Mechanical Properties and Corrosion Resistance of HVOF Sprayed Coatings Using Nanostructured Carbide Powders

Żórawski, W.; Makrenek, M.; Góral, A.

doi:10.1515/amm-2016-0297

Cited by 15 publications

(8 citation statements)

References 13 publications

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“…Then, the mixture is directed to the press, in which it is compressed at a pressure of 15-20 MPa, and formed into bricks and blocks. A hydraulic press is more effective for the production of this kind of bricks [17,18].…”

Section: Introductionmentioning

confidence: 99%

A Sustainable Autoclaved Material Made of Glass Sand

2019

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Far-reaching technological progress, manufacturing, and rapidly advancing globalization dictate new conditions for the development and changes in the construction industry. Valorization of by-products and the use of secondary materials in the production of building materials have attracted a lot of attention. Silicate materials were assessed on the basis of their compressive property. An orthogonal compositional plan type 3k (with k = 2), that is, a full two-factor experiment was applied in order to carry out the compressive strength and bulk density tests. Glass sand was added to the silicate mass as a modification. The results show that the compressive strength was higher than that of traditional bricks. Scanning electron microscopy coupled with energy dispersive spectrometry SEM/EDS was used to study the microstructure, whereas the XRD analysis was applied to examine the structures. Laboratory tests were performed on samples with dimensions of 50 × 50 × 50 mm. The results show the bulk density increase to the value of 1.75 kg/dm3, which increases the acoustic performance of the new products. The results of the modifications also indicate changes in the structure of the new bricks. The reference sample contained α-quartz, zeolite, tobermorite 9A, and calcium aluminum silicate (Ca2Al4Si12O32), whereas the samples modified with glass sand, the presence of phases such as α-cristobalite, natrolite, tobermorite 11A, gyrolite, and analcite was recorded.

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Section: Introductionmentioning

confidence: 99%

A Sustainable Autoclaved Material Made of Glass Sand

2019

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“…The basic functions of thermal spray coatings include different applications, e.g. wear-resistant and regenerating coatings [1][2][3][4]. Coatings with a thickness of a few to several mm make it possible to produce individual products, thus being classified as additive technologies [5].…”

Section: Introductionmentioning

confidence: 99%

Nanoindentation as a Method for Determining the Mechanical Properties of Cold Spray Coatings

Makrenek¹

2021

Komunikácie

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The paper presents the methodology behind the statistical selection of input parameters using the example of spraying two cold-sprayed coatings. The Ti and Cr3C2-25(Ni20Cr)-Gr coatings were tested. Despite the large difference in the structure of these coatings, nanoindentation studies were carried out focusing on the nano hardness H and elastic modulus E. Based on the four input parameters and two output parameters, a 2-level factorial 2(k-p) experimental design was performed. The conducted analysis showed the significant influence of the spray distance on the H and E values in the case of the Ti coating. The input parameters of the spray distance and the type of carrier gas used turned out to be statistically significant in the case of the cermet coating. Taking into account the statistical analysis, the coatings were sprayed with modified values of the input parameters.

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“…At present in industrial practice, characterization of the surface irregularities is conducted with the use of spatial analysis [Miller 2017, Zorawski 2016. It is due to the fact that such method of analysis provides much more information about surface texture of the workpiece than an analysis based on a singular 2D profile [Stepien 2019, Gogolewski 2020.…”

Section: Introductionmentioning

confidence: 99%

An Analysis of the Efficiency of Methods of Temperature Error Correction in Surface Texture Measurements

Makiela¹,

Świderski²,

Stepien³

2020

MM SJ

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One of the factors influencing contact measurements of surface texture are periodical changes of environmental temperature that are associated with the mode of operation of airconditioning systems applied in metrological laboratories. Temperature changes are the reason of appearing of additional waviness components in the measurement result. Research activities aiming at elimination of this type of error from measurement results have been conducted for a few years at the Department of Manufacturing Engineering and Metrology of the Kielce University of Technology. In order to separate the waviness resulting from periodical changes of environmental temperature various types of filters can be applied, including Gaussian filters, two-dimensional wavelet transform or Fast Fourier Transform algorithms. The paper presents up-to-date results of the analysis of the efficiency of individual filtration methods aiming at the correction of temperature error that appears when measuring surface texture with the use of contact methods.

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Mechanical Properties and Corrosion Resistance of HVOF Sprayed Coatings Using Nanostructured Carbide Powders

Cited by 15 publications

References 13 publications

A Sustainable Autoclaved Material Made of Glass Sand

A Sustainable Autoclaved Material Made of Glass Sand

Nanoindentation as a Method for Determining the Mechanical Properties of Cold Spray Coatings

An Analysis of the Efficiency of Methods of Temperature Error Correction in Surface Texture Measurements

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