro-Interface of Polymer Coated Steel

Liu

Zhang

et al. 2020

Polymers

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As food and beverages require more and more green and safe packaging products, the emergence of polymer coated steel (PCS) has been promoted. PCS is a layered composite strip made of metal and polymer. To probe the bonding mechanism of PCS micro-interface, the substrate tin-free steel (TFS) was physically characterized by SEM and XPS, and cladding polyethylene terephthalate (PET) was simulated by first-principles methods of quantum mechanics (QM). We used COMPASS force field for molecular dynamics (MD) simulation. XPS pointed out that the element composition of TFS surface coating is Cr(OH)3, Cr2O3 and CrO3. The calculation results of MD and QM indicate that the chromium oxide and PET molecules compound in the form of acid-base interaction. The binding energies of Cr2O3 (110), (200), and (211) with PET molecules are −13.07 eV, −2.74 eV, and −2.37 eV, respectively. We established a Cr2O3 (200) model with different hydroxyl concentrations. It is proposed that the oxygen atom in C=O in the PET molecule combines with –OH on the surface of TFS to form a hydrogen bond. The binding energy of the PCS interface increases with the increase of the surface hydroxyl concentration of the TFS. It provides theoretical guidance and reference significance for the research on the bonding mechanism of PCS.

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Study on evolution law of lateral thickness difference of polymer-coated steel in laminating process

Liu

Zhang

Geng

et al. 2020

Materials Today: Proceedings

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Variations of Biaxial Orientation of Polyester Film on Laminated Steel in the Laminating Process

Cited by 4 publications

References 2 publications

Effects of Compressive Stress on Corrosion-Protective Quality and Its Maintenance under a Corrosive Environment for TiN Films Deposited by Reactive HCD Ion Plating

Effects of Compressive Stress on Corrosion-Protective Quality and Its Maintenance under a Corrosive Environment for TiN Films Deposited by Reactive HCD Ion Plating

The Bonding Mechanism of the Micro-Interface of Polymer Coated Steel

Study on evolution law of lateral thickness difference of polymer-coated steel in laminating process

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