A novel route to prepare a Ti 3 SnC 2 /Al 2 O 3 composite

Wang, Shuai; Cheng, Jun; Zhu, Shengyu; Ma, Jun; Qiao, Zhuhui; Yang, Jun; Liu, Weimin

doi:10.1016/j.scriptamat.2017.01.013

Cited by 31 publications

(16 citation statements)

References 26 publications

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“…The temperature of Ti 3 Al(Sn)C 2 solid solution synthesized in this work is relatively lower, and the method is simpler and more efficient than that synthesized by traditional. The previously reported sintering temperature of Ti 3 Al(Sn)C 2 synthesized by substitution reaction is 1150°C, which is much higher than the sintering temperature in this study [25]. This can be attributed to the raw material uses SnCl 2 instead of SnO 2 , the transformation of the reaction process from a solid-solid reaction to a solid-liquid reaction, which further reduces the reaction temperature.…”

Section: Synthesis Of Ti 3 Al(sn)c 2 Powderscontrasting

confidence: 53%

“…The replacement reaction method is a low-temperature synthesis method that has attracted the attention of researchers [21][22][23][24][25][26]. Fashandi et al by replacing Si of Ti 3 SiC 2 with Au, the MAX phase material Ti 3 AuC 2 containing a noble metal element was synthesized at the A site, and achieving excellent ohmic contact with the SiC substrate [21].…”

Section: Introductionmentioning

confidence: 99%

“…Simultaneously, by replacing the Al of Ti 3 AlC 2 with Au, the MAX phase materials Ti 2 Au 2 C and Ti 3 Au 2 C 2 containing double-layer noble metal elements were synthesized at the A site [22]. Li [25]. Obviously, the biggest advantage of the replacement reaction synthesizes MAX phase is the fast and effective synthesis under low temperature, and effectively prevents the generation of the second phase such as M-A alloy.…”

Section: Introductionmentioning

confidence: 99%

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Low-temperature synthesis of Ti3Al(Sn)C2 solid solution using replacement reaction

Yang

Chen

et al. 2020

J Mater Sci: Mater Electron

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The synthesis of Ti 3 Al(Sn)C 2 usually uses elemental powder as the raw material, and the synthesis temperature is up to 1500°C. Low-temperature ceramic sintering is the key to inhibit the formation of competitive phases and reduce the ceramic sintering cost. In this paper, a new method of low-temperature synthesis of Ti 3 Al(Sn)C 2 was proposed, and high-purity Ti 3 Al(Sn)C 2 sample was successfully prepared at low temperature by using the replacement reaction method. Research shows that the temperature of 600°C for 5 h is the optimal process conditions for Ti 3 Al(Sn)C 2 synthesis. Furthermore, the introduction of Sn changed the high-temperature oxidation resistance of Ti 3 AlC 2. Compared to pristine Ti 3 AlC 2 , the oxidation resistance of Ti 3 Al(Sn)C 2 at 900°C increases by 33%. The comparative analysis of the formation energy of replacement Ti sites and Al sites shows that the formation energy of Sn-replaced Al sites is lower. These results have broad reference implications for low-temperature synthesis of other MAX phases.

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Section: Synthesis Of Ti 3 Al(sn)c 2 Powderscontrasting

confidence: 53%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Low-temperature synthesis of Ti3Al(Sn)C2 solid solution using replacement reaction

Yang

Chen

et al. 2020

J Mater Sci: Mater Electron

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“…Its formation is preferred over competing phases (e.g., Au–Ti alloys), and the MAX phase can be obtained at a moderate temperature. Similarly, Yang et al also synthesized Ti 3 SnC 2 by a replacement reaction between the Al atom in Ti 3 AlC 2 and SnO 2 , although Ti 3 SnC 2 can also be synthesized by a hot isostatic pressing (HIP) route . Their work implies the feasibility of synthesizing novel MAX phases through replacement reactions.…”

Section: Introductionmentioning

confidence: 99%

Element Replacement Approach by Reaction with Lewis Acidic Molten Salts to Synthesize Nanolaminated MAX Phases and MXenes

et al. 2019

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Nanolaminated materials are important because of their exceptional properties and wide range of applications. Here, we demonstrate a general approach to synthesize a series of Zn-based MAX phases and Cl-terminated MXenes originating from the replacement reaction between the MAX phase and the late transition metal halides. The approach is a top-down route that enables the late transitional element atom (Zn in the present case) to occupy the A site in the pre-existing MAX phase structure. Using this replacement reaction between Zn element from molten ZnCl2 and Al element in MAX phase precursors (Ti3AlC2, Ti2AlC, Ti2AlN, and V2AlC), novel MAX phases Ti3ZnC2, Ti2ZnC, Ti2ZnN, and V2ZnC were synthesized. When employing excess ZnCl2, Cl terminated MXenes (such as Ti3C2Cl2 and Ti2CCl2) were derived by a subsequent exfoliation of Ti3ZnC2 and Ti2ZnC due to the strong Lewis acidity of molten ZnCl2. These results indicate that A-site element replacement in traditional MAX phases by late transition metal halides opens the door to explore MAX phases that are not thermodynamically stable at high temperature and would be difficult to synthesize through the commonly employed powder metallurgy approach.In addition, this is the first time that exclusively Cl-terminated MXenes were obtained, and the etching effect of Lewis acid in molten salts provides a green and viable route to prepare MXenes through an HF-free chemical approach.

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“…Hence, it is vital to develop techniques to etch the other 80% or so members of the MAX phase family into MXene materials. [115] Synthesis in Lewis acid molten salt as a booming strategy has been developed to prepare MXene materials, [114,116] greatly enriched the variety of MXene.…”

Section: Synthesis By Molten Salt Strippingmentioning

confidence: 99%

Recent Advances in Multidimensional (1D, 2D, and 3D) Composite Sensors Derived from MXene: Synthesis, Structure, Application, and Perspective

et al. 2021

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Moreover, a study from the World Health Organization (WHO) emphasized that death due to heart diseases and diabetes is still an upward trend and expected to be the first and seventh leading causes of death, respectively, by 2030. [16] Therefore, early diagnosis and treatment is urgently on demand. [12,17] A variety of human health-detection devices, intelligent wearable devices, and medical intelligent devices as efficient strategies have been emerging and making a big difference in daily life, [18][19][20][21][22][23] making it higher efficient, more accurate, more timely than traditional detection techniquesIn the meanwhile, sensors, as a vital component in intelligent detection devices quickly bloom to meet the requirement of high sensitivity, wide detection range, and stable response sensing capability. Sensors work through transforming external stimulus including biological, chemical, and physical changes into electrical signals changes. According to their respective work mechanism, sensors can be classified into the following several categories: piezoresistive, [24][25][26] piezoelectric, [27][28][29] frictional, [30] and capacitive. [31][32][33][34] Among them, piezoresistive sensors have attracted extensive concern for its simple structure, low cost, and easy signal acquisition, further being applied to the field of wearable detection devices. [35,36] It works by transforming external stimulus into visual electrical signals, and the change of resistance is generated by microscopic deformations of its own structure. [37][38][39][40] From sensors functional point of view, sensors can also be divided into strain sensors, [39,[41][42][43][44] stress sensors, [45,46] humidity sensors, [47] gas sensors, [41,48,49] temperature sensors, [50] and so on. On the present overall view, the key issue focuses on how to realize ideal sensors compatible with high sensitivity, wide detection range, ultralow response time, ultralow detection limitation, superb linearity, and cyclic stability. [51][52][53][54][55][56][57][58][59][60] What is noteworthy is that conductive materials interacting with other substances have been considered as an extremely efficient strategy to realize high sensing performance, being able to give out fast response reacting to outer tiny changes. Currently, aiming to endow sensors superb sensitivity and wide sensing range, flexible substrates for sensors commonly choose polydimethylsiloxane (PDMS), hydrogenated styrene-butadiene block copolymer (SEBS), and silicone rubber and other high elastic polymer materials. [37,57,61,62] Then, the composite sensor is fabricated successfully by different preparation techniques including With the advent of the era of intelligent manufacturing, sensors, with various detection objects, have set off a wave of enthusiasm and reached new heights in medical treatment, intelligent industry, daily life, and so on. MXene, as an emerging family of 2D transition metal carbides/nitrides, possesses impressive electrical conductivity, outstanding structural controllability, ...

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A novel route to prepare a Ti 3 SnC 2 /Al 2 O 3 composite

Cited by 31 publications

References 26 publications

Low-temperature synthesis of Ti3Al(Sn)C2 solid solution using replacement reaction

Low-temperature synthesis of Ti3Al(Sn)C2 solid solution using replacement reaction

Element Replacement Approach by Reaction with Lewis Acidic Molten Salts to Synthesize Nanolaminated MAX Phases and MXenes

Recent Advances in Multidimensional (1D, 2D, and 3D) Composite Sensors Derived from MXene: Synthesis, Structure, Application, and Perspective

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