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Study on process and parameter optimization of selective …

DOI: 10.2298/pac2304374l Corpus ID: 267377436; Study on process and parameter optimization of selective laser sintering of SiC composite powder @article{Li2023StudyOP, title={Study on process and parameter optimization of selective laser sintering of SiC composite powder}, author={Jian Li and Xiao Liang and Yanling Guo and Yangwei …

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Recent progress of cold sintering process on functional …

DOI: 10.1007/s10854-023-11460-0 Corpus ID: 265035523; Recent progress of cold sintering process on functional ceramic materials @article{Li2023RecentPO, title={Recent progress of cold sintering process on functional ceramic materials}, author={Yuchen Li and Xuetong Zhao and Sheng Nan Kang and Yongjian Xiao and Chengjun Ren and Jing …

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Research on Temperature Field Change Trend of the Sintering Process …

The sintering process of roller kiln is a critical step in the high-temperature solid-state manufacture process for lithium-ion battery cathode materials, and the temperature distribution in roller kiln has great influence on the performance and consistency of cathode materials. ... Binyan Li**, Weihua Gui ***, Shujian Xu ****, Jiexi …

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Molecular dynamics simulations of solid-state sintering in …

This study employed molecular dynamics simulation to investigate the behavior of Fe35Ni atoms during the melting and sintering processes. The nanoparticle's melting temperature was initially determined, and its melting behavior was subsequently examined. The sintering of two individual particles and a multiparticle system was …

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Synthesis of highly Li-ion conductive garnet-type solid …

The sintering and processing of garnet-type solid ceramic electrolytes (e.g., Li 7 La 3 Zr 2 O 12 (LLZ)) are challenging because the material composition and microstructure at high temperatures must be carefully controlled to obtain the stabilization of highly conductive cubic phase and dense ceramic. Liquid-phase sintering using …

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One-time sintering process to synthesize ZrO

Herein, different amounts of ZrO 2-coated LiMn 2 O 4 materials are successfully prepared by one-time sintering ZrO 2-coated Mn 3 O 4 and Li 2 CO 3.Scanning and transmission electron microscopy results confirm that the ZrO 2 coating layer on the surface of Mn 3 O 4 can still be maintained on the surface of the final LiMn …

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What is Sintering? A Complete Guide to the Process and Uses

1. Raw Material Preparation: The first step is to create or acquire the powdered metal needed for sintering. The powders are often produced through atomization or chemical reduction. 2. Compaction: The powder is placed into a die or mold and compacted using high pressure to create a green part. This compacted part is fragile and requires …

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What is Sintering? Understanding the Process and Its …

Sintering is a manufacturing process that involves the heating of powdered material to a temperature below its melting point, causing the particles to bond together into a solid …

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Study and application of intensified sintering process for …

Request PDF | On Jan 1, 2004, X.-B. Li and others published Study and application of intensified sintering process for alumina production | Find, read and cite all the research you need on ...

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Aqueous Cold Sintering of Li-Based Compounds

Aqueous cold sintering has been reported to give conductivity 3−4 orders of magnitude lower than optimized hot-pressed LLZO,54 whereas DMF is toxic, which adds process complexity for scale-up. In contrast, there are no reports of cold sintering of LCO despite its extensive use within the Li-ion battery technology. In this study, Li 6.25 La 3 ...

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Cold sintering process of Li 1.5 Al 0.5 Ge 1.5 (PO 4 ) 3 solid

Herein, for the first time, a self-standing and ultrathin (70 μm) NASICON-type Li 1.5 Al 0.5 Ge 1.5 (PO 4) 3 (LAGP) electrolyte via a scalable solution process is developed, and X-ray photoelectron spectroscopy reveals that changes in LAGP at the metastable Li-LAGP interface during battery operation is temperature dependent. …

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Influence of cold sintering process on the structure and …

Li-stuffed garnet oxides are one of the most promising solid electrolytes for Li batteries, but their development is impeded by the overly high sintering temperature (above 1000 °C), which causes uncontrollable Li evaporation and poor repeatability of synthesis. The present study evaluates the possibility of addressing this issue using a recently …

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Xiang ZHANG | Doctor of Philosophy | University of Nebraska …

(Hf0.2Zr0.2Ta0.2Nb0.2Ti00.2)C high‐entropy ceramics (HEC) with a submicron grain size of 400 to 600 nm were fabricated by spark plasma sintering using a two‐step sintering process.

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Intro to the Sintering Process: How PM Adds Strength

The Sintering Process Explained (Diagram courtesy Abbott Furnace) The sintering process turns a compacted green part into a finished component. The …

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Towards pressureless sintering of nanocrystalline tungsten

Pressureless two-step sintering is an effective approach to solve the above problems [18], [19], [20].In a typical two-step sintering experiment, the compacted green body is firstly heated up to a higher temperature T 1 without holding to reach a relative density ρ>70-80%, which shrinks the relative size of the pores and pore channels (with …

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Al–Ta dual-substituted Li7La3Zr2O12 ceramic

LLZO solid electrolyte with lithium ion conductivity is prepared by Al/Ta co-doped combined with two-step sintering. The experimental and theoretical results indicate that amorphous Li 2 O reacts with Al 2 O 3 to form a Li–Al–O liquid phase at the grain boundaries, filling the pores generated at the grain boundaries. The two-step sintering further suppresses …

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Low‐Temperature Sintering of Li‐Modified (K, Na)NbO3 …

With the assistance of excess Na 2 O additives, LiNbO 3-doped (K, Na)NbO 3 lead-free piezoceramics were successfully prepared by conventional sintering at a temperature as low as 950°C. Shrinkage curve measurement and micrograph observation elucidate that the nature of the densification behavior at 950°C is liquid phase sintering, …

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Ultrafast high-temperature sintering (UHS) of …

On May 2020, ultrafast high-temperature sintering (UHS) has emerged as an effective preparation method for the reactive consolidation of electrolytes [16].The readily recognized advantages of UHS are the rapid heating rates (e.g. 10 4 –10 5 °C/min) contributing to (a) suppressed grain growth (b) reduced volatilization of light elements …

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Cold sintering process for fabrication of a high volumetric …

A phase analysis was conducted to confirm the phase purity of the LTO composite after the cold sintering process. X-ray diffraction patterns of pure LTO powder, the cold sintered LTO electrode and a reference pattern of LTO are shown in Fig. 2.All the peaks could be assigned to the LTO phase, and the relative intensities were similar …

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The effect of sintering process on lithium ionic conductivity …

2.1. Material synthesis. The nominal chemical formula Li 6.4 Al 0.2 La 3 Zr 2 O 12 compounds were produced by the solid-state method, using stoichiometric amounts of Li 2 CO 3, La 2 O 3 (heated at 900 °C for 10 h), ZrO 2, and Al 2 O 3.An excessive amount of 10 wt% Li 2 CO 3 was mixed to compensate for the lithium evaporation during the …

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What is Sintering? (A Definitive Guide)

Sintering is a heat treatment process where loose material is subjected to high temperature and pressure in order to compact it into a solid piece. This is similar to when ice cubes adhere together in a glass of water due to the temperature difference between the ice and the water, or …

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Co-Sintering of Li1.3Al0.3Ti1.7 (PO4)3 and LiFePO4 in Tape …

In this work, the co-sintering behavior of Li1.3Al0.3Ti1.7(PO4)3 (LATP) as a solid electrolyte with Li-ion conductivity of ≥0.38 mS/cm and LiFePO4 with a C-coating (LFP) as a Li-ion storage ...

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Cold sintering process of Li 1.5 Al 0.5 Ge 1.5 (PO 4 ) 3 solid

Request PDF | Cold sintering process of Li 1.5 Al 0.5 Ge 1.5 (PO 4 ) 3 solid electrolyte | The recently developed technique of cold sintering process (CSP) enables densification of ceramics at low ...

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Sintering, micro-structure and Li+ conductivity of Li7−xLa3Zr2−xNbxO12

Sintering, micro-structure and Li + conductivity of Li 7 ... The sintering process of the Nb-LLZO/MgO composite ceramics has been studied for different Nb doping levels (0.2–0.7 pfu) at sintering conditions of 1250 °C for 1–360 min. The ceramic density, microstructure, and Li-ion conductivity are reported. ...

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Optimization of sintering process on Li1+xAlxTi2-x(PO4)3 …

In this study, a NASICON-structured Li 1.3 Al 0.3 Ti 1.7 (PO 4) 3 (LATP) powder is prepared by hydrothermal methods followed by calcination, cold pressing and post-sintering processes.The white, solid product is characterized thoroughly using powder X-ray diffraction (XRD) and field emission scanning electron microscopy (FE-SEM) …

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Flash sintering of Li-ion conducting ceramic in a few …

Flash sintering of Li-ion conducting ceramic in a few seconds at 850 °C. Author links open overlay panel Thomas Clemenceau a, Niriaina Andriamady a, Punith Kumar M.K. a, ... Influence of cold sintering process on the structure and properties of garnet-type solid electrolytes. Ceramics International, Volume 46, Issue 11, Part B, …

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Rational synthesis of high-performance Ni-rich layered oxide …

The sintering process is governed by the competitive relationship of decomposition and lithiation reactions, which can be regulated through temperature windows. Controlling the melting point of the Li sources, as well as their affinity to cathode precursors, is highly desired to maintain the layered ordering of TM ions throughout the …