Experimental Determination of Texture

Suwas, Satyam; Ray, R.K.

doi:10.1007/978-1-4471-6314-5_3

Cited by 2 publications

(1 citation statement)

References 38 publications

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“…Depending on the value of stacking fault energy (γ SFE ) of the FCC materials, two common categories of rolling textures can be identified: alloy type and pure metal type. The former is associated with low γ SFE materials and promotes a strong B orientation along with a weak G. On the other hand, the latter is typically found in medium-to-high γ SFE materials and has the same intensities of Cu, S, and B orientations [42]. In this work, the formation of Cu, S, and B on β-fiber and their intensities were enhanced under a higher deformation, which can be linked to Ni's high γ SFE .…”

Section: Effects Of Cold Rolling On Texturementioning

confidence: 99%

Optimizing Tensile Properties and Hardness of Inconel 718 by Cold Rolling

Tucho,

Sletsjøe,

Sayyar

et al. 2024

Metals

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The as-received commercial Inconel 718 material was solid solution heat treated (ST), cold-rolled (CR), and precipitation-hardened (PH) to investigate the effects of deformation on the tensile properties, hardness, and texture. Three sets of specimens (0%, 20%, and 50% CR) were ST at 1100 °C/1 h, CR, and aged (720 °C/8 h + 650 °C/8 h) for the analysis. The ultimate tensile strength (UTS), 0.2% yield strength (YS), and elongation of 50% deformed condition were 1645 MPa, 1512 MPa, and 3.8%, respectively. The 20% deformation resulted in a balanced UTS (1348 MPa), YS (1202 MPa), and elongation (11%). The contribution of precipitation hardening to the strength decreased, while the contribution of CR increased with an increasing percentage of deformation. As the level of deformation increased, the size and quantity of γ″ decreased proportionally. The CR specimens produced a high density of nano/micro twins with twin planes oriented perpendicular to the RD-ND surface. The gradient of crystal orientation and internal features of large austenitic grains were generated by their preferred rotation. The cross-slip of screw dislocations induced a complete β-fiber consisting of {110}<112>, {112}<111>, and {123}<634>, with doubled intensity at the higher deformation. Additionally, the specimens were highly susceptible to the twinning-induced orientation emerged by a predominant <110>//ND. In the as-deformed condition, an incomplete but intense α-fiber clustered between {110}<001> and {110}<112> was characterized. Apart from achieving the highest strength, the current work demonstrates the effects of CR on the material strength without the complex influences of δ precipitates.

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Section: Effects Of Cold Rolling On Texturementioning

confidence: 99%

Optimizing Tensile Properties and Hardness of Inconel 718 by Cold Rolling

Tucho,

Sletsjøe,

Sayyar

et al. 2024

Metals

View full text Add to dashboard Cite

show abstract

Optimizing Tensile Properties and Hardness of Inconel 718 by Cold Rolling

Tucho,

Sletsjøe,

Sayyar

et al. 2024

Preprint

View full text Add to dashboard Cite

The as-received commercial Inconel 718 material was solid solution heat treated (ST), cold rolled (CR), and precipitation hardened (PH) to investigate the effects of deformation on tensile properties, hardness, and texture. Three sets of specimens (0%, 20% and 50% CR) were STed at 1100 C/1h, CR and aged (720 °C/8 h + 650 °C/8 h) for the analysis. Ultimate tensile strength (UTS), 0.2% yield strength (YS) and elongation of 50% deformed condition were 1645 MPa, 1512 MPa, and 3.8 %, respectively. The 20 % deformation resulted in a balanced UTS (1348 MPa), YS (1202 MPa) and elongation (11%). Contributions of precipitation hardening to the strength was decreasing, while contribution of CR increases with increasing percentage of deformation. Correspondingly, the size and quantities of  decreased with increasing deformation level. In CR specimens, a high density of nano/micro twins were generated with the twin planes oriented perpendicular to the RD-ND surface. The preferred rotation of the crystals generated the gradient of orientation and internal features of the large austenitic grains. The cross-slip of screw dislocations induced a complete β-fibre, consisting of {110}, {112}, and{123}, with doubled intensity at higher deformation. In addition, the specimens tended to be highly susceptible to the twinning-induced orientation emerged by a predominant ⫽ND. An incomplete but intense α-fibre clustered between {110} and {110} was characterized in the as-deformed condition. Besides achieving highest strength, the current work demonstrates the effects of CR on the material strength without the complex influences of  precipitate.

show abstract

Experimental Determination of Texture

Cited by 2 publications

References 38 publications

Optimizing Tensile Properties and Hardness of Inconel 718 by Cold Rolling

Optimizing Tensile Properties and Hardness of Inconel 718 by Cold Rolling

Optimizing Tensile Properties and Hardness of Inconel 718 by Cold Rolling

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