Comparison analysis of titanium alloy Ti6Al4V produced by metallurgical and 3D printing method

Karolewska, Karolina; Ligaj, Bogdan

doi:10.1063/1.5091886

Cited by 26 publications

(15 citation statements)

References 16 publications

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“…The material mechanical properties, and above all the Young's modulus, are of great importance due to the calculation results under static and variable loads by the means of analytical and numerical methods [21][22][23]. The vast majority of structural components are designed for the extent to which Hooke's law applies.…”

Section: Introductionmentioning

confidence: 99%

Strain Analysis of Ti6Al4V Titanium Alloy Samples Using Digital Image Correlation

2020

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Digital image correlation (DIC) is a non-contact optical method that allows measuring displacements on a plane used to determine the strains caused by external loads of a structural element (mechanical or thermal). Currently, digital image correlation is a widely used experimental technique to assess the mechanical behavior of materials, in particular cracking characteristics and destruction methods of various structural elements. In this paper, the DIC method is applied to determine local strains of titanium alloy Ti6Al4V specimen. The samples used in the tests were made with two different technologies: (a) from a drawn bar by machining process; and (b) by the additive manufacturing method Direct Metal Laser Sintering (DMLS). The aim of the paper is to present the mechanical properties test results of the Ti6Al4V titanium alloy produced by the DMLS additive manufacturing under static loads using the digital image correlation method. As a result of the tests carried out on the drawn bar specimens, it was concluded that the change in the measurement base affects the difference in the Young’s E modulus value in the range from 89.2 to 103.8 GPa. However, for samples formed using the DMLS method, the change in the Young’s modulus value was from 112.9 to 115.3 GPa for the same measurement base.

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Section: Introductionmentioning

confidence: 99%

Strain Analysis of Ti6Al4V Titanium Alloy Samples Using Digital Image Correlation

2020

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“…Ti6Al4V titanium alloy ( Table 1 ), is a construction material that is popular due to its low density and high strength as compared to steel materials, and it is widely described in the literature in terms of both its mechanical characteristics [ 14 , 28 , 29 ] and subtractive technologies [ 30 ]. The mechanical properties of the above-mentioned alloy are attributed to its crystalline structure composed of α + β phases, where the coarse grain phase α occurs along with β phases saturated with vanadium and aluminum with locations on the grain boundaries.…”

Section: Methodsmentioning

confidence: 99%

Analytic Model of Maximal Experimental Value of Stress Intensity Factor KQ for AA2519–AA1050–Ti6Al4V Layered Material

Kotyk

2020

Materials

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The article presents the results of the author’s tests involving the determination of the maximal experimental value of the stress intensity factor KQ. This value was determined for a layered material obtained as the result of explosive welding of three alloys: AA2519, Ti6Al4V and AA1050, and separately for each material. In both cases tests were conducted for two temperatures—the ambient temperature (293 K), and cryogenic temperature (77 K). A model for initial assessment of the KQ value of AA2519–AA1050–Ti6Al4V (Al–Ti) layered material has also been presented. The proposed model has been developed so as to enable the determination of the curve course of load–COD for Al–Ti layered material using nominal stresses defined on the basis of a real load–COD course, obtained for the base materials, for both temperature conditions.

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“…To prevent cracking during forming the component is heated slightly above room temperature to between 50 C and 100 C. Headplate manufacturing variances are kept to +/-0.1 mm or better on all dimensions to ensure balance of manufacturability and compatibility with the clamping system, maintain consistency throughout the lifetime of the experiment, and to allow high precision placement of the headplate on the animal. It is worth noting that for smaller scale experimentation, headframes can be produced with 3D printing, without any compromises to datum surface registration or rigidity (Karolewska & Ligaj, 2019;Owsiński & Niesłony, 2018). Additionally, if so desired, titanium headframes can be reused by removing them from mice post-mortem and cleaning with commonly used, titanium-compatible solvents such as acetone (Park et al, 2012).…”

Section: Headframementioning

confidence: 99%

A standardized head-fixation system for performing large-scale, in vivo physiological recordings in mice

Groblewski

Sullivan

Lecoq

et al. 2020

Preprint

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12The Allen Institute recently built a set of high-throughput experimental pipelines to 13 collect comprehensive in vivo surveys of physiological activity in the visual cortex of awake, 14head-fixed mice. Developing these large-scale, industrial-like pipelines posed many scientific, 15operational, and engineering challenges. Here we describe our strategies for collecting 16standardized, multi-modal in vivo datasets across many instrumental platforms over long 17 periods of time. Our goal of creating a cross-platform reference space to which all pipeline 18 datasets were mapped required development of 1) a robust headframe, 2) a reproducible 19clamping system, and 3) data-collection systems that are built, and maintained, around precise 20 alignment with a reference artifact. When paired with our pipeline clamping system, the Allen 21Brain Observatory headframe exceeded deflection and reproducibility requirements. All 22 headframe, surgical tooling, and clamp design documentation have been made freely available 23 as an open resource to the scientific community. 24 65

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Comparison analysis of titanium alloy Ti6Al4V produced by metallurgical and 3D printing method

Cited by 26 publications

References 16 publications

Strain Analysis of Ti6Al4V Titanium Alloy Samples Using Digital Image Correlation

Strain Analysis of Ti6Al4V Titanium Alloy Samples Using Digital Image Correlation

Analytic Model of Maximal Experimental Value of Stress Intensity Factor KQ for AA2519–AA1050–Ti6Al4V Layered Material

A standardized head-fixation system for performing large-scale, in vivo physiological recordings in mice

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