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42 Results Found

  • Article
  • Open Access
20 Citations
2,724 Views
10 Pages

29 March 2022

Method of soft metal (Cu) strengthening of Ti3SiC2 was conducted to increase the hardness and improve the wear resistance of Ti3SiC2. Ti3SiC2/Cu composites containing 15 vol.% Cu were fabricated by Spark Plasma Sintering (SPS) in a vacuum. The effect...

  • Article
  • Open Access
1 Citations
1,596 Views
11 Pages

Ti3SiC2/Cu composites were prepared using spark plasma sintering technology, and the effect of the velocity–load bivariate on the tribological behaviors of the Ti3SiC2/Cu-45# steel tribo-pair at 800 °C was investigated. The physical change...

  • Article
  • Open Access
1 Citations
1,281 Views
12 Pages

14 August 2024

The electrochemical corrosion behaviors of Ti3SiC2/Cu composites in harsh media including dilute HNO3 and concentrated H2SO4 were studied in detail and the related corrosion mechanisms were explored. Under open-circuit potential, the corrosion resist...

  • Article
  • Open Access
10 Citations
2,241 Views
16 Pages

Preparation and Characterization of In Situ (TiC-TiB2)/Al-Cu-Mg-Si Composites with High Strength and Wear Resistance

  • Yu-Yang Gao,
  • Ying Liu,
  • Yuan-Lin Li,
  • Ang Zhang,
  • Hang Teng,
  • Zhi-Hua Dong,
  • Tian Li and
  • Bin Jiang

8 December 2022

This study involved the preparation and characterization of in situ (TiC-TiB2)/Al-4.7Cu-0.32Mg-0.44Si composites with excellent mechanical and abrasive wear properties. The composites were synthesized in an Al-Ti-B4C system by combining combustion re...

  • Article
  • Open Access
2 Citations
931 Views
12 Pages

28 April 2025

In the present study, composites Cu–Ti3SiC2 were obtained via extrusion-based additive manufacturing technology. The composite was characterized in terms of its structure, mechanical properties, and tribological properties. The use of a low-ene...

  • Article
  • Open Access
8 Citations
2,397 Views
17 Pages

31 March 2023

As a high-temperature structural material, Ni3Al matrix composites are often used to manufacture basic mechanical components that need to be used in high-temperature conditions. To meet the increasing demand for metal matrix composites with an excell...

  • Article
  • Open Access
20 Citations
4,268 Views
22 Pages

25 October 2021

The aim of this research was to characterize soldering alloys of the type Sn–Sb–Ti and to study the ultrasonic soldering of SiC ceramics with a metal–ceramic composite of the type Cu–SiC. The Sn5Sb3Ti solder exerts a thermal transformation of a perit...

  • Article
  • Open Access
2,839 Views
15 Pages

9 April 2023

In this work, SiC ceramics were successfully brazed at 900 °C using a composite brazing filler, and the effects of holding time and LiAlSiO4 addition on the interfacial microstructure and mechanical properties of the joints were systematically in...

  • Article
  • Open Access
3 Citations
2,186 Views
13 Pages

The Microstructures of TiC–Ti5Si3-Reinforced Cu Matrix Composites Prepared by Ti–SiC Reaction

  • Chaoxian Zhang,
  • Xiao Zhang,
  • Wenzhi Miao,
  • Jiangmin Wu,
  • Fugong Qi,
  • Jiyu Zhou and
  • Haimin Ding

17 March 2023

In this work, the TiC and Ti5Si3-reinforced Cu matrix composites with different contents were successfully prepared through Ti–SiC reaction in Cu melts; accordingly, the microstructures of them were studied, and the hardness of the composites w...

  • Article
  • Open Access
1 Citations
1,644 Views
13 Pages

3 October 2024

The Ti3SiC2TiSix ceramic composite was synthesized in situ from a mixture of 3Ti:1.5Si:1.2C powders under pressures ranging from 2 to 5 GPa and temperatures of 1150 °C to 1400 °C. At medium and high temperatures (4–5 GPa and 1400 °C...

  • Article
  • Open Access
10 Citations
4,336 Views
14 Pages

21 December 2016

Cu/Ti3SiC2/C/BN/GNPs nanocomposites were prepared by vacuum hot-pressing (HP) sintering and hot isostatic pressing (HIP) sintering methods. Microstructures, mechanical and tribological properties of Cu/Ti3SiC2/C/BN/GNPs nanocomposites were investigat...

  • Article
  • Open Access
10 Citations
2,776 Views
11 Pages

Hard Wear-Resistant Ti-Si-C Coatings for Cu-Cr Electrical Contacts

  • Ph. Kiryukhantsev-Korneev,
  • A. Sytchenko,
  • D. Moskovskikh,
  • K. Kuskov,
  • L. Volkova,
  • M. Poliakov,
  • Y. Pogozhev,
  • S. Yudin,
  • E. Yakushko and
  • A. Nepapushev

19 January 2023

In this study, hard wear-resistant Ti-Si-C coatings were deposited on Cu-Cr materials to improve their performance as sliding electrical contact materials. A ceramic disk composed of Ti3SiC2 and TiC phases was used as a target for DC magnetron sputte...

  • Article
  • Open Access
12 Citations
3,103 Views
11 Pages

On the Hardness and Elastic Modulus of Phases in SiC-Reinforced Al Composite: Role of La and Ce Addition

  • Andong Du,
  • Lucia Lattanzi,
  • Anders Wollmar Eric Jarfors,
  • Jinchuan Zheng,
  • Kaikun Wang and
  • Gegang Yu

21 October 2021

The use of silicon carbide particles (SiCp) as reinforcement in aluminium (Al)-based composites (Al/SiCp) can offer high hardness and high stiffness. The rare-earth elements like lanthanum (La) and cerium (Ce) and transition metals like nickel (Ni) a...

  • Feature Paper
  • Article
  • Open Access
857 Views
17 Pages

3 November 2025

Enhancing the oxidation resistance of copper nanoparticles (CuNPs) is a crucial objective in plasmonic photocatalytic reactions. In this study, a series of Cu/X catalysts was synthesized using semiconductor nanomaterials (X = TiO2, ZnO, BN, TiN, SiC,...

  • Article
  • Open Access
10 Citations
3,098 Views
12 Pages

Microstructure and Mechanical Properties of GH4169 Superalloy and Si3N4 Ceramic Joints Brazed with AgCuTi/Cu foam/AgCuTi Composited Filler

  • Xiaohong Yang,
  • Yang Xue,
  • Shenggang Wang,
  • Jianya Ge,
  • Yuan Chen,
  • Zhengzhong Zhang,
  • Jinhua Tang and
  • Junjian Xiao

7 October 2022

GH4169 superalloy and Si3N4 ceramics were vacuum-brazed with AgCuTi+Cu foam composite filler. The effect of brazing temperature on the microstructure and mechanical properties of the GH4169/Si3N4 joint was studied. The results show that the interface...

  • Proceeding Paper
  • Open Access
18 Citations
4,479 Views
12 Pages

The Effect of Metal Filler on the Mechanical Performance of Epoxy Resin Composites

  • Bhavith K,
  • Prashanth Pai M,
  • Sudheer M,
  • Ramachandra C G,
  • Maruthi Prashanth B H and
  • Kiran Kumar B

18 January 2024

It is a common practice in the plastics industry to compound polymers with fillers to reduce the manufacturing cost and/or attain desired properties. By combining different fillers with various polymer matrices, polymer composites can be tailored to...

  • Article
  • Open Access
1 Citations
2,707 Views
16 Pages

15 June 2023

The paper demonstrates the potential of wet ball milling of metals for the synthesis of various carbides and carbohydrides. The work reports on multicomponent carbides formed in Ti-(Cu/Fe/Si)-C, W-Fe-C, and Nb-(Cu/Fe/Si/Al)-C systems, as well as meta...

  • Article
  • Open Access
4 Citations
3,244 Views
11 Pages

Microstructure and Properties of TiB2 Composites Produced by Spark Plasma Sintering with the Addition of Ti5Si3

  • Agnieszka Twardowska,
  • Marcin Podsiadło,
  • Iwona Sulima,
  • Krzysztof Bryła and
  • Paweł Hyjek

8 July 2021

Titanium diboride (TiB2) is a hard, refractory material, attractive for a number of applications, including wear-resistant machine parts and tools, but it is difficult to densify. The spark plasma sintering (SPS) method allows producing TiB2-based co...

  • Article
  • Open Access
9 Citations
3,255 Views
16 Pages

2 July 2020

The vacuum brazing of dissimilar electronic packaging materials has been investigated. In this research, this applies silicon particle-reinforced aluminum matrix composites (Sip/Al MMCs) to Kovar alloys. Active melt-spun ribbons were employed as braz...

  • Article
  • Open Access
1,801 Views
13 Pages

28 November 2024

Integrating nanocrystalline diamond (NCD) films on silicon chips has great practical significance and many potential applications, including high-power electronic devices, microelectromechanical systems, optoelectronic devices, and biosensors. In thi...

  • Article
  • Open Access
18 Citations
4,082 Views
23 Pages

15 January 2018

To prepare core-shell-structured Ti@compound particle (Ti@compoundp) reinforced Al matrix composite via powder thixoforming, the effects of alloying elements, such as Si, Cu, Mg, and Zn, on the reaction between Ti powders and Al melt, and the microst...

  • Article
  • Open Access
3 Citations
1,729 Views
20 Pages

TiC bonded diamond composites were prepared from a mixture of Ti, graphite, and diamond powders as raw materials, with Si as sintering additives, through high-temperature and high-pressure (HTHP) technology. The reaction between Ti and graphite under...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,114 Views
18 Pages

Actuating Bimorph Microstructures with Magnetron-Sputtered Ti-Ni-Cu Shape Memory Alloy Films

  • Vlad Bolocan,
  • Dragos Valsan,
  • Aurel Ercuta and
  • Corneliu-Marius Craciunescu

26 November 2022

The generation of microactuation using narrow thermal hysteresis Ti-Ni-Cu shape-memory alloy films deposited on non-metallic substrates as the active element is studied based on a model previously developed for Ni-Ti/Si bimorphs. To this end, the com...

  • Article
  • Open Access
11 Citations
3,194 Views
8 Pages

The Microalloying Effect of Ce on the Mechanical Properties of Medium Entropy Bulk Metallic Glass Composites

  • Yanchun Zhao,
  • Pengbiao Zhao,
  • Wensheng Li,
  • Shengzhong Kou,
  • Jianlong Jiang,
  • Xuejing Mao and
  • Zhuang Yang

15 September 2019

Novel ultra-strong medium entropy bulk metallic glasses composites (BMGCs) Fe65.4−xCexMn14.3Si9.4Cr10C0.9 and Ti40−xCexNi40Cu20 (x = 0, 1.0), through the martensite transformation induced plasticity (TRIP effect) to enhance both the ducti...

  • Article
  • Open Access
2,701 Views
15 Pages

Schottky Barrier Formation Mechanism and Thermal Stability in Au-Free Cu/Metal–Silicide Contacts to GaN-Cap/AlGaN/AlN-Spacer/GaN-on-Si Heterostructure

  • Marek Wzorek,
  • Marek Ekielski,
  • Krzysztof Piskorski,
  • Jarosław Tarenko,
  • Michał A. Borysiewicz,
  • Ernest Brzozowski and
  • Andrzej Taube

29 August 2024

In this study, metal–silicide-based contacts to GaN-cap/AlGaN/AlN-spacer/GaN-on-Si heterostructure were investigated. Planar Schottky diodes with Cu-covered anodes comprising silicide layers of various metal–silicon (M–Si) compositi...

  • Article
  • Open Access
9 Citations
2,145 Views
19 Pages

24 January 2023

Ti containing Cu-based (TC) alloy reinforced glass-ceramic bond was fabricated for cubic boron nitride (CBN) abrasive tool materials, and its crystal composition, phase transformation, sintering activation energy, microstructure, element diffusion ma...

  • Article
  • Open Access
421 Views
20 Pages

Investigation of the Structural, Mechanical and Operational Properties of an Alloy AlSi18Cu3CrMn

  • Desislava Dimova,
  • Boyan Dochev,
  • Karel Trojan,
  • Kalina Kamarska,
  • Yavor Sofronov,
  • Mihail Zagorski,
  • Veselin Tsonev and
  • Antonio Nikolov

2 December 2025

A non-standardized hypereutectic aluminum–silicon alloy, AlSi18Cu3CrMn, was developed. To refine the structure of the studied composition, a phosphorus modifier was used in an amount of 0.04 wt %, and a complex modifying treatment was applied b...

  • Article
  • Open Access
6 Citations
2,556 Views
11 Pages

1 February 2023

The goal of this research was to determine how the master alloys Al-5Ti-0.25C-0.25B and Al-5Ti-1B affected the mechanical properties and structural characteristics of the alloy Al-9.5Si-1.5Cu-0.8Mn-0.6Mg. Field emission scanning electron microscopy (...

  • Article
  • Open Access
4 Citations
3,036 Views
28 Pages

Copper-Bearing Magnetite and Delafossite in Copper Smelter Slags

  • Hassan Gezzaz,
  • Cristiana L. Ciobanu,
  • Nigel J. Cook,
  • Kathy Ehrig,
  • Ashley Slattery,
  • Benjamin Wade and
  • Jie Yao

27 October 2023

The cooling paths and kinetics in the system Cu-Fe-O are investigated by the empirical micro- and nanoscale analysis of slags from the flash furnace smelter at Olympic Dam, South Australia. We aim to constrain the exsolution mechanism of delafossite...

  • Article
  • Open Access
17 Citations
4,045 Views
13 Pages

Influence of Aluminum and Copper on Mechanical Properties of Biocompatible Ti-Mo Alloys: A Simulation-Based Investigation

  • Omid Ashkani,
  • Mohammad Reza Tavighi,
  • Mojtaba Karamimoghadam,
  • Mahmoud Moradi,
  • Mahdi Bodaghi and
  • Mohammad Rezayat

20 May 2023

The use of titanium and titanium-based alloys in the human body due to their resistance to corrosion, implant ology and dentistry has led to significant progress in promoting new technologies. Regarding their excellent mechanical, physical and biolog...

  • Article
  • Open Access
17 Citations
3,423 Views
18 Pages

Microstructure and Phase Composition of Novel Crossover Al-Zn-Mg-Cu-Zr-Y(Er) Alloys with Equal Zn/Mg/Cu Ratio and Cr Addition

  • Maria V. Glavatskikh,
  • Ruslan Yu. Barkov,
  • Leonid E. Gorlov,
  • Maxim G. Khomutov and
  • Andrey V. Pozdniakov

6 May 2024

The effect of 0.2%Cr addition on the structure, phase composition, and mechanical properties of the novel cast and wrought Al-2.5Zn-2.5Mg-2.5Cu-0.2Zr-Er(Y) alloys were investigated in detail. Chromium is distributed between primary crystals (5.7&ndas...

  • Article
  • Open Access
9 Citations
4,095 Views
20 Pages

Chemiresistors Based on Li-Doped CuO–TiO2 Films

  • Alfio Torrisi,
  • Jiří Vacík,
  • Giovanni Ceccio,
  • Antonino Cannavò,
  • Vasily Lavrentiev,
  • Pavel Horák,
  • Roman Yatskiv,
  • Jan Vaniš,
  • Jan Grym and
  • Martin Vrňata
  • + 4 authors

Chemiresistors based on thin films of the Li-doped CuO–TiO2 heterojunctions were synthesized by a 2-step method: (i) repeated ion beam sputtering of the building elements (on the Si substrates and multisensor platforms); and (ii) thermal annealing in...

  • Article
  • Open Access
10 Citations
7,151 Views
38 Pages

Origin of Talc and Fe-Ti-V Mineralization in the Kletno Deposit (the Śnieżnik Massif, SW Poland)

  • Grzegorz Gil,
  • Piotr Gunia,
  • Jaime D. Barnes,
  • Michał Szymański,
  • Petras Jokubauskas,
  • Anna Kalbarczyk-Gil and
  • Bogusław Bagiński

22 December 2019

The Kletno deposit in the Śnieżnik Massif (Central Sudetes, SW Poland), mined for Fe, U, Ag, Cu, fluorite, and marble through the ages, developed at the contact of marbles and orthogneiss. Here, we present a new Fe-Ti-V-ore (containing up to 14.07 wt...

  • Article
  • Open Access
18 Citations
6,875 Views
14 Pages

Joining of Aluminium Alloy Sheets to Aluminium Alloy Foam Using Metal Glasses

  • Muhammad Kashif Bangash,
  • Graziano Ubertalli,
  • Davide Di Saverio,
  • Monica Ferraris and
  • Niu Jitai

6 August 2018

Aluminium alloy foam is a lightweight material with high energy absorption properties and can potentially replace bulk Al-components. The aim of this work is to develop a brazing technique to join aluminium facing sheets to aluminium alloy foam to ob...

  • Article
  • Open Access
822 Views
17 Pages

Achyrophanite, (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5, a New Mineral with the Novel Structure Type from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia

  • Igor V. Pekov,
  • Natalia V. Zubkova,
  • Natalia N. Koshlyakova,
  • Dmitry I. Belakovskiy,
  • Marina F. Vigasina,
  • Atali A. Agakhanov,
  • Sergey N. Britvin,
  • Anna G. Turchkova,
  • Evgeny G. Sidorov and
  • Dmitry Yu. Pushcharovsky
  • + 1 author

2 July 2025

The new mineral achyrophanite (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5 was found in high-temperature sublimates of the Arsenatnaya fumarole at the Second scoria cone of the Northern Breakthrough of the Great Tolbachik Fissure Eruption, Tolbachik volcano, Kam...

  • Article
  • Open Access
5 Citations
2,976 Views
16 Pages

High-Resolution Microstructure Characterization of Additively Manufactured X5CrNiCuNb17-4 Maraging Steel during Ex and In Situ Thermal Treatment

  • Mihaela Albu,
  • Bernd Panzirsch,
  • Hartmuth Schröttner,
  • Stefan Mitsche,
  • Klaus Reichmann,
  • Maria Cecilia Poletti and
  • Gerald Kothleitner

16 December 2021

Powder and selective laser melting (SLM) additively manufactured parts of X5CrNiCuNb17-4 maraging steel were systematically investigated by electron microscopy to understand the relationship between the properties of the powder grains and the microst...

  • Article
  • Open Access
28 Citations
12,111 Views
65 Pages

27 January 2020

Simultaneous generation of plasma by microwave irradiation of perovskite or the spinel type of silica supported porous catalyst oxides and their reduction by nitrogen in the presence of oxygen is demonstrated. As a result of plasma generation in air,...

  • Article
  • Open Access
513 Views
18 Pages

17 November 2025

In this study, NiCuZn ferrites were prepared via a solid-phase method at a reduced sintering temperature of 925 °C. A composite additive system was developed by incorporating Bi2O3-MgO-Li2CO3-SiO2 (BMLS) glass with varying amounts of either CaTiO...

  • Article
  • Open Access
9 Citations
3,408 Views
20 Pages

25 November 2020

The mineral chemistry of chromite and silicate minerals in the Baixintan magmatic Ni-Cu sulfide deposit in the Northern Tianshan, southern Central Asian Orogenic Belt (CAOB) are reported here. Two types of chromite were identified in mafic-ultramafic...

  • Article
  • Open Access
7 Citations
4,903 Views
31 Pages

Formation of Esseneite and Kushiroite in Tschermakite-Bearing Calc-Silicate Xenoliths Ejected in Alkali Basalt

  • Luca Reato,
  • Monika Huraiová,
  • Patrik Konečný,
  • František Marko and
  • Vratislav Hurai

27 January 2022

Skarnoid calc-silicate xenoliths composed of anorthite, clinopyroxene and Mg-Al spinel occur in alkali basalts of the Pliocene-Pleistocene intra-plate magmatic province in the northern part of the Pannonian Basin. Randomly oriented and elongated pseu...

  • Brief Report
  • Open Access
7 Citations
5,043 Views
10 Pages

21 February 2023

The exposure of plants to weak magnetic fields (MFs) of various intensities and for different times is increasingly adopted to sustainably enhance plant growth in plant-based applications such as modern agriculture, phytoremediation and biogas produc...

  • Article
  • Open Access
25 Citations
6,967 Views
21 Pages

Assessment of Air Quality in School Environments in Hanoi, Vietnam: A Focus on Mass-Size Distribution and Elemental Composition of Indoor-Outdoor Ultrafine/Fine/Coarse Particles

  • Trinh Dinh Tran,
  • Phuong Minh Nguyen,
  • Dung Trung Nghiem,
  • Tuyen Huu Le,
  • Minh Binh Tu,
  • Laurent Y. Alleman,
  • Viet Minh Nguyen,
  • Dong Thanh Pham,
  • Ngoc Minh Ha and
  • Noi Van Nguyen
  • + 2 authors

Indoor and outdoor ultrafine, accumulation mode, and coarse fractions collected at two preschools (S1 and S2) in Hanoi capital, Vietnam were characterized in terms of mass-size distribution and elemental composition to identify major emission sources...