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Additive Manufacturing — Additive …

Additive by Plan it – Print it – Perfect it With the widest material program for additive manufacturing (AM) and leading capabilities across the entire AM-value chain – from metal powder to finished component – we can accelerate industrialization of additive manufacturing and take it to the next level together with you.

Description for 3313: Electrometallurgical Products, …

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EFFECT OF NANO SiC ADDITIVE ON MC-SiC COMPOSITE …

EFFECT OF NANO SiC ADDITIVE ON MC-SiC COMPOSITE FABRIION VIA MOLTEN SILICON INFILTRATION S. Safi1, R. Yazdani Rad1, A. Kazemzade1, Y. Safaei Naeini2,* and F. Khorasanizadeh3 * [email protected] Received: January 2012

Additive Manufacturing UCL231116

(Powder-based) additive manufacturing of MMCs • Laser Cladding • Not so well suited for the production of MMCs with complex shapes • Pre-mixing of the reinforcement particles and metallic powder is possible but not compulsory • Allows the production of OZ

Laser absorption behavior of randomly packed powder …

In this paper, a randomly packed powder-bed model by sequential addition method was established mathematically and physically to simulate the condition of the interaction between the laser beam and powder particles. The ray-tracing calculation was used to analyze laser absorptivity and irradiance distribution occurring on powder particle surface as well as the influence of reinforcements on

Liquid phase sintered SiC. Processing and transformation …

Liquid Phase Sintered SiC. Processing and Transformation Controlled Microstructure Tailoring V.A. Izhevskyi*, L.A. Genova, A.H.A. Bressiani, J.C. Bressiani Instituto de Pesquisas Energéticas e Nucleares (IPEN), Cidade Universitária, 05508-900 São Paulo - SP

Thermal Conductivity and High-Frequency Dielectric …

SiC-AlN ceramics sintered with 50 wt. % SiC at 2173 K exhibited the best thermal diffusivity and thermal conductivity (26.21 mm 2 ·s −1 and 61.02 W·m −1 ·K −1, respectively). The dielectric constant and dielectric loss of the sample sintered with 50 wt. % SiC and 2123 K …

The crack healing behavior of ZrO 2 /SiC composite …

The ZrO2/SiC composite ceramics were prepared by the mixture of 90 wt.% ZrO2 , and 10 wt.% SiC powder with TiO2 as an additive powder. To investigate the effects of crack-healing properties depending on the TiO2, the TiO2 was respectively added 1, 3 and 5 wt.%.

Microstructural studies of core/rim structure of …

TY - JOUR T1 - Microstructural studies of core/rim structure of polycarbosilane-derived SiC consolidated by spark plasma sintering AU - Lee, Ji Hwoan AU - Lee, Yoonjoo AU - Han, Young Hwan AU - Shin, Dong Guen AU - Kim, Sukyoung AU - Jang

Effect of Sintering Additive Composition on the …

Effect of Sintering Additive Composition on the Mechanical and Tribological Properties of Si 3 N 4 /SiC Ceramics Hai-Long HU 1, 2, Yu-Ping ZENG 1, Kai-Hui ZUO 1, Yong-Feng XIA 1, Dong-Xu YAO 1 1. State Key Lab of High Performance Ceramics and

1. Introduction

Molding SiC powder has been investigated using the powder-based 3D-printing (P-3DP) and the slurry-based 3D-printing (S-3DP) techniques [5] [6] . For example, it was reported that the reaction-sintering SiC ceramics was fabried by molding a compound containing SiC powder using the P-3DP technique, and subsequently infiltrating the molded body with molten Si [ 7 ] .

MATERIALS IN METAL ADDITIVE MANUFACTURING (M …

10/10/2018· Fig. 14: Innovative Metal Matrix Composite AlSiMg powder for additive manufacturing , reinforced with micronsized SiC or nanosized MgAl2O4. (Courtesy of IIT Istituto Italiano di Tecnologia Politecnico di Torino - DISAT).

One Component Metal Oxide Sintering Additive for β …

Met. Mater. Int., Vol. 18, No. 1 (2012), pp. 63~68 doi: 10.1007/s12540-012-0008-z Published 27 February 2012 One Component Metal Oxide Sintering Additive for β-SiC Based on Thermodynamic Calculation and Experimental Observations Alfian Noviyanto and Dang

CHARACTERIZATION OF Sic POWDERS AND THE INFLUENCE OF POWDER …

1308 INORGANiC CHEMISTRY DIVISION 1 2,0 s. 2.4. Generally, pressureless sintering requires the finest Sic-powders which are in the submicron range. Examination of powders with different particle size distribution, and hence specific surface area, shows that

Sebastian Meyers – Additive Manufacturing Research …

This powder mixture was subsequently laser sintered, where the Si melts and re-solidifies to bind the primary SiC particles. Afterwards, these SiSiC preforms were impregnated with a phenolic resin. This phenolic resin was pyrolysed yielding porous carbon, which was transformed into secondary reaction formed SiC when the preforms were infiltrated with molten silicon in the final step.

ADDITIVE MANUFACTURING

microstructure, the ceramic powder contains a liquid phase-forming component (e.g., Al 2 O 3 /SiO 2). In addition, laser sintering, like all other additive methods, can only be used for shaping of the ceramic green body. In this way, for instance, complex SiC

Effect of processing parameters on the microstructure and …

The objective of the present research study is to enable the additive manufacture of SiC components using a new powder bed, sodium hydroxide (NaOH) binder-jetting process. The innovation is the secondary crystal growth (SiO

Cold Sprayed Additive Manufacturing of SiC/Al Metal …

In this study, cold spray technique was used as a solid-state additive manufacturing route to deposit a 5 mm thick SiC /Al metal matrix composite. Microstructure and tensile properties were analyzed via different heat treatment conditions (200 oC, 300 oC, 400 oC

Pressureless Sintering of ZrB2–SiC Ceramics__

(3) SiC Particle Size Effect The SiC grains in the sintered ZrB2–SiC ceramics shown in Figs. 2 and 3 had predominantly a whisker-like morphology. These materials were prepared from the ?nest UF-25 SiC powder, which had a starting particle size of 0.45 mm.

Consolidation of SiC Powder Coated with SiO2 …

The SiC/SiO2 composite were consolidated by spark plasma sintering (SPS) at 1923 K using the SiO2 coated SiC powder. The relative density and hardness of the SiC/SiO2 composites increased with increasing SiO2 content, and were 97% and 17 GPa, respectively, at SiO2 content of 22 mass%.

CRACK-HEALING BEHAVIOR AND BENDING STRENGTH …

Silicon carbide (SiC) exhibits good strength at high temperatures and resistance to radioactivity.However, it has poor fracture toughness. The ability to heal cracks represents a very desirable means of overcoming this weakness. This study focuses on the crack

Ultra-Rapid Crystal Growth of Textured SiC Using Flash Spark …

present investigation to consolidate the pure SiC samples. Unlike in our previous work, here we used pure SiC powder without sintering additives. Also, we again processed samples containing a sintering additive (10% B 4 C), but for a much longer discharge6).

Binder Jetting Additive Manufacturing of Ceramic Materials

Additive Manufacturing of High-Performance Ceramics – ACerS Short Course 1. Introduction to Binder Jetting AM 6 Powder & Recoating Standard dispenser for free-flowing, large diameter powders (d50 >25 micron) Modified dispenser and leveling systems for poor

Characterization of Liquid Phase Sintered SiC Ceramics …

A commercial SiC powder with an average size of about 0.3 μm was used as a starting powder. LPS-SiC ceramics with additive composition ratios of 1.5 and 2.3 (Al2O3/Y2O3) represented an excellent density of about 3.2 Mg/m3.

Effect of additive composition on porosity and flexural …

The effect of additive incorporation in porous self-bonded SiC (SBSC) ceramics fabried from a mixture of coarse SiC powder (∼65 µm), Si and C is investigated here. Generally, it was found that the additive reduced the porosity and increased the flexural strength of the SBSC ceramic material.

Metals in Additive Manufacturing & 3D Printing | GE …

That’s why GE Additive offers courses and consulting to help you along your journey. View course alog Additive 101 Find everything you should know about additive manufacturing and the technologies used to build 3D objects using layers of material.