An assessment of residual stresses and micro-structure during single point incremental forming of commercially pure titanium used in biomedical applications

Kumar, Rohit; Kumar, Gulshan; Singh, Arshpreet

doi:10.1016/j.matpr.2020.04.147

Cited by 9 publications

(4 citation statements)

References 17 publications

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“…The simulation analysis is used to validate the ABAQUS stress model. In another work by Gulshan et al [10] had studied the residual stresses developed in the Zirc aloy-4 hallow tube of 8 mm thick using the XRD. In addition, the FEA simulations were used to obtain the residual stress and von misses stress in the tube.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of residual stresses in CO₂ laser beam welding of SS316L weldments using FEA

Vemanaboina

Babu

Prerana

et al. 2023

Mater. Res. Express

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Laser welding is used in critical component production when tight tolerances like minimal distortions and residual stresses are required. Laser beam welding offers a lower heat input, a smaller heat affected zone, lower residual stresses, minimum distortions, and greater mechanical joint characteristics than conventional welding does. In order to simulate the laser welding process used on SS316L plates, the Gaussian heat source model was used. The model is developed and simulated with volumetric heat source model with APDL coding using ANSYS. The thermal profiles at the joint cross sections via welded area, interface across joints is taken for the analysis. The maximum temperature was observed at the fusion zone and associated zones. The residual stresses are analysed in the same path and found the stresses are in safe limits of base material. Predicted and experimentally measured residual stresses are close agreement with 10%.

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Section: Introductionmentioning

confidence: 99%

Evaluation of residual stresses in CO₂ laser beam welding of SS316L weldments using FEA

Vemanaboina

Babu

Prerana

et al. 2023

Mater. Res. Express

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“…Other studies have investigated the microstructural effects after ISF of pure titanium sheets. Kumar et al (2020) investigated the magnitude and state of residual stresses in commercially pure grade 2 titanium after forming. They observed that increasing wall angles and incremental step depth resulted in higher residual tensile stresses.…”

Section: Introductionmentioning

confidence: 99%

Influence of Input Parameters on the Coefficient of Friction during Incremental Sheet Forming of Grade 5 Titanium Alloy

Szpunar,

Szawara,

Myśliwiec

et al. 2023

AMME

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This research paper focuses on investigating the influence of input parameters on the coefficient of friction (COF) during incremental sheet forming (ISF) of grade 5 titanium sheets. Titanium alloys are widely used in various industries due to their corrosion resistance and strength to weight ratio. ISF is a flexible and cost effective process for producing complex shapes. The aim of this study was to gain insight into the frictional conditions during ISF that affect formability, surface quality, and overall process performance. The experiments were carried out using a combination of MoS2 lubrication and friction stir rotation-assisted heating. COF was measured using a high precision piezoelectric dynamometer, taking into account axial and horizontal forces. A split-plot design was used and 25 runs were performed to obtain the COF for each run. The results of the study provide valuable information on the relationship between input parameters and COF, contributing to the understanding of the frictional conditions in the ISF.

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“…SPIF has a complex forming mechanism wherein bending, shearing, and stretching occur [12]. Thus, significant changes are seen in the material microstructure [13] and hardness [14] during SPIF. The hardening of the sheet material can be a beneficial effect, which is desirable in many applications of titanium.…”

Section: Introductionmentioning

confidence: 99%

Process variables optimization for multiple responses in SPIF of titanium using Taguchi-GRA

Dutta,

Chandna

2023

Eng. Res. Express

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In the modern era, titanium has gained global acceptance as a key material for innovative and significant applications in numerous industrial sectors, including aerospace, medical, automotive, and many more. In this work, optimization of process variables in Single Point Incremental Forming (SPIF) of titanium has been done using Taguchi-grey relational analysis to attain simultaneously: improved geometrical accuracy and maximum microhardness in the formed parts of conical shape. The input parameters elected were step size (SS), feed rate (FEED), and tool rotation speed (TRPM) to explore their effects on geometrical accuracy (roundness and concentricity) and microhardness. Among the parameter levels considered in this work, 0.2 mm SS, 800 mm/min FEED, and TRPM of 600 have been recognized as the optimal setting. The Analysis of Variance (ANOVA) tests have been conducted to quantify the significance of SPIF parameters on the responses. The SS was revealed as the most influencing parameter, followed by FEED, and TRPM was the least significant parameter for the desired responses. The results of confirmation experiments have shown good agreement with predicted values of responses attained in Taguchi-Grey Relational Analysis.

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An assessment of residual stresses and micro-structure during single point incremental forming of commercially pure titanium used in biomedical applications

Cited by 9 publications

References 17 publications

Evaluation of residual stresses in CO₂ laser beam welding of SS316L weldments using FEA

Evaluation of residual stresses in CO₂ laser beam welding of SS316L weldments using FEA

Influence of Input Parameters on the Coefficient of Friction during Incremental Sheet Forming of Grade 5 Titanium Alloy

Process variables optimization for multiple responses in SPIF of titanium using Taguchi-GRA

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An assessment of residual stresses and micro-structure during single point incremental forming of commercially pure titanium used in biomedical applications

Cited by 9 publications

References 17 publications

Evaluation of residual stresses in CO2 laser beam welding of SS316L weldments using FEA

Evaluation of residual stresses in CO2 laser beam welding of SS316L weldments using FEA

Influence of Input Parameters on the Coefficient of Friction during Incremental Sheet Forming of Grade 5 Titanium Alloy

Process variables optimization for multiple responses in SPIF of titanium using Taguchi-GRA

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Evaluation of residual stresses in CO₂ laser beam welding of SS316L weldments using FEA

Evaluation of residual stresses in CO₂ laser beam welding of SS316L weldments using FEA