Academic literature on the topic 'Martens hardness'

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Journal articles on the topic "Martens hardness"

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Wilde, Hans-Rudolf, and Alois Wehrstedt. "Introduction of Martens Hardness HM." Materials Testing 42, no. 11-12 (2000): 468–70. http://dx.doi.org/10.1515/mt-2000-4211-1212.

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Yang, Wang, Jing Wang, Yi Liang Zhang, and Yang Liu. "Experimental Researches on Relation between Martens Hardness and Traditional Mechanical Properties." Applied Mechanics and Materials 189 (July 2012): 205–9. http://dx.doi.org/10.4028/www.scientific.net/amm.189.205.

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For finding the relation between Martens hardness and Vickers hardness, Rockwell hardness, tensile strength, yield strength, research are done on carbon alloy steel by experiment, linear regression analysis and derivation of equation .Martens hardness, Vickers hardness and Rockwell hardness of 30 samples which contains 3 material and 10 hardness levels are tested by ZHU 2.5 hardness tester. On the basis of 180 groups of data obtained and analyzed from instrumented indentation experiments, mathematic model between Martens hardness and Vickers hardness is established, by linear regression analys
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HABIBI, Samir, Djamel Eddine SEMSOUM, and Abdelnour MEZOUGH. "Analysis of the hardness of aluminum by instrumented micro indentation." Recueil de mécanique 4, no. 2 (2020): 409–16. https://doi.org/10.5281/zenodo.3738701.

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The microindentation experimental tests were carried out on Aluminum 6061-T6 films. A comparative study between the estimation of Martens hardness and that of indentation is implemented, through the mathematical modeling of these two hardnesses respectively. The indentation size effect is a determining factor in characterizing the hardness of the material studied. This phenomenon is dependent on the macrodureté which corresponds to the hardness obtained by the application of an infinite load. To take into account the deformation modes around the imprint, the indentation hardness is used
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Shahdad, Shakeel A., John F. McCabe, Steven Bull, Sandra Rusby, and Robert W. Wassell. "Hardness measured with traditional Vickers and Martens hardness methods." Dental Materials 23, no. 9 (2007): 1079–85. http://dx.doi.org/10.1016/j.dental.2006.10.001.

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Moshchenok, Vasyl, Lyidmila Kostina, and Denis Pluzhnikov. "Dimensional effect when measuring Martens hardness." Bulletin of Kharkov National Automobile and Highway University, no. 94 (December 16, 2021): 128. http://dx.doi.org/10.30977/bul.2219-5548.2021.94.0.128.

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One of the most common methods of non-destructive testing, hardness testing, is used to evaluate the properties of materials. This is due to the ease of measurement and testing of the finished part, which will be used in the future, high productivity of the method, the ability to assess other mechanical properties of the material: elasticity, creep, tensile strength. An important aspect in the study of the hardness using in the range the Berkovich and Vickers indenters, which are more consistent with non-destructive testing, while the methods of Brinell and Rockwell leave quite large deformati
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Kuzu, Cihan, and Kürşat Kazmanlı. "Realization of Martens hardness method in macro range with high accuracy force and indentation depth." Acta IMEKO 13, no. 1 (2024): 1–7. http://dx.doi.org/10.21014/actaimeko.v13i1.1750.

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TÜBİTAK UME Hardness Laboratory has been working on instrumentation in the field of hardness metrology since 2005 and three generations of hardness standardizing machines were developed since then to be used as reference (calibration/standardizing) machines in Türkiye. In former designs conventional hardness methods such as Rockwell, Brinell and Vickers scales were the main scope of the projects. In the final Project that was supported and funded by TÜBİTAK UME to develop three hardness standard machines to be used as national standards for the conventional hardness scales mentioned, the Instr
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Rosentritt, Martin, Sebastian Hahnel, Sibylle Schneider-Feyrer, Thomas Strasser, and Alois Schmid. "Martens Hardness of CAD/CAM Resin-Based Composites." Applied Sciences 12, no. 15 (2022): 7698. http://dx.doi.org/10.3390/app12157698.

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(1) Background: The properties of CAD/CAM resin-based composites differ due to differences in their composition. Instrumented indentation testing can help to analyze these differences with respect to hardness, as well as energy-converting capabilities due to viscoelastic behavior. (2) Methods: Eleven materials were investigated using instrumented indentation testing. Indentation depth (hr), Martens hardness (HM), indentation hardness (HIT), indentation modulus (EIT), the elastic part of indentation work (ηIT), and indentation creep (CIT) were investigated, and statistical analysis was performe
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Wilde, H. R., and A. Wehrstedt. "Martens Hardness HM — an international accepted designation for “Hardness under Test Force”." Materialwissenschaft und Werkstofftechnik 31, no. 10 (2000): 937–40. http://dx.doi.org/10.1002/1521-4052(200010)31:10<937::aid-mawe937>3.0.co;2-1.

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Tamașag, Ioan, Irina Beșliu-Băncescu, Traian-Lucian Severin, Constantin Dulucheanu, and Delia-Aurora Cerlincă. "Experimental Study of In-Process Heat Treatment on the Mechanical Properties of 3D Printed Thermoplastic Polymer PLA." Polymers 15, no. 10 (2023): 2367. http://dx.doi.org/10.3390/polym15102367.

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The scientific literature regarding additive manufacturing, mainly the material extrusion method, suggests that the mechanical characteristics of the parts obtained by this technology depend on a number of the input factors specific to the printing process, such as printing temperature, printing trajectory, layer height, etc., and also on the post-process operations for parts, which, unfortunately, requires supplementary setups, equipment, and multiple steps that raise the overall costs. Therefore, this paper aims to investigate the influence of the printing direction, the thickness of the dep
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Bhardwaj, Amit, Kratika Mishra, Ankita Pandey, Deepali Kirtiwar, Asmita Kharche, and Prashanth Agaldiviti. "Mechanical Properties of 3D Printed Orthodontic Aligners Produced by Different Commercially Available Printers - An In-Vitro Study." Journal of Pharmacy and Bioallied Sciences 16, Suppl 2 (2024): S1431—S1432. http://dx.doi.org/10.4103/jpbs.jpbs_796_23.

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ABSTRACT The aim of this study was to compare the mechanical properties of orthodontic aligners among different commercially available 3D printing devices. Three different 3D printers were included in this study (Formlabs Form 2 3D printer; Moonray S100 printer (Sprintray, Los Angeles, CA, USA); Eden500V Stratasys 3D Printers were used to prepare orthodontic aligners with dental. The central incisors of each aligner were cut, prepared, and evaluated in terms of Martens-Hardness (HM), indentation-modulus (EIT), and elastic-index (ηIT) as per ISO14577-1:2002. Post hoc pairwise comparisons indica
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Conference papers on the topic "Martens hardness"

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Sokołowski, P., A. Mejias, D. Chicot, R. Musalek, P. Nylen, and L. Pawłowski. "The Evaluation of Mechanical Properties of Suspension Plasma Sprayed Zirconia Coatings Having Various Microstructures." In ITSC 2016, edited by A. Agarwal, G. Bolelli, A. Concustell, et al. DVS Media GmbH, 2016. http://dx.doi.org/10.31399/asm.cp.itsc2016p0573.

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Abstract This paper examines the microstructure and morphology of zirconia coatings and demonstrates the calculation of elastic modulus and Martens hardness based on instrumented indentation test results. Coatings samples varying in microstructure, phase content, and chemical composition were deposited by suspension plasma spraying using different torches and different suspension formulations. Coatings produced from low-concentration suspensions with submicron-size powders had a columnar structure with long vertical pores between the columns and fine spherical pores within the columns. Coating
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Guo, Xuhong, and Dongdong Wan. "An Experimental Study on Machinability of Austempered Ductile Irons During Dry Turning by Ceramic Cutting Tools." In ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-70067.

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Experimental investigation on the dry-turnned machinability of austempered ductile iron (ADI) samples using CC650 ceramic cutting tools were carried out in this paper, in which ADI samples are isothermally quenched at 300°C, 350°C, 400°C (hereafter referred as ADI300, ADI350, ADI400, respectively), chip morphologies were also characterized using scanning electron microscope (SEM).Results showed that they own different machinabilities based on the analysis of cutting forces and chip characteristics, strongly implying that ADI350 sample exhibits a relatively improved machinability while its mech
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Zhuk, Yuri. "Nanostructured CVD W/WC Coating Protects Steam and Gas Turbine Blades Against Water Droplet Erosion." In ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/gt2022-80263.

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Abstract Gas turbine compressor blades operating with air inlet fogging can suffer from Water Droplet Erosion (WDE). WDE can also affect the last rows of steam turbines where expanding steam produces water condensation, especially under start-up and low load conditions. WDE damages the blades’ leading and sometimes trailing edges, increasing turbine rotation drag, reducing efficiency and leading to costly maintenance. This paper reports the testing of Hardide® nano-structured W/WC metal matrix composite coating as a protection against WDE. The Chemical Vapor Deposition (CVD) technology crystal
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