Effect of Secondary Cold Reduction Rates on Microstructure, Texture and Earing Behavior of Double Reduction Tinplate

Tian, Pengfei; Liao, Luhai; Zhu, Guangcan; Kang, Yonglin

doi:10.3390/ma14144040

Cited by 4 publications

(3 citation statements)

References 10 publications

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“…The intensity function value on the ND orientation line changes little, indicating that it is difficult to produce ear on the rolling direction of 0°/60°. However, the ELC intensity function values at {554} <225> and {332} <113> on the TD orientation line increase and those of LC decrease, indicating that ELC is more likely to produce ear on the rolling direction of 0°/60°, which can balance ear on the rolling direction of 45° and reduce the earing coefficient [ 30 ].…”

Section: Resultsmentioning

confidence: 99%

“…In order to better evaluate the earing behaviors, the earing extent index (Q) is used to quantitatively describe the relative earing tendency of each texture component. Table 5 shows

, Δr, Q and earing direction for main texture components [ 30 , 43 ]. According to Table 6 , texture components such as {111} <110>, {111} <112> and {554} <225> contribute great to

and little or minor to Δr.…”

Section: Discussionmentioning

confidence: 99%

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Effect of Carbon Content on Microstructure, Properties and Texture of Ultra-Thin Hot Rolled Strip Produced by Endless Roll Technology

2021

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In order to make a comprehensive comparison between ultra-thin hot rolled low carbon steel (LC) and extra low carbon steel (ELC) produced by endless roll technology and explain the differences, a detailed investigation into the microstructural characterization, characteristics of cementite and precipitates, mechanical properties, internal friction peaks, texture characterization by an X-ray powder diffractometer and electron backscatter diffraction, and formability including earing behavior, hole expanding ratio and V-shaped bending properties was carried out with different carbon content for 1.0 mm thickness ultra-thin hot rolled strip produced in endless strip production line. The experimental results indicate that the microstructure of both is composed of multi-layer areas with different grain sizes and thicknesses, the strength and elongation of LC are higher than that of ELC, but the content of solid solution carbon atoms and r of ELC are higher than that of LC, at the same time, the formability of ultra-thin strip ELC is better than that of LC mainly related to the content of {hkl} <110> and {111} <112> of ELC was higher than those of LC. The mechanical and formability properties of ultra-thin hot rolled strip by endless roll technology can meet the requirements of replacement cold rolled strip by hot rolled strip.

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Section: Resultsmentioning

confidence: 99%

“…In order to better evaluate the earing behaviors, the earing extent index (Q) is used to quantitatively describe the relative earing tendency of each texture component. Table 5 shows

, Δr, Q and earing direction for main texture components [ 30 , 43 ]. According to Table 6 , texture components such as {111} <110>, {111} <112> and {554} <225> contribute great to

and little or minor to Δr.…”

Section: Discussionmentioning

confidence: 99%

Effect of Carbon Content on Microstructure, Properties and Texture of Ultra-Thin Hot Rolled Strip Produced by Endless Roll Technology

2021

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“…At the same time, the larger |Δr| value will produce larger ears. Many researchers focused on the effects of secondary cold reduction rates on the tinplate's microstructure and texture characteristics, but there have been few investigations on the effect of the continuous annealing temperature [3][4][5]. It is worth noting that the quality of the annealed DI plate will have a significant impact on the performance of the finished DI plate after tinning.…”

Section: Materials and Heat Treatmentmentioning

confidence: 99%

Effect of Continuous Annealing Temperature on the Microstructure, Mechanical Properties and Texture of Annealed Drawn and Ironed Plate

Chu

Gao

et al. 2021

Crystals

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To improve the production process and produce high-quality annealed drawn and ironed (DI) plate, continuous annealing experiments were carried out at 620 °C, 640 °C, 680 °C, and 720 °C, and the effect of continuous annealing temperature on the microstructure, mechanical characteristics, and texture of annealed DI plate were clarified. The microstructure was tested with a scanning electron microscope (SEM); the mechanical properties and weighted average of the plastic strain ratio (r¯) were measured using a tension test; and the texture characterizations were tested by X-ray powder diffractometer (XRD) and electron backscatter diffraction (EBSD). The results reveal that, with the increase of the annealing temperature, the average grain size grew from 5.14 μm to 6.56 μm, the yield strength and tensile strength decreased, and the elongation increased. The rolling textures drastically reduced after annealing. When annealed at a lower temperature of 620 °C, the texture content of {111} <110> was the highest. When the annealing temperature increased to 640 °C, 680 °C and 720 °C, the texture content of {111} <112> was higher than that of {111} <110>. The mechanical properties of the DI plate that was annealed at 640 °C are the best, with a higher r¯ value and a lower planar anisotropy value.

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Effect of tramp oil ingress in cold rolling oil bath leading to white spot defect on CRCA at Tinplate mill

Chakraborty

Giri²,

Bhagat

et al. 2022

Engineering Failure Analysis

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Effect of Secondary Cold Reduction Rates on Microstructure, Texture and Earing Behavior of Double Reduction Tinplate

Cited by 4 publications

References 10 publications

Effect of Carbon Content on Microstructure, Properties and Texture of Ultra-Thin Hot Rolled Strip Produced by Endless Roll Technology

Effect of Carbon Content on Microstructure, Properties and Texture of Ultra-Thin Hot Rolled Strip Produced by Endless Roll Technology

Effect of Continuous Annealing Temperature on the Microstructure, Mechanical Properties and Texture of Annealed Drawn and Ironed Plate

Effect of tramp oil ingress in cold rolling oil bath leading to white spot defect on CRCA at Tinplate mill

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