High pressure pulsed electric current activated equipment (HP-SPS) for material processing

被引：28

作者：

Balima, Felix ^{[1
]}

Bellin, Federico ^{[2
]}

Michau, Dominique ^{[1
]}

Viraphong, Oudomsack ^{[1
]}

Poulon-Quintin, Angeline ^{[1
]}

Chung, U-Chan ^{[1
]}

Dourfaye, Alfazazi ^{[2
]}

Largeteau, Alain ^{[1
]}

机构：

[1] Univ Bordeaux, CNRS, ICMCB, UPR 9048, F-33600 Pessac, France

[2] Varel Europe, Pau, France

来源：

MATERIALS & DESIGN | 2018年 / 139卷

关键词：

High pressure; High temperature; Pulsed electric current; High-pressure spark plasma sintering (HP SPS); shear cutter for drilling bits and alumina; TEMPERATURE DISTRIBUTION; MECHANICAL-PROPERTIES; PLASMA; ALUMINA; DENSIFICATION; GAMMA-AL2O3; TECHNOLOGY; COMPOSITES; BEHAVIOR; POWDER;

D O I：

10.1016/j.matdes.2017.11.040

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An innovative new systemunder high pressure syntheses activated by pulsed electric current (HP-SPS) was designed and built in-house with belt type apparatus (HP-SPS-Belt). This new HP-SPS-Belt with large volume chamber is capable of reaching high pressures up to 6 GPa and temperatures until 1800 degrees C. This system was pressure and temperature calibrated by using different metal calibrants. To demonstrate the efficiency of this new equipment in the presentwork, we have successfully shown the structural. to a phase transformation in alumina under less severe conditions than in conventional high pressure and temperature processes. Further, we have also used this new HP-SPS-Belt to fabricate shear cutter for drilling bits in an economical way of fabrication. This study shows thewide interest of our unique designed equipment for various applications inmaterials processing to better control their microstructure and their properties. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：541 / 548

页数：8

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