Calibration of X-Ray Diffraction Instruments for Residual-Stress Measurement

Trofimov, V. N.; Karmanov, V. V.; Shiryaev, A. A.; Zvonov, S.N.

doi:10.3103/s1068798x19030225

Cited by 5 publications

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“…Calculating σ = M•K, where K is the elasticity constant and M is the slope of the 2θ-sin2ϕ plot in the XRD pattern, yields the residual stress. [46,47]:…”

Section: Er Review 7 Of 14mentioning

confidence: 99%

“…Calculating σ = M•K, where K is the elasticity constant and M is the slope of the 2θ-sin2φ plot in the XRD pattern, yields the residual stress. [46,47]: There are several uses for the electrical energy that the PENG produces. Due to the high instantaneous voltage and current produced by the PENG, Figure 8a depicts 50 commercial light-emitting diodes (LEDs) being illuminated immediately by a 10% CBT/PVDF PENG without any charge storage (Video S1, Supplementary Materials).…”

Section: Er Review 7 Of 14mentioning

confidence: 99%

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Coral-like BaTiO3-Filled Polymeric Composites as Piezoelectric Nanogenerators for Movement Sensing

Jian

Zhang

et al. 2023

Polymers

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Piezoelectric nanogenerators have prospective uses for generating mechanical energy and powering electronic devices due to their high output and flexible behavior. In this research, the synthesis of the three-dimensional coral-like BaTiO3 (CBT) and its filling into a polyvinylidene fluoride (PVDF) matrix to obtain composites with excellent energy harvesting properties are reported. The CBT-based PENG has a 163 V voltage and a 16.7 µA current at a frequency of 4 Hz with 50 N compression. Simulations show that the high local stresses in the CBT coral branch structure are the main reason for the improved performance. The piezoelectric nanogenerator showed good durability at 5000 cycles, and 50 commercial light-emitting diodes were turned on. The piezoelectric nanogenerator generates a voltage of 4.68–12 V to capture the energy generated by the ball falling from different heights and a voltage of ≈0.55 V to capture the mechanical energy of the ball’s movement as it passes. This study suggests a CBT-based piezoelectric nanogenerator for potential use in piezoelectric sensors that has dramatically improved energy harvesting characteristics.

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“…Calculating σ = M•K, where K is the elasticity constant and M is the slope of the 2θ-sin2ϕ plot in the XRD pattern, yields the residual stress. [46,47]:…”

Section: Er Review 7 Of 14mentioning

confidence: 99%

Section: Er Review 7 Of 14mentioning

confidence: 99%