scholarly journals Manufacturing Fe–TiC Composite Powder via Inert Gas Atomization by Forming Reinforcement Phase In Situ

2020 ◽  
pp. 2000717
Author(s):  
Anton Perminov ◽  
Gert Bartzsch ◽  
Armin Franke ◽  
Horst Biermann ◽  
Olena Volkova
Keyword(s):  
Composite Powder ◽  
Inert Gas ◽  
Gas Atomization

In situ synthesis of NiAl–NbB2 composite powder through combustion synthesis

2013 ◽  
Vol 549 ◽  
pp. 141-146 ◽  
Author(s):  
Ali Akbar Shokati ◽  
Nader Parvin ◽  
Naser Sabzianpour ◽  
Mohammad Shokati ◽  
Ali Hemmati
Keyword(s):  
Combustion Synthesis ◽  
Composite Powder ◽  
In Situ Synthesis

scholarly journals Annealing-induced property improvements in 2-14-1 powders produced by inert gas atomization

1996 ◽  
Author(s):  
L.H. Lewis ◽  
C.H. Sellers ◽  
V. Panchanathan
Keyword(s):  
Inert Gas ◽  
Gas Atomization

Influence of Process Parameters on Microstructure of Reaction Plasma Cladding TiC-Fe-Cr Coating

2021 ◽  
Vol 1027 ◽  
pp. 170-176
Author(s):  
Li Mei Wang ◽  
Jun Bo Liu ◽  
Jun Hai Liu
Keyword(s):  
Process Parameters ◽  
Composite Powder ◽  
Early Stage ◽  
Influence Of Process Parameters ◽  
Synthetic Process ◽  
Plasma Cladding ◽  
Cr Coating ◽  
Composition Process ◽  
Cladding Layers

In order to improve the quality and properties of the coating, a certain amount of Ti was added to the plasma cladding Fe-Cr-C coating in the early stage. And Fe-Cr-C-Ti composite powder was prepared by precursor carbonization-composition process. In situ synthesized TiC-Fe-Cr coatings were fabricated on substrate of Q235 steel by plasma cladding process with Fe-Cr-C-Ti composite powder. Microstructure of the coating with different process parameters, including cladding current, cladding speed, number of overlapping cladding layers, were analyzed by scanning electron microscope (SEM). The results show that the structure of the TiC-Fe-Cr coating is greatly affected by the fusion current, the cladding speed and the overlapping cladding process. In this test, when the cladding current of 300A and the cladding process parameter of the cladding speed of 50 mm/min are clad with three layers, a well-formed and well-structured TiC-Fe-Cr coating can be obtained. Which are the best synthetic process parameters in this test.

Al/Ti5Si3-Al3Ti composite prepared via in-situ surface coating of Ti using tungsten inert gas welding

2019 ◽  
Vol 808 ◽  
pp. 151739 ◽  
Author(s):  
Sajad Arjmand ◽  
Gholam Reza Khayati ◽  
Gholam Hossein Akbari
Keyword(s):  
Surface Coating ◽  
Inert Gas ◽  
Tungsten Inert Gas Welding

scholarly journals Forming pressure effect on microstructure and mechanical properties of nanocrystalline aluminum synthesized by inert gas condensation

2019 ◽  
Vol 79 ◽  
pp. 02002
Author(s):  
Shangshu Wu ◽  
Zhou Yu ◽  
Junjie Wang ◽  
Hanxin Zhang ◽  
Chaoqun Pei ◽  
...  
Keyword(s):  
Room Temperature ◽  
High Vacuum ◽  
Inert Gas ◽  
Helium Atmosphere ◽  
Gas Condensation ◽  
Inert Gas Condensation ◽  
In Situ Forming ◽  
Nanocrystalline Aluminum ◽  
Al Powder

The preparation of nanocrystalline aluminum (NC Al) was conducted in two steps. After the NC Al powder was synthesized by an Inert gas condensation (IGC) method in a helium atmosphere of 500 Pa, the NC Al powder was in-situ compacted into a pellet with a 10 mm diameter and 250 μm-300 μm thickness in a high vacuum (10-6 Pa-10-7 Pa) at room temperature. The NC Al samples were not exposed to air during the entire process. After the pressure reached 6 GPa, the relative density could reach 99.83%. The results showed that the grain size decreased with the increased of in-situ forming pressure. The NC Al samples present obvious ductile fracture, and the tensile properties were greatly changed with the increase of forming pressure.

Self-Propagating High-Temperature Synthesis of Si-SiC Composite Powder

2016 ◽  
Vol 675-676 ◽  
pp. 623-626 ◽  
Author(s):  
Tawat Chanadee ◽  
Sutham Niyomwas
Keyword(s):  
High Temperature ◽  
Composite Powder ◽  
Rice Husk Ash ◽  
Argon Atmosphere ◽  
Composite Powders ◽  
Temperature Synthesis ◽  
X Ray ◽  
High Temperature Synthesis ◽  
Silicon Silicon

Silicon-silicon carbide (Si-SiC) composite powders were synthesized by in-situ self- propagating high-temperature synthesis using rice husk ash (RHA)/carbon/Mg as precursors in argon atmosphere. The as-SHS powders were leached by two leaching steps. The microstructure and chemical composition of the obtained Si-SiC composite powders were examined using scanning electron microscope (SEM) and x-ray diffractometer (XRD), respectively.

Effect of VC Addition on Microstructure and Mechanical Properties of Ultrafine Grained WC-Co Alloys

2014 ◽  
Vol 893 ◽  
pp. 444-448 ◽  
Author(s):  
Xue Mei Liu ◽  
Xiao Yan Song ◽  
Hai Bin Wang ◽  
Yang Gao ◽  
Yao Wang
Keyword(s):  
Mechanical Properties ◽  
Composite Powder ◽  
Cemented Carbides ◽  
Comprehensive Properties ◽  
Microstructure And Mechanical Properties ◽  
Plasma Sintering ◽  
Ultrafine Grained ◽  
Spark Plasma ◽  
Co Alloys

This study was focused on the effect of VC addition on the microstructure and mechanical properties of the prepared ultrafine grained cemented carbides. VC was added to the rawoxide materials which were synthesized to the WC-Co composite powder by the in-situ reduction and carbonization process. The ultrafine grained WC-Co alloys were fabricated by the spark plasma sintering technique using the prepared WC-Co composite powder. The phase constitution, microstructure characteristics and mechanical properties of the sintered ultrafine grained cemented carbides were analyzed quantitatively. The study proposed that VC plays a significant role in decreaseing the grain size of the prepared WC-Co alloy. The ultrafine grained WC-Co alloy with high comprehensive properties can be obtained as an appropriate addition of VC in the developed process.

Effect of heat-treatment of in-situ synthesized composite powder on properties of sintered cemented carbides

2013 ◽  
Vol 566 ◽  
pp. 96-101 ◽  
Author(s):  
C.B. Wei ◽  
X.Y. Song ◽  
J. Fu ◽  
X.M. Liu ◽  
Y. Gao ◽  
...  
Keyword(s):  
Heat Treatment ◽  
Composite Powder ◽  
Cemented Carbides
Sign in / Sign up

Export Citation Format

Share Document