Mechanical Behavior of Titanium Based Metal Matrix Composites Reinforced with TiC or TiB Particles under Quasi-Static and High Strain-Rate Compression

The mechanical behavior of titanium alloys has been mostly studied in quasi-static conditions when the strain rate does not exceed 10 s<sup>−1</sup>, while the studies performed in dynamic settings specifically for Ti-based composites are limited. Such data are critical to prevent the “s...

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Autores principales:	Pavlo E. Markovsky, Jacek Janiszewski, Oleksandr O. Stasyuk, Vadim I. Bondarchuk, Dmytro G. Savvakin, Kamil Cieplak, Daniel Goran, Purvesh Soni, Sergey V. Prikhodko
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	titanium matrix composite titanium carbide titanium boride microstructure mechanical properties high-strain-rate testing Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/fb0878ffb98843d6bbd2d434144fcef2
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spelling	oai:doaj.org-article:fb0878ffb98843d6bbd2d434144fcef22021-11-25T18:14:00ZMechanical Behavior of Titanium Based Metal Matrix Composites Reinforced with TiC or TiB Particles under Quasi-Static and High Strain-Rate Compression10.3390/ma142268371996-1944https://doaj.org/article/fb0878ffb98843d6bbd2d434144fcef22021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/22/6837https://doaj.org/toc/1996-1944The mechanical behavior of titanium alloys has been mostly studied in quasi-static conditions when the strain rate does not exceed 10 s<sup>−1</sup>, while the studies performed in dynamic settings specifically for Ti-based composites are limited. Such data are critical to prevent the “strength margin” approach, which is used to assure the part performance under dynamic conditions in the absence of relevant data. The purpose of this study was to obtain data on the mechanical behavior of Ti-based composites under dynamic condition. The Metal Matrix Composites (MMC) on the base of the alloy Ti-6Al-4V (wt.%) were made using Blended Elemental Powder Metallurgy with different amounts of reinforcing particles: 5, 10, and 20% of TiC or 5, 10% (vol.) of TiB. Composites were studied at high strain rate compression ~1–3 × 10<sup>3</sup>·s<sup>−1</sup> using the split Hopkinson pressure bar. Mechanical behavior was analyzed considering strain rate, phase composition, microstructure, and strain energy (SE). It is shown that for the strain rates up to 1920 s<sup>−1</sup>, the strength and SE of MMC with 5% TiC are substantially higher compared to particles free alloy. The particles TiC localize the plastic deformation at the micro level, and fracturing occurs mainly by crushing particles and their aggregates. TiB MMCs have a finer grain structure and different mechanical behavior. MMC with 5 and 10% TiB do not break down at strain rates up to almost 3000 s<sup>−1</sup>; and 10% MMC surpasses other materials in the SE at strain rates exceeding 2200 s<sup>−1</sup>. The deformation mechanism of MMCs was evaluated.Pavlo E. MarkovskyJacek JaniszewskiOleksandr O. StasyukVadim I. BondarchukDmytro G. SavvakinKamil CieplakDaniel GoranPurvesh SoniSergey V. PrikhodkoMDPI AGarticletitanium matrix compositetitanium carbidetitanium boridemicrostructuremechanical propertieshigh-strain-rate testingTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6837, p 6837 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	titanium matrix composite titanium carbide titanium boride microstructure mechanical properties high-strain-rate testing Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	titanium matrix composite titanium carbide titanium boride microstructure mechanical properties high-strain-rate testing Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Pavlo E. Markovsky Jacek Janiszewski Oleksandr O. Stasyuk Vadim I. Bondarchuk Dmytro G. Savvakin Kamil Cieplak Daniel Goran Purvesh Soni Sergey V. Prikhodko Mechanical Behavior of Titanium Based Metal Matrix Composites Reinforced with TiC or TiB Particles under Quasi-Static and High Strain-Rate Compression
description	The mechanical behavior of titanium alloys has been mostly studied in quasi-static conditions when the strain rate does not exceed 10 s<sup>−1</sup>, while the studies performed in dynamic settings specifically for Ti-based composites are limited. Such data are critical to prevent the “strength margin” approach, which is used to assure the part performance under dynamic conditions in the absence of relevant data. The purpose of this study was to obtain data on the mechanical behavior of Ti-based composites under dynamic condition. The Metal Matrix Composites (MMC) on the base of the alloy Ti-6Al-4V (wt.%) were made using Blended Elemental Powder Metallurgy with different amounts of reinforcing particles: 5, 10, and 20% of TiC or 5, 10% (vol.) of TiB. Composites were studied at high strain rate compression ~1–3 × 10<sup>3</sup>·s<sup>−1</sup> using the split Hopkinson pressure bar. Mechanical behavior was analyzed considering strain rate, phase composition, microstructure, and strain energy (SE). It is shown that for the strain rates up to 1920 s<sup>−1</sup>, the strength and SE of MMC with 5% TiC are substantially higher compared to particles free alloy. The particles TiC localize the plastic deformation at the micro level, and fracturing occurs mainly by crushing particles and their aggregates. TiB MMCs have a finer grain structure and different mechanical behavior. MMC with 5 and 10% TiB do not break down at strain rates up to almost 3000 s<sup>−1</sup>; and 10% MMC surpasses other materials in the SE at strain rates exceeding 2200 s<sup>−1</sup>. The deformation mechanism of MMCs was evaluated.
format	article
author	Pavlo E. Markovsky Jacek Janiszewski Oleksandr O. Stasyuk Vadim I. Bondarchuk Dmytro G. Savvakin Kamil Cieplak Daniel Goran Purvesh Soni Sergey V. Prikhodko
author_facet	Pavlo E. Markovsky Jacek Janiszewski Oleksandr O. Stasyuk Vadim I. Bondarchuk Dmytro G. Savvakin Kamil Cieplak Daniel Goran Purvesh Soni Sergey V. Prikhodko
author_sort	Pavlo E. Markovsky
title	Mechanical Behavior of Titanium Based Metal Matrix Composites Reinforced with TiC or TiB Particles under Quasi-Static and High Strain-Rate Compression
title_short	Mechanical Behavior of Titanium Based Metal Matrix Composites Reinforced with TiC or TiB Particles under Quasi-Static and High Strain-Rate Compression
title_full	Mechanical Behavior of Titanium Based Metal Matrix Composites Reinforced with TiC or TiB Particles under Quasi-Static and High Strain-Rate Compression
title_fullStr	Mechanical Behavior of Titanium Based Metal Matrix Composites Reinforced with TiC or TiB Particles under Quasi-Static and High Strain-Rate Compression
title_full_unstemmed	Mechanical Behavior of Titanium Based Metal Matrix Composites Reinforced with TiC or TiB Particles under Quasi-Static and High Strain-Rate Compression
title_sort	mechanical behavior of titanium based metal matrix composites reinforced with tic or tib particles under quasi-static and high strain-rate compression
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/fb0878ffb98843d6bbd2d434144fcef2
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Mechanical Behavior of Titanium Based Metal Matrix Composites Reinforced with TiC or TiB Particles under Quasi-Static and High Strain-Rate Compression

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