梯度结构材料弹性模量的x射线衍射定量估计方法

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2019 Pub Date : 2019-11-19 DOI:10.1063/1.5132124

M. Ostapenko, L. Meisner

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摘要

本文论证了x射线衍射(XRD)方法定量估计梯度结构材料弹性模量的有效性。利用该方法计算了在光束能量E= 15 J/cm2和脉冲持续时间τ = 150µsx辐照下NiTi样品的弹性模量。结果表明，采用纳米压痕法得到的相同样品的XRD弹性模量E(hkl， ψ)与弹性模量En比较值接近。本文论证了x射线衍射(XRD)方法定量估计梯度结构材料弹性模量的有效性。利用该方法计算了在光束能量E= 15 J/cm2和脉冲持续时间τ = 150µsx辐照下NiTi样品的弹性模量。结果表明，采用纳米压痕法得到的相同样品的XRD弹性模量E(hkl， ψ)与弹性模量En比较值接近。

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X-ray diffraction method for quantitative estimation of elastic modulus in materials with gradient structure

The efficiency of X-ray diffraction (XRD) method for quantitative estimation of elastic modulus in materials with gradient structure have been demonstrated in the paper. This method was used to calculate the elastic modulus for NiTi samples irradiated at a beam energy E= 15 J/cm2 and pulse duration τ = 150 µsx. It is determined that the compared values of XRD elastic modulus E(hkl, ψ) and elastic modulus En obtained for the same samples by nanoindentation are close.The efficiency of X-ray diffraction (XRD) method for quantitative estimation of elastic modulus in materials with gradient structure have been demonstrated in the paper. This method was used to calculate the elastic modulus for NiTi samples irradiated at a beam energy E= 15 J/cm2 and pulse duration τ = 150 µsx. It is determined that the compared values of XRD elastic modulus E(hkl, ψ) and elastic modulus En obtained for the same samples by nanoindentation are close.

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PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2019

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