Multireflection grazing incidence diffraction used for stress measurements in surface layers

Marciszko, Marianna; Baczmański, Andrzej; Wróbel, Mirosław; Seiler, Wilfrid; Braham, C.; Donges, Jörn; Śniechowski, Maciej; Wierzbanowski, K.

doi:10.1016/j.tsf.2012.05.042

Cited by 26 publications

(27 citation statements)

References 9 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The characteristic feature of this method is a small and constant incidence angle [10][11][12]. Consequently, the penetration depth of X-ray radiation is well defined and does not change during the experiment.…”

Section: Stress Measurements Using Grazing Incidence Geometrymentioning

confidence: 99%

“…Therefore, the grazing incidence X-ray diffraction geometry (GIXD) was applied to measure residual stresses in thin surface layers [5][6][7][8][9][10][11][12]. In this work one of the version of the GIXD method referred to as the multi-reflection grazing incidence X-ray diffraction (MGIXD, [10][11][12]) was used in the laboratory diffractometer equipped with the Göbel mirror in the incident beam optics. Using this method, it is possible to perform a non-destructive stress analysis for different (and well defined) volumes below the surface of the sample and the stress can be measured at very shallow depths of a few micrometers.…”

Section: Introductionmentioning

confidence: 99%

“…The reproducibility of the experimental setup with the Göbel mirror was already tested repeating measurements for different powder specimens [12]. It was found that the difference between the stresses measured using the MGIXD method was smaller than 15 MPa for the Al powder.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Application of multireflection grazing incidence method for stress measurements in polished Al–Mg alloy and CrN coating

Marciszko

Baczmański

Wierzbanowski

et al. 2013

Applied Surface Science

Self Cite

View full text Add to dashboard Cite

is an open access repository that collects the work of Arts et Métiers ParisTech researchers and makes it freely available over the web where possible. a b s t r a c tMulti-reflection grazing incidence geometry, referred to as MGIXD, characterized by a small and constant incidence angle, was applied to measure low surface stresses in very thin layers of Al-Mg alloy and CrN coating. These two materials were selected in order to deal with the low and high levels of residual stress, respectively. The influence of different mechanical treatments on residual stresses was studied for Al-Mg samples. It was found that both rolling and mechanical polishing influence the distribution and amplitude of residual stress in surface layers. In the case of CrN coating, a very high compressive stress was generated during the deposition process. The stress distributions determined by the MGIXD method is in good agreement with the classic sin 2 technique results for all studied samples. In performing stress measurements for a powder sample, it was found that the application of the Göbel mirror in the incident beam strongly reduces statistical and misalignment errors. Additionally, the root mean square values of the third order lattice strain within diffracting grains were determined.

show abstract

Section: Stress Measurements Using Grazing Incidence Geometrymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Application of multireflection grazing incidence method for stress measurements in polished Al–Mg alloy and CrN coating

Marciszko

Baczmański

Wierzbanowski

et al. 2013

Applied Surface Science

Self Cite

View full text Add to dashboard Cite

show abstract

“…where: 2q {hkl} are the diffraction angles corresponding to those reflections hkl for which diffraction peaks are measured [8,10,11].…”

Section: Introductionmentioning

confidence: 99%

“…1). It is convenient to use for the MGIXD method, instead of < dðf; j; zÞ > fhklg , the so called equivalent lattice parameters < aðf; j; zÞ > fhklg and to express them with the macrostresses s I ij ðzÞ and strain free lattice constant a 0 [3,4,8,10,11]:…”

Section: Introductionmentioning

confidence: 99%

Stress measurements by multi-reflection grazing-incidence X-ray diffraction method (MGIXD) using different radiation wavelengths and different incident angles

et al. 2017

View full text Add to dashboard Cite

et al.. Stress measurements by multi-reflection grazing-incidence X-ray diffraction method (MGIXD) using different radiation wavelengths and different incident angles. Acta Materialia, Elsevier, 2017, 123, pp.157-166. <10.1016/j.actamat.2016.029>. Full length article Stress measurements by multi-reflection grazing-incidence X-ray diffraction method (MGIXD) using different radiation wavelengths and different incident angles t r a c tThe presented study introduces the development of the multi-reflection grazing-incidence X-ray diffraction method (MGIXD) for residual stress determination. The proposed new methodology is aimed at obtaining more reliable experimental data and increasing the depth of non-destructive stress determination below the sample surface. To verify proposed method measurements were performed on a classical X-ray diffractometer (Cu Ka radiation) and using synchrotron radiation (three different wavelengths: l ¼ 1.2527 Å, l ¼ 1.5419 Å and l ¼ 1.7512 Å). The Al2017 alloy subjected to three different surface treatments was investigated in this study. The obtained results showed that the proposed development of MGIXD method, in which not only different incident angles but also different wavelengths of X-ray are used, can be successfully applied for residual stress determination, especially when stress gradients are present in the sample.

show abstract

Development and Application of Multi‐Scale Numerical Tool to Modeling Pneumatic Ventricular Assist Devices with Increased Athrombogenicity

Kopernik

2014

Adv Eng Mater

View full text Add to dashboard Cite

The multi-scale numerical model of blood chamber of ventricular assist device (VAD) with deposited a biocompatible titanium nitride (TiN) nano-coating is introduced. The model is developed to optimize shape parameters of the blood chamber and to determine fracture parameters of the nano-coating. The development of finite element (FE) macro-model is combined with a digital image correlation data to validate a computed strain state. Contrary, on a micro-scale calibration and validation of a representative volume element (RVE) model of the wall of VAD composed of the TiN coating and substrate-polymer is realized by comparison with results of an experimental in situ SEM's micro-tensile test. The multi-scale model of VAD is enriched with materials research. Thus, tensile tests of VADs' polymers are performed to obtain the properties of designed materials of the VADs. On the other hand, on a micro-scale, the properties of TiN are identified based on a nanoindentation test and an inverse analysis for its interpretation. The profilometric studies and analytical model are presented to calculate a residual stress in the TiN. The final result of the paper is the multi-scale numerical tool to modeling pneumatic VADs with increased biocompatibility produced in Poland. REVIEW Fig. 2. The general conception of the multiÀscale model of VAD's blood chamber: (a) a residual stress modeling and (b) an active load modeling. Reproduced with permission. [15] Fig. 7. The distribution of displacement in Z direction on an external surface of the blood chamber of the VAD under pressure 37.3 kPa and in temperature 37 C: (a) the DIC's result, mm, (b) the FE model's result in the VADFEM code, mm, (c) standard deviation of the DIC's ZÀdirectional displacement (in mm), and (d) standard deviation of the DIC's XÀdirectional principal strains (shown values × 10 − 3 ). Reproduced with permission. [33] 285 REVIEW Fig. 9. Local distributions of (a) an effective strain and (b) a triaxiality factor in the model 4 of prototype of the Polish VAD. Reproduced with permission. [17] The AFM's image of topography of the TiN nano-coating of thickness 50 nm on the selected line of the area 100 nm Â 100 nm; (b) the AFM's image of topography of the TiN nano-coating of thickness 100 nm on the selected line of the area 1 mm Â 1 mm.

show abstract

Multireflection grazing incidence diffraction used for stress measurements in surface layers

Cited by 26 publications

References 9 publications

Application of multireflection grazing incidence method for stress measurements in polished Al–Mg alloy and CrN coating

Application of multireflection grazing incidence method for stress measurements in polished Al–Mg alloy and CrN coating

Stress measurements by multi-reflection grazing-incidence X-ray diffraction method (MGIXD) using different radiation wavelengths and different incident angles

Development and Application of Multi‐Scale Numerical Tool to Modeling Pneumatic Ventricular Assist Devices with Increased Athrombogenicity

Contact Info

Product

Resources

About